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 87 projectsDigis, a Fiverr company (NYSE: FVRR), specializes in full-stack web development, providing comprehensive services such as web and mobile app development, front-end and back-end engineering, and UI/UX design. With over 90% positive feedback, clients consistently praise their technical expertise, seamless communication, and proactive project management, attributing significant business success and operational enhancements to Digis' contributions.
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$25,000+$50 - $99 / hr50 - 249Montevideo, Uruguay
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See all 47 projectsCodigoDelSur is a distinguished company specializing in full-stack web development, online development, and web application development. The company consistently receives high praise for its technical competence and project management skills, with approximately 100% of reviews acknowledging their strong communication and collaborative approach. Clients commend them for their ability to deliver quality code and meet deadlines, with 80% describing their deliverables as outstanding and impactful to their business processes.
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$5,000+$25 - $49 / hr10 - 49Pimpri-Chinchwad, India
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See all 11 projectsNitrous is a web development company specializing in Website Development, Web Design, and Web Programming. With an 85% positive feedback rate, clients commend their flexibility, dedication, and impressive design skills. Common areas for improvement include proactive communication and project management efficiency, as noted by 30% of reviewers. Overall, Nitrous consistently delivers functional and visually appealing websites.
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$10,000+$25 - $49 / hr50 - 249Ahmedabad, India
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See all 26 projectsThird Rock Techkno is a versatile web development company specializing in web application development, custom website development, and front-end development across various technologies, including Angular and React.js. Over 90% of reviews emphasize their impressive project management, commitment to quality, and excellent communication. Clients consistently highlight their technical expertise and professionalism, with many expressing 100% satisfaction with their services.
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$5,000+$50 - $99 / hr10 - 49Miami, FL
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See all 13 projectsKadabra IT is a distinguished web development company, renowned for its expertise in Website Development, Web Dev, and Custom Website Development. With over 85% of reviews highlighting their responsiveness and creative problem-solving, clients commend their ability to deliver projects on time and within budget. Although minor communication challenges are noted, Kadabra IT is praised for its commitment to client satisfaction and long-term collaboration.
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$25,000+$150 - $199 / hr10 - 49Washington, DC
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See all 8 projectsnclud is a web development company specializing in custom Website Development and Web Design. They have demonstrated robust project management capabilities, highlighted by a 100% satisfaction rate among clients citing their creativity, responsiveness, and flexibility. Clients frequently commend nclud for their ability to translate complex visions into functional, visually appealing websites, with approximately 75% noting their strong communication and personal attention.
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$100,000+$50 - $99 / hr250 - 999Charlotte, NC
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See all 5 projectsRapidops, Inc. is a web development company specializing in comprehensive solutions such as web application development and full-stack web development. Clients consistently praise Rapidops' quality, creativity, and efficient project management, with 90% of feedback highlighting their ability to handle complex tasks and ensure quality assurance. Some reviews noted minor limitations in their literal interpretation of project scopes.
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$5,000+$25 - $49 / hr50 - 249Chennai, India
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See all 14 projectsZaigo Infotech Software Solutions is a full-stack web development company specializing in custom website and application development. They consistently receive positive feedback for on-time delivery, responsiveness, and effective project management. Reviewers highlight their ability to align with client values and budgets, with 100% of reviews mentioning timely project completion and strong communication.
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$10,000+$50 - $99 / hr10 - 49Montevideo, Uruguay
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See all 8 projectsCavepot is a web development company specializing in web programming and custom website development. With 100% positive feedback, clients commend their structured project management, responsiveness, and dedication to quality and scale. Notably, 100% of reviewers highlight their capability to handle complex projects effectively, underscoring their impressive "never say never" attitude.
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$50,000+$100 - $149 / hr10 - 49Chicago, IL
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See all 4 projectsSpark Equation is a web development company with expertise in backend development and cloud migrations, particularly specializing in .NET and Angular technologies. The overall feedback is positive, with 100% of reviewers noting their structured project management and strong communication. One suggestion for improvement is the addition of more frontend design resources.
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$10,000+$150 - $199 / hr2 - 9Seattle, WA
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See all 67 projectsSayenko Design is a web development company specializing in custom website development and web design, with a strong focus on WordPress platforms. Their clients consistently commend them for delivering projects on time and for their responsive communication, with 100% of reviews mentioning timely delivery and effective project management. The company's expertise in front-end and back-end development is frequently highlighted as a standout feature.
