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+$25 - $49 / hr10 - 49Bratislava, Slovakia
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See all 7 projects8BITES.CO is a web development company excelling in custom website development, web design, and web application development. Across multiple reviews, 100% of clients praised their effective communication, timely delivery, and expertise. Notably, 80% highlighted their ability to understand and fulfill client needs with innovative solutions, while maintaining high professional standards and customer satisfaction.
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$5,000+$25 - $49 / hr250 - 999India
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See all 1 projectsCedCommerce is a web development company specializing in improving website aesthetics and speed, as demonstrated by their work with an online guitar and bass gear store. With a focus on effective project management and responsiveness, 100% of the feedback highlights their pleasant collaboration and the quality improvements made to the client’s website.
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$1,000+$25 - $49 / hr50 - 249Surat, India
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See all 12 projectsSoftpulse Infotech Pvt. Ltd. provides services in Website Development, Web Design, and Web Programming. Clients consistently praise the company for its talented and responsive team, especially noting their ability to bring ideas to fruition and their effective project management. The recurring themes include high satisfaction with the creative inputs and the smooth, reliable development process.
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$5,000+$25 - $49 / hr50 - 249Kyiv, Ukraine
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See all 2 projectsGNS IT is a software development company specializing in full-cycle ERP solutions. They have received overwhelmingly positive feedback, with clients praising their responsiveness, high-quality work, and ability to tailor systems to meet specific needs. Approximately 100% of reviewers commend their effective communication and project management skills, leading to successful collaborations without notable areas for improvement.
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$25,000+$50 - $99 / hr50 - 249Prague, Czech Republic
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See all 19 projectsCorpsoft Solutions is a versatile web development company specializing in custom website development, full-stack web development, and web application development. Their reviews highlight exceptional project management and technical expertise, with 100% success in project delivery and positive feedback on their responsiveness and communication. However, some reviews suggest improvements in quality assurance and communication clarity.
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$1,000+< $25 / hr50 - 249Kampala, Uganda
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See all 2 projectsLoft is a web development company specializing in creating dynamic and responsive web applications. With a focus on full-stack web development, they have successfully launched platforms like Tillage.io, and improved client traffic by up to 30%. Over 90% of the feedback highlights their impressive project management and adaptability to client needs.
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$1,000+< $25 / hr10 - 49Ahmedabad, India
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See all 15 projectsRaindrops Infotech is a web development company specializing in Custom Website Development, Full-Stack Web Development, and Web Application Development. Consistently praised for their problem-solving abilities and responsiveness, they maintain effective communication and timely delivery, with 90% of projects completed on schedule. Clients appreciate their design solutions and technical skills, with no significant areas for improvement noted across reviews.
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$100,000+$150 - $199 / hr10 - 49Beaverton, OR
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See all 8 projectsFour Kitchens is a web development company specializing in Drupal-based solutions, offering services such as full-stack web development, custom website development, and web application development. The reviews reflect a strong emphasis on quality, with approximately 90% of reviewers commending their code integrity and team integration. Clients consistently praise their foresight and problem-solving capabilities, enhancing both front-end and back-end development projects.
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Undisclosed$25 - $49 / hr50 - 249Chernivtsi, Ukraine
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See all 10 projectsAlterEGO provides comprehensive web development, web design, and online development services. Their clients consistently highlight their reliable project management, timely delivery, and excellent communication. AlterEGO's ability to offer tailored solutions and seamless integration of new systems has resulted in improved productivity and customer satisfaction across various projects.
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$50,000+$50 - $99 / hr10 - 49
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See all 9 projectsAxmit is a versatile web development company specializing in custom website development and full-stack web development services. Reviewers highlight their strong communication, timely delivery, and deep involvement in business goals, with 100% of reviewers praising their project management. Notably, 60% of clients mentioned significant improvements in performance metrics due to Axmit's contributions.
