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 20 projectsZajno Web Design & Development Studio is a leading full-stack web development company specializing in web design, web programming, and custom website development. The recurring themes in their reviews highlight their creativity, professionalism, and excellent communication. Notably, 100% of reviewers praised their ability to deliver high-quality, visually appealing, and immersive websites that meet or exceed client expectations.
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$10,000+$50 - $99 / hr50 - 249Kyiv, Ukraine
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See all 25 projectsVT Labs is a web development company specializing in Shopify and full-stack web development, offering services like custom website development, web programming, and e-commerce solutions. Reviews reflect a 100% positive sentiment, emphasizing their timely delivery, exceptional communication, and ability to align with clients' business needs. Approximately 75% of reviews mention their adept handling of complex projects and Shopify expertise, highlighting their value for money and skilled team.
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$25,000+$50 - $99 / hr50 - 249Poznań, Poland
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See all 22 projectsApptension is a web development company specializing in custom website development, full-stack web development, and web application development. The reviews indicate that 75% of clients appreciate their integration with internal teams and their ability to deliver high-quality web projects, despite occasional challenges with communication and scope clarity. Clients commend Apptension's technical expertise, project management, and proactive engagement.
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$10,000+$25 - $49 / hr10 - 49Львів, Ukraine
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See all 38 projectsREDSTONE is a web development company specializing in custom website development and full-stack web development. The overall feedback from their reviews is overwhelmingly positive, with clients praising their professionalism, communication, and ability to deliver projects on time and within budget. Approximately 90% of reviewers highlighted REDSTONE's exceptional project management and innovative solutions, while some suggested minor improvements in QA processes.
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$5,000+$25 - $49 / hr10 - 49Kyiv, Ukraine
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See all 5 projectsSeven Software is a web development company proficient in website development, web design, and custom website development. Feedback indicates that 100% of reviewers are satisfied with their prompt communication, proactive problem-solving, and efficient project management. A significant 75% of reviewers commend their ability to provide clear feedback and meet deadlines consistently.
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$10,000+$150 - $199 / hr10 - 49Beograd, Serbia
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See all 8 projectsIntellRocket is a full-stack web development company specializing in web design, web application development, and technical SEO. Across their reviews, 100% of clients praised their responsiveness, project management, and ability to deliver on time. Clients highlight their impressive technical skills and effective communication, with multiple reviewers noting their expertise in maintaining or improving Google Page Speed metrics and ensuring mobile optimization.
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$50,000+$200 - $300 / hr10 - 49Miami, FL
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See all 8 projectsCosmico Studios is a web development company specializing in Website Development, Web Design, and Full-Stack Web Development. With an impressive 100% positive feedback across reviews, clients commend their strong communication skills, timely delivery, and high-quality outcomes. Their services have notably improved client web traffic by 22% and lead generation by 27% within 45 days.
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$25,000+$150 - $199 / hr10 - 49Denver, CO
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See all 4 projectsTonic is a custom website development company specializing in web application development, providing comprehensive full-stack solutions. Overall feedback is highly positive, with clients praising their flexibility and knowledgeable team. Notably, 100% of reviewers commend Tonic's ability to deliver quality work within budget, and their impressive project management capabilities enhance user engagement and trust.
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$25,000+$100 - $149 / hr10 - 49Dallas, TX
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See all 4 projectsLucky Media is a web development company specializing in custom website development, web design, and web application development. With a 100% positive feedback rate, clients commend their proficiency in delivering projects on time and within budget, their innovative approach, and exceptional communication skills. Reviewers frequently highlight their ability to transform digital presence, enhance functionality, and provide proactive, reliable service.
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$10,000+$50 - $99 / hr10 - 49Bydgoszcz, Poland
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See all 17 projectsWise People is a web development company excelling in custom website development and web design. Approximately 100% of reviews highlight their exceptional project management, citing responsiveness and timely delivery. Clients commend their proactive communication and ability to align web development with brand identity, though some suggest incorporating more rigorous idea critiques for enhanced outcomes.
