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), is a web development firm offering comprehensive solutions in custom website development, full-stack web development, and web application development. With 100% positive feedback, clients commend their seamless integration into teams, high-quality deliverables, and responsiveness. Approximately 80% of reviews highlight their effective project management and communication, emphasizing their reliability and expertise in meeting project milestones.
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$10,000+$25 - $49 / hr10 - 49Kyiv, Ukraine
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See all 2 projectsMolaboo Development is a web development company specializing in full-stack web development and website maintenance. Feedback indicates that they excel in project management and responsiveness, with 100% of the reviewers highlighting their ability to meet deadlines effectively. While specific metrics are unavailable, their competence in web programming is affirmed by their clients.
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$1,000+Undisclosed10 - 49Udaipur, India
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See all 6 projectsiCubes is a web development company specializing in Website Development, Web Design, and Custom Website Development. The overall feedback from their clients is highly positive, with approximately 100% of reviewers praising their project management and responsiveness. They are noted for their attentiveness, budget-friendly pricing, and ability to customize and improve website functionalities efficiently.
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$1,000+$25 - $49 / hr10 - 49Cherkasy, Ukraine
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See all 6 projectsGinkgo Ukraine is a web development company specializing in custom website development and web programming. Reviewers highlight their professionalism, honesty, and strong communication skills. Feedback is overwhelmingly positive, with 100% of reviewers noting their ability to deliver high-quality work efficiently.
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$1,000+$50 - $99 / hr2 - 9
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See all 4 projectsorange5 LLC is a web development company specializing in custom website development and web application development. They have received 100% positive feedback from clients, who appreciate their flexibility, professionalism, and ability to deliver on time and on budget. Their expertise in creating tailored solutions has significantly improved clients' business operations and platforms.
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$5,000+$25 - $49 / hr50 - 249Tallinn, Estonia
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See all 5 projectsGenius Software is a Web Development company specializing in backend and integrative solutions, characterized by their ability to deliver scalable and secure platforms. Impressively, 100% of reviewers emphasize their dependable project management and problem-solving skills, although some mention minor UI/UX improvements. They excel in building custom CRM systems and ensuring seamless API integrations.
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$1,000+< $25 / hr10 - 49Hyderabad, India
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See all 4 projectsPoulima Infotech Private Limited is a versatile software and app development company, specializing in web and mobile applications, custom software, and UI/UX design. Approximately 100% of reviewers commend their project execution and responsiveness, highlighting their ability to meet client needs effectively and deliver user-friendly, functional designs. Their transparent communication and proactive approach are frequently praised as unique strengths.
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$1,000+$25 - $49 / hr10 - 49Lahore, Pakistan
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See all 2 projectsEntspos Developers Incorporate is a mobile app development company noted for integrating AI APIs. According to reviews, 100% of clients highlight their timely delivery and dedication, with a few suggesting an improved development speed. Overall, they are praised for aligning company values and providing cost-effective solutions.
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$1,000+Undisclosed2 - 9
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See all 3 projectsQualia Solutions is an AI automation company known for their exceptional expertise and innovation in AI solutions. The reviews indicate a 100% positive feedback, highlighting the company's integrity, deep technical knowledge, and long-term partnership focus. Clients praise the founder, Fawzi, for his leadership and business acumen, with no suggestions for improvement mentioned.
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$1,000+$50 - $99 / hr2 - 9
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See all 1 projectsSemantic Empires is a digital marketing agency recognized for its expertise in Google Ads and email marketing. The company boasts an impressive 78% email open rate and a 20:1 ROAS. The reviews highlight their strong project management and ability to integrate marketing channels, with a minor suggestion for more detailed competitor analysis. Overall, the feedback is overwhelmingly positive, with clients appreciating their proactive approach.
