Top JavaScript Developers
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Featured
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$5,000+$25 - $49 / hr50 - 249London, EnglandServices provided
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See all 89 projectsDigis, a Fiverr company (NYSE: FVRR), specializes in Web Development, providing comprehensive services such as Front-End Development, Back-End Development, and Custom Website Development. Their reviews indicate a 100% satisfaction rate, highlighting their strong project management, technical expertise, and clear communication. Approximately 70% of reviewers emphasize their seamless integration into teams and high-quality deliverables.
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$10,000+$50 - $99 / hr10 - 49
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See all 14 projectsEpicmax is a web development company specializing in front-end and full-stack web development, including web application development and custom website development. The overall feedback is overwhelmingly positive, with clients praising their high-quality work, excellent communication, and professional team. Approximately 80% of reviewers highlight Epicmax's expertise and work ethic, and 60% commend their ability to meet deadlines and project goals.
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$5,000+$100 - $149 / hr10 - 49San Francisco, CA
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See all 2 projectsThomas Digital Web Design is a web development company specializing in custom website development and SEO optimization. Overall, 100% of reviewers highlight their effective workflow and exceptional value, with praises particularly focusing on their ability to significantly enhance organic search visibility, as evidenced by improved Google search rankings.
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$5,000+$50 - $99 / hr50 - 249
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See all 2 projectsMVP Lab is a software development company specializing in app development and algorithm creation. Clients appreciate their budget-friendly pricing, with 100% of reviewers highlighting successful project outcomes and effective communication. However, 50% suggest they could improve proactivity during project changes. The firm's flexibility and dedication to clients' specific needs are consistently praised.
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$25,000+$25 - $49 / hr250 - 999Warszawa, Poland
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See all 11 projectsFabrity is a web development company specializing in custom website development, web design, and web application development. They have received predominantly positive feedback, with reviewers highlighting their efficient communication, timely delivery, and expertise in .NET and Drupal technologies. About 67% of reviews commend their proficient project management and problem-solving capabilities. Some clients suggested a need for more holistic project advice.
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$5,000+$25 - $49 / hr10 - 49Kolkata, India
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See all 10 projectsProperWeb Technologies Pvt. Ltd. is a web development company specializing in website and web application development, particularly using WordPress and PHP. Overall, they have received positive feedback for their effective project management and communication skills, with 85% of reviewers noting their ability to understand and execute project requirements efficiently. Customers appreciate their responsiveness and reliability in delivering custom web applications.
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$5,000+$100 - $149 / hr2 - 9Geelong, Australia
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See all 3 projectsMainstay Digital is a web development company that excels in creating custom website solutions, offering full-stack web development services. As evidenced by the reviews, 100% of clients highlight their effective communication and timely project delivery. Their work led to enhanced customer engagement and increased revenue for clients, demonstrating their strong project management skills and ability to deliver on promises.
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$10,000+$100 - $149 / hr10 - 49Atlanta, GA
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See all 14 projects7Factor Software is a web development company specializing in web-based application development and custom website development. The reviews highlight their exceptional flexibility and collaboration, with 100% of feedback being positive, praising their ability to enhance project outcomes. Their expertise in Ruby on Rails and effective project adaptation contributed to increased revenue and customer retention for clients.
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$1,000+$50 - $99 / hr10 - 49Lahore, Pakistan
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See all 5 projectsZEREFLAB is a web development company renowned for its expertise in full-stack web development and web application development. The company receives overwhelmingly positive feedback, with 100% of reviewers praising its professionalism, communication, and ability to deliver projects within budget and on time. Clients commend ZEREFLAB's attention to detail and effective project management, with minor bugs being the only issue reported, which were promptly resolved.
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$1,000+$50 - $99 / hr10 - 49Colchester, England
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See all 3 projectsElement Softworks Ltd is a web development company specializing in custom website development and online branding solutions. They have received consistently positive feedback, with 100% of reviewers praising their ability to deliver professional and efficient web solutions, such as web application development and SEO services. Clients appreciate their project management capabilities and ability to understand and execute their vision.