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$50,000+$50 - $99 / hr50 - 249Warszawa, Poland
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See all 17 projectsMainsoft is a web development company specializing in web application development, front-end and back-end development, and custom website development. Overall, 100% of feedback is positive, highlighting their proficient developers, responsiveness, and cost-effective services. Reviewers consistently praise their adherence to timelines, effective communication, and high-quality code, with no areas for improvement specified.
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$5,000+$25 - $49 / hr10 - 49
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See all 3 projectsSamsonOS is a web development company specializing in custom website development, full-stack and web application development services. Feedback indicates a high level of client satisfaction, with approximately 90% of reviewers appreciating their flexibility, attentiveness, and reliable project management. Clients commend SamsonOS for their ability to deliver complex projects on time while maintaining transparency and effective communication.
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$5,000+$25 - $49 / hr50 - 249
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See all 3 projectsGoorkit is a web development company specializing in front-end development, web application development, and custom website development. Garnering strong positive feedback, 100% of reviewers praised their timely delivery, efficient project management, and skilled developers. Their ability to maintain clear communication and align with client needs is consistently highlighted across reviews.
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$10,000+$25 - $49 / hr10 - 49
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See all 9 projectsEzetech is a web development company specializing in custom website development, full-stack web development, and web application development. They have received predominantly positive feedback for their technical expertise, with clients praising their ability to handle complex projects and their proactive approach—evident as 100% of reviewers noted their technical savvy and dedication to client success. However, communication and timeliness could be improved, as mentioned by some reviewers.
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$75,000+$50 - $99 / hr2 - 9
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See all 5 projectsSecret Mission Software is a proficient software development company specializing in web and mobile app development, systems integration, and architecture design. The reviews reveal a consistent theme of effective communication, professionalism, and prompt delivery, with 100% positive feedback on their ability to exceed expectations and deliver within set timelines and budgets. Clients praise their strategic input and commitment to project success.
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Undisclosed$25 - $49 / hr10 - 49
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See all 2 projectsDevEngineering is a Web Development company specializing in Drupal and open-source platforms, offering services in systems architecture and online development. Reviews highlight their adeptness in Drupal architecture and effective project management, with 100% positive feedback on timely delivery and adherence to best practices. However, suggestions for expanding their project management team were noted.
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$10,000+$25 - $49 / hr10 - 49Noida, India
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See all 13 projectsDreamer Technoland is a versatile web development company specializing in custom software and web application development. With a high level of professionalism and a hands-on approach, they have received positive feedback for their expertise and commitment. Clients appreciate their rapid response, effective communication, and ability to deliver projects on time, with 100% of reviews highlighting their understanding of industry-specific needs and excellent project management skills.
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$50,000+$100 - $149 / hr10 - 49Manchester , England
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See all 3 projectsSilverchip is a versatile software development company specializing in innovative digital solutions such as VR experiences and integrated data architectures. With overwhelmingly positive feedback from clients, Silverchip is praised for its expertise, timely delivery, and ability to manage projects from start to finish. Approximately 100% of reviewers highlight their technical proficiency and client communication as standout qualities, underscoring their reputation as a reliable partner in complex technological projects.
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$5,000+$100 - $149 / hr10 - 49Toronto, Canada
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See all 27 projectsEggs Media is a web development company specializing in custom website development and web design, often using WordPress as a platform. Across their reviews, they receive overwhelmingly positive feedback, with clients often praising their communication, project management, and technical expertise. Approximately 85% of reviewers highlight their responsiveness and willingness to accommodate specific requests, while about 70% commend their ability to deliver customized web solutions that align with client objectives.
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$5,000+< $25 / hr10 - 49
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See all 8 projectsAppradius is a full-stack web development company specializing in web application development and custom website development. Reviews highlight their innovative approach, impressive technical expertise, and strong project management skills. They consistently deliver user-friendly solutions, with 100% of reviewers noting their outstanding design capabilities and effective communication. Clients appreciate their proactive guidance and responsiveness, resulting in high satisfaction with minimal areas for improvement.
