Top JavaScript Developers
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$10,000+$150 - $199 / hr10 - 49Toronto, Canada
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See all 8 projects9thCO Inc. is a full-service web development company specializing in Custom Website Development, Web Application Development, and Web Programming. The firm has received overwhelmingly positive feedback, with approximately 95% of clients commending their punctuality, technical expertise, and commitment to client satisfaction. They are noted for enhancing user engagement and providing strong project management and collaboration skills, with minimal areas for improvement mentioned.
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$25,000+$50 - $99 / hr10 - 49București, Romania
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See all 36 projectsAtta Systems is a distinguished web and mobile development company specializing in Web Application Development, Custom Website Development, and Full-Stack Web Development. They are well-regarded for their professionalism and proactive approach, with 100% of reviewers expressing satisfaction and highlighting their effective project management. Clients appreciate their commitment to solving complex problems and their ability to integrate seamlessly as part of the client's team.
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$25,000+$25 - $49 / hr10 - 49Beograd, Serbia
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See all 13 projectsQwertify is a versatile company specializing in Web Development, Web Design, and Custom Website Development. Their services have garnered overwhelmingly positive feedback, with clients highlighting efficient project management and strong technical capabilities. Approximately 100% of reviews commend their collaborative approach and rapid issue resolution, though some suggest improvements in product expertise and documentation.
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$25,000+$50 - $99 / hr50 - 249Łódź, Poland
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See all 6 projectsHappy Team is a dynamic software development company offering IT consulting, mobile app development, and bespoke software solutions. They consistently receive positive feedback, with a notable emphasis on their professionalism and adaptability to clients' needs. Around 100% of reviewers highlight their effective communication and commitment to project timelines, while 80% commend their collaborative approach and technical expertise.
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$50,000+$150 - $199 / hr10 - 49Minneapolis, MN
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See all 19 projectsKRUTSCH is a full-service web development company offering custom website development, web application development, and mobile app creation. Clients describe KRUTSCH as responsive and attentive, with 83% praising their project management abilities. While some clients noted initial challenges, 67% highlighted the company's ability to adapt and meet their unique needs, resulting in successful project outcomes.
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$1,000+< $25 / hr10 - 49Dhaka, Bangladesh
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See all 39 projectsZAAG SYSTEMS is a web development company specializing in Website Development and Web Application Development. With 100% positive feedback, clients commend their responsive communication, timely delivery, and customer-centric approach. The company efficiently delivers high-quality, user-friendly websites and web applications, ensuring project success and meeting client expectations with their proactive recommendations and technical capabilities.
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$250,000+$200 - $300 / hr50 - 249Bozeman, MT
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See all 19 projectsVery is a full-stack web development company distinguished for its comprehensive website development and application services. Across reviews, 100% of clients expressed satisfaction with their communication and project management skills, noting their seamless team integration and ability to deliver user-centric solutions. While some mention scheduling constraints, the overall experience is overwhelmingly positive, highlighting their technical expertise and ease of collaboration.
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$1,000+$50 - $99 / hr2 - 9Mississauga, Canada
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See all 20 projectsCS Web Solutions is a versatile web development company offering services in website development, web design, and SEO. They have received overwhelmingly positive feedback, with 100% of reviewers commending their professionalism, timely delivery, and understanding of client needs. Clients appreciate their problem-solving abilities, responsiveness, and value for cost, making them a reliable choice for website and application development.
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$10,000+$100 - $149 / hr2 - 9Oregon City, OR
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See all 17 projectsIronGlove Studio is a web development company offering services such as custom website development, web design, and web application development. Reviews indicate a 100% positive feedback rate, highlighting their excellent project management, responsiveness, and hand-crafted solutions. Clients consistently praised Derek, the founder, for his direct communication and dedication, with 90% emphasizing his customer service and strategic insight.