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$5,000+< $25 / hr1,000 - 9,999Coppell, TX
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See all 14 projectsProgrammers.io is a full-service agency specializing in web development and custom software development, offering online development and full-stack web development services. They consistently receive positive feedback, with approximately 80% of reviewers highlighting their rapid turnaround time and technical expertise. Clients appreciate their professional project management and ability to meet deadlines, though some suggest improvements in communication for U.S.-based clients.
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$25,000+$50 - $99 / hr2 - 9București, Romania
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See all 3 projectsMelonbyte is a full-stack web development company praised for its expertise in custom website development and consistent delivery on time. With 100% positive feedback, clients commend their ability to handle complex projects, responsiveness, and alignment with client values. Melonbyte excels in both front-end and back-end development, creating tailored solutions that meet diverse business needs.
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$10,000+$50 - $99 / hr50 - 249New York, NY
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See all 25 projectsSEVEN is a leading web development company specializing in full-stack web development, web application development, and custom website development. Clients consistently praise SEVEN for their exceptional project management skills, robust communication, and ability to deliver quality solutions within budget and timelines. Notably, approximately 100% of feedback highlights SEVEN's responsiveness, flexibility, and expertise, making them a trusted partner for both startups and established businesses across various sectors.
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$50,000+$100 - $149 / hr50 - 249
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See all 11 projectsMayven Studios is a highly regarded web development company specializing in custom website development, full-stack web development, and web application development. With approximately 90% of reviewers highlighting their efficiency, communication, and technical expertise, they are praised for their reliability, seamless project management, and ability to deliver complex web solutions. Clients value their strategic partnership, timely delivery, and capacity to meet evolving business needs.
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$10,000+$50 - $99 / hr50 - 249Karachi, Pakistan
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See all 100 projectsWPExperts is a web development company specializing in Custom Website Development, Web Programming, and Full-Stack Web Development. Analyzing their reviews, 100% of clients commend their clear communication, responsiveness, and proficiency in delivering projects on time. Approximately 90% highlight their ability to enhance website performance and solve technical issues effectively. WPExperts' commitment to post-delivery support and collaborative approach is consistently appreciated by clients.
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$5,000+$25 - $49 / hr50 - 249Ciudad de México, Mexico
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See all 29 projectsBluePixel is a web development company that specializes in full-stack web development, web design, and user experience optimization. Their services have garnered overwhelmingly positive feedback, with 100% of reviewers praising their project management, communication, and commitment to meeting client needs. Common themes include their ability to deliver projects on time and their effective, iterative approach to custom website development.
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$25,000+$100 - $149 / hr10 - 49Baltimore, MD
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See all 8 projects64 Robots is a full-stack web development company that excels in web application development and custom website solutions. With consistently high ratings, approximately 98% of reviewers praise their project management, responsiveness, and ability to deliver high-quality, user-friendly, and innovative solutions on time. Their expertise in front-end and back-end development is frequently highlighted, and many clients commend their collaborative, client-focused approach and problem-solving skills.
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$10,000+$50 - $99 / hr10 - 49Montevideo, Uruguay
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See all 31 projectsBixlabs is a full-stack web development company specializing in custom website and web application development. Reviews indicate a strong focus on professional and efficient service, with 80% of reviewers praising their ability to meet project specifications and deliver high-quality work. A common theme is their effective use of communication tools like Slack and Jira, facilitating seamless project management and collaboration.
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$25,000+$50 - $99 / hr50 - 249Ta' Xbiex, Malta
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See all 21 projectsQArea is a comprehensive web development company that specializes in augmenting staff with skilled developers and providing quality assurance for multi-platform applications. Clients have praised QArea for their effective collaboration, timely delivery, and high-quality standards, with 100% of reviewers highlighting their impressive integration and technical expertise. Virtually no negative feedback was reported, demonstrating a high level of client satisfaction.
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$5,000+$25 - $49 / hr50 - 249Yerevan, Armenia
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See all 28 projectsFusion Tech is a highly-regarded web development company specializing in full-stack web development, web application development, and custom website development. Based on their reviews, 100% of clients commend their professionalism, communication, and timely delivery, with 80% highlighting their impressive project management and technical expertise. Clients consistently note their responsiveness and reliability, making Fusion Tech a preferred choice for complex online development projects.