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$10,000+$50 - $99 / hr50 - 249Sagarli Gaon, India
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See all 15 projectsAhy Consulting is a web development company that excels in Website Development, Web Dev, and Custom Website Development. With an impressive 100% positive feedback rate, clients consistently commend their professionalism, technical expertise, and effective communication. Reviewers frequently appreciate their ability to deliver customized, responsive, and SEO-optimized websites on time, highlighting their commitment to understanding client needs and delivering innovative, tailored solutions.
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$1,000+$25 - $49 / hr10 - 49London, England
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See all 18 projectsNeadoo Digital Ltd is an SEO agency that excels in enhancing Google search rankings and website performance. Clients consistently praise their proactive approach and quick response times, with 100% of reviewers noting significant improvements in search positions and website traffic. Their services are characterized by high ratings and strong alignment with client values.
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$5,000+$25 - $49 / hr10 - 49Indore, India
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See all 4 projectsGlanceSys Information Technology Pvt. Ltd. is a web development company excelling in crafting websites and landing pages for clients unable to manage projects internally. Garnering positive feedback for their professionalism, speed, and communication, they have a proven track record of delivering 12 web development projects, with 100% of reviewers acknowledging their effective project management and dedication to client satisfaction.
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$5,000+< $25 / hr2 - 9Szczecin, Poland
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See all 12 projectsInvestWP is a web development company specializing in custom website development and full-stack web development, known for its expertise in WordPress. With 100% positive feedback, clients consistently praise their attention to detail, project management skills, and ability to deliver on time. Approximately 80% of reviewers highlight their flexibility and personalized approach to client needs.
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$1,000+$100 - $149 / hr2 - 9London, England
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See all 6 projectsLab3 Apps is a highly skilled company specializing in Web Application Development and full-stack Web Development. Known for their technical expertise and efficient project management, 100% of reviewers commend their ability to meet tight deadlines while delivering user-friendly solutions. Their adaptability and effective communication are frequently highlighted, making them a trusted partner in complex projects.
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$10,000+$50 - $99 / hr2 - 9Sofia, Bulgaria
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See all 5 projectsDevScale.bg specializes in Website Development and Web Design, providing robust web programming solutions for dynamic consumer campaigns. Reviews highlight their reliability, technical expertise, and dedication, emphasizing their seamless integration with client teams and timely delivery of projects. Overall feedback underscores their proactive approach and consistent support throughout project lifecycles.
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$1,000+$150 - $199 / hr10 - 49Burleson, TX
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See all 1 projectsMindsize is a web development company specializing in custom website development and e-commerce solutions. The overall feedback is overwhelmingly positive, highlighting their expertise in e-commerce platforms and problem-solving, with 100% of reviewers praising their thoroughness and commitment to long-term solutions. Their responsive project management and ability to retain design and SEO elements are also frequently noted by clients.
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$1,000+$25 - $49 / hr2 - 9
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See all 1 projectsIceBreakerStudio is a web development company specializing in custom website development, with a strong focus on WordPress integration and functionality. Review feedback is unanimously positive, highlighting the team's timely communication, problem-solving skills, and ability to deliver flawless, design-accurate websites. Notably, 100% of reviewers praise their ability to provide seamless integration with third-party applications.
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$25,000+$100 - $149 / hr10 - 49Victoria, Canada
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See all 1 projectsFoundry Spatial is a software company specializing in natural resource decision-making tools, like the BC Water Tool. Reviews highlight their scientific rigor and commitment to user support, with 100% positive feedback regarding their on-time delivery and responsiveness. Nearly all reviewers commend their dedication, with no noted areas for improvement.
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$10,000+$150 - $199 / hr10 - 49Southampton, England
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See all 2 projectsRareloop is a web development company specializing in creating user-friendly WordPress websites and event microsites. The feedback is overwhelmingly positive, with 100% of reviewers praising their understanding of client goals and effective project management. Clients highlight a 35% increase in site engagement and commend Rareloop for being responsive and communicative, effectively managing complex projects remotely using platforms like Google Meet and Asana.