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$10,000+$50 - $99 / hr2 - 9Bojnice, Slovakia
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See all 5 projectsArt4web is a web development company specializing in custom website development, web design, and online branding, as evidenced by their projects with companies like TECH-K and BioPak. Reviews highlight Art4web's professionalism, attention to detail, and exceptional project management. Approximately 100% of reviews emphasize their strong communication skills and ability to align with clients' visions, resulting in increased website traffic and user engagement.
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$1,000+Undisclosed50 - 249Da Nang, Vietnam
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See all 6 projectsENOSTA, a full-stack web development company, excels in creating custom website solutions and SEO services. They consistently deliver high-quality websites, as evidenced by 100% positive feedback from clients who commend their project management and responsiveness. Their work is praised for effective brand representation and generating significant traffic and customer engagement shortly after project completion.
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$25,000+$25 - $49 / hr10 - 49Yerevan, Armenia
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See all 6 projectsSoftShark is a web development company specializing in web application development, custom website development, and full-stack web development. The reviews indicate exceptional project management and communication, with 100% positive feedback highlighting their technical expertise and dedication to client satisfaction. Notably, 67% of reviewers praise their collaborative approach and adaptability in meeting project needs.
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$50,000+Undisclosed10 - 49Timișoara, Romania
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See all 5 projectsSoftState Technologies is a web development company specializing in custom website development and web application development. According to reviews, they are highly competent, responsive, and efficient, with 100% of feedback emphasizing their ability to integrate seamlessly into existing teams and deliver projects on time. Reviewers particularly appreciate their value for cost and skilled developers.
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$25,000+$25 - $49 / hr10 - 49Yerevan, Armenia
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See all 3 projectsInConcept Labs is a full-stack web development company specializing in custom website development and web application solutions. Reviews indicate a high level of client satisfaction, with approximately 90% of feedback being positive. Clients consistently praise their effective project management, innovative solutions, and technical expertise, while noting minor areas for improvement in future scalability planning.
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$5,000+$50 - $99 / hr10 - 49Yerevan, Armenia
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See all 3 projectsNovemBit is a proficient web development company excelling in custom website development, full-stack web development, and web application development. With 100% positive feedback, clients commend their punctuality, innovative solutions, and expertise in creating scalable websites and enhancing SEO capabilities. Reviewers consistently highlight NovemBit's impressive technical knowledge and responsive communication.
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$1,000+$25 - $49 / hr10 - 49Miami, FL
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See all 2 projectsCodieshub is a versatile web development company offering services such as web design, full-stack web development, and conversion rate optimization. Across their reviews, 100% of clients praised their effective communication and timely delivery, with 50% specifically highlighting the team's dedication and client-focused approach. Clients also commend Codieshub for their expertise and alignment with company values.
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$50,000+$25 - $49 / hr2 - 9București, Romania
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See all 1 projects360design is a full-stack web development company known for its technical expertise in creating custom website solutions and integrating complex systems like ERP. Their work has been described as revolutionary, with 100% of reviewers praising their ability to enhance business operations and customer engagement. The team's structured project management and modern design have significantly increased efficiency and sales for clients.
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$10,000+$100 - $149 / hr10 - 49Montréal, Canada
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See all 5 projectsCemiar Inc. is a web development company specializing in custom website development and automation solutions. They have received 100% positive feedback, with clients praising their technical expertise, innovative solutions, and exceptional project management. Notably, 50% of reviewers highlighted Cemiar's ability to understand and align with client needs, delivering personalized and automated systems efficiently.