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$25,000+$25 - $49 / hr50 - 249London, England
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See all 31 projectsGoodCore Software is a web application development company known for its expertise in providing custom software solutions. With a strong focus on project management and technical skills, 100% of reviewers praised their responsiveness and ability to deliver on time and within budget. Clients appreciate their ability to tackle complex challenges and their excellent communication throughout the project lifecycle.
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$25,000+$150 - $199 / hr10 - 49London, England
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See all 34 projectsTogether is a web development company that specializes in custom website development, web design, and branding solutions for businesses across various industries. The reviews reflect a predominantly positive client experience, with approximately 90% of feedback highlighting Together's strong design capabilities, collaborative approach, and effective project management. Clients commend their understanding of industry needs and ability to deliver high-quality, engaging websites that enhance brand identity and user experience.
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$5,000+$50 - $99 / hr50 - 249Kharkiv, Ukraine
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See all 20 projectsAnvilEight is a web development company specializing in full-stack web development, web application development, and custom website development. The company is consistently praised for its effective project management, responsive communication, and adaptability to client needs, as evidenced by 100% of reviewers highlighting their impressive communication and delivery. Additionally, clients appreciate AnvilEight’s flexibility, cultural alignment, and timely delivery, reflecting a strong commitment to client satisfaction.
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$100,000+$150 - $199 / hr10 - 49Chicago, IL
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See all 12 projectsSandstorm Design is a comprehensive web development and design agency, excelling in custom website development, branding, and UX/UI improvements. The company is highly praised for its collaborative and responsive approach, with over 90% of reviews highlighting their project management and communication skills. Clients frequently commend Sandstorm Design for their strategic thinking and ability to function as an integral part of internal teams.
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$10,000+$25 - $49 / hr10 - 49Cherkasy, Ukraine
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See all 4 projectsSmithySoft is a comprehensive Web Development company that excels in Web Application Development and custom solutions. The majority of feedback (approximately 95%) is positive, highlighting their exceptional code quality and problem-solving capabilities. Clients commend their timely delivery and responsiveness, with a minor suggestion for language improvement.
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$25,000+$50 - $99 / hr10 - 49Los Angeles, CA
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See all 16 projectsWanted for Nothing is a web development company that specializes in custom website development and full-stack web development, offering services such as web programming and web application development. Clients consistently praise their professional project management, timely delivery, and attention to detail, with 100% of reviews highlighting positive outcomes and no significant areas for improvement noted.
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$25,000+$25 - $49 / hr10 - 49Yerevan, Armenia
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See all 5 projectsSourcemap.pro is a web development company that excels in custom website and web application development. Reviewers praise their competence, initiative, and efficient project management, with 100% positive feedback highlighting timely delivery and high-quality results. Notably, 50% of reviews commend their cultural fit and value for cost.
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$25,000+$100 - $149 / hr10 - 49Boston, MA
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See all 16 projectsZero Negative is a reputable web development company specializing in custom website development, web design, and full-stack development. The reviews indicate a high level of client satisfaction, emphasizing their exceptional project management, design skills, and ability to deliver unique, high-quality websites. Notably, 100% of reviewers highlight their commitment to understanding client needs and producing impressive results.
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$10,000+$50 - $99 / hr50 - 249Rzeszów, Poland
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See all 23 projectsConcise Software is a full-stack web development company praised for their technical expertise, efficient project management, and professional communication. They excel in both front-end and back-end development, with services spanning Web Programming, Web Application Development, and Custom Website Development. Client feedback is overwhelmingly positive, highlighting their proactive problem-solving and adaptability, with over 85% of reviewers commending their communication skills and project management efficiency.
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$5,000+$25 - $49 / hr10 - 49Kyiv, Ukraine
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See all 45 projectsHZF –– Gamedev Outsourcing Agency is a proficient development company specializing in web application development, offering services like custom website development and full-stack web development. With a focus on effective communication and timely delivery, 100% of reviewers praise their excellent communication skills, while some mention areas for improvement in design and code readability.
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$10,000+$50 - $99 / hr50 - 249Katowice, Poland
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See all 25 projectsQarbon IT is a web development company offering services in custom web application development, front-end and back-end development, and full-stack web development. Across a variety of projects, clients consistently express satisfaction with their expertise and professionalism, with 100% of reviews highlighting their flexibility, timely delivery, and effective communication. The company is particularly noted for its ability to integrate complex solutions while providing excellent project management and client support.
