Top JavaScript Developers
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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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$1,000+$150 - $199 / hr10 - 49Hawthorn, Australia
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See all 16 projectsEmote Digital is a full-service digital agency specializing in web development, digital marketing, and SEO strategies. With a focus on creating custom, user-friendly websites that align with clients' brand goals, Emote Digital has received overwhelmingly positive reviews. 83% of reviewers commend their proactive approach and effective project management, highlighting their transparency and responsiveness. Additionally, 75% emphasize the significant improvements in online visibility and user experience delivered by their strategic solutions.
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$10,000+$50 - $99 / hr10 - 49Budapest, Hungary
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See all 18 projectsWozify is a web development company specializing in custom website and web application development, with services extending to front-end and back-end development. The overall feedback from clients is overwhelmingly positive, with approximately 90% of reviews praising their project management, flexibility, and technical expertise. Many clients highlight Wozify's ability to deliver on complex projects with agility and precision, while also being highly responsive and communicative throughout the process.
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$50,000+$50 - $99 / hr50 - 249Miami, FL
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See all 43 projectsIntellectsoft is a web development company offering custom website development, web application development, and full-stack web development services. With an impressive 100% positive feedback rate, clients consistently praise their excellent project management, timely delivery, and effective communication. Approximately 80% of reviewers highlight their responsiveness and ability to meet unique requirements, underscoring their proficiency in both front-end and back-end development.
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$5,000+< $25 / hr50 - 249Kolkata, India
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See all 22 projectsMass Software Solutions Private Limited is a versatile web development company specializing in Website Development, Web Design, and Online Development, with a proven expertise in building custom solutions like e-learning platforms and modernizing websites. Overall, 100% of reviewers express satisfaction, praising their professional team for delivering projects on time and offering impressive project management. Notably, 75% highlight their collaborative approach and effective communication.
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$25,000+$50 - $99 / hr10 - 49București, Romania
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See all 36 projectsAtta Systems is a proficient web development company, specializing in services such as custom website development, full-stack web development, and web application development. They have consistently received positive feedback, with 100% of reviewers appreciating their professionalism and problem-solving capabilities. Clients commend their effective project management and seamless communication, highlighting their ability to deliver high-quality projects within budget and on time.
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$5,000+$50 - $99 / hr50 - 249Surat, India
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See all 12 projectsThePlanetSoft is a distinguished web development company specializing in custom website development and full-stack web development. Their reviews highlight a consistent theme of excellent project management, with 100% of deliverables meeting or exceeding expectations. Approximately 90% of reviewers commend their transparent communication and technical expertise, while their ability to accommodate evolving requirements and deliver projects on time further underscores their reputation as a reliable and effective partner.
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$10,000+$25 - $49 / hr10 - 49Alexandria, Egypt
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See all 15 projectsIdentity Solutions is a web development company renowned for its expertise in custom website development, mobile app creation, and delivering high-quality digital solutions. With 100% positive feedback from clients, they are praised for their responsive communication, flexibility, and ability to meet complex requirements while delivering on time and within budget. Notably, 80% of reviewers commend their communication and project management skills.
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$50,000+$150 - $199 / hr10 - 49Minneapolis, MN
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See all 19 projectsKRUTSCH is a full-service web development company offering custom website development, web application development, and mobile app creation. Clients describe KRUTSCH as responsive and attentive, with 83% praising their project management abilities. While some clients noted initial challenges, 67% highlighted the company's ability to adapt and meet their unique needs, resulting in successful project outcomes.
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$5,000+$100 - $149 / hr50 - 249Franklin Lakes, NJ
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See all 4 projectsUX Team is a web development company recognized for their expertise in UXP design and development. They receive high praise, with 100% of reviewers highlighting their reliability and attention to detail. Clients commend their good culture fit and value for cost, with no noted areas for improvement.
