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Home Software Developers United States Washington Seattle

Top Software Developers in Seattle

Seattle sits at the crossroads of cloud computing, retail tech, and biotech, thanks to home-grown giants like Amazon and Microsoft and research powerhouses such as the University of Washington’s Allen School. As a result, the city offers a deep bench of software talent. From enterprise-scale engineering partners in South Lake Union to nimble app studios in Fremont. On Clutch, every provider is verified through detailed client reviews and an extensive vetting process that covers project scope, industry expertise, and delivery track record. Use Clutch’s filters for hourly rate, team size, industry focus, and more to quickly shortlist Seattle software development agencies that fit your budget and technical needs.

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Top Software Development Companies

Nearby tech hubs:

Portland Software Developers | San Francisco Software Developers

Industry filter: Seattle Healthcare Software Development Agencies

Ratings Updated: February 21, 2026
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15 Leaders 15 Contenders

173 Companies

Country: United States
State: Washington
City: Seattle

List of the Top Seattle Custom Software Development Companies

  • Featured

    What are Featured Providers?

    TatvaSoft Logotype

    TatvaSoft

    4.9 47 reviews
    Premier Verified
    $25,000+
    < $25 / hr
    1,000 - 9,999
    Serves Seattle, WA

    Services provided

    50% Custom Software Development
    20% Web Development
    10% AI Development +2 services
    10% Cloud Consulting & SI
    10% Mobile App Development

    TatvaSoft is a custom software development company that offers bespoke software creation, full-stack software development, and tailored solutions to meet diverse client needs. Across various reviews, they are praised for their project management, technical expertise, and ability to deliver high-quality, end-to-end software development services on time. Approximately 100% of clients express satisfaction with their professionalism, collaborative approach, and commitment to continuous improvement.

    See all 47 projects

    Reviews mention Openness

    The reviews highlight a strong sentiment of openness in TatvaSoft's communication and project management. Clients appreciated the real-time feedback via Skype, weekly updates, and direct access to the entire team, not just the project manager. One client emphasized, "TatvaSoft delivered excellently in this area," noting their reliability and responsiveness. While the technical execution was commendable, some clients suggested that a deeper understanding of business needs could enhance the solutions provided.
    • Web Application Development for Medical Tourism Business
      5.0 May 27, 2020

      The project manager really knew his stuff and communicated very well throughout, allowing the project to run smoothly and continuously. They managed the project in a transparent, cost-effective manner. I had access to the entire team, not just the project manager. A key thing to me was the constant feedback and open communication. TatvaSoft delivered excellently in this area.

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    Read All Reviews
    2 of 2 reviews are 5 stars
    2 new reviews for Custom Software Development services
    $200,000 – $999,999 avg. project cost

    Reviewed 2 times in the past 6 months

    In the last six months, clients have praised TatvaSoft for their effective project management, technical expertise, and responsiveness. One client highlighted significant automation and UI/UX improvements, while another noted enhanced platform performance and user engagement. Both reviews emphasized the company's structured approach and strong talent pool. Overall, sentiment is highly positive, with clients expressing satisfaction with the outcomes and no major areas for improvement identified.
    Read 2 Recent Reviews
    24 of 30 Custom Software Development reviews are 5 stars
    2 new reviews for Custom Software Development in past 6 months
    $50,000 – $199,999 avg. project cost

    Custom Software Development PROJECT HIGHLIGHT

    Design & Dev Services for Web Design Firm

    5.0 — TatvaSoft provided responsive design, shop development, and plugin development. Read more
    Read 30 Reviews

    Industry Experience

    TatvaSoft has garnered positive feedback across various industries including Automotive, Financial Services, Insurance, and Retail. Clients praised their expertise in automating workflows, developing custom software solutions, and enhancing user experience. The overall sentiment is highly favorable, highlighting strengths in project management, timely delivery, and a collaborative approach. Their capacity to adapt to specific industry needs makes them a viable partner for businesses seeking robust software development across these sectors.

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    Select Industry to see insights

    IT Services Retail Financial services Insurance Consulting Design Energy & natural resources Sports Information technology Other Industry Real estate Healthcare Business services Government Media Gambling Automotive Software
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    Innowise Logotype

    Innowise

    4.9 72 reviews
    Premier Verified
    $10,000+
    $50 - $99 / hr
    1,000 - 9,999
    Serves Seattle, WA

    Services provided

    10% Custom Software Development
    10% AI Development
    10% AR/VR Development +7 services
    10% Blockchain
    10% Cloud Consulting & SI
    10% E-Commerce Development
    10% IT Staff Augmentation
    10% Mobile App Development
    10% Robotics Process Automation
    10% Web Development

    Innowise is a bespoke software development company excelling in end-to-end services across various sectors, including healthcare and finance. The firm boasts a 100% satisfaction rate from reviewers, with significant praise for their project management and tailored solutions. Clients consistently highlight Innowise's responsiveness and technical expertise, with 90% of reviews mentioning their ability to deliver on time and within budget.

    See all 72 projects

    Reviews mention Open to feedback

    Clients have praised Innowise Group for their open-mindedness and effective communication, noting their willingness to understand challenges from the client's perspective. One client highlighted their readiness to assist and adapt to problems, indicating a positive sentiment towards their openness to feedback. Although there were suggestions for improvement regarding readiness with solutions, overall feedback reflects satisfaction with the team's adaptability and responsiveness.
    • MVP Dev for Technology Startup
      5.0 Jun 2, 2022

      Responsive, open to feedback, great attitudes, helpful advice, and quick turnaround time. Most of the ongoing work was communicated and meetings held over Discord - which is what our company uses for our internal communications as well in addition to engaging with our community.

      Read Full Review
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    1 of 1 reviews is 5 stars
    1 new review for Custom Software Development services
    Unknown avg. project cost

    Reviewed 1 time in the past 6 months

    In the past six months, client feedback for Innowise has been overwhelmingly positive. One client highlighted their successful creation of a custom database that streamlined reporting and reduced labor, emphasizing effective project management and timely communication. They noted a significant improvement over prior experiences with another firm, citing Innowise's adherence to budget and deadlines. Overall, clients appreciate Innowise's attention to detail and commitment to delivering quality solutions without any reported areas for improvement.
    Read 1 Recent Review

    Industry Experience

    Innowise Group has demonstrated extensive expertise across various industries, including healthcare, information technology, financial services, and advertising & marketing. Clients praised their technical proficiency, project management skills, and ability to deliver solutions that enhance operational efficiency. Feedback reveals a consistent sentiment of satisfaction, particularly in healthcare and IT services, with notable improvements in workflow and compliance. Businesses in need of software development, data management, or digital transformation in these sectors would benefit significantly from engaging Innowise.

    Read All Reviews

    Select Industry to see insights

    Design Information technology Advertising & marketing Arts, entertainment & music Software Financial services Energy & natural resources Healthcare Construction Gaming Business services IT Services Consulting Other Industry Consumer Products Telecommunications Human Resources Wellness & Fitness Manufacturing Education

    Average Project Cost Breakdown

    $10,000 to $49,000 (24) $50,000 to $199,999 (17) $200,000 to $999,999 (10) Less than $10,000 (1)

    What Clients Have Said

    Clients consistently praised Innowise Group for their competitive pricing and excellent value for money. Feedback highlighted that their services fit various budgets while delivering high-quality results, as noted by multiple clients who emphasized good cost-to-value ratios. For instance, a CEO mentioned that Innowise's pricing fit their budget and provided great value, while another client appreciated the fair pricing during their ongoing engagement. Overall, the sentiment towards Innowise's cost-effectiveness is overwhelmingly positive, suggesting a strong alignment between quality and affordability.
    Read All Reviews
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    Simform Logotype

    Simform

    4.8 82 reviews
    Premier Verified
    $25,000+
    $25 - $49 / hr
    1,000 - 9,999
    Serves Seattle, WA

    Services provided

    10% Custom Software Development
    10% AI Development
    10% CRM Consulting and SI +7 services
    10% Cloud Consulting & SI
    10% E-Commerce Development
    10% ECM Consulting and SI
    10% ERP Consulting and SI
    10% Enterprise App Modernization
    10% Mobile App Development
    10% Unified Communications Consulting & SI

    Simform is a custom software development company specializing in tailored software solutions across various industries, including SaaS, healthcare, and financial services. The company consistently receives positive feedback, with 88% of reviewers praising their technical expertise, project management, and alignment with client values. Simform stands out for its end-to-end software development capabilities and professional team, with only a small percentage highlighting areas for improvement.

    See all 82 projects

    Reviews mention Exceptional performance

    Clients have consistently praised Simform for their exceptional performance across various projects. Notably, one client highlighted their skilled development staff and smooth project transitions, stating, 'Simform has done an exceptional job, exceeding expectations.' Another client emphasized their flexibility and responsiveness, noting, 'Simform has graciously accepted every change.' Overall, the sentiment reflects strong satisfaction with Simform's project management, communication, and high-quality deliverables, making them a preferred partner for ongoing and future projects.
    • Software & Architecture Dev & DevOps for Staff Aug Company
      5.0 Mar 6, 2024

      Deliverables met in a timely fashion. Above average development resources with specific skillsets required to meet the needs of each initiative. Clear and timely communication. Simform always delivers items in a timely fashion - and went above and beyond to meet our needs.

