Top JavaScript Developers
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Featured
What are Featured Providers?
$5,000+$25 - $49 / hr50 - 249London, EnglandServices provided
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See all 87 projectsDigis, a Fiverr company (NYSE: FVRR), is a web development firm offering comprehensive solutions in custom website development, full-stack web development, and web application development. With 100% positive feedback, clients commend their seamless integration into teams, high-quality deliverables, and responsiveness. Approximately 80% of reviews highlight their effective project management and communication, emphasizing their reliability and expertise in meeting project milestones.
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$1,000+< $25 / hr10 - 49Ahmedabad, India
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See all 9 projectsCodeTheorem is a web development company specializing in Website Development, Web Design, and Custom Website Development services. The company has received 100% positive feedback from clients, who commend their ability to improve website performance and user engagement. Clients appreciate CodeTheorem's responsive customer support and timely delivery of projects, with 100% of reviewers highlighting their prompt communication and seamless project management.
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$10,000+$100 - $149 / hr10 - 49North Canton, OH
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See all 6 projectsSanctuary is a digital marketing firm specializing in Web Development and Custom Website Development. They have garnered significant positive feedback, with clients praising their efficiency, personal touch, and ability to increase leads and traffic, evidenced by a 60% increase reported by one client. Their expertise in Web Design and Online Development is consistently highlighted, making them a preferred partner for ongoing digital marketing and website projects.
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$25,000+$50 - $99 / hr2 - 9
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See all 1 projectsCodista is a proficient Web Development company, excelling in complex online platform projects, including custom web development and web application development. Reviews highlight their strong grasp of technical challenges and collaborative spirit. However, 20% of the feedback suggests improvements in proactive communication on project complexities. Overall, Codista is praised for their dedication and ability to deliver innovative web solutions.
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$100,000+Undisclosed10 - 49London, England
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See all 5 projectsFuture Platforms is a mobile app development company known for its expertise in creating digital solutions across various sectors, including health and wellness, transportation, sports, and telecommunications. The company is praised for its innovation, collaborative approach, and ability to deliver on time, with reviewers highlighting Future Platforms' excellent project management and world-class design work. About 80% of reviewers commend the company’s client-focused approach, while areas for improvement are minimal, primarily focusing on flexibility and cost considerations.
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$10,000+$50 - $99 / hr10 - 49Noida, India
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See all 4 projectsDroot is a web development company specializing in Website Development and Web Design, noted for its professional and responsive team. With a 100% positive feedback rate, clients commend Droot for their alignment with company values, comprehensive project management, and high-quality designs, as well as their ability to meet project deadlines and offer ongoing support.
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$5,000+$50 - $99 / hr50 - 249London, England
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See all 25 projectsVersich is a web development company specializing in custom website development and web application development, known for its expertise in front-end and back-end development. Reviews highlight their technical mastery, adaptability, and commitment to quality, with 100% of reviewers noting their value for money and problem-solving capabilities. They demonstrate flexibility in both commercial and pro bono projects, ensuring seamless integration and timely delivery.
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$10,000+$25 - $49 / hr50 - 249Kraków, Poland
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See all 3 projectsIntellect Software House is a web development company specializing in custom website and web application development. Their reviews highlight a commendable ability to deliver projects end-to-end, with 100% positive feedback on their agile approach and project management skills. Clients appreciate their responsive solutions, despite some concerns about pricing compared to other European companies.
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$5,000+$25 - $49 / hr50 - 249Kryvyi Rih, Ukraine
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See all 16 projectsWebstick Global is a versatile web development company offering services in web design, web programming, and custom website development. With a consistent delivery of projects on time and within budget, they receive overwhelmingly positive feedback, with 100% of reviewers highlighting their professional management and responsiveness. Their expertise in creating tailored digital solutions is frequently praised, particularly their ability to adapt and optimize projects efficiently.
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$1,000+$25 - $49 / hr10 - 49
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See all 7 projectsIts on Media is a web development company specializing in creating and deploying custom websites. According to reviews, 100% of clients appreciated their commitment and willingness to collaborate, although some desired more post-project documentation. Overall, clients expressed satisfaction with the effective project management and high-quality web design services provided.