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$5,000+$50 - $99 / hr10 - 49Luton, England
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See all 11 projectsRSA Creative Studio is a web development company specializing in custom website development and Webflow integration. The reviews are overwhelmingly positive, with 100% of clients praising their responsiveness and timely delivery. Approximately 80% of reviewers highlight their project management capabilities and ability to adapt to client needs, showcasing strong communication skills and value for cost.
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$10,000+$50 - $99 / hr10 - 49Ciudad de México, Mexico
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See all 20 projectsSISU Technologies is a web development company specializing in custom website development, web app design, and full-stack web development. Reviews indicate that they provide high-quality services with strong communication, timely delivery, and excellent project management. Approximately 85% of reviewers highlight their responsiveness and professionalism, while 15% suggest improvements in initial budget and deadline estimations. Overall, SISU Technologies is commended for their expertise and value for cost.
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$25,000+$25 - $49 / hr50 - 249Kyiv, Ukraine
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See all 22 projectsMWDN is a comprehensive web development company specializing in full-stack web and application development services. The company has received overwhelmingly positive feedback, with 100% of reviews highlighting their effective project management, timely delivery, and adaptability to client needs. Clients frequently commend MWDN for their professional communication and strong cultural fit, making them a reliable partner for varied development projects.
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$10,000+$100 - $149 / hr10 - 49San Francisco, CA
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See all 6 projectsNova Era Agency is a web development company specializing in custom website development, web design, and SEO. The agency consistently receives positive feedback, with over 90% of reviewers highlighting their excellent communication and project management. Clients commend their creativity, responsiveness, and ability to deliver tailored solutions that enhance online presence and engagement.
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$10,000+$50 - $99 / hr10 - 49Coventry , England
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See all 20 projectsImobisoft is a comprehensive web development company specializing in custom website development, web application development, and full-stack web development services. They consistently receive positive feedback for their high-quality work, with clients frequently praising their responsiveness and technical expertise. Approximately 90% of reviewers highlight their timely delivery and effective communication, although some mention occasional communication slowdowns on smaller projects. Overall, Imobisoft maintains a strong reputation for delivering well-executed solutions.
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$5,000+$25 - $49 / hr10 - 49Kyiv, Ukraine
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See all 24 projectsFaster Than Light is a web development company that excels in custom web application development and full-stack solutions, with expertise in front-end and back-end development. Reviews highlight their strong project management and responsiveness, with 100% of reviewers noting their effective communication and dedication. Clients frequently praise the team's professionalism and ability to integrate seamlessly, acting as an extension of their own teams.
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$5,000+< $25 / hr50 - 249Claymont, DE
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See all 30 projectsUncanny Consulting Services LLP is a versatile web development company specializing in Website Development, Web Design, and custom Odoo implementations. With 100% positive feedback, clients praise their professionalism, timely delivery, and technical expertise, particularly in WordPress and e-commerce solutions. Their commitment to quality and communication impresses clients, allowing for successful project execution and long-term collaboration.
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$10,000+$50 - $99 / hr10 - 49Castelldefels, Spain
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See all 7 projectsUnimedia Technology is a versatile web development company specializing in Web Application Development, Full-Stack Web Development, and UI design. Reviewers unanimously praise their responsiveness, technical expertise, and seamless integration with client teams, with 100% expressing satisfaction with their project management and deliverables. Clients appreciate their ability to enhance customer engagement and rapidly implement UI improvements.
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$1,000+$100 - $149 / hr10 - 49Murray, UT
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See all 9 projectsSites by Sara is a professional web development company specializing in custom website development, web design, and SEO services. With a consistent 100% positive feedback rate, clients praise their exemplary project management, timely delivery, and effective communication. Approximately 85% of reviewers highlight their creativity and ability to exceed expectations in delivering user-friendly, engaging web solutions.
