Top Software Developers in Seattle
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Featured
What are Featured Providers?
$10,000+$150 - $199 / hr10 - 49Serves Seattle, WAServices provided
See all 11 projectsKingsmen Digital Ventures is a custom software development company specializing in bespoke software creation and full-stack software development. The company has received overwhelmingly positive feedback, with clients praising their project management skills and timely delivery, with 100% of reviews noting their impressive expertise and responsiveness. Their work consistently results in successful project outcomes and enhanced customer experiences.
$10,000+$50 - $99 / hr1,000 - 9,999Serves Seattle, WAServices provided
See all 72 projectsInnowise 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.
$25,000+$25 - $49 / hr1,000 - 9,999Serves Seattle, WAServices provided
See all 82 projectsSimform 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.
$50,000+$50 - $99 / hr1,000 - 9,999Serves Seattle, WAServices provided
See all 98 projectsVention 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.
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UndisclosedUndisclosed10 - 49Seattle, WA
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Established in 2011, Spiderbox Design is a social media marketing company. The firm offers Social Media Marketing and Web Design.
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$10,000+$100 - $149 / hr2 - 9Kirkland, WA
Services provided
Clocktower Media is a custom software development company. Launched in 1999, the agency is in Kirkland, Washington. Their services include Custom Software Development and Web Development.
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Featured
What are Featured Providers?
$50,000+$25 - $49 / hr50 - 249Serves Seattle, WAServices provided
See all 12 projectsElaniin 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.
$50,000+$50 - $99 / hr1,000 - 9,999Serves Seattle, WAServices provided
See all 30 projectsCoherent 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.
$25,000+$25 - $49 / hr50 - 249Serves Seattle, WAServices provided
See all 30 projectsWeSoftYou 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.
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$10,000+$100 - $149 / hr10 - 49Arlington, WA
Services provided
FDG Web, Inc is a web design company established in 2000. Based in Arlington, Washington, the team provides Web Design and Web Development.
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Undisclosed$25 - $49 / hr2 - 9Parkland, WA
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Elevate Digital is a small software development company. Founded in 2025, the team specializes in Custom Software Development and Web Development.
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UndisclosedUndisclosed10 - 49Tacoma, WA
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Prime Consulting Inc is an Email Marketing company. Based in Tacoma, Washington, their small team focuses on Email Marketing and cloud consulting & SI. The firm was established in 2015.
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UndisclosedUndisclosed10 - 49Tacoma, WA
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Business intelligence company NETWORG is headquartered in Warsaw, North Carolina and Tacoma, Washington. They offer BI & big data consulting & SI and cloud consulting & SI.
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UndisclosedUndisclosed10 - 49Lakewood, WA
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Custom software development company Rev Consulting LLC was founded in 2011. The firm offers Custom Software Development and cloud consulting & SI.
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Featured
What are Featured Providers?
$10,000+$25 - $49 / hr50 - 249Serves Seattle, WAServices provided
See all 38 projectsAncient 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.
$25,000+$150 - $199 / hr10 - 49Serves Seattle, WAServices provided
See all 19 projectsIron 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.
$10,000+$50 - $99 / hr250 - 999Serves Seattle, WAServices provided
See all 32 projectsScalo 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.
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UndisclosedUndisclosed10 - 49Federal Way, WA
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Karma Consulting, Inc. Is an UX design agency. They are in Federal Way, Washington. Their team provides UX/UI Design and cloud consulting & SI.
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UndisclosedUndisclosed2 - 9Lake Stevens, WA
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Custom Websites by Webvisuals, a software development company, was launched in 2002. The team provides Custom Software Development and Branding.
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UndisclosedUndisclosedFreelancerEverett, WA
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Mystic Engineering / Mystic Industries is a small Product Design company located in Everett, Washington. Their services include Product Design and Custom Software Development.
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$5,000+$50 - $99 / hr10 - 49Marysville, WA
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See all 6 projectsHybrid Mediaworks specializes in Bespoke Software Development, providing tailored software solutions such as custom app development and CS Dev. Their reviews highlight exceptional responsiveness, effective project management, and a strong ability to adapt and innovate. Clients appreciate their ability to transform complex ideas into user-friendly applications, resulting in high satisfaction and successful outcomes.
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UndisclosedUndisclosed2 - 9Kent, WA
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Vibotek LLC is a Kent, Washington-based IT strategy consulting company. The team focuses on IT strategy consulting and Application Testing.