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$1,000+< $25 / hr10 - 49
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See all 4 projectsTechifyhouse is a web development company that specializes in creating responsive and attractive websites to generate online leads. The reviews highlight their creativity and dedication, with 100% positive feedback. Clients commend their project management skills and timely delivery, emphasizing their commitment to meeting client needs within budget constraints.
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$5,000+$50 - $99 / hr50 - 249Kraków, Poland
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See all 16 projectsFrom Poland with Dev is a web development company excelling in Website Development, Custom Website Development, and Web Application Development. Reviewers universally praise their professionalism, responsiveness, and ability to deliver high-quality work on time, with 100% highlighting their exceptional project management and seamless communication. Clients appreciate their commitment to understanding unique business needs, ensuring reliable and effective project execution.
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$50,000+$150 - $199 / hr10 - 49Edmonton, Canada
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See all 15 projectsPaper Leaf is a proficient web development company specializing in custom website development, web programming, and web application development. Review feedback is overwhelmingly positive, with approximately 90% of clients praising their project management and design capabilities. Clients commend their ability to understand complex technical requirements and deliver aesthetically pleasing, user-friendly solutions, with several noting improvements in usability and increased user engagement on their platforms.
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$10,000+$25 - $49 / hr50 - 249Kyiv, Ukraine
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See all 2 projectsLENAL is a web development company specializing in full-stack development, web design, and custom website development. Reviews indicate a high level of client satisfaction, with 100% positive feedback highlighting their experience in e-commerce and marketplace development. Clients appreciate their project management skills, problem-solving capabilities, and open communication, with no mentioned areas for improvement.
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$5,000+$25 - $49 / hr10 - 49Yerevan, Armenia
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See all 2 projectsVinur Software specializes in Website Development, Web Design, and mobile application creation, delivering comprehensive front-end and back-end solutions. Client reviews highlight their timely delivery, effective communication, and adherence to budget constraints. Overall, Vinur Software is praised for their professionalism and technical capabilities, making them a reliable partner for web and mobile development projects.
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$10,000+$25 - $49 / hr50 - 249Castrop-Rauxel, Germany
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See all 8 projectsChudovo is a versatile web development company offering services such as website and web application development, web design, project management, and technical support. The company has received overwhelmingly positive feedback, with over 95% of deadlines met and high-quality deliverables. Clients appreciate Chudovo's development expertise, though communication could be improved. Their work includes front-end and back-end development using technologies like PHP, Laravel, and JavaScript.
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UndisclosedUndisclosed50 - 249Aalborg, Denmark
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See all 6 projectsWirtek, previously known as CoreBuild, is a software development company specializing in custom software solutions, including CRM, mobile apps, and e-commerce sites. The company is praised for its ability to work independently, deliver high-quality work, and maintain strong communication, with approximately 90% of reviews highlighting these strengths. While some reviews suggest room for improvement in communication and project management delegation, the overall feedback is positive, reflecting a reliable and professional service provider.
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$10,000+$50 - $99 / hr10 - 49Novi Sad, Serbia
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See all 4 projectsNortik Software Solutions is a web development company specializing in full-stack web development and custom website development. Reviews highlight their deep technical expertise, strategic thinking, and excellent project management. Over 90% of feedback is positive, with clients praising their proactive communication, ability to meet deadlines, and commitment to client success.
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$1,000+Undisclosed10 - 49București, Romania
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See all 10 projectsFYB Romania is a web development company specializing in custom website development, web programming, and full-stack web development. The reviews highlight their ability to meet client expectations, with a strong emphasis on delivering high-quality web solutions and successful project outcomes. Approximately 90% of the feedback is positive, commending their technical expertise and project management. However, some improvements in delivery time and transparency are suggested.
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$10,000+$50 - $99 / hr10 - 49Dnipro, Ukraine
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See all 5 projectsD Coast Studio is a web development company specializing in custom website development and web design. Reviews highlight their exceptional project management, with 100% of clients praising their speed, quality, and affordability. Their ability to quickly deliver high-quality websites while maintaining open communication and professionalism is a recurring theme across client feedback.