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$25,000+$100 - $149 / hr10 - 49Cardiff, Wales
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See all 12 projectsIllustrate Digital is a web development company specializing in custom website development, web design, and full-stack web development, particularly using WordPress. The company receives overwhelmingly positive feedback for its project management, communication, and expertise, with 95% of reviews highlighting their collaborative approach and ability to meet client needs efficiently. Clients consistently praise their responsiveness and ability to translate complex requirements into effective web solutions.
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$5,000+$100 - $149 / hr2 - 9Bengaluru, India
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See all 4 projectsWebyansh is a web development company specializing in website design and development, web application development, and custom website development. Reviews indicate a 100% positive feedback rate, with clients praising their professional project management, timely delivery, and understanding of client needs. Approximately 75% of reviewers noted Webyansh's impressive flexibility and value for cost.
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$10,000+$100 - $149 / hr2 - 9Bratislava, Slovakia
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See all 15 projectsWebyst is a web development company specializing in website design, web development, and project management. Reviewers consistently praised Webyst for their exceptional speed, attention to detail, and professionalism, with 100% of feedback being positive. Notably, 80% of reviewers commended their ability to deliver projects on time and within budget, highlighting their excellent communication and problem-solving skills.
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$10,000+$25 - $49 / hr50 - 249Beograd, Serbia
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See all 4 projectsBakson Ltd is a versatile software development and IT services company, specializing in ERP migrations, e-commerce solutions, open-source contributions, and data analytics. All reviews highlight their ability to deliver projects on time, with 100% of clients praising their communication and project management skills. Clients appreciate their technical expertise, adaptability, and seamless integration with client teams, making them a reliable partner for complex technical solutions.
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$10,000+$25 - $49 / hr10 - 49Dnipro, Ukraine
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See all 14 projectsFlyaps is a full-stack web development company specializing in custom web application development and web design. The reviews reflect overwhelmingly positive feedback, with 100% of clients praising their technical expertise, project management, and communication skills. Clients appreciate their ability to deliver high-performance, scalable solutions while maintaining a personal touch, with a notable 67% highlighting their outstanding user experience design and responsiveness to client needs.
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$5,000+$50 - $99 / hr10 - 49Rīga, Latvia
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See all 11 projectsUNECOS SOLUTIONS is a web development company known for providing custom website development and CRM solutions. Across their reviews, they consistently receive praise for their professionalism, adaptability, and timely delivery, with nearly 100% of feedback highlighting their client-centric approach and high-quality output. Their expertise in web design and development, coupled with strong project management, has led to significant operational improvements for their clients.
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$1,000+$25 - $49 / hr50 - 249Ahmedabad, India
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See all 27 projectsLogicRays Technologies Pvt. Ltd. is a web development company specializing in custom website development and web application development services, excelling in both front-end and back-end development. With an impressive track record, over 90% of reviews highlight their exceptional project management, timely delivery, and innovative solutions, particularly in using the MERN stack and Magento, ensuring high client satisfaction and efficient communication.
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$10,000+$150 - $199 / hr10 - 49Toronto, Canada
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See all 8 projects9thCO Inc. is a web development company specializing in custom website and database development. They consistently deliver high-quality, full-stack web development services, as reflected in 100% positive reviews. Clients commend their effective project management, responsiveness, and ability to align with client values and budgets, highlighting their expertise in web design and user engagement improvements.
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$5,000+$25 - $49 / hr10 - 49Kyiv, Ukraine
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See all 15 projectsWebCap Digitals is a full-stack web development company offering services such as Website Development, Web Design, and Back-End Development. Overall, 100% of their reviews are positive, highlighting their strong project management, timely delivery, and exceptional communication. Many clients (at least 70%) appreciate their ability to adapt and deliver quality results under challenging conditions, showcasing their commitment and professionalism.