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$10,000+$100 - $149 / hr10 - 49Bellevue, WA
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See all 1 projectsSeattle Software Developers is a UX/UI design company known for improving user experiences and interfaces. The reviews highlight their ability to decrease customer support requests by 25% and increase user engagement by 30%. Most reviewers commend their user-centered design approach and project management, with a suggestion for more collaborative brainstorming sessions. Overall, feedback is overwhelmingly positive.
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UndisclosedUndisclosed2 - 9Olympia, WA
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Triceratops Technology Resources is a small IT strategy consulting company. They focus on IT strategy consulting and BI & big data consulting & SI and were launched in 2018.
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$10,000+$100 - $149 / hr250 - 999Bellevue, WA
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SOUTHWORKS is a midsize custom software development firm. They offer Custom Software Development and cloud consulting & SI and were launched in 2004.
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$5,000+$100 - $149 / hrFreelancerSeattle, WA
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On The Brink Designs, a small web design agency, is in Seattle, Washington. The team provides Web Design and IT strategy consulting.
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UndisclosedUndisclosed2 - 9Seattle, WA
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MyWorks Design is a web design company. Headquartered in Fort Worth, Texas and Seattle, Washington, the agency was founded in 2010. Their services include Web Design and Custom Software Development.
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UndisclosedUndisclosed2 - 9Tacoma, WA
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Pi Development, a software development company, is in Tacoma, Washington. Launched in 2013, the team offers Custom Software Development and Web Development.
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UndisclosedUndisclosed10 - 49Bellevue, WA
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Abasys Technologies Inc is a software development firm. Located in Bellevue, Washington, the firm was founded in 1987. Their services include Custom Software Development and Blockchain.
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UndisclosedUndisclosed10 - 49Bellevue, WA
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SSIR Solutions, a software development firm, was established in 2022. The team specializes in Custom Software Development and Web Development.
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UndisclosedUndisclosed2 - 9Olympia, WA
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Paragon Works is a web design agency. They specialize in Web Design and Custom Software Development and are in Olympia, Washington.
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UndisclosedUndisclosed2 - 9Redmond, WA
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Yoctocode, LLC is a Redmond, Washington-based software development company. Established in 2015, the team offers Custom Software Development and UX/UI Design.
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UndisclosedUndisclosedFreelancerTacoma, WA
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Established in 2001, Matthew Fleming Inc. Is a small Tacoma, Washington-based software development company. Their team specializes in Custom Software Development and E-Commerce Development.
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List of the Top 15 Seattle Custom Software Development Companies
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$50,000+$50 - $99 / hr250 - 999Tallinn, Estonia
Ability to deliver
38.9/40.020/20 Reviews9.1/10 Clients & Experience9.8/10 Market PresenceService focus
70% Custom Software Development30% Other -
$25,000+$50 - $99 / hr10 - 49Seattle, WA
Ability to deliver
37.1/40.017.8/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
50% Custom Software Development50% Other -
$10,000+$100 - $149 / hr250 - 999Bellevue, WA
Ability to deliver
32.7/40.015.8/20 Reviews7.3/10 Clients & Experience9.6/10 Market PresenceService focus
35% Custom Software Development65% Other -
$5,000+$100 - $149 / hr50 - 249Nashville, TN
Ability to deliver
38.6/40.020/20 Reviews10/10 Clients & Experience8.6/10 Market PresenceService focus
10% Custom Software Development90% Other -
$50,000+$100 - $149 / hr10 - 49Seattle, WA
Ability to deliver
31.5/40.016.4/20 Reviews9.5/10 Clients & Experience5.6/10 Market PresenceService focus
60% Custom Software Development40% Other -