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$10,000+$100 - $149 / hr10 - 49Edinburgh, Scotland
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See all 10 projectsGearedApp is a web development company specializing in custom website development and complex web programming solutions. With 100% positive feedback from clients, the company is praised for its innovative, solutions-oriented mindset and excellent communication. Clients commend GearedApp's ability to efficiently create tailored platforms and seamless project management.
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$5,000+$100 - $149 / hr10 - 49Warrington, England
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See all 56 projectsAtomic Digital Marketing / Atomic Digital Labs is a versatile digital marketing agency providing services in Web Development, SEO, and Digital Marketing. Reviews highlight their expertise, professionalism, and responsiveness, with 100% positive feedback emphasizing their ability to deliver projects on time and cater to diverse client needs. Notably, 75% of reviewers commend their web development capabilities, making them a formidable choice for web programming and custom website development projects.
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$10,000+$150 - $199 / hr10 - 49St. Louis, MO
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See all 4 projectsHexxen is a web development company specializing in custom website development and web design. The company receives overwhelmingly positive feedback, with about 100% of reviewers highlighting their effective communication and personalized service. Clients commend Hexxen's thorough project management and innovative solutions, showcasing their expertise in creating visually impressive and functional websites.
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$25,000+$100 - $149 / hr10 - 49
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See all 22 projectsClearSummit is a web development company specializing in custom web application development, particularly using Django and Python. The reviews highlight their expertise in full-stack web development, with 100% of their clients praising their responsiveness, adherence to deadlines, and quality of work. Clients appreciate their innovative approach, while areas for improvement are minimal, suggesting a strong overall performance.
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$25,000+$50 - $99 / hr50 - 249Wrocław, Poland
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See all 25 projectsBlurify, a distinguished web development company, excels in delivering comprehensive solutions like web application development, custom website development, and full-stack web development. Their commitment to understanding client objectives and delivering tailored solutions is consistently praised, with 100% of reviews highlighting their effective communication and project management skills. Clients commend their technical expertise and ability to enhance brand visibility, as evidenced by participation in international trade fairs and achieving market leadership.
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$25,000+$25 - $49 / hr10 - 49Buenos Aires, Argentina
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See all 21 projectsGreelow is a web development company that excels in delivering diverse and high-quality web solutions, including full-stack web development and custom website development. The company is highly praised for its proactive communication and ability to provide skilled developers rapidly, with 100% of reviewers highlighting the impressive talent and flexibility of their team. Positive feedback is unanimous, with no areas for improvement suggested.
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$1,000+$25 - $49 / hr250 - 999Hanoi, Vietnam
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See all 1 projectsDEHA VIET NAM is a software development company specializing in mobile applications, cloud services, and IoT solutions. The overall feedback is positive, highlighting their high-level development skills and cost-effectiveness, although there is a noted need for improvement in development speed. Approximately 100% of the feedback appreciates their technical proficiency and affordability.
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$10,000+$50 - $99 / hr10 - 49Poznań, Poland
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See all 6 projectsMUG, a proficient web development company, specializes in comprehensive solutions such as full-stack web development and custom website development. Their reviews reflect a 100% positive feedback rate, highlighting their timely delivery, responsive communication, and adaptability. Notably, 50% of reviewers commend their innovative problem-solving and flexibility to adapt to changing client needs.
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$5,000+$50 - $99 / hr10 - 49Cape Town, South Africa
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See all 3 projectsElemental is a web development company specializing in full-stack web development and custom web application development, particularly using PHP and SQL. Across reviews, Elemental consistently receives positive feedback for their solid product delivery, with approximately 80% of clients appreciating their project management and QA processes. Clients highlight their capacity to manage complex projects and deliver logical, well-structured solutions, although some suggest improvements in time management and resource scaling.
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$1,000+$50 - $99 / hr10 - 49Zagreb, Croatia
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See all 1 projectsCyber64 - Adobe Experience Cloud is a web development company specializing in e-commerce solutions using Adobe Experience Manager, Hybris, and SAP. Feedback is overwhelmingly positive, with 100% of reviewers highlighting their project management skills and cultural fit, resulting in a successful e-commerce launch that significantly boosted sales. Clients appreciate their responsiveness and ability to adapt to fast-paced environments.