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    • UI/UX Design & Custom Software Development for HR Firm
      5.0 May 10, 2022

      Simform has done an exceptional job, exceeding expectations. This project is a huge step out of our comfort zone, and we’ve been very conservative with the budget, keeping almost everything in-house. They’ve performed phenomenally well in terms of project management. Their timelines have been right on as we’ve moved the goal post adding extra work; they estimate and end up being right on time.

      Read Full Review
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    2 of 4 reviews are 5 stars
    2 new reviews for Custom Software Development services
    $50,000 – $199,999 avg. project cost

    Reviewed 4 times in the past 6 months

    Recent reviews indicate that Simform is highly regarded for its exceptional communication, project management, and technical expertise. Clients praised their proactive approach, timely delivery, and ability to understand complex business needs. For instance, a manager from Eye Recommend highlighted their structured communication and smooth project execution, while the Director of Engineering at Datamark noted the ease of collaboration and trust built with executives. Overall, the sentiment is overwhelmingly positive, with clients recommending Simform for future projects.
    Read 4 Recent Reviews

    Industry Experience

    Simform has received positive feedback across various industries, showcasing their expertise in business services, healthcare, fitness, and real estate, among others. Clients commend their responsiveness, project management, and technical knowledge, with many noting successful outcomes such as improved applications and streamlined processes. The overall sentiment indicates strong satisfaction with their services in these sectors, highlighting Simform's ability to adapt to diverse project requirements and deliver high-quality solutions.

    Read All Reviews

    Select Industry to see insights

    Utilities Financial services eCommerce Real estate Healthcare Logistics & Supply Chain Wellness & Fitness Agriculture Information technology Human Resources Media Other industries Consulting Advertising & marketing IT Services Nonprofit Construction Legal Arts, entertainment & music Gaming Food & Beverages Other Industry Hospitality & leisure Education Consumer Products Fitness Software Business services

    Average Project Cost Breakdown

    $50,000 to $199,999 (20) $10,000 to $49,000 (16) $200,000 to $999,999 (14) Less than $10,000 (2)

    What Clients Have Said

    Clients consistently praise Simform for their cost-effectiveness and overall value, highlighting that their pricing aligns well with the quality of work delivered. For instance, a CEO noted that Simform provided high-quality services at a fraction of the cost compared to hiring in-house developers. Another client appreciated the flexibility and responsiveness of Simform's team, stating that they delivered on time and within budget. However, there are a few concerns regarding communication and project management in specific instances, indicating room for improvement.
    Read All Reviews
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    Vention Logotype

    Vention

    4.9 98 reviews
    Premier Verified
    $50,000+
    $50 - $99 / hr
    1,000 - 9,999
    Serves Seattle, WA

    Services provided

    10% Custom Software Development
    10% AI Agents
    10% AI Development +7 services
    10% BI & Big Data Consulting & SI
    10% Blockchain
    10% Cloud Consulting & SI
    10% DevOps Managed Services
    10% IT Staff Augmentation
    10% Mobile App Development
    10% Web Development

    Vention is a bespoke software development company specializing in custom software creation and full-stack software development. Across their reviews, 100% of clients commend their responsiveness and project management, with 90% highlighting their strong developer talent and the ability to quickly adapt to project needs. They excel in providing end-to-end software development solutions, consistently delivering high-quality, timely outcomes.

    See all 98 projects

    Reviews mention Accommodating

    The feedback from clients highlights iTechArt's accommodating nature, particularly in their flexibility to adapt to client schedules. One client noted that iTechArt engineers work late hours to align with their time zone, facilitating collaboration. The business manager has been praised for consistently providing high-quality candidates, demonstrating attentiveness to client needs. Overall, clients express satisfaction with the team's responsiveness and their ability to integrate smoothly into existing projects, reinforcing a positive sentiment toward iTechArt's accommodating approach.
    • Automation SaaS Product Dev for Logistics SaaS Provider
      5.0 Feb 7, 2024

      The Vention team consistently went above and beyond the call of duty to deliver on time or even ahead of time. Just this week, we mentioned a nice-to-have tool that would make our customer's lives better. One of our engineers produced the tool and deployed it to production in a single day. They are absolute rockstars.

      Read Full Review
    • Dev Staff Augmentation for B2C Moving Concierge Startup
      5.0 Apr 10, 2020

      They were very autonomous. We’re a small team, with not a lot of managerial resources, but they were able to pace themselves. They required very few check-ins to stay on pace. They’ve been able to roll with us as we go and adapt to what we needed as a startup.

      Read Full Review
    Read All Reviews
    0 of 2 reviews are 5 stars
    1 new review for Custom Software Development services
    Unknown avg. project cost

    Reviewed 2 times in the past 6 months

    Recent reviews for Vention highlight strong client satisfaction, particularly regarding the quality of their engineers and responsive account management. One client noted the impressive performance of AI engineers who consistently met sprint goals, while another emphasized timely delivery and effective communication. Both clients found Vention through referrals, indicating a solid reputation in the industry. Overall, feedback suggests that Vention excels in meeting project demands without areas identified for improvement.
    Read 2 Recent Reviews

    View projects from:

    United States (61) England (13) Canada (3) Germany (2) Lithuania (2) Israel (2) Latvia (1) Iceland (1) New Zealand (1) Singapore (1) Spain (1) Sweden (1) France (1) Scotland (1) Cyprus (1)
    2 of 2 Seattle-based reviews are 5 stars
    $200,000 – $999,999 avg. project cost for Custom Software Development services in Seattle

    Custom Software Development project highlight

    IT Staff Aug & Custom Software Dev for AI Co

    5.0 — Vention provided staff augmentation for an AI company. The team developed React front ends for several features, handled QA work, and managed infrastructure. Read more
    Read Similar Reviews
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  • TransAct Communications, LLC Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    50 - 249
    Lynnwood, WA

    Services provided

    45% Custom Software Development
    30% Translation
    15% Mobile App Development +1 service
    10% Low/No Code Development

    Established in 1994, TransAct Communications, LLC is a custom software development company. The agency focuses on Custom Software Development and Translation.

    Read more
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  • Palador Logotype

    Not yet reviewed

    $10,000+
    $100 - $149 / hr
    10 - 49
    Seattle, WA

    Services provided

    20% Custom Software Development
    20% Enterprise App Modernization
    20% UX/UI Design +3 services
    20% Web Development
    10% Application Management & Support
    10% Mobile App Development

    Palador is a small custom software development firm headquartered in Seattle, Washington and Yogyakarta, Indonesia. Their services include Custom Software Development and Enterprise App

    Read more
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  • Featured

    What are Featured Providers?

    Elaniin Logotype

    Elaniin

    4.9 12 reviews
    $50,000+
    $25 - $49 / hr
    50 - 249
    Serves Seattle, WA

    Services provided

    20% Custom Software Development
    20% IT Staff Augmentation
    20% Web Design +3 services
    15% Cybersecurity
    15% Mobile App Development
    10% Cloud Consulting & SI

    Elaniin is a custom software development company praised for its exceptional software engineering capabilities, offering tailored and full-stack software development services. With a consistent commitment to client satisfaction, 100% of reviews highlight their effective communication and collaborative project management. While some suggest improved project timelines, 75% commend their adaptability and expertise in delivering complex solutions.

    See all 12 projects

    Reviews mention Communicative

    Clients consistently express high satisfaction with Elaniin's communication skills. One reviewer noted, "The communication is excellent, so we’ve achieved a great understanding," while another highlighted their respectful dialogue, stating, "They provide helpful comments and feedback, and are very respectful." Additionally, a technical manager emphasized that the developer "does an excellent job communicating with us both in Slack and on calls." Overall, the sentiment regarding communication is overwhelmingly positive, indicating a strong alignment between Elaniin and their clients.
    • IT Services & Software Development for Insurance Firm
      5.0 Dec 17, 2021

      The communication is excellent, so we’ve achieved a great understanding. We use Microsoft Teams, Jira, and other project management tools to communicate.

      Read Full Review
    • Product Development for App Development Company
      5.0 Nov 2, 2021

      They’re great at communication, provide helpful comments and feedback, and are very respectful — there’s nothing I can complain of. In terms of tools, we use emails and constant calls.

      Read Full Review
    • Staff Augmentation for Technology Startup
      5.0 Jul 7, 2021

      The developer is remote and working from home, but does an excellent job communicating with us both in Slack and on calls.

      Read Full Review
    • Engineer Outsourcing for CRM Software Company
      5.0 Jun 4, 2021

      They got all that energy, good communication, and listening skills. The team is always on top of their communications, they show up on time, they always do what they say they’re going to do and expectations are set very well.

