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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$5,000+$25 - $49 / hr50 - 249Sahibzada Ajit Singh Nagar, India
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See all 8 projectsBizdesire is a web development company specializing in Website Development and Web Design services. With consistently high ratings, 100% of reviewers commend their professionalism, responsiveness, and excellent communication. Clients highlight their expertise in Web Application Development and Custom Website Development, noting their ability to meet deadlines and deliver high-quality results, making them a highly recommended partner for web development projects.
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$25,000+$25 - $49 / hr50 - 249Brooklyn, NY
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See all 18 projectsDevtorium is a comprehensive web development company specializing in full-stack web development, web design, and custom website development. Their reviews consistently highlight their professionalism, efficient project management, and ability to deliver projects on time and within budget. Notably, 100% of the reviews praise their responsiveness and adaptability to client needs, with no negative feedback reported.
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$10,000+$25 - $49 / hr50 - 249Tomball, TX
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See all 52 projectsBytes Technolab Inc. is a comprehensive web development company specializing in full-stack web and application development. The majority of reviews (approximately 88%) highlight their strong communication, timely delivery, and seamless integration with client teams, while 12% noted project management challenges. Clients emphasize their expertise in front-end and back-end development, custom website development, and problem-solving capabilities, making them a valued partner for complex web programming projects.
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$50,000+$100 - $149 / hr50 - 249Lurgan, Northern Ireland
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See all 9 projectsGCD is a versatile web development company specializing in custom website development and web application development. The company is highly praised for its responsive project management and strategic partnership approach, with 100% of reviewers noting their professional and timely delivery. Clients commend them for their user-friendly designs and ongoing support, making GCD a reliable partner for web programming and full-stack web development projects.
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$25,000+$25 - $49 / hr50 - 249Karachi, Pakistan
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See all 13 projectsRIKSOF is a software development company specializing in mobile app, web, and IoT solutions, with capabilities in hybrid frameworks and MEAN technology stacks. Customer reviews reflect overwhelmingly positive feedback, with over 90% praising their project management, responsiveness, and quality of deliverables. Notably, around 70% of reviews highlight their ability to meet deadlines and adapt to client needs, while some suggest minor improvements in communication and resource allocation.
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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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$5,000+$50 - $99 / hr10 - 49
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See all 24 projectsLOOKSGREAT.STUDIO is a web development company specializing in custom website development and web design. The overall feedback is exceptionally positive, with reviews highlighting their creativity, project management, and ability to enhance user experience. Approximately 100% of reviewers noted significant improvements in conversion rates, and 75% mentioned impressive communication and responsiveness. However, some noted a lack of 3D capabilities.
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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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$50,000+$100 - $149 / hr10 - 49Orlando, FL
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See all 9 projectsInformulate is a web development company providing custom website development, web application development, and platform modernization services. Across their reviews, 100% of clients praise their technical expertise, project management, and ability to understand and achieve business objectives. Clients commend their agile management style and forward-thinking approach, noting Informulate's ability to deliver timely, reliable, and effective solutions.
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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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$10,000+$25 - $49 / hr50 - 249Berlin, Germany
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See all 52 projectsSloboda Studio is a full-stack web development company specializing in custom website and web application development with expertise in Ruby on Rails and React. Their client reviews indicate a high level of satisfaction with 95% highlighting their excellent project management, timely delivery, and effective communication. Many clients appreciate their adaptability and rapid problem-solving, noting the team's ability to integrate seamlessly into existing workflows.
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$25,000+$50 - $99 / hr50 - 249Montevideo, Uruguay
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See all 49 projectsCodigoDelSur is a versatile web development company offering comprehensive services such as Full-Stack Web Development, Front-End Development, and Back-End Development. The company receives predominantly positive feedback, with approximately 90% of reviews highlighting their timely delivery, agility, and exceptional project management. Clients consistently praise their ability to effectively handle complex challenges and provide innovative solutions, making them a valuable partner for various development projects.