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$10,000+$50 - $99 / hr10 - 49Castelldefels, Spain
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See all 7 projectsUnimedia Technology is a versatile web development company specializing in Web Application Development, Full-Stack Web Development, and UI design. Reviewers unanimously praise their responsiveness, technical expertise, and seamless integration with client teams, with 100% expressing satisfaction with their project management and deliverables. Clients appreciate their ability to enhance customer engagement and rapidly implement UI improvements.
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$50,000+$100 - $149 / hr10 - 49Austin, TX
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See all 8 projectsEureka Software is a custom website development company specializing in infrastructure, web application development, and modernization of existing platforms. They received overwhelmingly positive feedback for their commitment and personalized project management, with 100% of reviewers praising their responsiveness and project efficiency, despite one suggestion for providing a developer backup.
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$1,000+$25 - $49 / hr10 - 49Jaipur, India
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See all 22 projectsPrerna Trimurty Infotech Pvt. Ltd. is a web development company highly commended for its expertise in Website Development, Web Programming, and Full-Stack Web Development. Approximately 100% of reviews highlight their promptness, effective communication, and ability to meet deadlines. Clients consistently praise their problem-solving skills and seamless integration of custom solutions, making them a reliable choice for bespoke website and web application development projects.
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$1,000+$25 - $49 / hr10 - 49Sahibzada Ajit Singh Nagar, India
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See all 9 projectsUltivic Pvt Ltd is a comprehensive web development company specializing in front-end and back-end solutions, including custom software and website development. With 100% positive feedback, clients commend their technical excellence, seamless project management, and ability to deliver scalable, high-quality digital solutions. Their expertise in creating intuitive and feature-rich platforms is consistently highlighted by reviewers.
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$10,000+$25 - $49 / hr10 - 49Cluj-Napoca, Romania
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See all 7 projectsFloating Dots is a full-stack web development company specializing in custom website development, web application development, and frontend and backend development. Based on client reviews, 100% of the feedback is positive, highlighting their technical expertise, structured project management, and seamless integration with client teams. Notably, 80% of clients emphasize their ability to deliver projects on time and adapt to changing requirements efficiently.
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$5,000+$25 - $49 / hr10 - 49Kyiv, Ukraine
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See all 24 projectsFaster Than Light is a web development company that excels in custom web application development and full-stack solutions, with expertise in front-end and back-end development. Reviews highlight their strong project management and responsiveness, with 100% of reviewers noting their effective communication and dedication. Clients frequently praise the team's professionalism and ability to integrate seamlessly, acting as an extension of their own teams.
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$10,000+$50 - $99 / hr50 - 249Berlin, Germany
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See all 8 projectsProductDock AG is a web development company specializing in creating customer portals and online development solutions. Their reviews reflect a strong commitment to project management and flexibility, with approximately 80% of feedback highlighting timely delivery and adaptability, although some initial challenges in team composition were noted.
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$25,000+$150 - $199 / hr10 - 49Thousand Oaks, CA
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See all 3 projectsGhost Agency is a full-service web development company specializing in web design and online development. They have consistently received positive feedback, with reviewers highlighting their ability to deliver creative solutions and maintain effective communication. Notably, 100% of reviewers praise their project management and expertise, contributing to significant business growth and high lead conversion rates.
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$10,000+$50 - $99 / hr50 - 249San Francisco, CA
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See all 14 projectsKodexo Labs is a Web Development company excelling in Custom Website Development, Web Application Development, and Full-Stack Web Development. With a 100% satisfaction rate across their reviews, clients commend their professionalism, responsiveness, and ability to deliver quality projects on time. They are noted for their transparency and dedication to customer service, making them a reliable partner for web projects.
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$10,000+$150 - $199 / hr10 - 49Raleigh, NC
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See all 29 projectsLithios is a web development company specializing in custom website development and web application development with a strong focus on front-end and back-end development. Garnering overwhelmingly positive feedback, 100% of reviewers praise their timely delivery, professionalism, and creative solutions. Clients highlight their exceptional project management skills and the ability to exceed expectations while maintaining budgetary constraints.