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$5,000+$25 - $49 / hr10 - 49Kyiv, Ukraine
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See all 4 projectsJupser is a web development company specializing in responsive web application development and design, utilizing technologies like ReactJS and Redux. Clients appreciate Jupser's technical skills and timely execution, with 100% of the reviewers highlighting their effective delivery and project management capabilities. Improvements could include expanding their services to include AWS deployment and management.
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$5,000+$50 - $99 / hr10 - 49Sofia, Bulgaria
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See all 3 projectsRalev.com Digital Design Agency is a versatile company proficient in Website Development, Web Design, and online marketing solutions. The agency is praised for its commitment to understanding client needs, with 100% of reviewers noting impressive project outcomes and seamless communication. Their expertise encompasses full-service web development, video production, and marketing materials, consistently delivering high-quality results that earn positive feedback from clients.
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$10,000+$25 - $49 / hr10 - 49Warszawa, Poland
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See all 4 projectsPangolin Development is a UX/UI design company known for their attention to detail, flexibility, and creativity. They have worked with notable brands and maintain effective communication with clients. Reviews highlight their responsiveness and strong processes, with 100% positive feedback regarding their service quality and team performance.
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$25,000+$25 - $49 / hr10 - 49Paris, France
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See all 1 projectsKernix is a web development company that excels in custom website development, offering full-stack web development services. The overall feedback from clients is overwhelmingly positive, with 100% of reviewers highlighting their professionalism, effective communication, and ability to deliver high-quality, user-friendly, and business-oriented web applications. Clients also appreciate their attention to detail and swift resource extension capabilities.
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$5,000+$25 - $49 / hr10 - 49L'viv, Ukraine
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See all 2 projectsTeonica is a web development company specializing in custom website development and web application development, with a focus on front-end development using technologies like React. Reviews highlight their highly skilled team and exceptional communication, reporting a 100% satisfaction rate in project delivery and effectiveness, though they might need more structure as they scale.
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$10,000+$100 - $149 / hr10 - 49Chicago, IL
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See all 3 projectsNew Peak Solutions is a technology consulting firm specializing in SharePoint intranet redesigns, custom app development, and CRM integration. The company has received overwhelmingly positive feedback, with clients praising their professionalism, responsiveness, and ability to deliver high-quality, tailored solutions. Notably, 100% of reviewers commend their project management skills and the effectiveness of their communication.
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$5,000+$25 - $49 / hr2 - 9Bengaluru, India
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See all 4 projectsRapidmind Technologies Pvt Ltd is a website development company specializing in custom website and web application development. They have received overwhelmingly positive feedback, with clients praising their honesty, quality of work, and responsiveness. Approximately 90% of reviews highlight their effective project management and ability to meet deadlines. Additionally, 70% of reviewers commend their flexibility and readiness to take on new challenges.
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$10,000+$50 - $99 / hr2 - 9București, Romania
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See all 7 projectsDIVDOT CODE is a web development company specializing in custom website development, web design, and web application development. Overall, 100% of the feedback is positive, highlighting their speed, responsiveness, and high-quality service delivery. Approximately 75% of reviewers emphasize their exceptional project management and dedication to meeting clients' needs efficiently.
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$5,000+$25 - $49 / hr10 - 49L'viv, Ukraine
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See all 3 projectsCodePillow is a versatile software development firm specializing in web, mobile, and blockchain solutions. Across reviews, clients commend the company for its technical expertise, especially in blockchain development, its efficient communication, and its ability to meet deadlines. Impressively, 100% of clients express satisfaction with the company's performance, highlighting their time management and willingness to address client concerns promptly.
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$1,000+< $25 / hr50 - 249
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See all 1 projectsAntHouse is a web development company specializing in Web Application Development and Full-Stack Web Development. The reviews indicate a strong reputation for reliability and efficiency, with 100% positive feedback highlighting their impressive speed of work and effective project management. Clients appreciate their ability to enhance platforms, as demonstrated by successfully updating Angular on Playkey.net.
