Top JavaScript Developers
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$5,000+$25 - $49 / hr50 - 249London, EnglandServices provided
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See all 88 projectsDigis, a Fiverr company (NYSE: FVRR), excels in providing comprehensive web development and staff augmentation services. With a focus on custom website development, front-end and back-end development, they consistently deliver high-quality projects, demonstrating 100% positive feedback for their technical expertise and effective project management. Clients frequently highlight their reliability and seamless integration into existing teams, with 80% mentioning their exceptional communication skills and adaptability.
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$25,000+$150 - $199 / hr50 - 249New York, NY
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See all 43 projectsLounge Lizard is a versatile web development company specializing in website design, development, and digital marketing services. Reviews highlight their top-notch design skills, responsive project management, and ability to deliver creative solutions, with 100% of reviewers noting their professionalism and effective communication. Their expertise in SEO and website optimization is frequently praised, making them a preferred partner across various industries.
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$25,000+$50 - $99 / hr10 - 49Atlanta, GA
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See all 48 projectsDedicated Developers is a full-stack web development company specializing in custom website development, web application development, and mobile app creation. With a 100% positive feedback rate, clients consistently praise their project management, responsiveness, and technical expertise. Notably, 80% of reviews highlight their ability to integrate seamlessly with internal teams, while 90% emphasize their reliability and proactive approach to problem-solving.
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$5,000+< $25 / hr50 - 249Ahmedabad, India
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See all 81 projectsElsner Technologies Pvt Ltd is a web development company offering services such as web development, web design, and custom website development. Across reviews, 90% of clients commend their responsiveness and ability to deliver projects on time and within budget. However, 20% suggest room for improvement in strategic proactivity and communication when initiating projects.
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$10,000+$100 - $149 / hr10 - 49Ultimo, Australia
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See all 24 projectsWP Creative is a web development company renowned for delivering comprehensive and high-performing custom website solutions. With a consistent track record in timely project delivery and proactive management, 100% of reviewers commend their technical expertise and responsiveness. Clients particularly appreciate their ability to improve website performance and engagement, underscoring their skill in custom website development and detailed project execution.
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$5,000+$200 - $300 / hr10 - 49Chicago, IL
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See all 19 projectsMarcel Digital is a digital agency specializing in Website Development and online solutions, offering services such as web design, SEO, and 24/7 website support. Their reviews highlight a 100% positive feedback rate, emphasizing exceptional project management, clear communication, and a customer-centric approach. Notably, 80% of clients praised their ability to deliver projects on time and within budget.
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$10,000+$50 - $99 / hr50 - 249Kyiv, Ukraine
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See all 16 projectsOVERCODE is a web development company specializing in custom website development and full-stack web development services, including web application development using technologies like React.js and Next.js. With 100% positive feedback, clients consistently praise their commitment to deadlines, high-quality work, and effective communication. Approximately 70% of reviewers highlight their strong project management skills and proactive approach, while 80% commend their ability to integrate complex designs seamlessly.
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$10,000+$50 - $99 / hr10 - 49Budapest, Hungary
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See all 45 projectsIntegral Vision Ltd. is a web development company specializing in custom website development, with a strong focus on Drupal-based solutions. Their services consistently meet diverse needs, from bilingual websites to complex map applications. Feedback is overwhelmingly positive, with 100% of reviewers highlighting their strategic collaboration, technical expertise, and effective project management. They are also praised for their ability to deliver on time and within budget, ensuring client satisfaction.
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$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
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See all 39 projectsLionwood.software is a web development company specializing in custom website development, full-stack web development, and web application development. The company receives overwhelmingly positive feedback, with clients praising their technical expertise, timely delivery, and strong project management skills. Approximately 90% of reviewers highlight their professionalism and effective communication.
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$10,000+$25 - $49 / hr50 - 249T'bilisi, Georgia
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See all 36 projectsRedberry is a versatile web development company excelling in Website Development, Web Design, and Full-Stack Web Development. Their reviews reveal consistent praise for their creative and technical expertise, with 100% positive feedback on project management efficiency and timely deliverables. Clients frequently commend their responsiveness and capability to align digital solutions with business needs, making them a preferred choice for custom website development projects.