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$10,000+$150 - $199 / hr50 - 249
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See all 5 projectsLullabot is a web development company specializing in custom website development, particularly with Drupal. Their exceptional expertise and professionalism are consistently praised across client reviews, with approximately 95% of the feedback being positive. Clients commend Lullabot for their strong project management, seamless communication, and ability to deliver complex projects on time and without post-launch issues. Their proficiency in web programming and full-stack development is frequently highlighted.
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$25,000+$50 - $99 / hr10 - 49Brno, Czech Republic
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See all 7 projectsUtima Solutions is a web development company specializing in web-based AI applications and custom website development. The company is praised for its technical expertise and human-centered design, achieving over 90% positive feedback for usability and clarity. Clients appreciate their timely delivery and ability to create intuitive systems tailored to unique workflows.
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$10,000+$25 - $49 / hr10 - 49Tallinn, Estonia
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See all 7 projectsElmoSoft is a versatile software development and test automation company, praised for its high-quality deliverables and seamless integration into client teams. With a focus on test automation and QA, they consistently meet project deadlines and requirements, as highlighted in 100% of reviews. Clients commend their technical expertise and ability to enhance product reliability and efficiency. Their value-for-cost is frequently noted as a deciding factor in selection.
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$1,000+$25 - $49 / hr2 - 9L'viv, Ukraine
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See all 7 projectsDeviart - white label WordPress development agency is a specialized web development company known for its custom website development services. With a 100% positive feedback rate, clients commend their timely delivery, excellent communication, and seamless integration of complex web designs. Approximately 80% of reviewers highlight their impressive responsiveness and ability to deliver high-quality, user-friendly, and media-rich websites within budget constraints.
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$1,000+$25 - $49 / hr10 - 49Kharkiv, Ukraine
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See all 13 projectsITSUA is a web development company providing services such as full-stack web development, custom website development, and web application development. With overwhelmingly positive feedback, 100% of reviewers highlight their responsiveness, technical expertise, and capacity to deliver projects on time and within budget. Clients appreciate their proactive collaboration and ability to handle diverse project requirements efficiently.
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Undisclosed$100 - $149 / hr10 - 49Vaughan, Canada
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See all 7 projectsApiqu is a web development company specializing in Sitecore solutions, offering services such as front-end development, back-end development, and custom website development. According to reviews, 100% of clients commend Apiqu for their expertise, responsiveness, and seamless integration into projects. While most feedback highlights their strong technical skills and effective communication, a few suggest improvements in budgeting transparency and timeline estimation.
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$10,000+$100 - $149 / hr2 - 9København, Denmark
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See all 15 projectsRuby Studio is a web development company that excels in delivering custom website solutions, with a focus on full-stack web development and web design. Reviews highlight client satisfaction with their ability to understand and meet diverse project needs, timely delivery, and impressive project management. Over 90% of the feedback is positive, frequently praising their responsive communication and tailored approach to client requirements.
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$50,000+$100 - $149 / hr10 - 49Vancouver, Canada
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See all 11 projectsConvergence is a full-stack web development company specializing in custom website development, web application development, and web programming. The company consistently receives positive feedback, with reviewers praising their project management, customer service, and technical expertise. Notably, 100% of reviewers commend their responsiveness and ability to meet project requirements, while 67% mention their CEO's proactive involvement in ensuring project success.
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$10,000+$25 - $49 / hr10 - 49Kraków, Poland
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See all 1 projectsSpinney is a web development company specializing in custom website development and web application development. They receive overwhelmingly positive feedback, with over 90% of reviewers praising their innovative solutions and effective project management. Spinney is noted for enhancing operational efficiency and customer satisfaction through tailored, full-stack web development services.
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$1,000+$25 - $49 / hr10 - 49Buenos Aires, Argentina
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See all 7 projectsSmallcode is a web development company specializing in custom website development and web application solutions. With consistently positive feedback from all reviewers, Smallcode is praised for their exceptional project management, communication, and problem-solving skills. Approximately 100% of reviewers commend their ability to meet deadlines, adapt to client needs, and deliver high-functioning websites, demonstrating a strong commitment to client satisfaction.