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$25,000+$150 - $199 / hr10 - 49London, England
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See all 11 projectsBit Zesty is a web development company specializing in web application development, offering services like ongoing support, feature development, and system redesign. Across the reviews, 100% of clients appreciate their friendly and professional approach, with many highlighting their timely project delivery and effective communication. Approximately 67% of reviews mention their ability to meet complex project needs efficiently.
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$10,000+$100 - $149 / hr10 - 49Hartford, CT
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See all 77 projectsHonestAI by GrayCyan is a web development company specializing in website creation, optimization, and SEO services. Reviews highlight their reliable project management and excellent communication, with 100% positive feedback on their responsiveness and client engagement. Clients consistently praise their ability to deliver impressive and functional websites, underscoring a high client satisfaction rate.
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$10,000+$50 - $99 / hr10 - 49
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See all 23 projectsOak-Tree Technologies is a distinguished web development company specializing in custom website and web application development, including front-end and back-end solutions. Based on reviews, 100% of clients appreciate their technical expertise, punctual delivery, and responsive communication, highlighting their ability to navigate complex projects and produce high-quality results. Their commitment to client satisfaction is evidenced by seamless project management and consistently meeting client expectations.
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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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$5,000+$25 - $49 / hr10 - 49
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See all 11 projects5w155 SA is a web development company specializing in custom website development and front-end and back-end development. The reviews reflect a 100% positive sentiment, with clients frequently praising the company for its responsiveness, adherence to deadlines, and excellent communication. Approximately 80% of reviewers highlight the company's good value for cost and their ability to deliver pixel-perfect results.
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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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$10,000+$25 - $49 / hr50 - 249Hamilton, Canada
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See all 17 projectsCabot Technology Solutions, Inc is a comprehensive web development company that specializes in full-stack web development, web application development, and custom website development. Their reviews are overwhelmingly positive, with clients highlighting their technical competencies, responsiveness, and ability to deliver on time. Approximately 100% of reviews mention satisfaction with project outcomes, while some indicate a need for improved client expectation management.
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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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$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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$10,000+$25 - $49 / hr10 - 49
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See all 16 projectsRaftLabs is a proficient web development company specializing in custom website development, web application development, and full-stack web development. They have consistently received positive feedback for their project management, communication, and technical expertise, with 100% of reviewers highlighting their effective communication and transparency. Clients appreciate their ability to deliver projects on time and within budget, although some noted areas for potential improvement in UI design and mobile app development.
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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+$25 - $49 / hr50 - 249Austin, TX
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See all 34 projectsCreole Studios is a versatile web development company specializing in custom website development, full-stack web development, and web application development. The overall feedback from their reviews is overwhelmingly positive, with approximately 95% highlighting their professionalism, responsiveness, and cost-effectiveness. Many clients specifically commend the company's ability to effectively manage projects and suggest intelligent solutions, making them a reliable partner for a range of development needs.
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$25,000+$100 - $149 / hr2 - 9Austin, TX
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See all 17 projectsStandard Beagle Studio is a distinguished Web Development company known for its comprehensive offerings, including Web Design, Custom Website Development, and Web Application Development. Their commitment to delivering high-quality, on-time, and within-budget solutions is consistently praised by 100% of reviewers. Clients appreciate their responsive communication, creativity, and ability to meet complex needs, making them a reputable partner for diverse projects.
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$50,000+$150 - $199 / hr10 - 49Riyadh, Saudi Arabia
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See all 18 projectsiSpectra is a professional web development company with a strong focus on Drupal-based solutions, offering services such as custom website development, web design, and SEO optimization. Across their reviews, 100% of clients praised their effective project management, timely delivery, and impressive communication skills. A notable 90% of reviews highlight their technical expertise in web application development and front-end development, underscoring their capability in enhancing digital presence and user experience.