      Read Full Review
    Read All Reviews
    2 of 3 reviews are 5 stars
    1 new review for Custom Software Development services
    $50,000 – $199,999 avg. project cost

    Reviewed 3 times in the past 6 months

    Recent reviews of Elaniin highlight a strong overall sentiment, with clients appreciating their responsiveness and effective project management. Notably, the National Registry of Natural Persons praised their end-to-end support in developing an Open Data Portal, which improved data transparency. A financial services CEO commended their comprehensive service and good price-service balance, although they noted a need for clearer timelines. The educational institution emphasized Elaniin's expertise and ongoing support, leading to increased website traffic and improved registration processes.
    Read 3 Recent Reviews

    Industry Experience

    Elaniin has demonstrated strong performance across various industries, including Financial Services, Education, Media, and Others. Clients in Financial Services praised their project management and ability to automate processes, while those in Education noted their effective website design and maintenance. In the Media sector, Elaniin excelled in creating integrated platforms for complex operations. Overall, Elaniin is well-regarded for their technical expertise, responsiveness, and capacity to deliver tailored solutions, making them a strong contender for clients across these sectors.

    Read All Reviews

    Select Industry to see insights

    IT Services Software Media Other industries Education Financial services

    Ciudad de México, Mexico

    Av. P.º de la Reforma 296, Juárez, Cuauhtémoc, 06600 Ciudad de México, CDMX
    Ciudad de México, Mexico 06600

    31 - 40

    +52 55 8533 5784

    See All Locations (2)
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    Coherent Solutions Logotype

    Coherent Solutions

    4.7 30 reviews
    Premier Verified
    $50,000+
    $50 - $99 / hr
    1,000 - 9,999
    Serves Seattle, WA

    Services provided

    25% Custom Software Development
    30% AI Development
    15% Web Development +3 services
    10% AI Consulting
    10% Cloud Consulting & SI
    10% IT Managed Services

    Coherent Solutions is a Custom Software Development company that excels in tailored software development and end-to-end solutions. With an impressive 100% of feedback highlighting their technical expertise, timely delivery, and collaborative approach, they have consistently met or exceeded project expectations across various industries. Their ability to integrate seamlessly with client teams and manage complex projects is frequently praised by clients.

    See all 30 projects
    0 of 1 reviews is 5 stars
    Unknown avg. project cost

    Reviewed 1 time in the past 6 months

    Recent client feedback for Coherent Solutions highlights a strong performance in app development, particularly in revitalizing a struggling product. A director at Cedar Electronics noted significant improvements, elevating app ratings from 1.3 to over 4 stars, alongside a 20% year-over-year growth and enhanced user engagement. Clients commend Coherent Solutions for their effective communication, timely delivery, and adherence to budget, with no suggested areas for improvement, reflecting an overwhelmingly positive sentiment.
    Read 1 Recent Review
    18 of 25 Custom Software Development reviews are 5 stars
    1 new review for Custom Software Development in past 6 months
    $200,000 – $999,999 avg. project cost

    Custom Software Development PROJECT HIGHLIGHT

    Custom Software Development for Software Company

    5.0 — Coherent Solutions has provided an architect for a software company to assist with the technical design of a Cloud-native software solution. They've also provided DevOps consulting support for the Read more
    Read 25 Reviews

    Average Project Cost Breakdown

    $1,000,000 to $9,999,999 (7) $200,000 to $999,999 (6) $50,000 to $199,999 (3) $10,000 to $49,000 (1)

    What Clients Have Said

    Clients consistently express satisfaction with Coherent Solutions' cost-effectiveness and overall value. Feedback highlights their competitive pricing and the high quality of services provided. One client noted, 'Good value for cost,' while another emphasized that their pricing fit their budget. Multiple reviews mention timely delivery and impressive results, indicating that clients feel they receive substantial value relative to their investment. Overall, the sentiment is overwhelmingly positive regarding the company's pricing structure and the quality of work delivered.
    Read All Reviews

    View projects from:

    United States (26) Australia (1) Canada (1) Germany (1) Italy (1)
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    WeSoftYou Logotype

    WeSoftYou

    5.0 30 reviews
    Verified
    $25,000+
    $25 - $49 / hr
    50 - 249
    Serves Seattle, WA

    Services provided

    70% Custom Software Development
    15% AI Consulting
    15% Web Development

    WeSoftYou is a Custom Software Development company specializing in tailored and full-stack software development services. Their reviews highlight a 100% satisfaction rate, with clients praising their dedication, innovative solutions, and efficient project management. Approximately 85% of reviewers commend their ability to deliver user-centric, scalable solutions on time, while 90% emphasize their seamless communication and responsiveness to client needs.

    See all 30 projects

    Reviews mention Dedicated

    The feedback regarding WeSoftYou's dedication is overwhelmingly positive. Clients consistently highlight their responsiveness and commitment to project goals. One client noted, 'What impressed us the most was how dedicated WeSoftYou was to achieving our project goals.' Another remarked on their 'impressive understanding' of project needs and proactive approach. Overall, the sentiment reflects a strong appreciation for their dedication, with no significant areas for improvement identified.
    • AI-Powered Educational Platform Dev for EdTech Company
      5.0 Oct 27, 2024

      Deep understanding of educational technology and their dedication to delivering a platform that truly enhances the learning experience. Their ability to integrate cutting-edge features while maintaining a user-friendly interface was particularly impressive.

      Read Full Review
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    Industry Experience

    WeSoftYou has demonstrated substantial expertise across various industries, particularly in IT Services, Education, Non-Profit, and E-Commerce. Clients praised their efficient project management, adaptability, and strong communication skills. In IT Services, they excelled in developing custom applications that improved operational efficiency and user engagement. Their work in Education highlighted their ability to create innovative learning platforms. In E-Commerce, they were recognized for building secure, user-friendly systems. Overall, WeSoftYou is well-suited for clients seeking tailored digital solutions across these sectors.

    Read All Reviews

    Select Industry to see insights

    Consulting IT Services Non-profit Franchises Software eCommerce Advertising & marketing Education Gaming Other Industry Real estate Information technology Energy & natural resources Financial services

    Average Project Cost Breakdown

    $50,000 to $199,999 (13) $10,000 to $49,000 (6) $200,000 to $999,999 (3) Less than $10,000 (1)

    What Clients Have Said

    Clients consistently commend WeSoftYou for their cost-effectiveness and overall value. Multiple reviews emphasize that their pricing aligns well with project budgets, with one client noting it as a 'good value for cost.' Clients appreciate the high-quality deliverables received relative to their investment, often highlighting that the services exceeded expectations. The company’s transparency and responsiveness during project management further enhance perceived value, making them a preferred choice for many clients seeking reliable development partnerships.
    Read All Reviews

    View projects from:

    United States (18) Ukraine (4) Australia (1) Germany (1) Israel (1) Latvia (1) Netherlands (1) England (1)
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  • Caravel Labs Logotype

    Not yet reviewed

    $5,000+
    Undisclosed
    10 - 49
    Seattle, WA

    Services provided

    40% Custom Software Development
    25% Mobile App Development
    20% UX/UI Design +1 service
    15% Web Development

    Caravel Labs is a software development firm. The Seattle, Washington-based firm specializes in Custom Software Development and Mobile App Development.

    Read more
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  • Fenyx Studio Logotype

    Not yet reviewed

    $5,000+
    Undisclosed
    10 - 49
    Seattle, WA

    Services provided

    10% Custom Software Development
    60% Mobile App Development
    30% Web Development

    Launched in 2017, Fenyx Studio is a mobile app development company. The small team specializes in Mobile App Development and Web Development.

    Read more

    Seattle, WA

    1201 3rd Avenue
    Seattle, WA 98101

    6 - 9

    3102708327

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  • PiorSoft Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Kirkland, WA

    Services provided

    100% Custom Software Development

    Established in 2016, PiorSoft, a small software development company, is located in Kirkland, Washington. Their team offers Custom Software Development.

    Read more
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  • CoreUs Logotype

    Not yet reviewed

    $250,000+
    Undisclosed
    2 - 9
    Renton, WA

    Services provided

    60% Custom Software Development
    20% UX/UI Design
    10% AI Development +1 service
    10% Mobile App Development

    CoreUs is a software development firm. The Renton, Washington-based company provides Custom Software Development and UX/UI Design.

    Read more
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  • Harbinger Group Logotype

    Not yet reviewed

    $1,000+
    $50 - $99 / hr
    250 - 999
    Redmond, WA

    Services provided

    20% Custom Software Development
    25% AI Development
    10% AI Consulting +6 services
    10% Digital Engineering
    10% Generative AI
    10% IT Managed Services
    5% DevOps Managed Services
    5% Product Design
    5% Web Development

    Harbinger Group is an AI company. The Redmond, Washington-based team specializes in Artificial Intelligence and Custom Software Development.

    Read more
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  • Featured

    What are Featured Providers?

    Ancient Logotype

    Ancient

    4.9 38 reviews
    Premier Verified
    $10,000+
    $25 - $49 / hr
    50 - 249
    Serves Seattle, WA

    Services provided

    15% Custom Software Development
    25% IT Staff Augmentation
    10% AI Development +5 services
    10% BI & Big Data Consulting & SI
    10% Blockchain
    10% Cloud Consulting & SI
    10% DevOps Managed Services
    10% Mobile App Development

    Ancient is a bespoke software development firm specializing in end-to-end software development solutions, including tailored software development and managed software development. They receive overwhelmingly positive feedback, with approximately 95% of reviews praising their professionalism, responsiveness, and ability to deliver quality resources and solutions efficiently. Clients consistently highlight their strong cultural fit and value for cost, making them a preferred partner for complex software engineering projects.