$5,000+$25 - $49 / hr10 - 49Winter Park, FL
Ability to deliver
35.7/40.017.2/20 Reviews10/10 Clients & Experience8.5/10 Market PresenceService focus
20% Custom Software Development80% Other -
$25,000+$25 - $49 / hr250 - 999Montevideo, Uruguay
Ability to deliver
35.8/40.016.4/20 Reviews10/10 Clients & Experience9.4/10 Market PresenceService focus
10% Custom Software Development90% Other -
$25,000+$150 - $199 / hr10 - 49Seattle, WA
Ability to deliver
37.1/40.017.8/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
10% Custom Software Development90% Other -
$25,000+$150 - $199 / hr10 - 49Seattle, WA
Ability to deliver
36.2/40.016.6/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
15% Custom Software Development85% Other -
$50,000+$50 - $99 / hr50 - 249Seattle, WA
Ability to deliver
36.5/40.018.2/20 Reviews10/10 Clients & Experience8.3/10 Market PresenceService focus
10% Custom Software Development90% Other -
$10,000+$150 - $199 / hr10 - 49Medina, WA
Ability to deliver
36.2/40.018.8/20 Reviews10/10 Clients & Experience7.4/10 Market PresenceService focus
10% Custom Software Development90% Other -
$5,000+$50 - $99 / hr250 - 999Kirkland, WA
Ability to deliver
34.8/40.017.6/20 Reviews9.4/10 Clients & Experience7.8/10 Market PresenceService focus
10% Custom Software Development90% Other -
$25,000+$50 - $99 / hr50 - 249Seattle, WA
Ability to deliver
35.8/40.016.2/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
10% Custom Software Development90% Other -
$10,000+$150 - $199 / hr10,000+Bellevue, WA
Ability to deliver
32.6/40.015.2/20 Reviews10/10 Clients & Experience7.4/10 Market PresenceService focus
10% Custom Software Development90% Other -
$25,000+$100 - $149 / hr2 - 9Seattle, WA
Ability to deliver
33.2/40.016.6/20 Reviews10/10 Clients & Experience6.6/10 Market PresenceService focus
30% Custom Software Development70% Other -
$25,000+$100 - $149 / hr2 - 9Seattle, WA
Ability to deliver
34.6/40.016.2/20 Reviews10/10 Clients & Experience8.3/10 Market PresenceService focus
15% Custom Software Development85% Other -
$25,000+$25 - $49 / hr50 - 249Seattle, WA
Ability to deliver
34.6/40.019.4/20 Reviews8/10 Clients & Experience7.2/10 Market PresenceService focus
10% Custom Software Development90% Other -
$10,000+$50 - $99 / hr50 - 249Kirkland, WA
Ability to deliver
32.9/40.016/20 Reviews8.6/10 Clients & Experience8.3/10 Market PresenceService focus
10% Custom Software Development90% Other -
$5,000+$50 - $99 / hr50 - 249Seattle, WA
Ability to deliver
31.8/40.017.4/20 Reviews9.5/10 Clients & Experience4.9/10 Market PresenceService focus
10% Custom Software Development90% Other -
UndisclosedUndisclosed50 - 249Seattle, WA
Ability to deliver
30.8/40.016.2/20 Reviews8/10 Clients & Experience6.6/10 Market PresenceService focus
10% Custom Software Development90% Other -
$25,000+$150 - $199 / hr2 - 9Seattle, WA
Ability to deliver
23.8/40.016.2/20 Reviews2.4/10 Clients & Experience5.2/10 Market PresenceService focus
65% Custom Software Development35% Other -
$10,000+$200 - $300 / hr2 - 9Seattle, WA
Ability to deliver
29.5/40.016.4/20 Reviews9.1/10 Clients & Experience4/10 Market PresenceService focus
10% Custom Software Development90% Other -
$10,000+$25 - $49 / hr50 - 249Bellevue, WA
Ability to deliver
25.8/40.016.2/20 Reviews3.1/10 Clients & Experience6.5/10 Market PresenceService focus
25% Custom Software Development75% Other -
$50,000+$100 - $149 / hr10 - 49Seattle, WA
Ability to deliver
25/40.016.6/20 Reviews3.8/10 Clients & Experience4.6/10 Market PresenceService focus
20% Custom Software Development80% Other -
$5,000+$25 - $49 / hr10 - 49Bellevue, WA
Ability to deliver
24.3/40.016.2/20 Reviews3.5/10 Clients & Experience4.6/10 Market PresenceService focus
20% Custom Software Development80% Other -
UndisclosedUndisclosed1,000 - 9,999Limassol, Cyprus
Ability to deliver
19.5/40.00/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
20% Custom Software Development80% Other -
$5,000+$25 - $49 / hr50 - 249Clyde Hill, WA
Ability to deliver
25/40.015/20 Reviews0/10 Clients & Experience10/10 Market PresenceService focus
10% Custom Software Development90% Other -
$10,000+$50 - $99 / hr10 - 49Edmonton, Canada
Ability to deliver
23.6/40.017.4/20 Reviews1.2/10 Clients & Experience5/10 Market PresenceService focus
20% Custom Software Development80% Other -
$1,000+$100 - $149 / hr250 - 999Bellevue, WA
Ability to deliver
20.8/40.016.2/20 Reviews0/10 Clients & Experience4.6/10 Market PresenceService focus
20% Custom Software Development80% Other -
$25,000+$25 - $49 / hr10,000+Pune, India
Ability to deliver
21.6/40.014.6/20 Reviews0/10 Clients & Experience7/10 Market PresenceService focus
10% Custom Software Development90% Other
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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.