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$10,000+$50 - $99 / hr50 - 249Warszawa, Poland
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See all 52 projectsRubyroid Labs is a full-stack web development company specializing in custom website development and web application development. Their reviews reflect a remarkable 100% positive feedback, with a strong emphasis on their technical expertise and project management skills. Clients consistently praise their responsiveness, ability to meet deadlines, and seamless integration of customer goals, with 90% highlighting their flexibility and understanding of business needs.
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$25,000+$50 - $99 / hr10 - 49Seattle, WA
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See all 34 projectsBilberrry is a web development company specializing in comprehensive website and web application development, including full-stack web development and custom website development. Reviews highlight their exceptional project management, timely delivery, and ability to integrate client feedback, with 100% of the reviews praising their communication and collaborative approach. Clients particularly appreciate their strategic insight and creativity in web design solutions.
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$10,000+$25 - $49 / hr50 - 249Dubai, United Arab Emirates
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See all 47 projectsLumitech is a versatile web development company specializing in full-stack development, custom website development, and web application development. With over 90% of feedback emphasizing their exceptional communication, collaborative approach, and adherence to deadlines, Lumitech consistently delivers high-quality solutions tailored to clients' needs. Their ability to integrate seamlessly with clients' teams and maintain strong project management practices is frequently highlighted.
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$10,000+$25 - $49 / hr250 - 999Stuttgart, Germany
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See all 31 projects*instinctools, a comprehensive web development company, excels in custom website development, full-stack web development, and web application development. With a 98% positive feedback rate, clients consistently praise their strong project management, responsiveness, and commitment to client success. Approximately 85% of reviewers highlight their effective communication and flexibility, making them a reliable partner for diverse development needs.
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$50,000+$100 - $149 / hr10 - 49Vancouver, Canada
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See all 29 projectsPieoneers is a web development company excelling in full-stack web development, web design, and web application development, particularly for custom website projects. Their reviews emphasize a strong work ethic, effective project management, and alignment with client values. Across reviews, 100% of clients highlight their responsiveness and ability to meet deadlines, while over 85% commend their technical expertise and adaptability.
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$5,000+$50 - $99 / hr10 - 49Łódź, Poland
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See all 43 projectsOsom Studio is a highly rated web development company specializing in custom website development, full-stack web development, and web application development. Across all reviews, 100% of clients commend their technical expertise, communication, and project management skills. Their ability to deliver high-quality, timely solutions garners trust and satisfaction from diverse industries.
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$25,000+$100 - $149 / hr50 - 249New York, NY
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See all 95 projectsPerpetual is a web development company with a strong focus on website design, custom website development, and full-stack web development. They consistently receive positive feedback, with clients praising their efficiency, flexibility, and expertise in low-code and no-code solutions, as reflected in over 90% of reviews mentioning their punctuality and adherence to budget. Clients appreciate Perpetual’s ability to exceed expectations, with many highlighting their strong project management and responsiveness.
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$1,000+$25 - $49 / hr50 - 249Thorold, Canada
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See all 45 projectsComputan is a web development company specializing in custom website development, full-stack web development, and web application development. They have received mostly positive feedback, with 90% of reviewers highlighting their adaptability and ability to meet deadlines. Approximately 80% of reviews praise their technical expertise in platforms like WordPress, HubSpot, and Shopify, while some suggest improvements in communication and project updates.
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$50,000+$50 - $99 / hr50 - 249Agoura Hills, CA
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See all 117 projectsTechAhead is a web development company specializing in custom website and mobile app development, offering services like web design, front-end, and back-end development. Impressively, 100% of reviews praise their timely delivery and proactive communication, highlighting their commitment to understanding client needs and exceeding expectations. Notably, their ability to integrate advanced technologies such as AI and adapt to client-specific requirements is frequently commended.
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$5,000+$50 - $99 / hr10 - 49
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See all 92 projectsRapidDev is a web development company specializing in Web Application Development and Custom Website Development. With a remarkable track record, over 90% of reviews praise their project management, responsiveness, and ability to deliver solutions on time and within budget. Reviewers frequently commend their effective communication, adaptability, and technical expertise in transforming basic ideas into fully functional web applications.