    See all 38 projects

    Reviews mention Hard working

    Clients consistently highlight Ancient Technology's dedication and hard work, emphasizing their commitment to timely project delivery and transparent communication. One client noted, "Ancient Technology dedicates a lot of time and effort to ensure that our needs are delivered on time," while another remarked on their responsiveness and willingness to work extra hours to resolve issues. Overall, the sentiment reflects a strong appreciation for their hardworking team, contributing positively to project outcomes.
    • AWS Cloud System & Web App Upgrades for IT Service Provider
      5.0 Nov 12, 2021

      Ancient Technology dedicates a lot of time and effort to ensure that our needs are delivered on time and each project phase is communicated transparently to our team. We can always count on their developers to respond to our questions and work extra hours to resolve any technical issues. Ancient Technology gets things done and communicates agreeably with us.

      Read Full Review
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    3 of 3 reviews are 5 stars
    3 new reviews for Custom Software Development services
    $200,000 – $999,999 avg. project cost

    Reviewed 3 times in the past 6 months

    Recent client feedback for Ancient highlights their exceptional responsiveness and quality of service. Reviews indicate a strong alignment with client values and a commitment to customer satisfaction. Notably, clients praised Ancient for promptly delivering high-quality resources, facilitating smooth project management, and significantly accelerating development timelines. One client remarked on their effective handling of the hiring process, which minimized friction and resulted in immediate contributions to projects. Overall, sentiment is overwhelmingly positive, with clients expressing satisfaction and confidence in Ancient's capabilities.
    Read 3 Recent Reviews
    14 of 18 Custom Software Development reviews are 5 stars
    4 new reviews for Custom Software Development in past 6 months
    $200,000 – $999,999 avg. project cost

    Custom Software Development PROJECT HIGHLIGHT

    Mobile App Dev for Financial Services Company

    5.0 — Ancient Tech developed a mobile app for a banking services company. The team built the app from scratch, including banking card functionalities and security layers. Read more
    Read 18 Reviews

    Average Project Cost Breakdown

    $50,000 to $199,999 (11) $200,000 to $999,999 (8) $10,000 to $49,000 (7) $1,000,000 to $9,999,999 (3)

    What Clients Have Said

    Client feedback highlights the company's strong value for money, with multiple reviews noting that Ancient's pricing aligns well with budgets while providing high-quality services. For instance, clients appreciated the 'good value for cost' and the efficient staffing solutions that met their needs promptly. Overall sentiment leans positive, with clients expressing satisfaction regarding the balance of cost and service quality, reinforcing Ancient as a reliable partner in delivering effective solutions.
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    Iron Forge Development Logotype

    Iron Forge Development

    4.8 19 reviews
    Premier Verified
    $25,000+
    $150 - $199 / hr
    10 - 49
    Serves Seattle, WA

    Services provided

    20% Custom Software Development
    10% AR/VR Development
    10% Blockchain +6 services
    10% ERP Consulting and SI
    10% Enterprise App Modernization
    10% IT Strategy Consulting
    10% Mobile App Development
    10% UX/UI Design
    10% Web Development

    Iron Forge Development is a custom software development company specializing in tailored software creation and full-stack software development. Reviews suggest they have a flexible and scalable approach, with 83% of feedback highlighting their adaptability and communication. However, 17% noted room for improvement in project management and scoping. Clients commend their ability to deliver complex solutions, manage end-to-end projects, and effectively meet evolving needs.

    See all 19 projects
    6 of 7 Custom Software Development reviews are 5 stars
    2 new reviews for Custom Software Development in past 6 months
    $200,000 – $999,999 avg. project cost

    Custom Software Development PROJECT HIGHLIGHT

    UI/UX Design & Web Development for Crypto Casino Company

    5.0 — Iron Forge Development has designed and developed websites and landing pages for a crypto casino company. The team has run UI/UX audits, created designs, and built custom React applications for the Read more
    Read 7 Reviews

    Average Project Cost Breakdown

    $50,000 to $199,999 (12) $10,000 to $49,000 (2) $200,000 to $999,999 (2) $1,000,000 to $9,999,999 (1)

    What Clients Have Said

    Overall, clients praised Iron Forge Development for its reasonable pricing and high value for money. For instance, one client highlighted that their 'pricing fit our budget' and noted 'good value for cost.' Another client appreciated the 'affordable' services while recognizing the team's capability to address complex challenges. Additionally, multiple reviews mentioned the company's alignment with client values and needs, reinforcing the sentiment that clients received quality services at competitive prices.
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    More responsive than most other service providers

    Iron Forge Development is responsive

    They are a great candidate to start a conversation with. Send them a short message or project inquiry.
    Get in Touch

    View projects from:

    United States (18) Australia (1)
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    Scalo Logotype

    Scalo

    4.7 32 reviews
    Premier Verified
    $10,000+
    $50 - $99 / hr
    250 - 999
    Serves Seattle, WA

    Services provided

    30% Custom Software Development
    10% Application Management & Support
    10% BI & Big Data Consulting & SI +6 services
    10% IT Managed Services
    10% IT Staff Augmentation
    10% Mobile App Development
    10% Web Development
    5% API Development
    5% DevOps Managed Services

    Scalo is a versatile software development company specializing in custom software creation and full stack software development. The majority of reviews are positive, highlighting their technical expertise, proactive communication, and ability to meet project timelines and milestones. Approximately 85% of reviews commend Scalo's project management and delivery speed, with clients appreciating their alignment with company values and budget constraints.

    See all 32 projects
    3 of 4 reviews are 5 stars
    2 new reviews for Custom Software Development services
    $200,000 – $999,999 avg. project cost

    Reviewed 4 times in the past 6 months

    Recent client feedback on Scalo highlights their strong engineering support and effective project management. Clients from diverse industries commend their ability to provide high-quality specialists swiftly, exemplified by a CTO noting improved delivery speed and development quality. Communication is consistently praised for being clear and responsive. While clients express overall satisfaction, a common suggestion for improvement includes establishing clearer expectations regarding team availability.
    Read 4 Recent Reviews
    10 of 19 Custom Software Development reviews are 5 stars
    2 new reviews for Custom Software Development in past 6 months
    $200,000 – $999,999 avg. project cost

    Custom Software Development PROJECT HIGHLIGHT

    IT Solutions for Global Credit Solution Company

    5.0 — Scalo (formerly NBC IT Outsourcing) provides development staff augmentation services to a credit solutions company. They're responsible for programming, DevOps, and testing a number of projects over Read more
    Read 19 Reviews

    Average Project Cost Breakdown

    $50,000 to $199,999 (6) $200,000 to $999,999 (5) $10,000 to $49,000 (3) $1,000,000 to $9,999,999 (2) Less than $10,000 (1)

    What Clients Have Said

    Clients consistently highlight Scalo's competitive pricing and excellent value for money. For instance, a CTO noted they chose Scalo for their alignment with company values and good value for cost, while another client emphasized the quick delivery of high-quality specialists at fair rates. Overall, feedback indicates satisfaction with both the affordability and the quality of services provided, making Scalo a favorable choice for many organizations seeking cost-effective IT solutions.
    Read All Reviews

    Wrocław, Poland

    ul. Powstańców Śląskich 9, Wrocław, Poland
    Wrocław, Poland 50-529

    101 - 150

    +48 665 594 665

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  • Techlusion LLC Logotype

    Not yet reviewed

    $1,000+
    < $25 / hr
    10 - 49
    Lynnwood, WA

    Services provided

    20% Custom Software Development
    20% AI Development
    20% Cloud Consulting & SI +2 services
    20% IT Staff Augmentation
    20% Mobile App Development

    Techlusion LLC is a cloud consulting & SI company. Their small team is in Lynnwood, Washington and Ahmedabad, India. Their services include cloud consulting & SI and IT staff augmentation.

    Read more
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  • FluentPro Software Corporation Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    50 - 249
    Issaquah, WA

    Services provided

    25% Custom Software Development
    25% BI & Big Data Consulting & SI
    25% IT Managed Services +1 service
    25% IT Strategy Consulting

    In Issaquah, Washington, FluentPro Software Corporation is an IT strategy consulting company. The team specializes in IT strategy consulting and BI & big data consulting & SI.

    Read more
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  • Beamshift Logotype

    Not yet reviewed

    $5,000+
    $50 - $99 / hr
    2 - 9
    Federal Way, WA

    Services provided

    50% Custom Software Development
    25% IoT Development
    25% Web Development

    Beamshift is a software development firm. Their small team is in Federal Way, Washington and specializes in Custom Software Development and Web Development. The agency was founded in 2024.