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$25,000+Undisclosed10 - 49London, England
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See all 13 projectsTheodo is a web development company known for its expertise in creating custom website and web application solutions. Reviews indicate a positive reception, with approximately 90% of clients praising their agility, communication, and innovative problem-solving. While some mentioned challenges like high staff turnover, clients generally appreciated Theodo's ability to integrate seamlessly with their teams and deliver projects efficiently, often ahead of schedule.
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$25,000+$100 - $149 / hr10 - 49Brielle, Netherlands
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See all 7 projectsFuture Forward is a web development company specializing in Website Development, Web Design, and Custom Website Development. Feedback highlights mixed experiences, with 50% of reviews praising their timely delivery and expertise, leading to increased leads and visitors, while the other 50% criticize their project management and communication, citing unexpected costs and technical issues.
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$25,000+$25 - $49 / hr10 - 49Kyiv, Ukraine
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See all 10 projectsLember is a web development company known for its expertise in Custom Website Development, Full-Stack Web Development, and Web Application Development. The company receives overwhelmingly positive feedback, with 100% of reviewers praising their professionalism, responsiveness, and ability to deliver high-quality, user-friendly, and efficient web solutions on time and within budget. Their commitment to client satisfaction and transparent communication is consistently highlighted by clients.
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$1,000+$50 - $99 / hr50 - 249Dubai, United Arab Emirates
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See all 1 projectsStylemix FZ-LLC is a web development company specializing in WordPress customization and integration. Reviewers highlight their affordable pricing and high level of service, with 100% of feedback noting satisfaction with project outcomes. A common theme is the importance of clear communication due to potential time zone differences.
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$5,000+< $25 / hr10 - 49Ho Chi Minh City, Vietnam
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See all 9 projectsINNOMIZE is a versatile company specializing in web development services, including custom website development and full-stack web development. The company receives overwhelmingly positive feedback, with approximately 95% of reviewers highlighting their prompt project delivery and exceptional project management. Clients praise INNOMIZE for their innovative problem-solving skills, proactive communication, and cost-effective solutions, making them a trusted partner in web application development.
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$25,000+$25 - $49 / hr50 - 249Alexandria, Egypt
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See all 17 projectsRubikal is a full-stack web development company known for its expertise in web application development, front-end development, and back-end development. Across their Clutch.co reviews, 100% of clients praised their project management and high-quality deliverables, while 25% mentioned communication and availability as areas for improvement. Overall, they are recognized for their collaborative spirit and ability to integrate seamlessly with client teams.
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$5,000+$100 - $149 / hr10 - 49Seattle, WA
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See all 20 projectsSeattle New Media is a versatile web development company specializing in custom website and Webflow development, online integrations, and creative web design solutions. Their reviews are overwhelmingly positive, with over 90% of clients praising their strong project management, quick turnarounds, and excellent communication. Clients frequently commend their ability to address complex technical needs efficiently and affordably, with 70% noting their customer-first service and attention to detail.
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$25,000+$50 - $99 / hr10 - 49London, England
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See all 8 projectsContic, a web development company specializing in full-stack and custom website development, consistently delivers high-quality projects as reflected by their 100% positive feedback. Their clients commend their effective project management, responsiveness, and exceptional communication skills. Notably, their UX and web application development services are frequently highlighted for meeting and exceeding expectations.
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$10,000+$50 - $99 / hr10 - 49Ciudad de México, Mexico
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See all 28 projectsWe Are The Robots Inc is a web development company specializing in custom website development, web application development, and full-stack web development. With a 100% positive feedback rate, clients commend their professionalism, timely delivery, and excellent communication. Approximately 80% of reviewers highlight their ability to understand and meet client needs effectively.
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$10,000+$25 - $49 / hr10 - 49Jaipur, India
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See all 11 projectsBetter Software is a full-stack web development company specializing in custom web application development, front-end and back-end programming. Their clients consistently praise their excellent communication, project management, and the quality of their developers. Approximately 90% of reviewers commend their ability to meet project deadlines and understand client needs, highlighting their professionalism and technical expertise.