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$50,000+$150 - $199 / hr50 - 249Frisco, TX
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See all 19 projectsFive Pack is a web development company specializing in custom website development and web application development. They are highly praised for their effective project management, responsiveness, and ability to exceed expectations with 100% positive feedback. Reviewers consistently highlight their proactive communication, problem-solving skills, and seamless integration into client teams, with 80% mentioning their tailored solutions and client-centric approach.
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$10,000+$50 - $99 / hr50 - 249Wrocław, Poland
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See all 47 projectsTechstack company specializes in full-stack web development, web design, and online development services. With a remarkable 100% positive feedback rate from clients, the reviews highlight their technical proficiency, practical thinking, and commitment to quality and long-term solutions. Notably, 90% of reviews emphasize their ability to deliver scalable, reliable, and customized systems that align with business needs.
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$10,000+$50 - $99 / hr10 - 49London, England
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See all 70 projectsSolar Digital is a proficient web development and design company, renowned for creating custom website solutions and enhancing brand identities. The company consistently receives positive feedback, with over 90% commendation for their timely delivery, innovative design approach, and strong project management skills. Clients appreciate their ability to improve business processes and enhance user engagement through Full-Stack Web Development and Web Application Development.
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Undisclosed$50 - $99 / hr1,000 - 9,999Tampa, FL
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See all 31 projectsNIX is a versatile software development company that excels in providing services such as full-stack web development, web application development, and custom website development. The company is highly praised across its reviews, with 100% positive feedback highlighting their technical expertise, effective project management, and exceptional communication skills. Clients frequently commend NIX for their adaptability and strong customer-oriented approach, making them a reliable partner for diverse development needs.
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$10,000+$50 - $99 / hr10 - 49Sisak, Croatia
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See all 29 projectsMater Agency is a web development company specializing in custom website development and web design. The agency is consistently praised for its innovative approach, flexibility, and strong project management skills. Across their reviews, 100% of clients mentioned timely delivery and responsiveness, while 60% highlighted their impressive adaptability in overcoming project challenges. Their dedication to client satisfaction consistently results in successful project outcomes.
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$10,000+$25 - $49 / hr50 - 249Santo Tomé, Argentina
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See all 19 projectsSerfe is a full-stack web development company specializing in custom website and web application development, including front-end and back-end development, for various industries. With a focus on reliability and technical expertise, they have received overwhelmingly positive feedback, with 100% of reviewers highlighting their communication, project management skills, and timely delivery. Clients appreciate their ability to handle complex projects while maintaining flexibility and responsiveness.
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$10,000+$25 - $49 / hr50 - 249Vilnius, Lithuania
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See all 5 projectsRichBrains is a web development company specializing in front-end development and web design. Their services have been consistently praised, with 100% of reviewers highlighting their ability to deliver projects on time and within budget. RichBrains is particularly noted for their effective communication and adaptability to project needs.
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$25,000+$50 - $99 / hr50 - 249Kyiv, Ukraine
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See all 28 projectsGlorium Technologies is a versatile software development company offering custom solutions in web and application development, including full-stack and front-end development. Overall, 100% of the reviews highlight their professionalism and effective communication, with 50% specifically mentioning their expertise in web development and application design. Clients consistently commend their ability to meet project goals, maintain timelines, and deliver high-quality, functional products.
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$10,000+$50 - $99 / hr250 - 999Kraków, Poland
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See all 32 projectsScalo is a full-stack web development company lauded for its skilled developers and effective project management. With a focus on providing external development resources, Scalo assists clients in Web Programming, Custom Website Development, and Front-End Development. Approximately 75% of feedback highlights their talent and timely delivery, while areas for improvement include code quality and equipment. Most clients appreciate Scalo’s balance between cost and quality.
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$25,000+$50 - $99 / hr50 - 249Gliwice, Poland
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See all 53 projectsArtkai is a full-stack web development company specializing in custom website development, web design, and web application development. They consistently receive high praise for their exceptional communication, professionalism, and adherence to timelines, with over 90% of reviews highlighting these aspects. Clients frequently commend their innovative approach, design-centric focus, and deep understanding of client needs, making Artkai a reliable choice for complex digital projects.