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$1,000+< $25 / hr10 - 49
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See all 9 projectsTekNexuss is a web development company specializing in custom website development, web application development, and full-stack web development. Their reviews are overwhelmingly positive, with clients praising their project management, technical expertise, and proactive communication. Approximately 100% of customers noted the company's ability to meet deadlines and deliver high-quality solutions tailored to specific business needs. Additionally, they are recognized for their adaptability and problem-solving capabilities.
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$1,000+$25 - $49 / hr10 - 49Jaipur, India
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See all 22 projectsPrerna Trimurty Infotech Pvt. Ltd. is a web development company specializing in custom website development, web design, and full-stack web development. Nearly all reviewers commend their prompt communication and high-quality service, with no significant areas for improvement mentioned. The company stands out for its efficient project management and affordable pricing, with approximately 100% positive feedback highlighting their responsiveness and reliability.
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$10,000+$150 - $199 / hr2 - 9Toronto, Canada
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See all 33 projectsParachute Design Group Inc. is a web development and design company that excels in creating custom, responsive websites and handling brand refreshes. Their reviews highlight a strong emphasis on creativity, attention to detail, and exceptional project management, with over 90% of reviewers praising their responsiveness and organizational skills. Key attributes such as flexibility and alignment with client values are frequently mentioned, showcasing their holistic approach to web development and client satisfaction.
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$50,000+$100 - $149 / hr50 - 249Sydney, Australia
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See all 33 projectsAppello Software is a versatile web development company specializing in custom website and web application development, offering front-end and back-end solutions across various industries. Reviews reveal a pattern of satisfaction with their design quality and project management, with an 85% positive feedback rate highlighting their efficiency and collaborative approach. However, approximately 15% of clients noted issues with initial budgeting estimates.
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$1,000+< $25 / hr50 - 249Jaipur, India
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See all 12 projectsAmbient Infotech is a web development company specializing in custom website development and eCommerce solutions. The overall feedback is overwhelmingly positive, with 95% of deliverables completed on time and user satisfaction reaching 90%. Clients commend their technical precision, project management, and ability to align with brand identity, though some suggest more documentation for post-launch training.
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$50,000+$25 - $49 / hr50 - 249Bijeljina, Bosnia and Herzegovina
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See all 8 projectsitMedia is a web development company specializing in full-stack web and mobile platform development. They have consistently received positive feedback, with 100% of reviewers praising their professionalism, structured project management, and ability to deliver complex projects on time. Clients commend their commitment to quality and adaptability, making them a reliable partner for both small and large-scale projects.
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$5,000+< $25 / hr50 - 249ha noi, Vietnam
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See all 9 projectsNKKTech Global is a highly-rated Web Development company noted for its technical expertise in Full-Stack Web Development and proactive project management. With 100% positive feedback, clients commend their ability to deliver projects ahead of schedule while exceeding expectations, resulting in increased website engagement and reduced internal workloads. Their adaptability and clear communication contribute to a seamless and efficient development process.
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$25,000+< $25 / hr10 - 49Quezon City, Philippines
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See all 9 projectsJLabs is a full-stack web development company that provides services such as back-end and web application development. The company is praised for delivering projects on time and within budget, and 100% of the reviews highlight their strong communication and alignment with client needs. Some feedback suggests improved testing and documentation could further enhance their service.
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$1,000+$100 - $149 / hr10 - 49South Yarra, Australia
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See all 15 projectsSalt & Fuessel is a versatile digital agency specializing in Website Development, SEO, and digital marketing services. Their reviews reveal a client satisfaction rate of over 90%, with frequent praise for their strategic approach, transparency, and ability to deliver measurable results. Clients commend their strong project management, creativity, and commitment to aligning with business goals, highlighting their effectiveness in enhancing digital presence and achieving substantial ROI.
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$25,000+$25 - $49 / hr2 - 9Astana, Kazakhstan
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See all 8 projectsSABYR TECHNOLOGIES is a web development company specializing in Web Development, Web Design, and Full-Stack Web Development services. The overall feedback is overwhelmingly positive, with approximately 90% of reviewers praising their project management, timely delivery, and ability to adapt solutions to meet diverse client needs. Clients consistently note their strong technical expertise and proactive approach in implementing complex web solutions.
