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 88 projectsDigis, a Fiverr company (NYSE: FVRR), excels in providing comprehensive web development and staff augmentation services. With a focus on custom website development, front-end and back-end development, they consistently deliver high-quality projects, demonstrating 100% positive feedback for their technical expertise and effective project management. Clients frequently highlight their reliability and seamless integration into existing teams, with 80% mentioning their exceptional communication skills and adaptability.
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$1,000+< $25 / hr2 - 9
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See all 1 projectsRay Creations is a web development company specializing in custom website development and management. Their clients express high satisfaction with the modern, user-friendly sites they deliver, highlighting their expertise and quick problem-solving abilities. All reviews reflect positively on their services, with 100% mentioning their effective project management and impressive speed.
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$25,000+$50 - $99 / hr2 - 9Neuville-en-Ferrain, France
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See all 2 projectsAtelier256 is a web development company specializing in Front-End Development and Web Application Development. Their reviews reflect a strong emphasis on collaboration, project management, and delivering scalable and robust solutions. Notably, 100% of reviewers highlight their timely delivery and responsiveness, with consistent praise for their dynamic and flexible approach to IT project development.
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$5,000+$25 - $49 / hr10 - 49Dublin, Ireland
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See all 3 projectsAmeware Group is a web development company specializing in custom API solutions and data migration services. Their reviews highlight a 100% positive feedback rate, emphasizing responsiveness, attention to detail, and problem-solving skills. Clients commend their effective communication and project management, making them an excellent choice for complex web programming projects.
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$5,000+$50 - $99 / hr10 - 49Pune, India
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See all 3 projectsTechechelons Infosolutions Pvt Ltd provides Website Development, Web Design, and Web Programming services. Reviews highlight their successful project management, timely delivery, and dedication. Clients particularly appreciate their logical thinking and proactive involvement, which contribute to creating effective, customized web solutions.
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$1,000+$25 - $49 / hr10 - 49
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See all 2 projectsThe AntiAlias is a web development company specializing in designing and developing e-commerce websites, particularly using Magento. Their reviews indicate an 80% focus on positive attributes such as flexibility, creativity, and strong user experience, though they faced minor challenges with project timelines and certain integrations. Overall, clients appreciate their cooperative approach and ability to incorporate client feedback.
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$1,000+< $25 / hr10 - 49Dubai, United Arab Emirates
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See all 1 projects202 Media & Events is a web development company specializing in custom website development and SEO services. They have received overwhelmingly positive feedback, with clients praising their efficiency, professionalism, and flexibility. The company is noted for its effective project management and competitive pricing, consistently delivering results that increase client visibility and engagement.
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$1,000+< $25 / hr50 - 249
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See all 1 projectseSage IT Services Pvt Ltd is a web development company specializing in website transformation, customization, and integration of third-party systems. Overall, 100% of the feedback highlights their expertise in modernizing user interfaces and enhancing website functionality. Clients commend their responsiveness, honesty, and ongoing support, though they note limitations in mobile app development capabilities.
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$25,000+$100 - $149 / hr50 - 249San Antonio, TX
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See all 1 projectsWebhead is a web development company renowned for its comprehensive Website Development services, including Custom Website Development and Web Design. The reviews highlight Webhead's exceptional project management, with 100% of reviewers praising their personalized service and professionalism. Clients consistently commend Webhead's responsive communication and timely delivery, leading to increased website visits and overall satisfaction.
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$1,000+$25 - $49 / hr10 - 49
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See all 1 projectsAAA Software Solutions is an IT services provider specializing in data center cybersecurity, backup and disaster recovery, and cloud infrastructure services. The company receives overwhelmingly positive feedback, with 100% of reviewers highlighting their timely project completion and effective communication, noting their cooperative nature and clear communication as standout attributes.
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$1,000+$50 - $99 / hr10 - 49
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See all 1 projectsTaenite is a web development company specializing in building and designing optimized websites. They received 100% positive feedback, with clients praising their professionalism, customer service, and timely delivery. A notable theme is ease of communication, mentioned in 100% of reviews, highlighting their commitment to client satisfaction in web programming and online development projects.
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$1,000+$50 - $99 / hr10 - 49Lahore, Pakistan
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See all 5 projectsSaivra Technologies LLC specializes in Website Development and Web Design, delivering high-quality products and professional websites. Customer reviews highlight their commitment to precise execution, strong iterative processes, and effective communication. The company is praised for its excellent value for cost and robust project management, contributing to successful marketing campaign outcomes.
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$50,000+< $25 / hr10 - 49Chennai, India
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See all 1 projectsWINS Software Systems Pvt Ltd is a mobile app and web development company known for delivering user-friendly platforms using technologies like iOS, Android, AWS, React JS, and Node JS. They are recognized for their cost-effectiveness, quality consciousness, and cooperative approach, with 100% of reviewers appreciating their approachable team and project management style. However, some suggest the addition of on-site representation for enhanced interaction.