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$10,000+$50 - $99 / hr50 - 249Tallinn, Estonia
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See all 35 projectsBrocoders is a full-stack web development company that excels in custom website development, web application development, and front-end and back-end development. Reviews indicate a 100% positive feedback rate, highlighting their professional project management, responsiveness, and ability to align with client needs and values. Impressively, 70% of reviewers specifically commend their understanding of business challenges and effective communication.
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$5,000+$25 - $49 / hr50 - 249New York, NY
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See all 110 projectsHelpful Insight Private Limited is a versatile web development company specializing in web and application development, web design, and digital solutions. Across numerous reviews, 80% of clients praised their project management, innovation, and commitment to client satisfaction. While minor coding improvements were suggested by a few, the company's ability to deliver high-quality, custom web solutions on schedule is a recurring theme in the feedback.
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$5,000+$50 - $99 / hr10 - 49Montreal, Canada
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See all 21 projectsWebisoft is a full-stack development company excelling in Web Development and Web Application Development, known for its flexibility and reliable communication. With 100% positive feedback, clients praise their ability to deliver projects on time and their exceptional customer service. Notably, 100% of reviewers highlight their adaptability and impressive support during deployment.
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$10,000+$25 - $49 / hr50 - 249L'viv, Ukraine
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See all 58 projectsElifTech is a versatile web development company specializing in website development, web application development, and custom software solutions. Reviews indicate a strong emphasis on communication, problem-solving, and client satisfaction, with 90% of feedback being positive. Key themes include flexibility, adherence to deadlines, and the ability to adapt to complex project needs, making them a reliable partner for diverse technology projects.
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$25,000+$50 - $99 / hr10 - 49Brooklyn, NY
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See all 46 projectsJetRockets is a distinguished company specializing in Web Development, offering services such as Custom Website Development and Full-Stack Web Development. Based on reviews, approximately 80% of clients commend their proactive communication and ability to meet project timelines, while around 20% note areas for improvement in team continuity. Many reviewers highlight their commitment to supporting non-tech founders and their strong female leadership.
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$50,000+$50 - $99 / hr10 - 49Boulder, CO
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See all 27 projectsSwovo is a web development company known for its expertise in custom website development and full-stack web application development. Feedback from clients, predominantly positive, highlights their strong project management and timely delivery, with 100% of reviewers praising their ability to meet deadlines and their comprehensive understanding of client needs. Their proficiency in UI/UX design and agile methodologies is frequently recognized, contributing to successful project outcomes.
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$25,000+$100 - $149 / hr10 - 49Los Angeles, CA
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See all 32 projectsVrrb - Web & Product Design Agency is a comprehensive Web Development company specializing in custom Website Development, including Front-End and Back-End Development. Across various reviews, 100% of clients praised their professionalism, efficiency, and attention to detail, with many highlighting their seamless project management and ability to deliver within budget and on time. A significant 85% of reviewers mentioned improved user experience and increased online visibility post-implementation.
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$75,000+$150 - $199 / hr250 - 999Chicago, IL
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See all 21 projectsCodal is a versatile web development company specializing in custom website development, full-stack web development, and web application development across various industries. The reviews reveal a strong emphasis on project management, timely delivery, and expertise in both front-end and back-end development. Approximately 90% of clients commend Codal's ability to handle complex projects and enhance user experience, with minimal negative feedback reported.
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$1,000+$150 - $199 / hr10 - 49Vancouver, Canada
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See all 4 projectsHop Studios Inc. is a web development company specializing in custom website development, web application development, and ongoing website management. The firm is praised for its responsiveness, strong project management, and commitment to quality. With 100% positive feedback, clients commend the team's communication, timeliness, and ability to deliver tailored solutions, with 100% of reviewers highlighting their exceptional service and professionalism.
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$10,000+$100 - $149 / hr10 - 49Sacramento, CA
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See all 40 projectsThree29 is a full-service web development company specializing in custom website development, web design, and web application development. Clients consistently praise their exceptional project management, timely delivery, and responsiveness, with 100% of reviewers highlighting their effective communication and flexibility in accommodating client needs. Their expertise in creating user-friendly, dynamic websites that align with client goals has significantly enhanced online presence and engagement for many businesses.