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$10,000+$25 - $49 / hr250 - 999Kuala Lumpur, Malaysia
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See all 36 projectsInvoZone is a web development company specializing in Website Development, Custom Website Development, and Full-Stack Web Development. The company has received overwhelmingly positive feedback, with approximately 85% of reviewers praising their professionalism, communication, and commitment to delivering high-quality products. Notably, 70% of clients commend their ability to meet deadlines and provide responsive updates throughout the project lifecycle. However, clients suggest improving initial communication to further enhance their service.
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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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$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+$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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$10,000+$150 - $199 / hr10 - 49Santa Monica, CA
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See all 20 projectsFullsend Solutions Inc. is a web development company specializing in web application development, front-end development, and custom website development. They have received overwhelmingly positive feedback, with clients consistently praising their responsive communication, timely delivery, and ability to meet project goals. Approximately 90% of reviewers highlight their effective project management and cultural alignment as key strengths.
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$5,000+$25 - $49 / hr10 - 49Warszawa, Poland
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See all 19 projectsLomray Software is a comprehensive web development company specializing in custom website and application development, including front-end and back-end services. The firm receives overwhelmingly positive feedback, with clients praising their communication and project management skills. Approximately 80% of reviews highlight Lomray's responsiveness and dedication to client satisfaction, making them a recommended partner for complex web development projects.
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$25,000+$25 - $49 / hr10 - 49Kraków, Poland
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See all 2 projectsEXB Soft is a software development company specializing in .NET, C#, and full-stack development for web and mobile applications. The overall feedback from clients is positive, highlighting their professionalism, timely delivery, and creative problem-solving. Approximately 95% of reviewers are satisfied with their communication and project management skills.
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$25,000+$25 - $49 / hr50 - 249Granite Bay, CA
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See all 7 projectsFullStack Labs is a Web Development company specializing in Custom Website Development and Web Application Development. The company is praised for its efficient agile development plans and strong communication skills, with nearly 100% of clients expressing satisfaction with their services. While some reviewers noted minor communication gaps, overall, FullStack Labs is recognized for its technical expertise and professionalism.
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$25,000+$100 - $149 / hr10 - 49Canton, OH
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See all 10 projectsSKYCATCHFIRE is a versatile web development company specializing in custom website and web application development. The company consistently receives positive feedback for its communication, flexibility, and ability to deliver projects on time and within budget. Approximately 90% of reviewers highlight SKYCATCHFIRE's effective project management and responsiveness, emphasizing their expertise in full-stack web development and their capacity to transform ideas into clean, modern designs.
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$25,000+$25 - $49 / hr50 - 249Hyderabad, India
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See all 5 projectsTericsoft is a web development company known for digitizing operations and providing comprehensive solutions like software and mobile app development. They received overwhelmingly positive feedback, with 100% of reviewers commending their project management and responsiveness. Their ability to adapt quickly without compromising quality is frequently praised.
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$50,000+$50 - $99 / hr50 - 249Novi Sad, Serbia
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See all 26 projectsCodetribe is a professional web development company specializing in custom web application development, full-stack web development, and web design services. The company consistently receives positive feedback, with all reviewers highlighting their professionalism, adaptability, and goal-oriented approach. Approximately 100% of reviews praise their timely delivery and strong communication skills. This indicates Codetribe's commitment to understanding client needs and providing tailored solutions.
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$50,000+$50 - $99 / hr50 - 249Kyiv, Ukraine
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See all 5 projectsINTELLISOFT Corp is a Web Development company known for its expertise in custom website and web application development. The company excels in integrating solutions such as ERP systems and offers full-stack capabilities using technologies like Node.js and .NET. Reviewers consistently highlight their maturity, strong communication skills, and project management, with approximately 100% of feedback being positive regarding their ongoing engagement and intuitive approach to development.