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$10,000+$100 - $149 / hr2 - 9Chicago, IL
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See all 9 projectsLakeview Labs is a mobile app development company with a strong emphasis on personalized client engagement and strategic project management. Feedback from clients is overwhelmingly positive, highlighting their ability to offer thoughtful, detail-oriented solutions and effective communication. Approximately 80% of reviewers praise their responsiveness and partnership approach, with more than 60% noting their commitment to client success and technical expertise.
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$1,000+< $25 / hr10 - 49Addis Ababa, Ethiopia
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See all 1 projectsQemer Software Technology PLC is a software development company that specializes in creating HR management systems and providing comprehensive technical support. The feedback from their clients is overwhelmingly positive, with 100% of reviewers praising their project management, timely delivery, and the quality of their software solutions. Clients appreciate their ability to provide complete packages and their motivated, friendly team.
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Undisclosed$25 - $49 / hr2 - 9
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See all 2 projectsTequila Web is a web development company specializing in custom website development and web application development. The reviews highlight their exceptional communication and seamless integration with client teams, with 100% of feedback being positive. Clients appreciate their ability to exceed expectations and deliver projects according to specified designs and timelines.
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$1,000+$50 - $99 / hr2 - 9Rönninge, Sweden
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See all 1 projectsNexTek is a web development company specializing in creating custom, non-WordPress websites. Reviewers consistently praise their professional approach, effective communication, and impactful results, with 100% positive feedback highlighting their ability to develop easy-to-update sites. Their commitment to delivering tailored solutions enhances client connectivity and satisfaction.
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$10,000+$25 - $49 / hr10 - 49Rzeszów, Poland
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See all 7 projectsMoonbite is a professional web development company specializing in custom website development and full-stack web development. Reviews highlight their professionalism, timely delivery, and effective communication, with 100% of clients appreciating Moonbite's ability to meet objectives and enhance online presence. Many reviewers commend their responsiveness and strategic insights, with over 80% noting significant improvements in web traffic and lead generation.
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$10,000+$25 - $49 / hr50 - 249Thiruvananthapuram, India
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See all 6 projectsPerfomatix Solutions is a Web Development company specializing in Web Application Development and Full-Stack Web Development. The reviews indicate a high level of satisfaction, with 100% of clients appreciating their project management skills and responsiveness. Clients commend their customer-oriented approach and ability to adapt to client needs, despite some geographical constraints and language challenges.
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$10,000+$25 - $49 / hr50 - 249
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See all 1 projectsUPlanet Inc is a web development company specializing in full-stack web development and custom website development. Overall, 100% of reviewers express positive feedback, highlighting their adaptability and strong project management skills. Nearly all reviewers commend their expertise in PHP frameworks and their ability to manage complex projects from start to finish.
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$5,000+$25 - $49 / hr10 - 49
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See all 10 projectsDigers! is a versatile web development company specializing in full-stack web development, web programming, and web application development. Reviews indicate strong communication, timely delivery, and innovative problem-solving, with 100% of clients noting their proactive and responsive approach. Clients appreciate their ability to integrate seamlessly into teams and the quality of their technical execution.
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$5,000+$25 - $49 / hr50 - 249Sahibzada Ajit Singh Nagar, India
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See all 4 projectsShine Dezign Infonet is a web development company known for designing and advising on WordPress websites. Clients praise their effective project management, as evidenced by a 30% sales increase. Reviewers consistently highlight their design and development expertise, with 100% positive feedback.
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$10,000+$25 - $49 / hr50 - 249Kyiv, Ukraine
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See all 12 projectsTrendLine is a full-stack web development company specializing in building custom web platforms. They have received overwhelmingly positive feedback, with 100% of reviewers highlighting their proactive approach and effective communication. Their team efficiently developed a news platform with complex integrations, emphasizing their expertise in web application development and project management.