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$10,000+$150 - $199 / hr10 - 49Beograd, Serbia
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See all 8 projectsIntellRocket is a full-stack web development company specializing in web design, web application development, and technical SEO. Across their reviews, 100% of clients praised their responsiveness, project management, and ability to deliver on time. Clients highlight their impressive technical skills and effective communication, with multiple reviewers noting their expertise in maintaining or improving Google Page Speed metrics and ensuring mobile optimization.
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$1,000+$100 - $149 / hr10 - 49Toronto, Canada
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See all 35 projectsThrillX is a web development company specializing in custom website development, web design, and online development services. The company boasts consistent positive feedback, with approximately 90% of reviews highlighting their professionalism, effective project management, and clear communication. Clients frequently commend ThrillX's ability to turn visions into reality, with 80% appreciating their flexibility and collaborative approach in web application development.
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$25,000+$50 - $99 / hr10 - 49Montevideo, Uruguay
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See all 22 projectsEffectus Software is a web development company specializing in full-stack web development and custom website development services. Clients consistently praise their effective communication, agile project management, and ability to adapt to changing requirements. With a 100% positive feedback rate from reviews, Effectus Software is commended for their professional collaboration, seamless integration with teams, and delivering projects on time and within expectations.
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$25,000+$100 - $149 / hr10 - 49Cluj-Napoca, Romania
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See all 41 projectsLinnify is a versatile web development company specializing in Web Application Development, Custom Website Development, and UI/UX design. With positive feedback in 100% of reviews, clients commend their structured project management, timely delivery, and technical expertise. Linnify excels in collaboration and innovative solutions, as highlighted by 70% of reviewers who appreciated their dedication and partnership approach in projects ranging from web apps to branding and full-stack development.
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$5,000+$25 - $49 / hr10 - 49Lahore, Pakistan
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See all 53 projectsChakor is a web development company specializing in custom website and web application development, with capabilities in front-end and back-end development. Reviews indicate a mixed performance, with 60% of clients praising their technical expertise, communication, and timely delivery, while 40% reported project management and communication challenges. Their ability to translate complex business models into functional digital platforms is frequently highlighted.
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$5,000+$25 - $49 / hr50 - 249Ahmedabad, India
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See all 61 projectsShaligram Infotech is a comprehensive web development company specializing in custom software solutions, full-stack web development, and web application development. The company consistently receives positive feedback, with approximately 90% of reviewers praising their project management, technical expertise, and client-focused approach. Many clients, about 80%, highlight their responsiveness and ability to deliver projects on time and within budget.
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$1,000+$25 - $49 / hr50 - 249Klemzig, Australia
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See all 17 projectsIncipient Infotech is a versatile web development company that excels in custom website development and full-stack web development services. With a strong focus on client satisfaction, 100% of reviewers commend their responsiveness, technical expertise, and ability to deliver projects on time. Clients particularly appreciate their innovative approach to web programming and their dedication to maintaining clear communication throughout each project.
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$5,000+$100 - $149 / hr10 - 49Encinitas, CA
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See all 27 projectsCollective42 is a professional web development company specializing in custom website development, web design, and web application development. Reviews indicate strong project management, outstanding communication, and responsiveness, with 100% positive feedback. Clients repeatedly highlight their prompt delivery and ability to exceed expectations while maintaining a close alignment with company values.
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$5,000+< $25 / hr50 - 249Mumbai, India
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See all 33 projectsIqonic Design is a versatile and highly rated web development company, excelling in custom website development, web application development, and front-end and back-end development. Approximately 100% of reviews highlight their exceptional customer support, timely delivery, and strong project management skills, often exceeding client expectations. Clients commend their ability to quickly resolve issues, align with business goals, and deliver scalable, high-quality solutions.
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$25,000+$150 - $199 / hr10 - 49Westborough, MA
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See all 24 projectsWakefly, Inc. is a web development company specializing in website development, web design, and backend and frontend web programming. The company is consistently praised for its reliability, responsiveness, and effective project management, with 100% of clients expressing satisfaction with their partnership. Additionally, 75% of reviewers highlight Wakefly's ability to improve website performance and increase user engagement, indicating strong performance in delivering measurable outcomes.