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$5,000+$25 - $49 / hr10 - 49Sofia, Bulgaria
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See all 7 projectsCleverix - Software Engineering is a sophisticated software development company specializing in quality assurance, microservices development, and customized solutions, including CRM/TMS systems and prototypes. Their client feedback is overwhelmingly positive, with 100% of reviewers praising their technical expertise, proactive communication, and ability to integrate seamlessly into existing teams, resulting in significant improvements in project outcomes, such as enhanced quality and efficiency.
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$25,000+$100 - $149 / hr10 - 49
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See all 15 projectsioSTUDIOS is a full-stack web development company known for its comprehensive web application development and custom website development services. The company consistently receives positive feedback, with 100% of reviews highlighting its strong project management, technical expertise, and collaborative culture. Clients particularly appreciate ioSTUDIOS’ ability to deliver tailored solutions on time, with many noting their impressive dedication and cultural alignment.
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$250,000+$150 - $199 / hr10 - 49Littleton, CO
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See all 6 projectsBriebug is a web development company specializing in custom website development and agile solutions. They received 100% positive feedback, with reviewers praising their expertise and organized approach. Clients highlight their effective communication and responsiveness, with 100% noting improvements in system stability and efficient project management.
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$1,000+< $25 / hr10 - 49Dhaka, Bangladesh
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See all 39 projectsZAAG SYSTEMS is a web development company specializing in Website Development and Custom Website Development services. The company has consistently received positive feedback, with 100% of reviewers expressing satisfaction. Clients praise their responsive communication, timely delivery, and excellent technical capabilities, with particular emphasis on the quality of their web application and website design projects.
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$10,000+$50 - $99 / hr2 - 9
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See all 8 projectsIktomi is a professional web development company that excels in custom website development, web design, and full-stack web development. Across reviews, Iktomi is praised for their proactive project management and seamless delivery, with 100% of reviewers highlighting their responsiveness and collaboration. Their capacity to handle complex web application development projects has consistently led to successful outcomes, making them highly recommended by clients.
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$25,000+$100 - $149 / hr10 - 49London , England
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See all 14 projectsAVAMAE Software Solutions Ltd is a web development company specializing in custom web application development and full-stack web development. They have received overwhelmingly positive feedback, with 100% of reviewers highlighting their strong project management, adaptability, and ability to understand client needs. Notably, 80% of reviews commend their expertise in developing user-friendly and innovative platforms.
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$25,000+$100 - $149 / hr50 - 249London, England
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See all 19 projectsPocket App is a full-stack web and mobile application development company known for its expertise in creating custom platforms, as evidenced by their work on a feature-rich recruitment app. Reviews highlight their proactive project management and technical proficiency, with 100% positive feedback on meeting deadlines and staying within budget. Most reviewers commend their forward-thinking approach, notably the project lead's ability to anticipate and address potential issues effectively.
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$5,000+$25 - $49 / hr10 - 49Toronto, Canada
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See all 40 projectsParacon Consultants Corp. is a web development company specializing in the creation of custom web and mobile applications tailored to specific operational needs. Client feedback highlights their attention to detail and ability to adapt to real-world workflows, resulting in enhanced operational efficiency. Consistently praised for delivering projects on time, the company maintains a 100% positive satisfaction rate, with 80% of reviewers mentioning the practical implementation of solutions.
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$25,000+$50 - $99 / hr10 - 49Warszawa, Poland
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See all 12 projectsImpiCode is a web development company specializing in web application development, custom website development, and full-stack web development. They consistently receive positive feedback, with 100% of reviewers highlighting their technical competence and proactive communication. Clients commend their ability to deliver projects on time and their dedication to professional and responsive website solutions.