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$10,000+$50 - $99 / hr2 - 9Sisak, Croatia
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See all 12 projectsKreativa Studio is a web design and development company known for its expertise in front-end development and custom website solutions. With consistently high client satisfaction, 100% of reviewers praised their responsive communication and ability to meet project deadlines. Clients commend their skill in aligning with brand visions and delivering visually appealing, user-friendly websites tailored to unique client needs.
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$5,000+$25 - $49 / hr10 - 49Iași, Romania
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See all 6 projectsBrandweb is a web development company specializing in custom website development, web design, and web application development. Overall, 100% of reviewers express satisfaction, highlighting Brandweb's professionalism, timely delivery, and user-focused approach. Approximately 75% of clients commend their communication and project management skills, while 50% emphasize their flexibility and support beyond contractual obligations.
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$5,000+$100 - $149 / hr2 - 9
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See all 9 projectsfoleo Inc. is a comprehensive web development company specializing in custom website development, web design, and digital branding. With an emphasis on front-end and back-end development, the company has a consistent record of delivering quality web solutions, as evidenced by 100% positive feedback from clients. Notably, 80% of reviewers commend their project management and responsiveness, highlighting their effective communication and creative approach.
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$10,000+$25 - $49 / hr10 - 49Tampa, FL
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See all 4 projectsCalaton Systems is a web development company specializing in full-stack web and application development, offering services like custom website development and web programming. They receive overwhelmingly positive feedback, with clients praising their high-quality deliverables, timely project management, and collaborative work style. Approximately 100% of the reviews highlight their responsiveness and commitment to delivering quality solutions.
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$1,000+$25 - $49 / hr10 - 49
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See all 37 projectsSsquares Tech is a web development company that excels in Website Development and SEO services. With a 100% positive feedback rate, clients frequently praise their responsiveness, professionalism, and ability to deliver high-quality, custom websites and SEO optimization. Notably, 60% of reviewers highlight their technical expertise and customer-focused approach, emphasizing their capacity to exceed expectations consistently.
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$5,000+$25 - $49 / hr10 - 49Lahore, Pakistan
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See all 1 projectsMeshLogix Solutions is a web development company specializing in custom website development and full-stack web development. The reviews highlight their impressive loyalty and alignment with client goals, with 100% of feedback emphasizing timely delivery and responsiveness. Clients appreciate their commitment to understanding business logic, despite minor challenges in project estimation.
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$10,000+$100 - $149 / hr10 - 49Birmingham, England
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See all 2 projectsDevelo Design is a web development company specializing in custom website development, notably excelling in Magento site projects. They have received 100% positive feedback for their expertise in improving site speed and user experience, with clients particularly appreciating their efficient communication and project management skills.
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$5,000+$150 - $199 / hr10 - 49Chicago, IL
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See all 5 projectsPilot Digital Marketing is a versatile agency specializing in website development and digital marketing services. The client reviews highlight their expertise in full-stack web development, custom website development, and SEO. With 100% positive feedback, clients commend their transparency, reliability, and the ability to deliver high-quality, creative solutions that significantly improve website performance and user experience.
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$1,000+$25 - $49 / hr50 - 249Sumy, Ukraine
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See all 5 projectsUnilime Group is a web development company offering a comprehensive range of services, including Website Development, Custom Website Development, and Web Application Development. Reviews indicate a 100% positive feedback rate, highlighting swift execution and client satisfaction. Notably, 80% of reviewers commend their timely delivery and 60% appreciate their responsiveness and effective communication.
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$1,000+$50 - $99 / hr10 - 49Swansea, Wales
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See all 4 projectsThe Constant Media is a web development company specializing in custom website development, web design, and full-stack web development. Reviews highlight their strong problem-solving skills, adaptability, and ability to deliver innovative, technically sound web solutions. Positive feedback is overwhelmingly at 100%, with clients praising their dedication and ability to translate complex problems into understandable processes.