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$10,000+$25 - $49 / hr10 - 49L'viv, Ukraine
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See all 9 projects.doCode is a Web Development company specializing in Front-End Development, Custom Website Development, and Full-Stack Web Development. They consistently receive high praise, with 100% of reviewers highlighting their professionalism, timely delivery, and adherence to best practices. Their expertise in Web Programming and design integration ensures reliable and efficient project outcomes.
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$5,000+$25 - $49 / hr10 - 49Beograd, Serbia
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See all 9 projectsProjectland is a full-stack web development company specializing in custom website development, web application development, and process automation. The company consistently receives positive feedback, with over 90% of reviews highlighting their prompt communication, professionalism, and successful project delivery. Many clients appreciate their creativity and seamless integration into the client's team, with no noted areas for improvement.
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$25,000+$25 - $49 / hr10 - 49Astana, Kazakhstan
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See all 8 projectsResolventa is a web development company providing full-stack web development services, specializing in custom website development and web design. The overall feedback is overwhelmingly positive, with 100% of reviewers highlighting their technical expertise, timely delivery, and effective communication. Clients commend Resolventa for their understanding of complex projects and ability to transform concepts into functional web applications.
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$5,000+$50 - $99 / hr10 - 49Львів, Ukraine
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See all 6 projectsMarffa Agency is a web development company specializing in Website Development and Custom Website Development. The agency consistently receives positive feedback for their agility, strategic thinking, and responsive project management. Reviews highlight their ability to meet tight deadlines and deliver quality user-friendly websites, with 100% of reviewers praising their professionalism and communication. Some suggested improvements include expanding language capabilities and internal documentation.
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$10,000+$50 - $99 / hr10 - 49Warszawa, Poland
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See all 8 projectsCodefia is a web development company specializing in custom website and web application development. They consistently receive positive feedback, with over 90% of reviewers praising their high project execution standards, effective project management, and insightful design concepts. Clients often highlight Codefia's excellent communication and commitment to meeting project goals, indicating a strong focus on client satisfaction and quality delivery.
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$1,000+$25 - $49 / hr10 - 49Surat, India
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See all 13 projectsSquillion Technology specializes in Web Development and Web Application Development, demonstrating a strong commitment to excellence and innovation. All reviewers (100%) highlight their timely delivery, proactive approach to suggestions, and effective communication. Their openness to improvement and alignment with client needs are consistently praised across feedback.
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$50,000+$150 - $199 / hr10 - 49Chicago, IL
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See all 9 projectsChromatic is a distinguished web development company specializing in custom website development, web application development, and full-stack web development, with a notable expertise in Drupal. Feedback from clients is overwhelmingly positive, with approximately 100% of customers praising their project management skills, attention to detail, and quality of deliverables. Chromatic’s ability to integrate seamlessly with client teams and adapt to changing needs is frequently highlighted, contributing to successful outcomes such as increased online traffic and improved user experiences.
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$25,000+$100 - $149 / hr10 - 49Manchester, England
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See all 19 projectsCorporation Pop Ltd is a distinguished web development company specializing in custom website development, web application development, and full-stack web development. With 100% positive feedback, clients consistently commend Corporation Pop for their creativity, clear communication, and ability to deliver projects on time and within budget. Their long-standing collaborations and tailored solutions highlight their expertise in website hosting, design, and development.
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$10,000+$25 - $49 / hr50 - 249Cape Town, South Africa
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See all 12 projectsHaefele Software is a web development company that excels in custom website development and full-stack web development. The reviews highlight their professional, knowledgeable, and experienced team, with 100% positive feedback on their communication and project management. Clients appreciate their alignment with company values and commitment to continuous improvement.
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$10,000+$25 - $49 / hr250 - 999Thiruvananthapuram, India
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See all 10 projectsTrenser Technology Solutions (P) Ltd. is a versatile software development company specializing in AI, medical imaging, IoT, and cloud-based solutions. Reviews commend their technical expertise, project management, and customer dedication, with over 90% of feedback highlighting their ability to meet complex requirements and deliver results efficiently. Many clients appreciate their proficiency in deep learning, visualization, and the capacity to integrate seamlessly with existing teams.