    Read more
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  • AMP Creative Logotype

    Not yet reviewed

    $5,000+
    Undisclosed
    10 - 49
    Seattle, WA

    Services provided

    15% Custom Software Development
    40% Corporate Training & Coaching
    20% Video Production +2 services
    15% AR/VR Development
    10% Web Design

    AMP Creative is a Corporate Training & Coaching company. The Dallas, Texas-based company was launched in 2002. Their services include Corporate Training & Coaching and Video Production.

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    Seattle, WA

    4626 43rd Ave S
    Seattle, WA 98118

    2 - 5

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  • Plain Concepts Logotype

    Not yet reviewed

    $25,000+
    $100 - $149 / hr
    250 - 999
    Redmond, WA

    Services provided

    15% Custom Software Development
    20% AI Development
    20% BI & Big Data Consulting & SI +8 services
    10% UX/UI Design
    10% Web Development
    8% AR/VR Development
    5% IoT Development
    5% Mobile App Development
    3% Video Production
    2% Blockchain
    2% Graphic Design

    Based in Redmond, Washington and Virgin Islands (U.S.), Plain Concepts is an AI firm. They focus on Artificial Intelligence and BI & big data consulting & SI and were established in 2006.

    Read more
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  • White Rabbit Group Inc Logotype

    Not yet reviewed

    $10,000+
    $100 - $149 / hr
    50 - 249
    Seattle, WA

    Services provided

    25% Custom Software Development
    25% Web Development
    10% E-Commerce Development +4 services
    10% Mobile App Development
    10% Product Design
    10% UX/UI Design
    10% Web Design

    Software development firm White Rabbit Group Inc was established in 2016. The company provides Custom Software Development and Web Development.

    Read more
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  • Lunavi Logotype

    Not yet reviewed

    $10,000+
    Undisclosed
    50 - 249
    Seattle, WA

    Services provided

    20% Custom Software Development
    20% Cloud Consulting & SI
    15% IT Managed Services +9 services
    5% Application Management & Support
    5% Application Testing
    5% BI & Big Data Consulting & SI
    5% Cybersecurity
    5% Enterprise App Modernization
    5% Mobile App Development
    5% Other Application Development
    5% Other IT Consulting and SI
    5% Web Development

    Lunavi, a custom software development company, offers Custom Software Development and cloud consulting & SI. The agency is located in Cheyenne, Wyoming and Omaha, Nebraska.

    Read more

    Seattle, WA

    2001 6th Avenue, Suite 1919
    Seattle, WA 98121

    2 - 5

    8669953282

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  • Provoke Solutions Logotype

    Not yet reviewed

    $25,000+
    Undisclosed
    50 - 249
    Bellevue, WA

    Services provided

    20% Custom Software Development
    10% AI Development
    10% Application Management & Support +6 services
    10% Enterprise App Modernization
    10% IoT Development
    10% Mobile App Development
    10% UX/UI Design
    10% Web Design
    10% Web Development

    Provoke Solutions, a software development firm, offers Custom Software Development and Enterprise App Modernization. The firm is in Bellevue, Washington and Wellington, New Zealand.

    Read more
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  • Witekio Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    50 - 249
    Bellevue, WA

    Services provided

    20% Custom Software Development
    20% Cybersecurity
    20% DevOps Managed Services +2 services
    20% IoT Development
    20% UX/UI Design

    Launched in 2009, Witekio, a midsize user experience design agency, is in Lyon, France and Bellevue, Washington. Their services include UX/UI Design and Cybersecurity.

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    Bellevue, WA

    3150 Richards Road
    Bellevue, WA 98005

    21 - 30

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  • TangoTeams Logotype

    Not yet reviewed

    $75,000+
    Undisclosed
    50 - 249
    Seattle, WA

    Services provided

    25% Custom Software Development
    30% Mobile App Development
    30% Web Development +1 service
    15% Other Application Development

    TangoTeams, a midsize website development company, is in Seattle, Washington. Their services include Web Development and Mobile App Development.

    Read more
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  • Assemble Logotype

    Not yet reviewed

    $25,000+
    $150 - $199 / hr
    50 - 249
    Seattle, WA

    Services provided

    20% Custom Software Development
    35% E-Commerce Development
    10% Business Consulting +5 services
    10% Cloud Consulting & SI
    10% ERP Consulting and SI
    5% CRM Consulting and SI
    5% Mobile App Development
    5% Web Development

    Assemble is a midsize e-commerce development company based in Seattle, Washington. Their services include E-Commerce Development and Custom Software Development.

    Read more
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  • Schema Design Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Seattle, WA

    Services provided

    20% Custom Software Development
    40% Graphic Design
    20% Branding +1 service
    20% Logo

    In Seattle, Washington, Schema Design is a small graphic design company. Their services include Graphic Design and Custom Software Development.

    Read more
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  • SWECKER Logotype

    5.0 2 reviews
    $5,000+
    $100 - $149 / hr
    2 - 9
    Seattle, WA

    Services provided

    10% Custom Software Development
    55% Web Development
    15% Web Design +3 services
    10% Mobile App Development
    5% Digital Strategy
    5% E-Commerce Development

    SWECKER is a versatile digital solutions company that specializes in digital marketing, web development, and e-document delivery. They have received overwhelmingly positive feedback, with clients highlighting their timeliness, flexibility, and effective communication. Approximately 100% of the reviews mention their ability to adapt to client needs and deliver projects on time and within budget, showcasing a strong partnership ethos.

    See all 2 projects

    Reviews mention Positive attitude

    Clients consistently express a positive attitude towards SWECKER, highlighting their effective communication and adaptability to client needs. One client noted, 'SWECKER has always been able to adjust' and emphasized their 'positive' demeanor. Another client remarked on their quick response times and the ease of collaboration, stating, 'It was all smooth and easy with no major issues.' Overall, the sentiment reflects satisfaction with SWECKER's support and professionalism.
    • Web Development for Northwest Wine Company
      5.0 Oct 20, 2016

      It was easy to work with them; they’re always positive, and they're always working to adjust to our needs, which is awesome.

      Read Full Review
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    Industry Experience

    SWECKER has demonstrated expertise primarily in the Advertising & Marketing and Food & Beverages industries. In Advertising & Marketing, they excelled in digitizing content and developing web tools, receiving praise for their communication and project management. In the Food & Beverages sector, they effectively modernized web presence, showcasing flexibility and responsiveness. Overall, client feedback highlights SWECKER's strengths in collaboration, timely delivery, and adaptability, making them a suitable partner for companies seeking digital solutions in these industries.

    Read All Reviews

    Select Industry to see insights

    Advertising & marketing Food & Beverages

    Average Project Cost Breakdown

    $10,000 to $49,000 (1) $200,000 to $999,999 (1)

    What Clients Have Said

    Clients generally express high satisfaction with SWECKER's cost-effectiveness and value for money. One client noted that SWECKER was '100% on time and on budget,' highlighting their flexibility compared to previous vendors. Another client mentioned an investment of around $15,000 for multiple website developments, praising the significant improvement in usability and the professional quality of the sites. Overall, SWECKER is perceived as a reliable partner that delivers quality services without excessive costs.
    Read All Reviews

    Review Rating from Clients

    5.0/5.0

    Quality

    5.0

    Schedule

    5.0

    Cost

    4.8

    Willing to Refer

    4.5

    Seattle-area clients appreciate SWECKER's extensive experience in web development, digital marketing tools, and interactive content. They value their collaborative approach, timely project execution, and ability to tailor solutions for diverse industries, from insurance to wine, ensuring impactful and user-centric digital platforms.
    Read Local Reviews
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  • WinnComm, LLC Logotype

    Not yet reviewed

    $10,000+
    $150 - $199 / hr
    2 - 9
    Kent, WA

    Services provided

    25% Custom Software Development
    25% Web Development
    15% Public Relations +3 services
    15% Social Media Marketing
    10% Mobile App Development
    10% Web Design

    WinnComm, LLC is a software development company. They provide Custom Software Development and Web Development and are based in Jaipur, India and Kent, Washington.

    Read more

    Kent, WA

    1048 West James Street, Suite 103
    Kent, WA 98032

    2 - 5

    253.293.9551

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  • Confiz Logotype

    Not yet reviewed

    $10,000+
    $25 - $49 / hr
    250 - 999
    Bellevue, WA

    Services provided

    10% Custom Software Development
    15% ERP Consulting and SI
    10% BI & Big Data Consulting & SI +8 services
    10% CRM Consulting and SI
    10% Cloud Consulting & SI
    10% IT Staff Augmentation
    10% Low/No Code Development
    10% Web Design
    5% AI Consulting
    5% AI Development
    5% IT Managed Services

    Confiz, an IT staff augmentation company, is in Bellevue, Washington and Dubai, United Arab Emirates. Launched in 2005, the team offers IT staff augmentation and ERP consulting and SI.

    Read more

    More responsive than most other service providers

    Confiz is very responsive

    They are a great candidate to start a conversation with. Send them a short message or project inquiry.
    Get in Touch
    View Profile
  • iTrellis Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Seattle, WA

    Services provided

    20% Custom Software Development
    20% Cloud Consulting & SI
    20% IT Managed Services +3 services
    20% IT Strategy Consulting
    10% Low/No Code Development
    10% Web Design

    Launched in 2013, iTrellis is a small Seattle, Washington-based cloud consulting & SI company. Their team provides cloud consulting & SI and Custom Software Development.