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$50,000+$150 - $199 / hr10 - 49Marlborough, MA
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See all 44 projects3 Media Web is a highly regarded web development company specializing in custom website development, web design, and online development, particularly using WordPress. With an impressive track record, 3 Media Web boasts a 100% positive feedback rate from clients who commend their efficient project management, strong communication, and exceptional service quality. Over 90% of reviewers highlight their ability to deliver high-quality, error-free work quickly while maintaining a client-centric, professional approach.
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List of the Top 15 JavaScript Development Companies
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$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
50% Web Development75% JavaScript50% Other -
$75,000+$100 - $149 / hr50 - 249Vancouver, Canada
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
90% Web Development50% JavaScript10% Other -
$25,000+$50 - $99 / hr50 - 249Kraków, Poland
Ability to deliver
39.5/40.019.6/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$10,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.4/40.019.6/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
45% Web Development60% JavaScript55% Other -
$10,000+< $25 / hr250 - 999Thiruvananthapuram, India
Ability to deliver
38.1/40.018.8/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
50% Web Development50% JavaScript50% Other -
$10,000+Undisclosed50 - 249San Francisco, CA
Ability to deliver
39.1/40.019.8/20 Reviews9.6/10 Clients & Experience9.7/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$10,000+$50 - $99 / hr50 - 249Montevideo, Uruguay
Ability to deliver
39.5/40.020/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
50% Web Development35% JavaScript50% Other -
$5,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
36.9/40.018/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$50,000+$100 - $149 / hr1,000 - 9,999San Francisco, CA
Ability to deliver
39.5/40.019.6/20 Reviews9.9/10 Clients & Experience10/10 Market PresenceService focus
15% Web Development25% JavaScript85% Other -
$10,000+$50 - $99 / hr50 - 249Kuala Lumpur, Malaysia
Ability to deliver
39.3/40.020/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
30% Web Development70% JavaScript70% Other -
$25,000+$25 - $49 / hr50 - 249Newark, DE
Ability to deliver
39.8/40.019.8/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
40% Web Development35% JavaScript60% Other -
$5,000+$50 - $99 / hr50 - 249Chicago, IL
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
35% Web Development40% JavaScript65% Other -
$10,000+$25 - $49 / hr250 - 999San Francisco, CA
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
15% Web Development40% JavaScript85% Other -
$50,000+$25 - $49 / hr50 - 249Kharkiv, Ukraine
Ability to deliver
36.8/40.017/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
45% Web Development50% JavaScript55% Other -
$1,000+< $25 / hr250 - 999Boston, MA
Ability to deliver
35.9/40.016.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
40% Web Development35% JavaScript60% Other -
$50,000+$50 - $99 / hr1,000 - 9,999L'viv, Ukraine
Ability to deliver
38.8/40.019/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
21% Web Development18% JavaScript79% Other -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
37.2/40.018.2/20 Reviews10/10 Clients & Experience9/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$25,000+$50 - $99 / hr1,000 - 9,999New York, NY
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Web Development33% JavaScript90% Other -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
36.4/40.016.8/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$10,000+< $25 / hr250 - 999Kolkata, India
Ability to deliver
36.3/40.019/20 Reviews9/10 Clients & Experience8.4/10 Market PresenceService focus
35% Web Development30% JavaScript65% Other -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
65% Web Development20% JavaScript35% Other -
$50,000+$150 - $199 / hr50 - 249New York, NY
Ability to deliver
38.2/40.018.4/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
100% Web Development30% JavaScript -
$100,000+$25 - $49 / hr250 - 999Cebu City, Philippines
Ability to deliver
38.7/40.020/20 Reviews10/10 Clients & Experience8.7/10 Market PresenceService focus
30% Web Development20% JavaScript70% Other -
$10,000+$25 - $49 / hr1,000 - 9,999Plano, TX
Ability to deliver
36.8/40.017.2/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$10,000+$25 - $49 / hr250 - 999New York, NY
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
28% Web Development15% JavaScript72% Other -
$10,000+$50 - $99 / hr10 - 49Warszawa, Poland
Ability to deliver
37.5/40.018.4/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
50% Web Development70% JavaScript50% Other -
$50,000+$150 - $199 / hr50 - 249Chelsea, Australia
Ability to deliver
35.9/40.016.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$1,000+< $25 / hr1,000 - 9,999London, England
Ability to deliver
36.5/40.019.2/20 Reviews9.3/10 Clients & Experience8/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$50,000+$150 - $199 / hr250 - 999Irvine, CA
Ability to deliver
36.2/40.016.2/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
30% Web Development30% JavaScript70% Other -
$25,000+$100 - $149 / hr50 - 249Long Beach, CA
Ability to deliver
36.2/40.018.2/20 Reviews10/10 Clients & Experience8/10 Market PresenceService focus
100% Web Development40% JavaScript
Top JavaScript Development Agencies
A JavaScript development company designs, builds, and maintains software products that rely on JavaScript across the stack. Teams typically handle front-end interfaces (React, Vue, or Angular), back-end services (Node.js, Express, NestJS), and database integrations. They translate business requirements into clean, maintainable code, implement third-party APIs, optimize performance, and provide ongoing support or feature enhancements. For startups, they may act as a dedicated product team; for enterprises, they often augment in-house engineers to accelerate delivery.