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$75,000+Undisclosed2 - 9
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See all 1 projectsNavigation North is an education-focused development and research company, adept at integrating advanced technical skills with educational expertise. Feedback highlights their flexibility and deep understanding of digital engagement in learning environments, with 100% of the reviews praising their ability to tailor solutions effectively. While their small size offers agility, it may limit dedicated project management resources as projects scale.
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$5,000+$50 - $99 / hr2 - 9Šibenik, Croatia
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See all 5 projectsTempus Media is a comprehensive web development company specializing in custom website and web application development. Their reviews reflect a 100% satisfaction rate, highlighting their professionalism, creativity, and responsiveness. Clients appreciate their ability to deliver modern, unique web solutions and maintain effective communication throughout the project lifecycle.
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$25,000+$100 - $149 / hr10 - 49
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See all 3 projectsCode Pros is a versatile web development company specializing in custom website development, web application development, and full-stack development. Across their reviews, clients consistently highlight their exceptional project management, timely delivery, and effective communication. Approximately 90% of the feedback is positive, with clients praising their proactive approach and high-quality solutions.
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$1,000+< $25 / hr50 - 249Bengaluru, India
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See all 25 projectsKrify Software Technologies Pvt. Ltd. is a web development company offering services such as custom website development, full-stack web development, and web application development. They receive consistently positive feedback, with 100% of reviewers highlighting aspects such as responsiveness, effective project management, and excellent communication skills. Their commitment to meeting project goals and delivering on time is frequently praised, with no significant negative feedback reported.
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$10,000+$50 - $99 / hr10 - 49Vilnius, Lithuania
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See all 9 projectsVilantis is a versatile software development company specializing in mobile app and AI system development, infrastructure migration, and customized IT solutions. Reviews indicate overwhelmingly positive feedback, with approximately 90% praising their technical expertise, communication, and commitment to quality. Clients consistently highlight their ability to deliver smooth, user-friendly applications and their dedication to partnering with clients to achieve project success, even under budget constraints.
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$25,000+$50 - $99 / hr250 - 999Prague, Czech Republic
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See all 4 projectsCleverlance Enterprise Solutions a.s. is a software development company offering expertise in mobile app and web development, with a focus on security and user experience. Reviewers highlight their high-quality work, professionalism, and adaptability, with 100% of them expressing satisfaction with project outcomes and collaboration. The company stands out for its systematic project management and willingness to embrace new challenges, confirming its reputation as a reliable partner in development projects.
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Undisclosed$100 - $149 / hr10 - 49New York, NY
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See all 1 projectsKOUNTERATTACK is a comprehensive branding and development company, excelling in design, business development, and marketing. They receive overwhelmingly positive feedback for their dedication and personalized approach, with 100% of reviewers noting their exceptional design skills and commitment to client success. A standout feature is their passion and care, as evidenced by their ongoing support and mentorship of startups.
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$5,000+$50 - $99 / hr10 - 49
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See all 2 projectsLimegrow Web Development is a web development company renowned for its expertise in building custom online stores and enhancing website functionalities. With 100% positive feedback, reviewers commend their seamless project management, user-friendly development approach, and exceptional client support, which significantly boosted website traffic and operational efficiency. Their team is noted for its collaborative spirit, making complex web programming more accessible.
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$25,000+$25 - $49 / hr50 - 249London, England
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See all 16 projectsIncepteo is a versatile web development company offering services in web design, web programming, and full-stack web development. They are highly regarded by clients, with 90% of reviews highlighting their effective project management and responsiveness. While occasional issues with budget and internal QA were noted, 85% of feedback emphasizes their impressive communication and commitment to delivering high-quality, tailored solutions.
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$10,000+$50 - $99 / hr10 - 49Gliwice, Poland
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See all 3 projectsJazzy.pro is a full-stack web development company specializing in front-end solutions, known for seamlessly integrating with clients' in-house teams. The company receives overwhelmingly positive feedback, with clients praising their engagement and understanding of project needs. A notable 100% of reviewers commend their project management improvement following the hiring of a dedicated account manager.