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$50,000+$150 - $199 / hr10 - 49Harvey, LA
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See all 11 projectsSusco Solutions is a web application development company that specializes in transforming existing systems into accessible online platforms. The feedback indicates mostly positive experiences, highlighting their technical expertise and commitment, which saved over 100 hours weekly for clients. However, there were occasional project management challenges, though these were seen as common in large projects.
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$50,000+$100 - $149 / hr50 - 249New York, NY
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See all 26 projectsUtility is a full-stack web development company excelling in custom website development and web application development, noted for its proactive collaboration and high-quality execution across diverse projects. With over 90% positive feedback, clients commend Utility's attention to detail, effective project management, and their ability to adapt swiftly, often highlighting their innovative design and development capabilities.
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$10,000+$25 - $49 / hr50 - 249L'viv, Ukraine
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See all 44 projectsExoft is a proficient web development company specializing in services such as Full-Stack Web Development and Web Application Development. The company receives overwhelmingly positive feedback, with clients praising their proactive approach, strong communication, and high-quality results. Approximately 90% of reviewers highlight Exoft's dedication to delivering optimal solutions and commend their ability to integrate seamlessly with existing teams, though some suggest enhancing staffing resources to accommodate rapid scaling needs.
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$25,000+$50 - $99 / hr10 - 49Budapest, Hungary
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See all 12 projectsVeryCreatives - SaaS Development is a web development company specializing in custom website development, web application development, and full-stack web development. The reviews highlight their professionalism, responsiveness, and ability to meet project timelines and budgets, with 100% positive feedback emphasizing their effective project management and customer-focused approach. Clients appreciate their proactive communication and ability to integrate seamlessly with teams, making them a reliable partner for diverse web and software development projects.
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$25,000+$25 - $49 / hr10 - 49Barranquilla, Colombia
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See all 9 projectsWawandco is a web development company offering services such as full-stack web development and web application development. Positive feedback appears in 100% of reviews, with 67% highlighting their strong team culture and impressive project management skills. Clients commend Wawandco for delivering projects on time and creating user-friendly, scalable web solutions.
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$10,000+$50 - $99 / hr2 - 9Koog aan de Zaan, Netherlands
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See all 5 projectsRemote Reason is a web development company with expertise in custom website development, web application development, and full-stack web development. The company's reviews highlight its structured project management, effective communication, and strong problem-solving skills. Nearly 100% of the feedback is positive, with clients praising Remote Reason's honesty and ability to deliver on time.
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$1,000+$50 - $99 / hr10 - 49Indianapolis, IN
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See all 9 projectsKurieta LLC is a full-service Web Development and branding agency known for its comprehensive approach to Website Development, including Web Design and Custom Website Development. Reviews from clients consistently highlight their exceptional communication and project management skills, with 100% positive feedback regarding their responsiveness and ability to meet deadlines. Clients also appreciate Kurieta LLC's flexibility and personalized service, referencing their strategic branding recommendations and development expertise.
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$10,000+$100 - $149 / hr10 - 49Austin, TX
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See all 18 projectsJackrabbit Mobile is a web development company specializing in custom web application development and full-stack web development services. Reviewers consistently praise their transparent project management and ability to deliver projects on budget, with 100% reporting satisfaction with their professionalism and honesty. Many highlight their adeptness at adapting to unexpected challenges, making them a recommended choice for complex web and online development needs.
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$5,000+$100 - $149 / hr2 - 9Toronto, Canada
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See all 6 projectsCrushing Cones is a proficient web development company specializing in website design, custom website development, and SEO optimization. Their reviews highlight their creativity, technical expertise, and exceptional problem-solving skills, with 100% positive feedback. Clients consistently praise their timely delivery, personalized approach, and ability to exceed expectations, making them a highly recommended choice for web application development and online development projects.
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Undisclosed$25 - $49 / hr50 - 249Jaipur, India
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See all 15 projectsDeorwine Infotech is a comprehensive web development and mobile app company offering services such as Web Development, UI/UX Design, and API Integration. The majority of reviews (approximately 90%) highlight their exceptional project management and innovation, praising their professionalism and responsiveness. Clients commend their ability to deliver scalable, user-friendly digital solutions, with an average client growth of 3-4 times post-collaboration.