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$1,000+< $25 / hr10 - 49Surat, India
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See all 3 projectsSapient Codelabs is a full-stack web development company specializing in website development, web design, and custom website development. With a focus on responsive design and SEO optimization, 90% of reviewers praised their ability to combine technical expertise with business understanding. Clients noted their professional project management and responsiveness, though some suggested improvements in iterative feedback loops and documentation.
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$25,000+$50 - $99 / hr2 - 9Varna, Bulgaria
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See all 9 projectsWolloW is a web development company specializing in custom website development, web application development, and both front-end and back-end development. The company has received overwhelmingly positive feedback, with 100% of reviewers praising their customer-oriented approach, flexibility, and precise project management. Clients appreciate their innovative solutions and ability to address unexpected challenges effectively.
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$10,000+$100 - $149 / hr10 - 49Miami, FL
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See all 17 projectsOneSeven Tech is a distinguished Web Development company specializing in Full-Stack Web Development, Custom Website Development, and Web Application Development. The feedback is overwhelmingly positive, with 100% of reviewers highlighting their professionalism, dedication, and effective communication. They are praised for their ability to deliver projects on time and within budget, while also demonstrating flexibility and a deep understanding of client needs.
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$10,000+< $25 / hr10 - 49Noida, India
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See all 18 projectsBrainMobi is a web development company excelling in tailored web solutions, including custom website development and web application development. Their reviews highlight high-quality service, effective communication, and a commitment to project goals. The majority of clients appreciate their affordability and professionalism, although some suggest improvements in deadline adherence and proactive input. Approximately 70% of reviewers commend their dedication and 24/7 availability.
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$10,000+$50 - $99 / hr10 - 49Kuala Lumpur, Malaysia
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See all 5 projectsShortcut Asia is a software development company specializing in mobile and web applications, with expertise in technologies like React Native, AWS, and Ruby on Rails. They are praised for their speed, quality, and effective communication, with 100% of reviews highlighting their impressive project management and problem-solving capabilities. However, some reviews suggest improvements in scope definition and initial user story detail.
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$5,000+$200 - $300 / hr2 - 9Tustin, CA
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See all 11 projectsPixel Jar is a web development company specializing in website design, custom website development, and full-stack web development services, with a strong focus on WordPress platforms. Their reviews highlight an impressive 100% positive feedback rate, emphasizing their exceptional communication, efficient project management, and ability to deliver innovative solutions. Many clients appreciate their reliability and dedication to ensuring project success, with several noting significant improvements in site performance and user experience.
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$50,000+$50 - $99 / hr50 - 249Luts'k, Ukraine
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See all 7 projectsideil is a digital solutions company specializing in software development, web and mobile applications, and branding services. Reviews indicate a high level of satisfaction, with 100% positive feedback highlighting their creativity, strategic thinking, and adherence to deadlines. Approximately 30% of reviewers note ideil's ability to provide innovative solutions and excellent post-launch support. Clients appreciate their proactive communication and seamless integration into existing teams.
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$50,000+$50 - $99 / hr50 - 249Kyiv, Ukraine
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See all 38 projectsJatApp is a versatile software development company specializing in web and mobile application development. The feedback from clients highlights their professionalism, with an emphasis on structured project management and effective communication. A significant 100% of reviewers praised JatApp for their adaptability and ability to integrate seamlessly with existing systems, while providing valuable insights and solutions throughout the development process.
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$10,000+$25 - $49 / hr10 - 49San Pedro Garza García, Mexico
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See all 25 projectsKirana Labs is a web development company specializing in custom web and mobile application development, often utilizing technologies like React Native and Django. Across three reviews, clients commend their project management and communication skills, with 100% of reviewers highlighting their professionalism and ability to meet deadlines. Clients value their strategic planning and alignment with client needs, although some suggest faster delivery times for completed projects.
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$5,000+$25 - $49 / hr50 - 249Pune, India
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See all 17 projectsSphinx Solutions is a web development company specializing in full-stack web development and custom website development. With 100% positive feedback, clients consistently praise their high-quality work, efficient processes, and exceptional communication. Their commitment to honesty and clarity in project management is frequently highlighted.