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$25,000+$50 - $99 / hr10 - 49Budapest, Hungary
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See all 7 projectsBRAINSUM is a specialized web development company offering a comprehensive suite of services, including custom website development, web application development, and full-stack web development. The majority of reviews highlight their professionalism, solution-oriented approach, and effective project management, with 100% positive feedback regarding their communication and commitment to delivering on time and within budget. Clients consistently commend their expertise in Drupal and their ability to exceed expectations.
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$1,000+< $25 / hr10 - 49
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See all 8 projectsTechCoders.design is a specialized Shopify development agency known for its impressive portfolio and expertise in creating responsive and visually appealing e-commerce websites. With a client satisfaction rate of 100%, reviewers consistently praise their effective project management, agile communication, and outstanding customer service. Clients have reported increased sales and conversion rates, highlighting TechCoders.design’s capability in delivering quality work and innovative e-commerce solutions.
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$10,000+$50 - $99 / hr50 - 249Austin, TX
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See all 11 projectsScio is a full-stack web development company specializing in custom web application development and staff augmentation. The feedback from their clients is overwhelmingly positive, with 100% of reviewers praising their communication, culture alignment, and technical expertise. Scio's team is noted for being responsive, flexible, and capable of seamlessly integrating with existing teams to deliver high-quality web solutions.
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$5,000+$25 - $49 / hr250 - 999Ahmedabad, India
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See all 20 projectsSPEC INDIA is a company renowned for providing robust support in Web Development and related services. Clients commend their quality, hard work ethic, and timely delivery of tasks. Approximately 100% of feedback highlights their effective communication and project management skills, although some suggest improved communication regarding price changes.
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$1,000+$50 - $99 / hr10 - 49Fleet, England
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See all 13 projectsFlow Guys is a web development company specializing in Website Development, Web Design, and Custom Website Development projects, primarily leveraging the Webflow platform. They consistently receive positive feedback, noted for their professionalism, responsiveness, and dedication to client satisfaction, with over 90% of reviews highlighting their on-time delivery and proactive communication. Many clients commend their ability to integrate complex functionalities seamlessly while maintaining high standards of design and user experience.
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$10,000+$100 - $149 / hr2 - 9Amsterdam, Netherlands
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See all 10 projectsKlein Media is a full-service digital agency specializing in Website Development, Web Design, and SEO. Their client reviews are overwhelmingly positive, with 100% praising their professional management, timely delivery, and tailored solutions. Clients highlight Klein Media's adaptability and commitment to creating value through data-driven strategies, showcasing their expertise in both Full-Stack Web Development and Custom Website Development. Additionally, their exceptional communication and proactive approach are frequently noted as key strengths.
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$5,000+$25 - $49 / hr10 - 49Zagreb, Croatia
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See all 9 projectsProject42.Agency [powered by Uprise] is a web development company that excels in Web Programming, Custom Website Development, and Web Application Development. With 100% positive feedback from clients, they are praised for their exceptional project management, timely delivery, and ability to blend creativity with technical expertise, meeting and often exceeding client expectations.
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$5,000+$50 - $99 / hr10 - 49Fort Myers, FL
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See all 12 projectsNorml Studio is a comprehensive web development company specializing in Website Development, Web Design, and Full-Stack Web Development. The overall feedback is overwhelmingly positive, with 100% of clients praising their professionalism, responsiveness, and the ability to deliver on time. Around 80% of reviewers highlight their successful project execution and adaptability to client needs, making them a reliable choice for complex Web Programming and Custom Website Development projects.
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$10,000+$25 - $49 / hr10 - 49Dubai, United Arab Emirates
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See all 5 projectsAALA IT Solutions is a web development company specializing in Full-Stack Web Development and React Native app development. They have received overwhelmingly positive feedback, with clients praising their timely delivery, adaptability, and effective communication. Approximately 75% of reviews highlight their ability to meet complex project requirements and enhance user experiences, while suggestions for improvement are minimal.
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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.