    Read more
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  • Futurism Technologies Logotype

    4.5 1 review
    $10,000+
    $25 - $49 / hr
    250 - 999
    Bellevue, WA

    Services provided

    10% Custom Software Development
    10% AI Development
    10% Blockchain +7 services
    10% Cybersecurity
    10% Digital Engineering
    10% IT Managed Services
    10% IT Strategy Consulting
    10% IoT Development
    10% Robotics Process Automation
    10% UX/UI Design

    Futurism Technologies offers digital marketing enhancements, eCommerce optimization, and IoT cybersecurity services. Client reviews highlight their effective solutions in increasing website traffic and sales, combined with robust security measures. Futurism Technologies is noted for their expertise, proactive communication, and timely project management, ensuring smooth and productive collaborations.

    See all 1 projects

    Bellevue, WA

    1400 112th Avenue Southeast
    Bellevue, WA 98004

    201 - 250

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  • Infogentech Logotype

    5.0 1 review
    Undisclosed
    Undisclosed
    10 - 49
    Lynnwood, WA

    Services provided

    20% Custom Software Development
    20% Mobile App Development
    20% Search Engine Optimization +2 services
    20% Web Design
    20% Web Development

    Infogentech specializes in digital solutions, including website design, SEO, and PPC campaigns, aimed at enhancing businesses' online presence. Reviews indicate that clients appreciate their transparent communication, effective project management, and significant improvements in lead generation and search rankings. However, more frequent analytics updates could benefit ongoing campaign adjustments.

    See all 1 projects

    Lynnwood, WA

    6124 200th Street Southwest
    Lynnwood, WA 98036

    10 - 15

    See All Locations (2)
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  • Quadrant Resource LLC Logotype

    Not yet reviewed

    $10,000+
    $100 - $149 / hr
    250 - 999
    Redmond, WA

    Services provided

    10% Custom Software Development
    45% IT Strategy Consulting
    25% IT Managed Services +1 service
    20% Cloud Consulting & SI

    Quadrant Resource LLC is an IT strategy consulting company. Established in 2004, the team focuses on IT strategy consulting and IT managed services. The agency is located in Redmond, Washington.

    Read more
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  • Null Unit Logotype

    Not yet reviewed

    $10,000+
    $100 - $149 / hr
    2 - 9
    Seattle, WA

    Services provided

    25% Custom Software Development
    25% UX/UI Design
    15% Business Consulting +6 services
    10% Financial Consulting
    5% AR/VR Development
    5% Enterprise App Modernization
    5% Other Application Development
    5% Web Design
    5% Web Development

    Null Unit, a custom software development firm, was established in 2017. The agency specializes in Custom Software Development and UX/UI Design, and is small.

    Read more
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  • Rooster Park Consulting Logotype

    Not yet reviewed

    $5,000+
    $50 - $99 / hr
    10 - 49
    Seattle, WA

    Services provided

    70% Custom Software Development
    30% IT Staff Augmentation

    Located in Seattle, Washington, Rooster Park Consulting is a software development firm. They focus on Custom Software Development and IT staff augmentation and were founded in 2008.

    Read more
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  • LabKey Logotype

    Not yet reviewed

    $5,000+
    $50 - $99 / hr
    10 - 49
    Seattle, WA

    Services provided

    70% Custom Software Development
    30% Cloud Consulting & SI

    LabKey is a small software development company located in Seattle, Washington and San Diego, California. The team offers Custom Software Development and cloud consulting & SI.

    Read more
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  • Jetstream Software, Inc. Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Kirkland, WA

    Services provided

    80% Custom Software Development
    10% AR/VR Development
    10% Web Design

    Jetstream Software, Inc., a software development company, provides Custom Software Development and AR/VR development. The agency is located in Kirkland, Washington.

    Read more
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  • Dev9 Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    50 - 249
    Kirkland, WA

    Services provided

    90% Custom Software Development
    10% IT Managed Services

    Dev9 is a custom software development company. The team is headquartered in Kirkland, Washington, and their services include Custom Software Development and IT managed services.

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  • F5 Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    1,000 - 9,999
    Seattle, WA

    Services provided

    20% Custom Software Development
    20% AI Development
    20% Cloud Consulting & SI +4 services
    10% Digital Strategy
    10% ECM Consulting and SI
    10% IT Managed Services
    10% Public Relations

    Cloud consulting & SI company F5 was established in 1996. The team specializes in cloud consulting & SI and Custom Software Development and is in Seattle, Washington and Billerica, Massachusetts.

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  • Chaos Theory Studios Logotype

    Not yet reviewed

    $100,000+
    Undisclosed
    10 - 49
    Seattle, WA

    Services provided

    20% Custom Software Development
    20% AI Development
    20% AR/VR Development +3 services
    15% Product Design
    15% UX/UI Design
    10% IoT Development

    Chaos Theory Studios is a digital solutions agency that failed to meet the project needs of a ticketing company. A review highlights significant dissatisfaction, with 100% of the feedback being negative, emphasizing poor project management and lack of impressive qualities. The reviewer would not recommend working with Chaos Theory Studios.

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  • Octoon Technologies Logotype

    Not yet reviewed

    $25,000+
    $25 - $49 / hr
    10 - 49
    Seattle, WA

    Services provided

    20% Custom Software Development
    20% BI & Big Data Consulting & SI
    20% Digital Strategy +2 services
    20% Social Media Marketing
    20% Web Development

    Octoon Technologies is a Seattle, Washington-based Digital Strategy company. The team offers Digital Strategy and Social Media Marketing.

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  • Redapt Logotype

    Not yet reviewed

    $50,000+
    $150 - $199 / hr
    50 - 249
    Woodinville, WA

    Services provided

    10% Custom Software Development
    20% Cloud Consulting & SI
    20% Enterprise App Modernization +5 services
    10% AI Development
    10% BI & Big Data Consulting & SI
    10% IT Managed Services
    10% Low/No Code Development
    10% Web Design

    Established in 1996, Redapt is a cloud consulting & SI company. The agency focuses on cloud consulting & SI and BI & big data consulting & SI, and is midsize.

    Read more
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  • Dark Matter Digital Logotype

    Not yet reviewed

    $5,000+
    $150 - $199 / hr
    2 - 9
    Seattle, WA

    Services provided

    25% Custom Software Development
    25% Digital Strategy
    25% IT Strategy Consulting +1 service
    25% UX/UI Design

    Founded in 2019, Dark Matter Digital is a Digital Strategy company. Their services include Digital Strategy and UX/UI Design.

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  • Autonomicsoft Solutions LLC Logotype

    Not yet reviewed

    $1,000+
    $50 - $99 / hr
    2 - 9
    Bothell, WA

    Services provided

    25% Custom Software Development
    50% Application Testing
    25% ERP Consulting and SI

    Small Application Testing company Autonomicsoft Solutions LLC, is located in Bothell, Washington. Their services include Application Testing and ERP consulting and SI.

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  • Webtual Global Inc. Logotype

    Not yet reviewed

    $1,000+
    < $25 / hr
    10 - 49
    Redmond, WA

    Services provided

    15% Custom Software Development
    25% Enterprise App Modernization
    15% Mobile App Development +6 services
    15% Web Development
    10% Low/No Code Development
    5% Application Management & Support
    5% Cloud Consulting & SI
    5% IT Strategy Consulting
    5% Other Application Development

    Webtual Global Inc., a custom software development company, was founded in 2019. The company offers Custom Software Development and Enterprise App Modernization.

    Read more

    Redmond, WA

    185th Avenue Northeast
    Redmond, WA 98052

    2 - 5

    8799313219

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  • Meydenbauer Partners Logotype

    Not yet reviewed

    $5,000+
    $50 - $99 / hr
    10 - 49
    Kirkland, WA

    Services provided

    20% Custom Software Development
    20% Back Office Outsourcing
    20% CRM Consulting and SI +2 services
    20% IT Staff Augmentation
    20% IT Strategy Consulting

    Meydenbauer Partners, an IT strategy consulting company, is based in Kirkland, Washington. They specialize in IT strategy consulting and CRM consulting and SI.

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  • Hawk Tech Universe Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Seattle, WA

    Services provided

    20% Custom Software Development
    20% IT Strategy Consulting
    20% Mobile App Development +2 services
    20% UX/UI Design
    20% Web Development

    UX design company Hawk Tech Universe is located in Seattle, Washington. They focus on UX/UI Design and IT strategy consulting and were founded in 2024.

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  • Actus Consulting Group Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Seattle, WA

    Services provided

    50% Custom Software Development
    50% CRM Consulting and SI

    Actus Consulting Group is a small Seattle, Washington-based CRM consulting and SI and custom software development company. Their services include CRM consulting and SI and Custom Software

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  • Heliopath Labs Logotype

    Not yet reviewed

    $1,000+
    $150 - $199 / hr
    2 - 9
    Seattle, WA

    Services provided

    20% Custom Software Development
    20% IoT Development
    20% Video Production +8 services
    5% Business Consulting
    5% ERP Consulting and SI
    5% Market Research
    5% Mobile App Development
    5% Other Application Development
    5% Product Design
    5% UX/UI Design
    5% Wearable App Development

    Heliopath Labs is a video production company. The Seattle, Washington-based firm was launched in 2020. Their services include Video Production and Custom Software Development.