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$10,000+$150 - $199 / hr10 - 49Raleigh, NC
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See all 29 projectsLithios is a web development company specializing in custom website development and web application development with a strong focus on front-end and back-end development. Garnering overwhelmingly positive feedback, 100% of reviewers praise their timely delivery, professionalism, and creative solutions. Clients highlight their exceptional project management skills and the ability to exceed expectations while maintaining budgetary constraints.
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$1,000+$100 - $149 / hr10 - 49
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See all 11 projectsChoice OMG is a web development company specializing in custom website development, web design, and digital strategy. They consistently receive positive feedback for their project management and communication skills, with 100% of reviewers praising their professionalism and dedication. Reviewers highlight their ability to improve web presence and search rankings, with 75% noting significant increases in traffic and conversions.
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$25,000+$50 - $99 / hr10 - 49Cluj-Napoca, Romania
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See all 14 projectsSalt & Pepper is a versatile web development company specializing in custom website development and web application development. The reviews highlight their proficiency in creating complex digital ecosystems, mobile apps, and web admin portals. Clients commend their strong project management, timely delivery, and adaptability, with over 90% of feedback being positive. Notably, 80% of clients appreciate their ability to align with company values and operational needs.
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$5,000+$50 - $99 / hr10 - 49Baar, Switzerland
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See all 12 projectsBertoni Solutions is a web development company specializing in Web Application Development and Full-Stack Web Development. The feedback from clients is overwhelmingly positive, with 100% of reviewers praising their effective communication and design capabilities. However, some challenges with specialized requirements like CAD file handling and quality assurance were noted but ultimately resolved.
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List of the Top 15 JavaScript Development Companies
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$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 -
$25,000+$50 - $99 / hr50 - 249Kraków, Poland
Ability to deliver
39.3/40.019.4/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.3/40.019.4/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
45% Web Development75% JavaScript55% 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
38.5/40.019.2/20 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+$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 -
$5,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
36.3/40.017.4/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$10,000+$50 - $99 / hr250 - 999Marlborough, MA
Ability to deliver
39.5/40.019.8/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
25% Web Development25% JavaScript75% 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 - 249Newark, DE
Ability to deliver
39.6/40.019.6/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
40% Web Development35% JavaScript60% Other -
$50,000+$25 - $49 / hr50 - 249Kharkiv, Ukraine
Ability to deliver
36.6/40.016.8/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
45% Web Development50% JavaScript55% 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 -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
37/40.018/20 Reviews10/10 Clients & Experience9/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$50,000+$100 - $149 / hr1,000 - 9,999San Francisco, CA
Ability to deliver
38.3/40.018.4/20 Reviews9.9/10 Clients & Experience10/10 Market PresenceService focus
15% Web Development25% JavaScript85% 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 -
$10,000+$50 - $99 / hr10 - 49Warszawa, Poland
Ability to deliver
37.5/40.018.2/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
50% Web Development70% JavaScript50% Other -
$10,000+$25 - $49 / hr1,000 - 9,999Plano, TX
Ability to deliver
36.5/40.016.8/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$50,000+$150 - $199 / hr50 - 249Matlock, England
Ability to deliver
37.8/40.018/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
100% Web Development30% JavaScript -
$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 -
$50,000+$150 - $199 / hr50 - 249New York, NY
Ability to deliver
35.5/40.015.8/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$5,000+$50 - $99 / hr50 - 249Maribor, Slovenia
Ability to deliver
36.1/40.020/20 Reviews10/10 Clients & Experience6.1/10 Market PresenceService focus
40% Web Development100% JavaScript60% Other -
$50,000+$50 - $99 / hr1,000 - 9,999L'viv, Ukraine
Ability to deliver
37.6/40.017.8/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
21% Web Development18% JavaScript79% Other -
$25,000+$50 - $99 / hr50 - 249Poznań, Poland
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
50% Web Development10% JavaScript50% 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.