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$5,000+$25 - $49 / hr10 - 49Surat, India
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See all 5 projectsInventam Tech Solution OPC Pvt. Ltd is a distinguished web development company specializing in full-stack web development, including both front-end and back-end solutions. With 100% positive feedback, clients commend their reliable delivery of robust and clean features, efficient project management, and impressive work quality and speed.
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$25,000+$50 - $99 / hr50 - 249
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See all 2 projectsGurzu Inc is a custom website development company specializing in mobile and web application development. They received overwhelmingly positive feedback for their professional and seamless project management, with 100% of reviewers praising their technical expertise and alignment with project objectives. However, they could improve client orientation on software and tool limitations for non-technical clients.
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$1,000+$25 - $49 / hr10 - 49Orlando, FL
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See all 2 projectsLogozila is a marketing services company specializing in logo creation, marketing strategies, and content development for websites, postcards, and business cards. Clients appreciate their professionalism, responsiveness, and unique approach, with 100% of reviewers expressing positive feedback. However, there is a suggestion for more reasonable pricing for multiple projects.
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$1,000+$150 - $199 / hr2 - 9
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See all 2 projectsX Technologies is a web development company known for its expertise in website and app maintenance. Clients consistently commend their excellent project management and timely deliverables. Notably, 100% of reviewers highlight their responsiveness and value for cost, making them a reliable partner for full-stack web development needs.
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$10,000+$25 - $49 / hr50 - 249Warszawa, Poland
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See all 4 projectsBunch Consulting is a web development company specializing in custom web and full-stack development services. The feedback from their clients highlights a high level of satisfaction, with 100% of reviewers noting their impressive collaboration style and responsiveness to client needs. They effectively employ technologies like React, Typescript, and Node to meet project goals and timelines.
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$10,000+$25 - $49 / hr10 - 49Warszawa, Poland
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See all 8 projectsPrognetics is a web development company specializing in custom website development, particularly in building user-friendly platforms. The overall feedback is overwhelmingly positive, with 100% of reviewers expressing satisfaction, highlighting the team's flexibility, professionalism, and quick learning ability in both front-end and back-end development.
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$5,000+< $25 / hr10 - 49Kharkiv, Ukraine
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See all 6 projectsTSN-Media is a versatile web development company specializing in custom website development, full-stack web development, and web application development. Reviews highlight their strong communication and professional approach, with 100% positive feedback on project management and delivery. Clients commend their ability to meet tight timelines and budget constraints while maintaining high-quality outputs.
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$1,000+$100 - $149 / hr2 - 9
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See all 4 projectsINVESMITH is a web development company specializing in custom website development and web design, often praised for its professionalism and responsiveness. Across reviews, clients commend INVESMITH for their effective project management and ability to implement user-friendly features, with 100% of feedback being positive. Approximately 67% of reviewers highlight the company's flexibility and patience in accommodating client needs and preferences.
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$25,000+$50 - $99 / hr50 - 249Iași, Romania
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See all 1 projectsHeaven Solutions is a cloud infrastructure optimization and custom software solutions provider specializing in streamlining delivery systems for businesses like streaming services. With a decade-long partnership and over $200,000 invested, 100% of feedback highlights their exceptional project management and professionalism. However, some suggest considering more competitive pricing.
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$10,000+$150 - $199 / hr2 - 9Beaverton, OR
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See all 2 projectsBrooks Digital is a specialized web development company focusing on custom website development and improving user experience for healthcare and nonprofit organizations. Their clients praise their strong project management skills and ability to deliver projects on time, with impressive communication and problem-solving abilities. With 100% positive feedback, Brooks Digital is recognized for their professionalism and alignment with client values.
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$1,000+$100 - $149 / hr2 - 9
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See all 3 projectsFairhead Creative is a digital marketing and design agency specializing in enhancing brand messaging, web design, and user experience. With a 100% positive feedback rate from clients, Fairhead Creative is praised for their high-quality work, effective communication, and organized processes, resulting in improved conversion rates and reduced bounce rates for their clients.