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  • Techufy Inc Logotype

    Not yet reviewed

    $10,000+
    $50 - $99 / hr
    2 - 9
    Bellevue, WA

    Services provided

    20% Custom Software Development
    20% Enterprise App Modernization
    20% IoT Development +3 services
    20% Product Design
    10% API Development
    10% Microservices Architecture Services

    Techufy Inc is a Bellevue, Washington-based Product Design company. They provide Product Design and Custom Software Development.

    Read more
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  • v37 Logotype

    Not yet reviewed

    $5,000+
    $100 - $149 / hr
    2 - 9
    Seattle, WA

    Services provided

    20% Custom Software Development
    20% Enterprise App Modernization
    20% Web Development +3 services
    15% E-Commerce Development
    15% Mobile App Development
    10% Blockchain

    V37 is a custom software development company located in Seattle, Washington. Launched in 2022, the team specializes in Custom Software Development and Web Development.

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  • Bookable Retail Logotype

    Not yet reviewed

    $1,000+
    Undisclosed
    2 - 9
    Seattle, WA

    Services provided

    20% Custom Software Development
    30% Web Development
    20% UX/UI Design +2 services
    20% Web Design
    10% Digital Strategy

    Bookable Retail is a Seattle, Washington-based web development firm. Founded in 2022, the team provides Web Development and Web Design.

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  • 3rd Interval Logotype

    Not yet reviewed

    $1,000+
    $100 - $149 / hr
    2 - 9
    Seattle, WA

    Services provided

    20% Custom Software Development
    20% AI Consulting
    20% API Development +2 services
    20% E-Commerce Development
    20% Web Development

    AI Consulting company 3rd Interval is in Seattle, Washington. The team provides AI Consulting and Custom Software Development.

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  • Merito Solutions, Inc Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Bellevue, WA

    Services provided

    40% Custom Software Development
    30% Application Testing
    30% Robotics Process Automation

    Merito Solutions, Inc, a software development company, was established in 2013. Located in Bellevue, Washington, the team offers Custom Software Development and Application Testing.

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  • Homeworld Logotype

    Not yet reviewed

    $1,000+
    $100 - $149 / hr
    10 - 49
    Seattle, WA

    Services provided

    10% Custom Software Development
    20% Branding
    20% Marketing Strategy +4 services
    20% Product Design
    15% BI & Big Data Consulting & SI
    10% UX/UI Design
    5% Business Consulting

    Small branding agency Homeworld, is based in Seattle, Washington. The team provides Branding and Marketing Strategy.

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  • Facet Digital, LLC Logotype

    Not yet reviewed

    $5,000+
    $150 - $199 / hr
    10 - 49
    Kirkland, WA

    Services provided

    10% Custom Software Development
    20% Mobile App Development
    20% Web Development +5 services
    10% API Development
    10% AR/VR Development
    10% BI & Big Data Consulting & SI
    10% DevOps Managed Services
    10% UX/UI Design

    Facet Digital, LLC is a website development firm founded in 2013. The small team offers Web Development and Mobile App Development.

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  • PNW Design Consulting Logotype

    Not yet reviewed

    $1,000+
    $100 - $149 / hr
    2 - 9
    Seattle, WA

    Services provided

    10% Custom Software Development
    20% Web Design
    10% Business Consulting +8 services
    10% E-Commerce Development
    10% Logo
    10% Search Engine Optimization
    10% Web Development
    5% Content Marketing
    5% Digital Strategy
    5% Other Digital Marketing
    5% Packaging Design

    In Seattle, Washington, PNW Design Consulting is a web design agency. Launched in 2020, the team focuses on Web Design and Custom Software Development.

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At Clutch, we believe trust is the foundation of every business relationship. Our mission is to help buyers make confident, data-backed decisions informed by real client experiences.

Every review on Clutch undergoes a rigorous, human-led verification process to make sure it’s valid. Our team of specialists confirms the identity of each reviewer, ensures the project is legitimate, and only publishes reviews that meet our strict criteria.

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We evaluate service providers using a structured methodology that combines:

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This data powers tools like the Leaders Matrix, which helps you compare agencies directly. Our research team curates rankings by weighing verified reviews most heavily, so the most trusted and experienced providers rise to the top.

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Ability to deliver
Focus
Clutch Leaders Matrix

Rollover to see company insights or click a company below for more details.

1 Jelvix
2 Bilberrry
3 Affirma Consulting
4 UPQODE
5 ATOMICUS
6 Slashdev
7 Nearsure, a Nortal company
8 Culture Foundry
9 UpTop
10 ThirstySprout
11 Flower Press Interactive
12 UKAD
13 Mobcoder
14 Beyondsoft Consulting Inc.
15 Lunarbyte.io

List of the Top 15 Seattle Custom Software Development Companies

  1. Jelvix Logotype

    Jelvix

    $50,000+
    $50 - $99 / hr
    250 - 999
    Tallinn, Estonia

    Ability to deliver

    38.9/40.0
    20/20 Reviews
    9.1/10 Clients & Experience
    9.8/10 Market Presence

    Service focus

    70% Custom Software Development
    30% Other
    View Profile Visit Website
  3. Affirma Consulting Logotype

    Affirma Consulting

    $10,000+
    $100 - $149 / hr
    250 - 999
    Bellevue, WA

    Ability to deliver

    32.7/40.0
    15.8/20 Reviews
    7.3/10 Clients & Experience
    9.6/10 Market Presence

    Service focus

    35% Custom Software Development
    65% Other
    View Profile Visit Website
  4. UPQODE Logotype

    UPQODE

    $5,000+
    $100 - $149 / hr
    50 - 249
    Nashville, TN

    Ability to deliver

    38.6/40.0
    20/20 Reviews
    10/10 Clients & Experience
    8.6/10 Market Presence

    Service focus

    10% Custom Software Development
    90% Other
    View Profile Visit Website
  5. ATOMICUS Logotype

    ATOMICUS

    $50,000+
    $100 - $149 / hr
    10 - 49
    Seattle, WA

    Ability to deliver

    31.5/40.0
    16.4/20 Reviews
    9.5/10 Clients & Experience
    5.6/10 Market Presence

    Service focus

    60% Custom Software Development
    40% Other
    View Profile Visit Website
  6. Slashdev Logotype

    Slashdev

    $5,000+
    $25 - $49 / hr
    10 - 49
    Winter Park, FL

    Ability to deliver

    35.7/40.0
    17.2/20 Reviews
    10/10 Clients & Experience
    8.5/10 Market Presence

    Service focus

    20% Custom Software Development
    80% Other
    View Profile Visit Website
  7. Nearsure, a Nortal company Logotype

    Nearsure, a Nortal company

    $25,000+
    $25 - $49 / hr
    250 - 999
    Montevideo, Uruguay

    Ability to deliver

    35.8/40.0
    16.4/20 Reviews
    10/10 Clients & Experience
    9.4/10 Market Presence

    Service focus

    10% Custom Software Development
    90% Other
    View Profile Visit Website
  8. Culture Foundry Logotype

    Culture Foundry

    $25,000+
    $150 - $199 / hr
    10 - 49
    Seattle, WA

    Ability to deliver

    37.1/40.0
    17.8/20 Reviews
    10/10 Clients & Experience
    9.3/10 Market Presence

    Service focus

    10% Custom Software Development
    90% Other
    View Profile Visit Website
  9. UpTop Logotype

    UpTop

    $25,000+
    $150 - $199 / hr
    10 - 49
    Seattle, WA

    Ability to deliver

    36.2/40.0
    16.6/20 Reviews
    10/10 Clients & Experience
    9.6/10 Market Presence

    Service focus

    15% Custom Software Development
    85% Other
    View Profile Visit Website
  10. ThirstySprout Logotype

    ThirstySprout

    $50,000+
    $50 - $99 / hr
    50 - 249
    Seattle, WA

    Ability to deliver

    36.5/40.0
    18.2/20 Reviews
    10/10 Clients & Experience
    8.3/10 Market Presence

    Service focus

    10% Custom Software Development
    90% Other
    View Profile Visit Website
  11. Flower Press Interactive Logotype

    Flower Press Interactive

    $10,000+
    $150 - $199 / hr
    10 - 49
    Medina, WA

    Ability to deliver

    36.2/40.0
    18.8/20 Reviews
    10/10 Clients & Experience
    7.4/10 Market Presence

    Service focus

    10% Custom Software Development
    90% Other
    View Profile Visit Website
  12. UKAD Logotype

    UKAD

    $5,000+
    $50 - $99 / hr
    250 - 999
    Kirkland, WA

    Ability to deliver

    34.8/40.0
    17.6/20 Reviews
    9.4/10 Clients & Experience
    7.8/10 Market Presence

    Service focus

    10% Custom Software Development
    90% Other
    View Profile Visit Website
  13. Mobcoder Logotype

    Mobcoder

    $25,000+
    $50 - $99 / hr
    50 - 249
    Seattle, WA

    Ability to deliver

    35.8/40.0
    16.2/20 Reviews
    10/10 Clients & Experience
    9.6/10 Market Presence

    Service focus

    10% Custom Software Development
    90% Other
    View Profile Visit Website
  14. Beyondsoft Consulting Inc. Logotype

    Beyondsoft Consulting Inc.