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$10,000+$100 - $149 / hr10 - 49München, Germany
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See all 12 projectsMainmatter is a seasoned web development company that excels in full-stack and custom website development, consistently delivering high-quality, performance-focused solutions. With 100% positive feedback, clients commend their strong technical expertise, effective communication, and proactive project management. The company is particularly noted for its ability to independently drive projects forward and actively participate in improving client processes and infrastructure.
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$5,000+$25 - $49 / hr10 - 49Dublin, Ireland
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See all 5 projectsSommo is a versatile web development company specializing in no-code solutions, known for its expertise in platforms like Bubble and Webflow. Clients commend Sommo for their rapid delivery and high-quality work, with all feedback indicating satisfaction. Their adaptive team efficiently handles diverse tasks, offering comprehensive services from UI/UX design to full-stack web development, which 100% of reviewers highlighted as impressive.
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$5,000+$200 - $300 / hr10 - 49Laval, Canada
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See all 5 projectsDirect Impact Solutions is a custom website development and web application development company known for its strong project management and client-focused approach. The reviews highlight their effective communication, timely delivery, and ability to tailor solutions to client needs, with 100% of reviewers expressing satisfaction and no suggestions for improvement. Clients commend their professional yet personable service and high-quality work.
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$100,000+$50 - $99 / hr1,000 - 9,999San Francisco, CA
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See all 10 projectsWizeline is a full-stack web development company renowned for its expertise in front-end and back-end development. With approximately 100% positive feedback, clients praise its ability to deliver efficient solutions and integrate seamlessly with existing teams, as evidenced by its work on custom web applications like ThynkBooks, which enhanced user experience and operational efficiency.
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$10,000+$50 - $99 / hr2 - 9
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See all 34 projects56 Degrees is a web development company specializing in custom website development and full-stack web development services. With overwhelmingly positive feedback, 100% of reviewers highlight their excellent project management, timely delivery, and responsive communication. Clients commend their ability to exceed expectations, adapt to changes, and integrate seamlessly with internal teams, demonstrating expertise in front-end and back-end development.
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$10,000+$25 - $49 / hr10 - 49Curridabat, Costa Rica
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See all 11 projectsParallelDevs is a proficient web development company specializing in Custom Website Development and Full-Stack Web Development. They consistently receive positive feedback, with over 90% of reviewers praising their project management and communication skills. Clients highlight their exceptional design capabilities and ability to deliver high-quality websites that enhance user engagement and meet complex requirements, demonstrating remarkable flexibility and responsiveness in addressing client needs.
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$10,000+$50 - $99 / hr10 - 49Lisboa, Portugal
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See all 1 projectsWidgiLabs is a web development company specializing in Front-End and Back-End Development, leveraging technologies like JavaScript and Ruby on Rails. Client feedback is overwhelmingly positive, highlighting their excellent project management and technical expertise; 100% of reviewers commend their motivation and enthusiasm, and there are no noted areas for improvement.
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$25,000+$50 - $99 / hr50 - 249Vilnius, Lithuania
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See all 17 projectsScaleTech is a distinguished web development company excelling in Custom Website Development, Web Application Development, and Front-End Development. With 100% of reviews highlighting their timely delivery and cost-effective services, clients commend their ability to balance quality and affordability. Their expertise in integrating complex functionalities into user-friendly interfaces is noteworthy.
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$50,000+$25 - $49 / hr50 - 249Tallinn, Estonia
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See all 12 projectsMetaProject is a web development company specializing in custom website development, web application development, and full-stack web development. Reviews highlight their high-level involvement, innovative solutions, and effective communication. Approximately 90% of feedback is positive, with clients praising their technical expertise and problem-solving abilities, though some note room for improvement in project speed and quality assurance.
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$10,000+$50 - $99 / hr10 - 49Warszawa, Poland
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See all 12 projectsBoring Owl is a Web Development company excelling in Front-End Development and Full-Stack Web Development. Their reviews highlight a 100% positive feedback rate, praising their professional commitment, transparency, and effective communication. Clients commend Boring Owl's SEO knowledge and adaptability, with one reviewer noting successful project delivery that aligned with expectations and established guidelines.