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$1,000+$25 - $49 / hr10 - 49Dhaka, Bangladesh
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See all 1 projectsStaticMania is a web development company specializing in custom website development and full-stack web development, providing services such as UI/UX design and SEO optimization. Reviews highlight their responsive communication and problem-solving skills, with 100% of feedback noting timely delivery and professionalism. Areas for improvement include communication within the design team.
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$5,000+$25 - $49 / hr2 - 9Warszawa, Poland
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See all 3 projectsDev2Code is a proficient web development company specializing in custom website and web application development, employing technologies like WordPress, Laravel, and Symfony. The reviews reflect strong client satisfaction, with 100% positive feedback highlighting their responsiveness, effective project management, and innovative solutions. Clients particularly appreciate their pleasant team and ability to handle complex projects efficiently.
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$5,000+$100 - $149 / hr2 - 9Denver, CO
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See all 1 projectsReady Fire Digital is a digital agency specializing in Shopify website development, SEO services, and video content creation. Feedback indicates a high level of client satisfaction, with 100% of reviewers praising their ability to adapt to unique brands and their proactive communication. Collaborations are noted for their creativity and timeliness, ensuring a seamless process for ongoing projects.
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$5,000+$100 - $149 / hr2 - 9
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See all 10 projectsColour And Code is a web development company offering services in website design, custom website development, and SEO optimization. Consistently praised for their creativity, strategic approach, and responsive communication, 100% of clients report positive feedback. Their work excels in enhancing online presence and user engagement, with noticeable improvements in website traffic and client satisfaction.
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$1,000+$25 - $49 / hr10 - 49Kharkiv, Ukraine
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See all 3 projectsPerfectorium is a web development company specializing in Web Design and Full-Stack Web Development. Their reviews highlight strengths in WordPress web design and effective front-end and back-end integration. While 100% of reviewers appreciate their responsiveness and efforts to deliver on time, some minor details occasionally go unnoticed.
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$5,000+$25 - $49 / hr50 - 249
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See all 13 projectsYES IT Labs is a Web Development company specializing in Web Application Development and Full-Stack Web Development services. Their reviews highlight a commendable focus on compliance, security, and user experience, with 100% positive feedback emphasizing their effective project management and ability to deliver scalable, regulatory-compliant solutions. Approximately 60% of reviewers note their responsiveness and commitment to maintaining high system uptime.
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$1,000+< $25 / hr10 - 49
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See all 7 projectsAgilsys Software Labs Pvt. Ltd. is a web development company specializing in custom website development and full-stack web development services. Generally receiving high praise, they are noted for their technical expertise, timely delivery, and communication. 100% of reviewers were impressed by their cost-effectiveness and ability to align with project needs, while 40% specifically highlighted their innovative approach to problem-solving.
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$10,000+$25 - $49 / hr10 - 49Quesada, Costa Rica
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See all 5 projectsNativo is a web development company specializing in custom website development and maintenance, particularly for Magento platforms. The company receives overwhelmingly positive feedback, with 100% of reviewers highlighting their effective communication and problem-solving skills. Clients commend Nativo for their ability to address critical vulnerabilities and implement necessary updates promptly.
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$10,000+$25 - $49 / hr50 - 249London, England
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See all 2 projectsDevbox Technologies offers Website Development and Web Design services with a focus on professional website creation, theme customization, logo design, and payment integrations. The overall feedback highlights their excellent work quality, timely delivery, and impressive communication, making them a reliable choice for web development projects.
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$10,000+$25 - $49 / hr250 - 999New York, NY
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See all 11 projectsKiwiTech is a versatile company specializing in web development and full-stack web development services. Across various reviews, clients praise their expertise in UI/UX and web design, with approximately 75% highlighting their professionalism and commitment. While project management is generally satisfactory, areas for improvement include better resource management and communication post-project.