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$10,000+$25 - $49 / hr50 - 249Sahibzada Ajit Singh Nagar, India
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See all 42 projectsDebut Infotech is a versatile web development company excelling in custom website and full-stack web development. With a 100% positive feedback rate, reviewers consistently praise their attention to detail, exceptional project management, and innovative problem-solving capabilities. Their commitment to quality and client satisfaction is evident in delivering tailored solutions across various industries, including web application development and blockchain-backed platforms.
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$10,000+$50 - $99 / hr10 - 49Charlotte, NC
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See all 29 projectsFlynaut LLC is a web development company that offers services including web design, web programming, and custom website development. Reviews reveal contrasting experiences: 50% of clients praise their efficient project management, timely delivery, and effective communication, while others criticize delays, poor communication, and incomplete projects. Notably, 25% mention responsiveness as an area for improvement, impacting client satisfaction.
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$5,000+$25 - $49 / hr10 - 49Carteret, NJ
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See all 15 projectsNovumlogic Technologies Pvt Ltd is a full-stack web and application development firm recognized for its flexible and professional approach. Their custom website development and web application services have received predominantly positive feedback, with 100% of reviewers highlighting their reasonable pricing and impressive problem-solving skills. They are praised for their timely project delivery and effective communication, making them a preferred choice for diverse clients.
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Undisclosed$150 - $199 / hr10 - 49
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See all 10 projectsNew Lion is a web development company specializing in custom website and web application development, including front-end and back-end development. Reviews highlight their strong project management and communication skills, with 100% positive feedback emphasizing their professionalism and partnership approach. Clients appreciate their ability to understand non-technical needs and their commitment to integrating client feedback into their development process.
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$1,000+$25 - $49 / hr2 - 9Ciudad de Guatemala, Guatemala
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See all 7 projectsRedFox provides comprehensive services in website development, web design, and online development, including automation of workflows, database analysis, and new product development in the logistics and transportation industry. Reviews highlight RedFox's strong cultural alignment, efficient project management, and responsiveness, though they suggest scaling their team to meet growing demand.
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$5,000+$50 - $99 / hr10 - 49
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See all 2 projectsBlack Cat Technology is a distinguished web development company specializing in custom website development and web design. With a notable emphasis on timely delivery and communication, 100% of reviewers highlighted their satisfaction with project outcomes and deadlines. Their expertise in full-stack web development is complemented by exceptional attention to client needs, consistently delivering user-friendly solutions that enhance brand identity and online presence.
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$10,000+$25 - $49 / hr10 - 49Tandil, Argentina
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See all 10 projectsTuxdi is a web development company specializing in website development, web design, and UX/UI design, with a strong focus on client vision and brand representation. Reviews consistently highlight their collaborative approach and commitment, with approximately 100% of feedback being positive, emphasizing their ability to deliver on time and their proficiency in enhancing website performance and user experience.
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$25,000+$50 - $99 / hr50 - 249Wrocław, Poland
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See all 30 projectsSpyrosoft BSG is a versatile software development company renowned for its expertise in Custom Website Development, Web Application Development, and user-friendly solutions. A significant 100% of reviewers praised their agile project management and innovative approach, with frequent mentions of their ability to deliver projects on time and beyond expectations. Notably, 40% of reviews highlighted their exceptional communication and flexibility in meeting client needs.
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$50,000+Undisclosed50 - 249Berlin, Germany
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See all 2 projectsMVP Factory is a digital development company specializing in creating mobile applications for iOS and Android platforms. They have received overwhelmingly positive feedback, with clients praising their technical expertise and professional project management. Approximately 95% of reviewers highlight their effective communication and flexibility in aligning project goals, making them a preferred choice for businesses seeking rapid execution and reliable support.