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$10,000+$100 - $149 / hr2 - 9Toronto, Canada
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See all 14 projectsThinkbound Inc. is a web development company specializing in creating custom website solutions, including web application development and online development services. With a 100% positive feedback rate from clients, the company is praised for its excellent communication, responsiveness, and ability to meet project goals. Around 75% of reviewers highlight their impressive project management and timely delivery. Clients commend Thinkbound Inc. for their integrity and expertise, consistently providing high-quality results and valuable technological insights.
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$10,000+$50 - $99 / hr10 - 49Reston, VA
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See all 39 projectsTechnology Rivers is a custom website development company specializing in web application development, UX/UI design, and full-stack web development. The company has received overwhelmingly positive feedback, with over 95% of reviews highlighting their responsiveness, bug-free deliverables, and strong project management. Clients consistently praise their exceptional communication, collaborative approach, and strategic advice in realizing client visions while staying within budget.
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$25,000+$25 - $49 / hr10 - 49Indore, India
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See all 18 projectseLEOPARD Solutions is a versatile web development company providing comprehensive services such as Custom Website Development, Web Design, and Full-Stack Web Development. Reviews indicate a 100% satisfaction rate, with clients consistently praising their responsiveness, technical expertise, and effective project management. Approximately 90% of reviewers commend their ability to deliver high-quality and innovative web solutions.
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$10,000+$50 - $99 / hr10 - 49Shimizu, Japan
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See all 4 projectsmaeBe co., Ltd is a Web Development company known for delivering custom website development solutions. They excel in managing complex projects, earning praise for their technical skills and reliability. With 100% positive feedback, clients particularly appreciate their prompt communication and innovative solutions, with 85% of reviewers highlighting their ability to efficiently manage and combine multiple online development projects.
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$50,000+$25 - $49 / hr50 - 249Bijeljina, Bosnia and Herzegovina
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See all 8 projectsitMedia is a web development company specializing in full-stack web and mobile platform development. They have consistently received positive feedback, with 100% of reviewers praising their professionalism, structured project management, and ability to deliver complex projects on time. Clients commend their commitment to quality and adaptability, making them a reliable partner for both small and large-scale projects.
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$25,000+$150 - $199 / hr10 - 49Palm Beach Gardens, FL
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See all 19 projectsIron Forge Development is a full-service agency specializing in Web Development, offering end-to-end solutions from design to deployment. With 100% of reviewers praising their adaptability and ability to deliver projects on time, they are lauded for their collaborative approach and strategic thinking. Their expertise in Custom Website Development and Web Application Development is consistently emphasized, showcasing their capability to handle complex technical challenges effectively.
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$25,000+$50 - $99 / hr50 - 249Ljubljana, Slovenia
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See all 9 projectsAgiledrop - EU-based Official Laravel Partner specializes in custom website development, providing services in both front-end and back-end development. The company consistently receives positive feedback, with a strong 100% of reviewers noting timely deliveries and effective project management. Clients frequently commend their professionalism and seamless integration with existing teams, highlighting their ability to enhance web platforms and improve user experiences.
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$5,000+$25 - $49 / hr10 - 49Sofia, Bulgaria
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See all 7 projectsCleverix - Software Engineering is a versatile software development firm specializing in quality assurance, custom CRM systems, microservices, and digital prototypes. Garnering a 100% satisfaction rate from clients, Cleverix is praised for its technical expertise, effective communication, and seamless integration into client workflows, making them a preferred partner for projects requiring reliable and proactive solutions.
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$5,000+< $25 / hr50 - 249Claymont, DE
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See all 30 projectsUncanny Consulting Services LLP is a web development company specializing in Website Development, Web Design, and custom Odoo development. Reviews highlight their high professionalism, strong technical expertise, and excellent project management. With over 90% of feedback being positive, clients commend their timely delivery, effective communication, and the ability to integrate seamlessly into their teams, often exceeding expectations.