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$25,000+$100 - $149 / hr10 - 49Montreal, Canada
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See all 8 projectsSwoo Agence Numérique is a versatile web development company specializing in custom web solutions, including CRM integration and web application development. Reviews highlight their attention to detail and quality, with 100% of clients noting their efficiency and passion for creating superior products. While some find them slightly expensive, clients consistently acknowledge the value and effectiveness of their services.
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$10,000+$150 - $199 / hr10 - 49Chicago, IL
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See all 5 projectsKahoots Creative Group is a versatile digital agency specializing in web development, graphic design, and comprehensive branding solutions. Their reviews highlight a strong reputation for exceeding client expectations, with a 100% positive feedback rate on project outcomes and collaboration. Clients frequently commend their flexibility and depth in design and development, with 80% emphasizing their ability to handle diverse projects efficiently.
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$5,000+< $25 / hr50 - 249Hồ Chí Minh, Vietnam
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See all 6 projectsECR is a web development company offering comprehensive services, including UI/UX design, custom software development, and web application development. Their reviews highlight a 100% positive feedback rate, with clients praising the quality and value of their work, timely delivery, and flexible support for project changes.
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$10,000+$50 - $99 / hr10 - 49Warszawa, Poland
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See all 3 projectsPanowie Pro is a web development company specializing in custom website development, web programming, and web application development. They have received mostly positive feedback, with 90% of reviewers highlighting their creativity and commitment, although 10% noted areas for improvement in quality assurance. Their expertise with innovative tech stacks and responsiveness in project management are frequently praised.
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UndisclosedUndisclosed10 - 49Roanoke, VA
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See all 14 projectsFirefli is a comprehensive web development company that excels in custom website development and online solutions. With a focus on client collaboration and innovative digital transformations, Firefli consistently receives praise for their methodical project management and exceptional client engagement. Approximately 90% of reviewers highlight their professionalism, team commitment, and ability to deliver user-friendly, SEO-optimized web designs that meet diverse project requirements.
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Undisclosed< $25 / hr2 - 9
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See all 1 projectsLetsCodeX is a web development company specializing in custom website development, front-end development, and on-page SEO optimization. Clients highly praise their excellent communication and code quality, with 100% positive feedback highlighting responsiveness and effective project management. They are noted for delivering timely results and providing ongoing support and maintenance.
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$5,000+$50 - $99 / hr10 - 49Knurów, Poland
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See all 10 projectsCoditive is a web development company specializing in custom website development, web application development, and full-stack web development services. Their reviews reflect a strong emphasis on delivering high-quality projects on time, with 100% of reviewers noting their effective project management and responsiveness. Clients consistently highlight Coditive's technical expertise and collaborative approach, with no areas for improvement identified by most.
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$25,000+$25 - $49 / hr10 - 49
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See all 5 projectsProtos Technology is a web development company specializing in custom website development and web design. They have received overwhelmingly positive feedback from their clients, with 100% of reviewers praising their flexibility, professionalism, and ability to meet client needs through tailored solutions. Their expertise in integrating features like Google Analytics and Google Maps has been particularly noted for enhancing clients' online presence.
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$1,000+< $25 / hr10 - 49Mississauga, Canada
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See all 55 projectsTelkoware is a versatile web development company specializing in custom website development and digital marketing solutions. Across numerous reviews, 100% of clients commend their attention to detail and quality of work, resulting in increased online traffic and customer inquiries. Their efficient project management and responsive communication are consistently highlighted, with no significant areas for improvement noted.
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$5,000+$50 - $99 / hr50 - 249Cherkasy, Ukraine
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See all 5 projectsUAPP is a comprehensive software development company offering services such as business analysis, design, digital marketing, and SEO. They are praised for their personalized approach and strong project management, with 100% of reviewers noting their commitment to quality and effective communication. No negative feedback was reported, highlighting their ability to meet client needs proficiently.
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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.