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$10,000+$50 - $99 / hr50 - 249Niš, Serbia
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See all 31 projectsIngsoftware is a comprehensive Web Development company with expertise in various sectors, including financial services, SaaS solutions, and custom website development. Positive feedback is consistent, with an estimated 90% of reviewers highlighting their professionalism, timely delivery, and deep understanding of client needs. Their commitment to quality and proactive approach is frequently praised, as well as their ability to integrate with clients' existing workflows.
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$50,000+$50 - $99 / hr50 - 249
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See all 18 projectsMad Devs is a web development company that excels in full-stack web and web application development, often using technologies like Python and Django. With 100% positive reviews, clients praise their strong communication, flexibility, and project management skills. Consistent themes in the feedback highlight their professionalism, timely delivery, and ability to understand and meet complex project needs effectively.
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$5,000+$25 - $49 / hr10 - 49Warszawa, Poland
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See all 16 projectsArtifact | Design Engineered is a distinguished web development company specializing in Webflow development, UX/UI design, and custom website development. With 100% positive feedback across reviews, clients praise their project management, on-time delivery, and deep understanding of project requirements. They excel in creating user-friendly, responsive websites that boost engagement and conversion rates, demonstrating a high level of expertise and adaptability.
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$25,000+$100 - $149 / hr10 - 49
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See all 2 projectsEnhanceable is a custom software development company specializing in creating platforms and dashboards for improved client communication and operational efficiency. Across two detailed reviews, 100% of clients praised their responsiveness and ability to meet or exceed expectations, highlighting their attention to detail and project management skills. Both reviewers mentioned founder Harvey as a key point of contact, noting effective communication and timely deliverables.
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$10,000+< $25 / hr50 - 249Mumbai, India
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See all 47 projectsWDI - A Mobile App Development Company is a versatile web development firm offering services such as Website Development, Web Design, and Digital Marketing. With over 20 years of experience, the company receives overwhelmingly positive feedback, with no negative reviews reported. Clients frequently praise their project management, timely delivery, and the ability to transform ideas into functional websites, highlighting their adaptability and client-focused approach.
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$5,000+$25 - $49 / hr50 - 249London, England
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See all 27 projectsProtocloud Technologies Pvt. Ltd. is a versatile web development company excelling in Web Application Development and custom website solutions. Reviews indicate a high level of client satisfaction, with over 90% highlighting their timely delivery, effective project management, and professional team. Approximately 80% of reviewers commend their value for cost and alignment with company values.
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$10,000+$25 - $49 / hr10 - 49Sahibzada Ajit Singh Nagar, India
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See all 31 projectsWebethics is a comprehensive web development company specializing in custom website development, web design, and web application development. Across their reviews, 100% of the feedback highlights their high-quality work, efficient project management, and responsive communication. Clients often commend their adaptability and proactive problem-solving, with 70% mentioning their ability to exceed expectations and meet deadlines consistently.
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$10,000+$150 - $199 / hr10 - 49Santa Monica, CA
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See all 19 projectsFullsend Solutions Inc. is a full-stack web development company praised for delivering high-quality web development, web design, and app development services. They consistently receive positive feedback, with over 90% of reviews highlighting their responsiveness, communication, and ability to deliver projects on time. Common themes in client testimonials include their outstanding project management and strong cultural fit.
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$5,000+$25 - $49 / hr10 - 49Ahmedabad, India
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See all 12 projectsRainstreamweb is a web development company specializing in custom website development, full-stack web development, and web application development. They receive mixed feedback, with approximately 60% of clients praising their speed, technical skills, and commitment to project success, while 40% report issues with professionalism and project management. Reviews highlight their proficiency in front-end and back-end development, but also a need for improvement in maintaining consistent communication and adhering to agreed-upon terms.
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$10,000+$50 - $99 / hr50 - 249Warszawa, Poland
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See all 19 projectse-point SA is a web development company specializing in custom website development and full-stack web development projects. The reviews indicate a high level of professionalism and expertise, with 100% positive feedback emphasizing their ability to deliver high-quality solutions tailored to specific business needs. Notably, their attention to detail and effective project management have been consistently praised, leading to enhanced platform performance for their clients.
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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
37.9/40.018.6/20 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 -
$5,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
37.3/40.018.4/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% 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 -
$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.