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$5,000+$50 - $99 / hr10 - 49Rīga, Latvia
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See all 11 projectsUNECOS SOLUTIONS is a web development company that excels in custom website development and full-stack web development. They have demonstrated exceptional project management and adaptability, consistently delivering high-quality results on time. Across their reviews, 100% of clients praised their professionalism, responsiveness, and customer-centric approach, highlighting their strong ability to align with clients' business goals and requirements.
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$5,000+$25 - $49 / hr10 - 49Buenos Aires, Argentina
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See all 15 projectsZarego is a full-stack web development company specializing in custom website and web application development. With a 100% positive feedback rate, reviewers consistently praise their proactive project management, timely deliveries, and innovative solutions. Clients commend their fast response times and alignment with project needs, highlighting their effective communication and ability to exceed expectations.
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$5,000+$25 - $49 / hr10 - 49
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See all 13 projectsEsfera Design is a design consultancy specializing in UI/UX and workflow optimization. They are highly regarded for their flexibility, quality, and cultural fit, with 100% of reviews noting their strong project management and communication skills. Clients appreciate their ability to deliver on time and align with business goals, with 40% of reviews highlighting their impressive turnaround time and responsiveness.
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$25,000+$100 - $149 / hr50 - 249London, England
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See all 19 projectsPocket App is a full-stack web and mobile application development company known for its expertise in creating custom platforms, as evidenced by their work on a feature-rich recruitment app. Reviews highlight their proactive project management and technical proficiency, with 100% positive feedback on meeting deadlines and staying within budget. Most reviewers commend their forward-thinking approach, notably the project lead's ability to anticipate and address potential issues effectively.
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$5,000+$100 - $149 / hr2 - 9Kansas City, MO
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See all 2 projectsInternet Design and Publishing, Inc. is a versatile web design and development agency that excels in delivering SEO and website management services. The company is praised for its punctuality and professionalism, with 100% of reviewers highlighting their effective project management and the ability to meet deadlines and budgets. Overall, clients commend their technical expertise and customer-focused approach, contributing significantly to business growth and satisfaction.
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$50,000+$150 - $199 / hr10 - 49Berlin, Germany
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See all 12 projectsBoldheart is a distinguished web development company known for its expertise in Custom Website Development and Full-Stack Web Development. With a 100% positive feedback rate from clients, Boldheart is praised for its seamless integration with client teams, transparent communication, and a collaborative spirit that surpasses traditional client-vendor relationships. Their commitment to delivering innovative web solutions while maintaining strategic alignment with business goals is frequently highlighted by satisfied clients.
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$1,000+< $25 / hr50 - 249Jaipur, India
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See all 12 projectsAmbient Infotech is a web development company specializing in custom website development and eCommerce solutions. The overall feedback is overwhelmingly positive, with 95% of deliverables completed on time and user satisfaction reaching 90%. Clients commend their technical precision, project management, and ability to align with brand identity, though some suggest more documentation for post-launch training.
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$10,000+$50 - $99 / hr2 - 9Milano, Italy
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See all 6 projectsColla Studio is a web development company specializing in custom website development and web application development. They are commended for their ability to deliver innovative solutions and meet complex project requirements, with positive feedback from 100% of reviewers regarding their communication and project management skills. Their expertise in transforming technical concepts into engaging digital experiences is frequently highlighted by clients.
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$75,000+$50 - $99 / hr50 - 249Zagreb, Croatia
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See all 13 projectsDECODE is a Web Development company specializing in Full-Stack Web and Mobile Application Development, with a focus on backend infrastructure and complex mobile app scalability. Overall, client reviews are overwhelmingly positive, with 100% praising their expertise, seamless integration with client teams, and innovative development paradigms. DECODE's work in Website Development and maintaining backend systems is notably well-regarded, contributing significantly to improved app usability and feature enhancement.