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$10,000+$150 - $199 / hr10 - 49Toronto, Canada
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See all 22 projectsAnyday® is a web development and design company excelling in custom website development, brand strategy, and web programming, with a focus on front-end and back-end development. Of the reviews, 100% expressed positive sentiments regarding Anyday®'s ability to deliver projects on time, their effective communication, and their strong alignment with client values, making them a valued long-term partner.
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$50,000+$50 - $99 / hr50 - 249Montevideo, Uruguay
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See all 21 projectsLoopStudio is a web development company specializing in custom full-stack web development and web application development. The company has received overwhelmingly positive feedback, with 100% of reviewers praising their problem-solving skills, effective communication, and project management. LoopStudio is lauded for its ability to deliver high-quality work efficiently, often completing tasks in fewer hours than estimated, and for maintaining strong client relationships.
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$10,000+$25 - $49 / hr50 - 249Kyiv, Ukraine
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See all 20 projectsitjet is a professional web development company specializing in custom website development, web application development, and full-stack web development. With over 90% positive feedback, clients commend itjet for their high-quality execution, timely delivery, and excellent project management. Approximately 80% of reviewers emphasized the team's reliability, responsiveness, and innovative problem-solving capabilities, making them a valuable partner for complex, client-specific projects.
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$5,000+$50 - $99 / hr10 - 49Lisboa, Portugal
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See all 13 projectsLynksen is a versatile web development company specializing in Website Development, Web Design, and both Front-End and Back-End Development. The reviews reveal that 100% of clients appreciate their proactive communication, problem-solving skills, and ability to adapt, while 83% highlight their seamless integration into client teams. Overall, positive feedback underscores their commitment to delivering high-quality, custom web solutions tailored to specific client needs.
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$25,000+$50 - $99 / hr50 - 249Košice, Slovakia
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See all 15 projectsSudolabs is a reputable full-stack web development company known for its strong technical knowledge and experience with the latest frameworks. They have consistently received high ratings from clients, with 100% of reviewers praising their technical expertise, adaptability, and commitment to delivering high-quality work on time. Clients commend their flexibility and the value they provide, often highlighting their proficiency in custom website and web application development.
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$50,000+$150 - $199 / hr2 - 9Marina del Rey, CA
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See all 22 projectsWildebeest is a versatile web development company specializing in custom website development and web application development, with expertise in both front-end and back-end development. Across their reviews, clients consistently praise their technical proficiency, innovative design solutions, and strong project management skills. Approximately 80% of reviewers highlight their ability to handle complex projects with agility and effective communication, contributing to timely and successful project outcomes.
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$10,000+$50 - $99 / hr10 - 49Buenos Aires, Argentina
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See all 11 projectsIndicius is a comprehensive Web Design and Development agency, excelling in branding and custom website development. With a strong focus on client collaboration and creativity, they have consistently delivered projects on time and within budget, garnering overwhelmingly positive feedback from clients who appreciate their detailed project management and holistic approach. Approximately 75% of reviewers highlight their impressive creativity and timely delivery.
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$5,000+$25 - $49 / hr50 - 249Ahmedabad, India
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See all 66 projectsCMARIX is a versatile web development company specializing in custom website development, web design, and web programming. With an 80% satisfaction rate, clients praise CMARIX for their responsive communication and seamless project management, highlighting their ability to deliver user-friendly and visually appealing platforms. However, some reviews indicate room for improvement in project management and communication.
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$50,000+$100 - $149 / hr10 - 49Weston, FL
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See all 8 projectsWestonDEV is a versatile web development company specializing in custom website development, web application development, and full-stack web development. Clients consistently praise their attentive project management and problem-solving expertise, with 100% positive feedback highlighting their engagement, on-time delivery, and personalized approach tailored to client needs. They excel in integrating complex solutions and are highly recommended for their quality work and professionalism.
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$10,000+< $25 / hr10 - 49Oakland, CA
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See all 5 projectsNimi is a web development company that specializes in custom website development and full-stack web development solutions. With 100% positive feedback across all reviews, clients commend their excellent communication, timely delivery, and technical expertise. Approximately 90% of reviewers highlight Nimi's strong project management skills and seamless integration with client teams.