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List of the Top 15 JavaScript Development Companies
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$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
50% Web Development70% JavaScript50% Other -
$25,000+$50 - $99 / hr50 - 249Kraków, Poland
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$75,000+$100 - $149 / hr50 - 249Vancouver, Canada
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
90% Web Development50% JavaScript10% Other -
$10,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.4/40.019.6/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
45% Web Development60% JavaScript55% Other -
$10,000+< $25 / hr250 - 999Thiruvananthapuram, India
Ability to deliver
37.7/40.018.4/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
50% Web Development50% JavaScript50% Other -
$10,000+Undisclosed50 - 249San Francisco, CA
Ability to deliver
38.9/40.019.6/20 Reviews9.6/10 Clients & Experience9.7/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$10,000+$50 - $99 / hr50 - 249Montevideo, Uruguay
Ability to deliver
39.3/40.019.8/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
50% Web Development35% JavaScript50% Other -
$50,000+$100 - $149 / hr1,000 - 9,999San Francisco, CA
Ability to deliver
39.9/40.020/20 Reviews9.9/10 Clients & Experience10/10 Market PresenceService focus
15% Web Development25% JavaScript85% Other -
$5,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
36.9/40.018/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$25,000+$25 - $49 / hr50 - 249Newark, DE
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
40% Web Development35% JavaScript60% Other -
$10,000+$50 - $99 / hr50 - 249Kuala Lumpur, Malaysia
Ability to deliver
39.3/40.020/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
30% Web Development70% JavaScript70% Other -
$5,000+$50 - $99 / hr50 - 249Chicago, IL
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
35% Web Development40% JavaScript65% Other -
$10,000+$25 - $49 / hr250 - 999San Francisco, CA
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
15% Web Development40% JavaScript85% Other -
$50,000+$25 - $49 / hr50 - 249Kharkiv, Ukraine
Ability to deliver
36.8/40.017/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
45% Web Development50% JavaScript55% Other -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
36.8/40.017.2/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$1,000+< $25 / hr250 - 999Walpole, MA
Ability to deliver
35.9/40.016.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
40% Web Development35% JavaScript60% Other -
$50,000+$50 - $99 / hr1,000 - 9,999L'viv, Ukraine
Ability to deliver
38.8/40.019/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
21% Web Development18% JavaScript79% Other -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
37.2/40.018.2/20 Reviews10/10 Clients & Experience9/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$25,000+$50 - $99 / hr1,000 - 9,999New York, NY
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Web Development33% JavaScript90% Other -
$10,000+$25 - $49 / hr250 - 999New York, NY
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
30% Web Development15% JavaScript70% Other -
$10,000+< $25 / hr250 - 999Kolkata, India
Ability to deliver
36.3/40.019/20 Reviews9/10 Clients & Experience8.4/10 Market PresenceService focus
35% Web Development30% JavaScript65% Other -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
65% Web Development20% JavaScript35% Other -
$10,000+$25 - $49 / hr1,000 - 9,999Plano, TX
Ability to deliver
36.9/40.017.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$50,000+$150 - $199 / hr50 - 249Matlock, England
Ability to deliver
38.2/40.018.4/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
100% Web Development30% JavaScript -
$1,000+< $25 / hr1,000 - 9,999Los Angeles, CA
Ability to deliver
36.9/40.019.6/20 Reviews9.3/10 Clients & Experience8/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$10,000+$50 - $99 / hr10 - 49Warszawa, Poland
Ability to deliver
37.8/40.018.6/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
50% Web Development70% JavaScript50% Other -
$50,000+$150 - $199 / hr50 - 249New York, NY
Ability to deliver
35.9/40.016.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$50,000+$150 - $199 / hr250 - 999Irvine, CA
Ability to deliver
36.4/40.016.4/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
30% Web Development30% JavaScript70% Other -
$10,000+< $25 / hr250 - 999Hanoi, Vietnam
Ability to deliver
37.9/40.018.6/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
30% Web Development21% JavaScript70% Other -
$100,000+$25 - $49 / hr250 - 999Cebu City, Philippines
Ability to deliver
38.1/40.019.4/20 Reviews10/10 Clients & Experience8.7/10 Market PresenceService focus
30% Web Development20% JavaScript70% Other
Top JavaScript Development Agencies
A JavaScript development company designs, builds, and maintains software products that rely on JavaScript across the stack. Teams typically handle front-end interfaces (React, Vue, or Angular), back-end services (Node.js, Express, NestJS), and database integrations. They translate business requirements into clean, maintainable code, implement third-party APIs, optimize performance, and provide ongoing support or feature enhancements. For startups, they may act as a dedicated product team; for enterprises, they often augment in-house engineers to accelerate delivery.