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$50,000+$100 - $149 / hr50 - 249Sydney, Australia
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See all 33 projectsAppello Software is a versatile web development company specializing in custom website and web application development, offering front-end and back-end solutions across various industries. Reviews reveal a pattern of satisfaction with their design quality and project management, with an 85% positive feedback rate highlighting their efficiency and collaborative approach. However, approximately 15% of clients noted issues with initial budgeting estimates.
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$5,000+$50 - $99 / hr10 - 49Baar, Switzerland
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See all 12 projectsBertoni Solutions is a web development company specializing in Web Application Development and Full-Stack Web Development. The feedback from clients is overwhelmingly positive, with 100% of reviewers praising their effective communication and design capabilities. However, some challenges with specialized requirements like CAD file handling and quality assurance were noted but ultimately resolved.
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$5,000+$25 - $49 / hr10 - 49Ahmedabad, India
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See all 15 projectsAnglara Digital Solutions is a web development company known for its expertise in custom website development, front-end, and back-end development. Their reviews on Clutch.co demonstrate a 100% satisfaction rate, with clients praising their excellent communication, professional behavior, and timely project delivery. Approximately 80% of reviewers highlighted their ability to deliver user-friendly web solutions and impressive design enhancements.
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List of the Top 15 JavaScript Development Companies
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$75,000+$100 - $149 / hr50 - 249Vancouver, Canada
Ability to deliver
38.7/40.020/20 Reviews10/10 Clients & Experience8.7/10 Market PresenceService focus
90% Web Development50% JavaScript10% Other -
$25,000+$50 - $99 / hr50 - 249Kraków, Poland
Ability to deliver
35.9/40.019/20 Reviews10/10 Clients & Experience6.9/10 Market PresenceService focus
60% Web Development50% JavaScript40% Other -
$10,000+$25 - $49 / hr250 - 999Bengaluru, India
Ability to deliver
37.2/40.020/20 Reviews10/10 Clients & Experience7.2/10 Market PresenceService focus
20% Web Development40% JavaScript80% Other -
$5,000+$50 - $99 / hr50 - 249Maribor, Slovenia
Ability to deliver
35.1/40.020/20 Reviews10/10 Clients & Experience5.1/10 Market PresenceService focus
40% Web Development100% JavaScript60% Other -
$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
34.1/40.018.4/20 Reviews10/10 Clients & Experience5.7/10 Market PresenceService focus
45% Web Development75% JavaScript55% Other -
$25,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
34.5/40.018.8/20 Reviews10/10 Clients & Experience5.7/10 Market PresenceService focus
40% Web Development60% JavaScript60% Other -
$10,000+< $25 / hr250 - 999Hanoi, Vietnam
Ability to deliver
35.9/40.018.8/20 Reviews10/10 Clients & Experience7.1/10 Market PresenceService focus
30% Web Development21% JavaScript70% Other -
$1,000+< $25 / hr250 - 999Walpole, MA
Ability to deliver
32.8/40.016.2/20 Reviews10/10 Clients & Experience6.6/10 Market PresenceService focus
40% Web Development35% JavaScript60% Other -
$10,000+$50 - $99 / hr10 - 49London, England
Ability to deliver
34.8/40.018.6/20 Reviews10/10 Clients & Experience6.2/10 Market PresenceService focus
50% Web Development90% JavaScript50% Other -
$100,000+$25 - $49 / hr250 - 999Cebu City, Philippines
Ability to deliver
35.6/40.020/20 Reviews10/10 Clients & Experience5.6/10 Market PresenceService focus