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Undisclosed$100 - $149 / hr10 - 49Calgary, Canada
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See all 2 projectsRed Cherry is a web development company renowned for its comprehensive custom website development and strong project management capabilities. With 100% positive feedback, clients commend them for delivering projects on time and within budget, while effectively communicating technical aspects. Their expertise in full-stack web development and ability to rebrand and rewrite entire software systems make them a preferred partner for complex projects.
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$25,000+$50 - $99 / hr10 - 49
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See all 6 projectsCreITive - Beyond Digital is a web development company renowned for delivering custom website development and web application development services. With a strong emphasis on flexibility and technical skills, they have achieved impressive results, such as drastically increasing average visit times by over 60% and maintaining a dropout rate below 5% on engagement projects. Clients consistently praise their project management and seamless communication, with 100% positive feedback regarding their collaboration and understanding of client needs.
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$5,000+$50 - $99 / hr50 - 249
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See all 5 projects648 Group is a web development company specializing in custom website development and full-stack web development services. Reviews highlight their expertise in managing complex projects, with 100% of feedback mentioning their responsive project management and effective use of Agile methodologies. Clients appreciate their modern, professional designs and ongoing improvements, though some note occasional communication challenges with offshore staff.
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$10,000+$25 - $49 / hr10 - 49Osijek, Croatia
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See all 6 projectsCollective mind DEV is a full-stack web development company, praised for its seamless blend of creativity and data-driven strategies. They have consistently delivered projects on time, with 100% of reviews highlighting their effective communication and project management. Additionally, 66% of reviewers commend their commitment to understanding and embodying brand values in digital experiences. Minor areas for improvement include documentation and progress reviews.
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$1,000+< $25 / hr10 - 49
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See all 8 projectsAMAP Infotech is a web and custom application development company, highly regarded for its dedication and responsiveness. Across their reviews, 100% highlight their timely delivery and excellent communication. They excel in web programming, full-stack development, and providing tailored solutions, consistently aligning with client needs and demonstrating an impressive value-for-cost ratio.
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Undisclosed$25 - $49 / hr50 - 249
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See all 11 projectsWisitech is a proficient web development company that delivers a range of services including custom website development, front-end and back-end development, and ongoing maintenance. They have consistently received positive feedback, with 100% of reviewers emphasizing their exceptional project management and responsiveness. Clients frequently commend their ability to align with business objectives and the personal attention they provide, leading to successful project outcomes.
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$10,000+$25 - $49 / hr50 - 249Lahore, Pakistan
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See all 5 projectsAlgoRepublic is a web development company specializing in custom web application development, known for its innovative approach and ability to deliver complex and bespoke solutions. The feedback is overwhelmingly positive, with clients praising their creativity and problem-solving capabilities. While 100% of reviewers appreciate their willingness to tackle novel challenges, some note a need for improved alignment with commercial timelines.
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$10,000+$100 - $149 / hr10 - 49Golden, CO
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See all 9 projects10 Pound Gorilla is a web development company known for its expertise in DotNetNuke (DNN) environments, offering services such as custom website development and web design. Reviews indicate a high level of client satisfaction, with approximately 90% of feedback highlighting their professionalism, responsiveness, and ability to enhance web functionality. Additionally, 70% of reviewers commend their project management skills and strategic insights, emphasizing their commitment to delivering quality results.
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$10,000+$25 - $49 / hr10 - 49Kharar, India
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See all 6 projectsTechMarcos is a web development company excelling in custom website development, full-stack web development, and complex integrations like HubSpot. With 100% positive feedback, clients commend their technical expertise, responsive communication, and project management. Approximately 80% of reviews highlight their tailored solutions and ability to seamlessly integrate complex systems into existing workflows, significantly enhancing operational efficiency and user engagement.
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$10,000+$150 - $199 / hr10 - 49New York, NY
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See all 6 projectsAdencys is a web development company specializing in web design and custom website development, noted for their expertise in building Shopify sites and conducting digital refreshes. With a 100% positive feedback rate, clients commend their excellent project management, timely communication, and innovative design and development solutions, consistently exceeding expectations without any notable areas for improvement.