Most agencies bundle multiple offerings so clients can access full product life-cycle support:
- Discovery workshops & technical consulting
- UI/UX design and prototyping
- Front-end SPA or PWA development
- Server-side development with Node.js or Deno
- API design, GraphQL, and microservices architecture
- QA automation & performance testing
- DevOps, CI/CD, and cloud deployment (AWS, Azure, GCP)
- Post-launch maintenance and feature sprints
Some firms specialize in niches such as ecommerce storefronts, real-time dashboards, or IoT applications built with JavaScript frameworks like Next.js or Svelte.
Clutch data shows project budgets range widely:
- MVP or small web app - $15,000–$50,000
- Mid-size product build - $50,000–$200,000
- Enterprise-grade platform - $200,000–$1M+ | Hourly rates usually fall between $50–$149 depending on agency location, seniority, and specialization. Expect higher rates for U.S.-based teams and advanced services like real-time streaming or complex integrations.
- Align expertise: Verify experience with your required stack (e.g., React Native, TypeScript, serverless).
- Review case studies: Look for measurable outcomes—load-time reductions, user growth, or revenue lifts.
- Check communication style: Agile ceremonies, dedicated Slack channels, and transparent ticket tracking are green flags.
- Validate cultural fit: Long-term projects thrive when collaboration styles and time zones mesh.
- Compare total cost of ownership: Factor in maintenance, future scalability, and licensing—not just upfront build fees.
Shortlist 3-5 agencies on Clutch, schedule discovery calls, and request project roadmaps before signing an agreement.
- Guaranteed timelines without discovery
- No access to source code repositories during the engagement
- Outdated tech stacks (e.g., jQuery-only solutions for modern SPAs)
- Low developer retention or high turnover
- Vague pricing models or hidden fees
If an agency dismisses code reviews, ignores testing, or refuses to provide client references, proceed with caution
- Which JavaScript frameworks do you specialize in, and why?
- Can you walk me through a recent project with similar complexity?
- How do you ensure code quality—linting, peer reviews, automated tests?
- What is your approach to scalability and performance optimization?
- How will we communicate and track progress (tools, meeting cadence)?
- Who owns the intellectual property and source code upon project completion?
Clear answers reveal an agency’s maturity, processes, and commitment to delivering long-term value.
A freelancer is ideal for small fixes or short-term enhancements, offering lower overhead and flexible hours. Agencies provide multidisciplinary teams including project managers, UI designers, and QA engineers capable of delivering end-to-end solutions and scaling resources quickly. While agencies cost more, they reduce single-point-of-failure risk and accelerate time-to-market for complex products. How do JavaScript firms measure ROI? Common KPIs include page-load speed improvements, conversion rate uplifts, reduced infrastructure costs after code optimization, and user engagement metrics (session duration, churn reduction). Firms often set baseline metrics during discovery and provide post-launch analytics dashboards to demonstrate value.
Common KPIs include page-load speed improvements, conversion rate uplifts, reduced infrastructure costs after code optimization, and user engagement metrics (session duration, churn reduction). Firms often set baseline metrics during discovery and provide post-launch analytics dashboards to demonstrate value.