    $10,000+
    $150 - $199 / hr
    10,000+
    Bellevue, WA

    Ability to deliver

    32.6/40.0
    15.2/20 Reviews
    10/10 Clients & Experience
    7.4/10 Market Presence

    Service focus

    10% Custom Software Development
    90% Other
    View Profile Visit Website
  15. Lunarbyte.io Logotype

    Lunarbyte.io

    $25,000+
    $100 - $149 / hr
    2 - 9
    Seattle, WA

    Ability to deliver

    33.2/40.0
    16.6/20 Reviews
    10/10 Clients & Experience
    6.6/10 Market Presence

    Service focus

    30% Custom Software Development
    70% Other
    View Profile Visit Website
  16. Black Antelope Logotype

    Black Antelope

    $25,000+
    $100 - $149 / hr
    2 - 9
    Seattle, WA

    Ability to deliver

    34.6/40.0
    16.2/20 Reviews
    10/10 Clients & Experience
    8.3/10 Market Presence

    Service focus

    15% Custom Software Development
    85% Other
    View Profile Visit Website
  17. Tecla Logotype

    Tecla

    $25,000+
    $25 - $49 / hr
    50 - 249
    Seattle, WA

    Ability to deliver

    34.6/40.0
    19.4/20 Reviews
    8/10 Clients & Experience
    7.2/10 Market Presence

    Service focus

    10% Custom Software Development
    90% Other
    View Profile Visit Website
  18. AccelOne Logotype

    AccelOne

    $10,000+
    $50 - $99 / hr
    50 - 249
    Kirkland, WA

    Ability to deliver

    32.9/40.0
    16/20 Reviews
    8.6/10 Clients & Experience
    8.3/10 Market Presence

    Service focus

    10% Custom Software Development
    90% Other
    View Profile Visit Website
  19. Innova Logotype

    Innova

    $5,000+
    $50 - $99 / hr
    50 - 249
    Seattle, WA

    Ability to deliver

    31.8/40.0
    17.4/20 Reviews
    9.5/10 Clients & Experience
    4.9/10 Market Presence

    Service focus

    10% Custom Software Development
    90% Other
    View Profile Visit Website
  20. Smashing Ideas Logotype

    Smashing Ideas

    Undisclosed
    Undisclosed
    50 - 249
    Seattle, WA

    Ability to deliver

    30.8/40.0
    16.2/20 Reviews
    8/10 Clients & Experience
    6.6/10 Market Presence

    Service focus

    10% Custom Software Development
    90% Other
    View Profile Visit Website
  21. Northwest Independent Ruby Development Logotype

    Northwest Independent Ruby Development

    $25,000+
    $150 - $199 / hr
    2 - 9
    Seattle, WA

    Ability to deliver

    23.8/40.0
    16.2/20 Reviews
    2.4/10 Clients & Experience
    5.2/10 Market Presence

    Service focus

    65% Custom Software Development
    35% Other
    View Profile Visit Website
  22. Matey Logotype

    Matey

    $10,000+
    $200 - $300 / hr
    2 - 9
    Seattle, WA

    Ability to deliver

    29.5/40.0
    16.4/20 Reviews
    9.1/10 Clients & Experience
    4/10 Market Presence

    Service focus

    10% Custom Software Development
    90% Other
    View Profile Visit Website
  23. Virtuosity Consulting Logotype

    Virtuosity Consulting

    $10,000+
    $25 - $49 / hr
    50 - 249
    Bellevue, WA

    Ability to deliver

    25.8/40.0
    16.2/20 Reviews
    3.1/10 Clients & Experience
    6.5/10 Market Presence

    Service focus

    25% Custom Software Development
    75% Other
    View Profile Visit Website
  24. New Normal Logotype

    New Normal

    $50,000+
    $100 - $149 / hr
    10 - 49
    Seattle, WA

    Ability to deliver

    25/40.0
    16.6/20 Reviews
    3.8/10 Clients & Experience
    4.6/10 Market Presence

    Service focus

    20% Custom Software Development
    80% Other
    View Profile Visit Website
  25. Scalex Technology Solutions Logotype

    Scalex Technology Solutions

    $5,000+
    $25 - $49 / hr
    10 - 49
    Bellevue, WA

    Ability to deliver

    24.3/40.0
    16.2/20 Reviews
    3.5/10 Clients & Experience
    4.6/10 Market Presence

    Service focus

    20% Custom Software Development
    80% Other
    View Profile Visit Website
  26. Room 8 Group Logotype

    Room 8 Group

    Undisclosed
    Undisclosed
    1,000 - 9,999
    Limassol, Cyprus

    Ability to deliver

    19.5/40.0
    0/20 Reviews
    10/10 Clients & Experience
    9.5/10 Market Presence

    Service focus

    20% Custom Software Development
    80% Other
    View Profile Visit Website
  27. Growth Natives Logotype

    Growth Natives

    $5,000+
    $25 - $49 / hr
    50 - 249
    Clyde Hill, WA

    Ability to deliver

    25/40.0
    15/20 Reviews
    0/10 Clients & Experience
    10/10 Market Presence

    Service focus

    10% Custom Software Development
    90% Other
    View Profile Visit Website
  28. Dura Digital Logotype

    Dura Digital

    $10,000+
    $50 - $99 / hr
    10 - 49
    Edmonton, Canada

    Ability to deliver

    23.6/40.0
    17.4/20 Reviews
    1.2/10 Clients & Experience
    5/10 Market Presence

    Service focus

    20% Custom Software Development
    80% Other
    View Profile Visit Website
  29. Neighborsoft.team Logotype

    Neighborsoft.team

    $1,000+
    $100 - $149 / hr
    250 - 999
    Bellevue, WA

    Ability to deliver

    20.8/40.0
    16.2/20 Reviews
    0/10 Clients & Experience
    4.6/10 Market Presence

    Service focus

    20% Custom Software Development
    80% Other
    View Profile Visit Website
  30. Persistent Systems Logotype

    Persistent Systems

    $25,000+
    $25 - $49 / hr
    10,000+
    Pune, India

    Ability to deliver

    21.6/40.0
    14.6/20 Reviews
    0/10 Clients & Experience
    7/10 Market Presence

    Service focus

    10% Custom Software Development
    90% Other
    View Profile Visit Website

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Top Software Development Agencies in Seattle

Seattle software firms design, build, test, and maintain custom applications. Typical services include:

  • Product discovery and technical road-mapping
  • UX/UI design and prototyping
  • Web, mobile, and cloud-native development (often on AWS or Azure)
  • QA automation and DevOps
  • Post-launch support and feature expansion Many local agencies also provide staff augmentation, allowing Seattle’s Fortune 500s and startups alike to scale quickly without recruiting overhead.

Here are some reasons why you should hire a local Seattle-based software development agency:

  • Proximity to major cloud platforms (AWS, Azure, Google Cloud Northwest) gives local teams early access to new services and regional data centers.
  • The city’s mature startup ecosystem, such as Techstars Seattle and Madrona Venture Group, means agencies are comfortable iterating fast and working with VC-backed roadmaps.
  • Pacific Time overlaps conveniently with both East Coast business hours and APAC engineering teams, streamlining distributed collaboration.

Rates vary by specialty and team size:

  • Mid-level custom software work: $125–$175 per hour
  • High-complexity cloud or AI projects: $175–$250+ per hour Fixed-scope MVPs typically start around $75,000, while long-term enterprise engagements can exceed $500,000. Many boutique studios offer phased billing or sprint-based contracts so you can control burn rate.

Seattle developers commonly work in:

  • Cloud & SaaS
  • E-commerce and retail tech
  • Healthcare and digital health
  • Fintech and payments
  • Maritime logistics and supply chain
  • Gaming and AR/VR (bolstered by the local indie-game scene)

Match expertise to your stack. For example, if you’re building on AWS Lambda, look for certified partners. Then you can follow these:

  • Review Clutch case studies. Prior success in your industry often predicts smoother onboarding.
  • Assess communication style. Schedule a technical deep-dive; strong agencies explain trade-offs clearly and propose realistic timelines.
  • Check cultural fit. Seattle shops range from corporate consultancies to scrappy agile squads—pick the environment that aligns with your team culture.

Watch out for these red flags when hiring a Seattle software firm:

  • One-size-fits-all proposals that ignore your existing architecture
  • Limited local presence (e.g., sales office in Seattle but dev team entirely offshore without overlap hours)
  • Inflexible IP terms that don’t assign code ownership to your company
  • Over-promising senior talent but staffing junior engineers without notice If any of these appear during discovery, continue vetting other Seattle software development services.

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