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$1,000+$100 - $149 / hr10 - 49
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See all 4 projectsHeaviside Group is a web development company specializing in Website Development and SEO services. Their clients report a 200% increase in SEO leads, highlighting their effectiveness. With 100% positive feedback, Heaviside Group is praised for its flexibility, integrity, and project management skills, consistently exceeding client expectations in online development and custom website development.
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List of the Top 15 JavaScript Development Companies
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$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
50% Web Development70% JavaScript50% Other -
$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 -
$10,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.4/40.019.6/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
45% Web Development60% JavaScript55% Other -
$10,000+< $25 / hr250 - 999Thiruvananthapuram, India
Ability to deliver
37.7/40.018.4/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
50% Web Development50% JavaScript50% Other -
$10,000+Undisclosed50 - 249San Francisco, CA
Ability to deliver
38.9/40.019.6/20 Reviews9.6/10 Clients & Experience9.7/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$10,000+$50 - $99 / hr50 - 249Montevideo, Uruguay
Ability to deliver
39.3/40.019.8/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
50% Web Development35% JavaScript50% Other -
$50,000+$100 - $149 / hr1,000 - 9,999San Francisco, CA
Ability to deliver
39.9/40.020/20 Reviews9.9/10 Clients & Experience10/10 Market PresenceService focus
15% Web Development25% JavaScript85% Other -
$5,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
36.9/40.018/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$25,000+$25 - $49 / hr50 - 249Newark, DE
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
40% Web Development35% JavaScript60% 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+$50 - $99 / hr50 - 249Chicago, IL
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
35% Web Development40% JavaScript65% Other -
$10,000+$25 - $49 / hr250 - 999San Francisco, CA
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
15% Web Development40% JavaScript85% Other -
$50,000+$25 - $49 / hr50 - 249Kharkiv, Ukraine
Ability to deliver
36.8/40.017/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
45% Web Development50% JavaScript55% Other -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
36.8/40.017.2/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
60% Web Development45% JavaScript40% 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 - 9,999L'viv, Ukraine
Ability to deliver
38.8/40.019/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
21% Web Development18% JavaScript79% Other -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
37.2/40.018.2/20 Reviews10/10 Clients & Experience9/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$25,000+$50 - $99 / hr1,000 - 9,999New York, NY
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Web Development33% JavaScript90% Other -
$10,000+$25 - $49 / hr250 - 999New York, NY
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
30% Web Development15% JavaScript70% Other -
$10,000+< $25 / hr250 - 999Kolkata, India
Ability to deliver
36.3/40.019/20 Reviews9/10 Clients & Experience8.4/10 Market PresenceService focus
35% Web Development30% JavaScript65% Other -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
65% Web Development20% JavaScript35% Other -
$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 -
$50,000+$150 - $199 / hr50 - 249Matlock, England
Ability to deliver
38.2/40.018.4/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
100% Web Development30% JavaScript -
$1,000+< $25 / hr1,000 - 9,999Los Angeles, CA
Ability to deliver
36.9/40.019.6/20 Reviews9.3/10 Clients & Experience8/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$10,000+$50 - $99 / hr10 - 49Warszawa, Poland
Ability to deliver
37.8/40.018.6/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
50% Web Development70% JavaScript50% Other -
$50,000+$150 - $199 / hr50 - 249New York, NY
Ability to deliver
35.9/40.016.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$50,000+$150 - $199 / hr250 - 999Irvine, CA
Ability to deliver
36.4/40.016.4/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
30% Web Development30% JavaScript70% Other -
$10,000+< $25 / hr250 - 999Hanoi, Vietnam
Ability to deliver
37.9/40.018.6/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
30% Web Development21% JavaScript70% Other -
$100,000+$25 - $49 / hr250 - 999Cebu City, Philippines
Ability to deliver
38.1/40.019.4/20 Reviews10/10 Clients & Experience8.7/10 Market PresenceService focus
30% Web Development20% JavaScript70% 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.