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$10,000+$200 - $300 / hr2 - 9Carlsbad, CA
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See all 14 projectsCampground is a web development company known for its expertise in Web Design and Custom Website Development. Reviews highlight their professional project management, impressive design capabilities, and strong client engagement, with 100% positive feedback emphasizing successful outcomes and seamless collaboration.
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$10,000+$25 - $49 / hr50 - 249Kharkiv, Ukraine
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See all 20 projectsAcademy Smart is a web development company specializing in custom website development, full-stack web development, and web application development. The company consistently receives positive feedback, with 100% of reviews highlighting their strong communication, efficient project management, and timely delivery. Clients frequently commend their ability to align project goals with business needs and their commitment to delivering high-quality results.
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$25,000+$50 - $99 / hr10 - 49Jersey City, NJ
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See all 5 projectsFivewalls is a web development company specializing in backend development and custom software solutions. They have received overwhelmingly positive feedback, with 100% of reviews praising their professionalism, cultural fit, and responsiveness. Clients highlight the high quality of their code and their ability to seamlessly integrate and collaborate with client teams to achieve project goals.
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List of the Top 15 JavaScript Development Companies
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$25,000+$50 - $99 / hr50 - 249Kraków, Poland
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% 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 -
$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.5/40.019.6/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
45% Web Development75% JavaScript55% Other -
$10,000+< $25 / hr250 - 999Thiruvananthapuram, India
Ability to deliver
38.5/40.019.2/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
50% Web Development50% JavaScript50% Other -
$25,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
40% Web Development60% 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 -
$10,000+Undisclosed50 - 249San Francisco, CA
Ability to deliver
38.7/40.019.4/20 Reviews9.6/10 Clients & Experience9.7/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$25,000+< $25 / hr250 - 999Ahmedabad, India
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
65% Web Development20% JavaScript35% 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 -
$5,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
36.5/40.017.6/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% 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 -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
37.6/40.018.6/20 Reviews10/10 Clients & Experience9/10 Market PresenceService focus
40% Web Development50% JavaScript60% 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 -
$10,000+< $25 / hr250 - 999Kolkata, India
Ability to deliver
36.7/40.019.4/20 Reviews9/10 Clients & Experience8.4/10 Market PresenceService focus
35% Web Development30% JavaScript65% Other -
$50,000+$100 - $149 / hr1,000 - 9,999San Francisco, CA
Ability to deliver
38.7/40.018.8/20 Reviews9.9/10 Clients & Experience10/10 Market PresenceService focus
15% Web Development25% JavaScript85% Other -
$1,000+< $25 / hr250 - 999Walpole, 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 - 9,999New York, NY
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Web Development25% JavaScript90% Other -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
36.3/40.016.6/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$10,000+< $25 / hr250 - 999Hanoi, Vietnam
Ability to deliver
38.7/40.019.2/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
30% Web Development21% JavaScript70% Other -
$10,000+$25 - $49 / hr1,000 - 9,999Plano, TX
Ability to deliver
36.9/40.017.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$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 / hr250 - 999New York, NY
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
28% Web Development15% JavaScript72% Other -
$50,000+$150 - $199 / hr50 - 249Matlock, England
Ability to deliver
37.8/40.018/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
100% Web Development30% JavaScript -
$10,000+$50 - $99 / hr10 - 49Warszawa, Poland
Ability to deliver
37.3/40.018.2/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
50% Web Development70% JavaScript50% Other -
$50,000+$50 - $99 / hr1,000 - 9,999L'viv, Ukraine
Ability to deliver
38/40.018.2/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
21% Web Development18% JavaScript79% Other -
$10,000+$50 - $99 / hr10 - 49Montevideo, Uruguay
Ability to deliver
38.3/40.019.4/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
40% Web Development50% JavaScript60% 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+$25 - $49 / hr50 - 249Rickmansworth, England
Ability to deliver
38.9/40.019.2/20 Reviews10/10 Clients & Experience9.7/10 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.