Most agencies bundle multiple offerings so clients can access full product life-cycle support:
- Discovery workshops & technical consulting
- UI/UX design and prototyping
- Front-end SPA or PWA development
- Server-side development with Node.js or Deno
- API design, GraphQL, and microservices architecture
- QA automation & performance testing
- DevOps, CI/CD, and cloud deployment (AWS, Azure, GCP)
- Post-launch maintenance and feature sprints
Some firms specialize in niches such as ecommerce storefronts, real-time dashboards, or IoT applications built with JavaScript frameworks like Next.js or Svelte.
Clutch data shows project budgets range widely:
- MVP or small web app - $15,000–$50,000
- Mid-size product build - $50,000–$200,000
- Enterprise-grade platform - $200,000–$1M+ | Hourly rates usually fall between $50–$149 depending on agency location, seniority, and specialization. Expect higher rates for U.S.-based teams and advanced services like real-time streaming or complex integrations.
- Align expertise: Verify experience with your required stack (e.g., React Native, TypeScript, serverless).
- Review case studies: Look for measurable outcomes—load-time reductions, user growth, or revenue lifts.
- Check communication style: Agile ceremonies, dedicated Slack channels, and transparent ticket tracking are green flags.
- Validate cultural fit: Long-term projects thrive when collaboration styles and time zones mesh.
- Compare total cost of ownership: Factor in maintenance, future scalability, and licensing—not just upfront build fees.
Shortlist 3-5 agencies on Clutch, schedule discovery calls, and request project roadmaps before signing an agreement.
- Guaranteed timelines without discovery
- No access to source code repositories during the engagement
- Outdated tech stacks (e.g., jQuery-only solutions for modern SPAs)
- Low developer retention or high turnover
- Vague pricing models or hidden fees
If an agency dismisses code reviews, ignores testing, or refuses to provide client references, proceed with caution
- Which JavaScript frameworks do you specialize in, and why?
- Can you walk me through a recent project with similar complexity?
- How do you ensure code quality—linting, peer reviews, automated tests?
- What is your approach to scalability and performance optimization?
- How will we communicate and track progress (tools, meeting cadence)?
- Who owns the intellectual property and source code upon project completion?
Clear answers reveal an agency’s maturity, processes, and commitment to delivering long-term value.
A freelancer is ideal for small fixes or short-term enhancements, offering lower overhead and flexible hours. Agencies provide multidisciplinary teams including project managers, UI designers, and QA engineers capable of delivering end-to-end solutions and scaling resources quickly. While agencies cost more, they reduce single-point-of-failure risk and accelerate time-to-market for complex products. How do JavaScript firms measure ROI? Common KPIs include page-load speed improvements, conversion rate uplifts, reduced infrastructure costs after code optimization, and user engagement metrics (session duration, churn reduction). Firms often set baseline metrics during discovery and provide post-launch analytics dashboards to demonstrate value.
Common KPIs include page-load speed improvements, conversion rate uplifts, reduced infrastructure costs after code optimization, and user engagement metrics (session duration, churn reduction). Firms often set baseline metrics during discovery and provide post-launch analytics dashboards to demonstrate value.