30% Web Development20% JavaScript70% Other -
$25,000+< $25 / hr250 - 999Ahmedabad, India
Ability to deliver
37/40.019.6/20 Reviews10/10 Clients & Experience7.4/10 Market PresenceService focus
45% Web Development10% JavaScript55% Other -
$5,000+$25 - $49 / hr50 - 249Warszawa, Poland
Ability to deliver
32.3/40.017.2/20 Reviews10/10 Clients & Experience5.1/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$5,000+$50 - $99 / hr50 - 249Chicago, IL
Ability to deliver
35.6/40.019.6/20 Reviews10/10 Clients & Experience6/10 Market PresenceService focus
35% Web Development40% JavaScript65% Other -
$10,000+$50 - $99 / hr50 - 249Amsterdam, Netherlands
Ability to deliver
34.9/40.019.8/20 Reviews10/10 Clients & Experience5.1/10 Market PresenceService focus
30% Web Development70% JavaScript70% Other -
$10,000+$25 - $49 / hr1,000 - 9,999Plano, TX
Ability to deliver
33.6/40.016.8/20 Reviews10/10 Clients & Experience6.8/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$25,000+$25 - $49 / hr50 - 249Newark, DE
Ability to deliver
35.5/40.018.8/20 Reviews10/10 Clients & Experience6.7/10 Market PresenceService focus
40% Web Development35% JavaScript60% Other -
$10,000+$25 - $49 / hr250 - 999New York, NY
Ability to deliver
36.2/40.020/20 Reviews10/10 Clients & Experience6.2/10 Market PresenceService focus
30% Web Development15% JavaScript70% Other -
$10,000+$50 - $99 / hr50 - 249San Francisco, CA
Ability to deliver
32.6/40.018.8/20 Reviews8.3/10 Clients & Experience5.5/10 Market PresenceService focus
55% Web Development45% JavaScript45% Other -
$50,000+$50 - $99 / hr1,000 - 9,999L'viv, Ukraine
Ability to deliver
36.3/40.017.6/20 Reviews10/10 Clients & Experience8.8/10 Market PresenceService focus
15% Web Development18% JavaScript85% Other -
$10,000+$50 - $99 / hr50 - 249Montevideo, Uruguay
Ability to deliver
33.8/40.018.6/20 Reviews10/10 Clients & Experience5.2/10 Market PresenceService focus
50% Web Development35% JavaScript50% Other -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
33.1/40.017.8/20 Reviews10/10 Clients & Experience5.3/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$50,000+$50 - $99 / hr1,000 - 9,999New York, NY
Ability to deliver
35.7/40.020/20 Reviews10/10 Clients & Experience5.7/10 Market PresenceService focus
10% Web Development25% JavaScript90% Other -
$25,000+$50 - $99 / hr10 - 49Poznań, Poland
Ability to deliver
33.8/40.017/20 Reviews10/10 Clients & Experience6.8/10 Market PresenceService focus
50% Web Development60% JavaScript50% Other -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
31.9/40.016.4/20 Reviews10/10 Clients & Experience5.5/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$50,000+$25 - $49 / hr50 - 249Kharkiv, Ukraine
Ability to deliver
31.9/40.016.2/20 Reviews10/10 Clients & Experience5.7/10 Market PresenceService focus
45% Web Development50% JavaScript55% Other -
$50,000+$150 - $199 / hr50 - 249New York, NY
Ability to deliver
31.9/40.015.8/20 Reviews10/10 Clients & Experience6.1/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$50,000+$100 - $149 / hr1,000 - 9,999San Francisco, CA
Ability to deliver
33.9/40.017.2/20 Reviews9.9/10 Clients & Experience6.8/10 Market PresenceService focus
15% Web Development25% JavaScript85% Other -
$10,000+$25 - $49 / hr50 - 249Kraków, Poland
Ability to deliver
33.8/40.018.8/20 Reviews10/10 Clients & Experience5/10 Market PresenceService focus
30% Web Development50% JavaScript70% Other -
$5,000+$25 - $49 / hr250 - 999Jaipur, India
Ability to deliver
37.4/40.020/20 Reviews10/10 Clients & Experience7.4/10 Market PresenceService focus
10% Web Development25% JavaScript90% Other -
$25,000+$100 - $149 / hr50 - 249Santa Clara, CA
Ability to deliver
35.1/40.017.8/20 Reviews10/10 Clients & Experience7.3/10 Market PresenceService focus
60% Web Development20% JavaScript40% Other
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.