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$5,000+$100 - $149 / hr10 - 49Amsterdam, Netherlands
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See all 32 projectsAGCS is a web development company specializing in custom website creation, web design, and web application development. They are praised for their timely delivery, effective communication, and collaborative approach, with 100% of reviewers noting their professionalism and ability to meet deadlines. Clients commend their ability to exceed expectations, making them a reliable partner for complex digital projects.
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$10,000+$150 - $199 / hr2 - 9Denver, CO
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See all 6 projectsHDC is a web development company specializing in custom website development, front-end and back-end development, and full-stack web development. With a 100% positive feedback rate, clients consistently praise their communication, expertise, and ability to deliver projects on time and to specifications. Approximately 80% of reviewers highlight their seamless integration of technical requirements and user-friendly solutions.
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$10,000+< $25 / hr250 - 999Pune, India
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See all 15 projectsiProgrammer Solutions Private Ltd. is a web development company specializing in custom website development, web application development, and online development. The overall feedback from reviewers is highly positive, with approximately 95% noting their dedication, timely delivery, and strong company values. Key themes include their effective project management, seamless communication, and ability to align with client goals and needs.
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$10,000+$25 - $49 / hr50 - 249L'viv, Ukraine
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See all 41 projectsSmartTek Solutions is a specialized web development company excelling in IoT architecture design, front-end, and back-end development, with an emphasis on scalability and cloud integration. Reviews consistently highlight their professionalism, excellent project management, and effective communication, with 100% positive feedback on their responsiveness and attention to detail. Clients commend their ability to deliver timely solutions tailored to specific project needs.
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$10,000+$50 - $99 / hr10 - 49Brno, Czech Republic
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See all 15 projectsNOTUM Technologies is a web development company excelling in full-stack development, custom website development, and web application development. With a robust 100% positive review rate, clients commend their responsive communication, timely delivery, and high-quality project management. Notably, 88% of reviewers mention their suitability as a tech partner, highlighting their ability to understand complex business needs and deliver effective, scalable solutions.
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$25,000+$100 - $149 / hr2 - 9Amsterdam, Netherlands
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See all 1 projectsMerlin Studio, a web development company specializing in web application development and custom website development, receives overwhelmingly positive feedback, with 100% of reviewers praising their artistic and creative partnership. They excel in transforming designs into user-friendly and aesthetically pleasing platforms, and their ability to integrate complex back-end systems is highly valued by clients.
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$25,000+$50 - $99 / hr250 - 999Manhattan Beach, CA
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See all 13 projectsDistillery is a versatile software development and IT services company, providing expertise in areas such as staff augmentation, mobile app development, and HR management. Their clients frequently commend the company for delivering high-quality code, meeting deadlines, and maintaining professionalism. Approximately 90% of reviews highlight Distillery's exceptional project management and communication skills. The expertise of their engineers is particularly noted, with many clients expressing satisfaction with the seamless integration and contribution of Distillery's team members.
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$10,000+$25 - $49 / hr10 - 49Kyiv, Ukraine
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See all 18 projectsAntagosoft is a web development company specializing in custom website development, web design, and web application development. The reviews reflect a strong commitment to delivering quality results, with 100% of reviewers praising their project management and timely delivery. The company is consistently noted for its flexibility, proactive communication, and ability to align with clients' goals, with 83% of reviews highlighting these attributes.
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$25,000+$150 - $199 / hr10 - 49Newport Beach, CA
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See all 22 projectsRevealize Inc. is a web development company that excels in custom website development, web programming, and full-stack web development. Across their reviews, clients consistently highlight their creativity, responsiveness, and ability to deliver on time, with a notable 100% positive feedback rate. Impressively, 90% of reviewers commend their design quality and project management, praising their ability to transform visions into unique, functional websites.
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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 -
$25,000+$100 - $149 / hr50 - 249Cypress, CA
Ability to deliver
36.4/40.018.2/20 Reviews10/10 Clients & Experience8.2/10 Market PresenceService focus
100% Web Development40% JavaScript -
$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
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.