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$10,000+$25 - $49 / hr10 - 49Ahmedabad, India
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See all 2 projectsGlorywebs is a web development company specializing in custom website development and full-stack web development, with a focus on PHP-based web applications. Review feedback highlights their proactive approach and communication skills, though 20% indicate improvement needed in communication during project delays. Overall, clients appreciate their dedication to understanding project needs and their ability to contribute valuable suggestions.
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$5,000+$25 - $49 / hr10 - 49Indore, India
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See all 2 projectsEminence Infotech Pvt. Ltd. is a web development company specializing in creating customized software solutions, particularly in Web Application Development and Web Programming. They have received predominantly positive feedback, with commendations for their professionalism, time management, and ability to deliver quality results. Approximately 100% of reviewers highlighted their strong collaboration and market research capabilities, though some suggest expanding their team and technology stack.
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$5,000+$25 - $49 / hr10 - 49Surat, India
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See all 4 projectsTechHive is a comprehensive web development company specializing in website development, UI/UX design, and full-stack web development. With an 80% positive review rate, clients commend TechHive for its professionalism, technical expertise, and responsiveness. Key strengths include prompt communication, innovative solutions, and robust project management, with many highlighting their dedication to client needs and successful project outcomes.
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$1,000+$25 - $49 / hr10 - 49Pretoria, South Africa
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See all 3 projectsKaitech (Pty) Ltd is a web development company specializing in Web Design, Back-End Development, and Corporate Website Implementation. Reviewers highlight their professionalism, creativity, and deep understanding of business processes, with over 80% noting their impressive integration of back-end systems. While their Business Support System is effective, suggestions include improving user experience and reporting features.
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$5,000+< $25 / hr10 - 49Ahmedabad, India
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See all 1 projectsCodennect is a web application development company specializing in using ASP.NET, Microsoft Azure, and Power BI. Reviews highlight their technical expertise, reliable project management, and empathetic approach, with 100% of feedback being positive. Clients commend their ability to understand business needs and deliver quality results promptly, appreciating their flexibility and communication skills.
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UndisclosedUndisclosed2 - 9Ahmedabad, India
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See all 1 projectsDiscipline Infotech is a web development company renowned for its expertise in Website Development, including custom e-commerce and Full-Stack Web Development. With 100% positive feedback, clients highlight their seamless blend of technical expertise and industry understanding, along with timely delivery and proactive communication. Approximately 30% of reviews emphasize their proficiency in UI/UX design, enhancing user engagement and conversion rates.
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$10,000+$50 - $99 / hr10 - 49Lahore, Pakistan
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See all 1 projectsAstute Softwares is a full-stack web development company known for efficiently delivering complex web application development projects. With a 100% positive feedback rate, clients praise their timely delivery, proactive problem-solving, and exceptional service availability. Their expertise in web programming and managing large-scale custom website development projects is highly commendable.
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$1,000+< $25 / hr10 - 49New Delhi, India
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See all 1 projectsOGEN Infosystem is a web development and SEO company that effectively caters to client needs by designing and developing responsive and SEO-friendly websites. Reviews indicate a high level of client satisfaction, with 100% positive feedback regarding their ability to generate new leads and the professionalism of their team. Clients commend their strong project management and quick turnaround times.
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$5,000+$100 - $149 / hr10 - 49Devonshire, Bermuda
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See all 4 projectsTreefrog Consulting LTD is a software development company specializing in creating tailored portfolio management tools and integration solutions for complex data environments. Overall, reviews highlight their exceptional adaptability in meeting client needs, with 100% of feedback noting their ability to improve operational efficiency. Clients appreciate their clear communication, integrity, and technical expertise, although some suggest enhancing user interfaces for less technical users.
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$1,000+< $25 / hr10 - 49Rajkot, India
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See all 4 projectsCorbital Technologies LLP is a web development company specializing in custom website development and web application development. Reviewers highlight their impressive knowledge of technologies, responsiveness, and ability to meet deadlines, with 100% expressing satisfaction and no noted areas for improvement. Their project management skills and value for cost are frequently commended by clients.
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$1,000+$25 - $49 / hr10 - 49Lahore, Pakistan
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See all 3 projectsMaceSol Technologies is a web development company praised for its excellent full-stack web development services, including web design and custom website development. Their team impresses clients with effective project management and communication, leading to successful outcomes. With 100% positive feedback, reviewers commend MaceSol for their unique technological solutions and valuable advice.
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$1,000+$25 - $49 / hr2 - 9
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See all 2 projectsStatfinity Pvt. Ltd. is a data analysis and visualization company, offering services such as SQL query building and dashboard creation. The company has received overwhelmingly positive feedback, with clients praising their responsiveness and professionalism. Approximately 90% of reviews highlight their effective communication and prompt delivery. Some suggest the addition of a pre-designated communication format for improved clarity.
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$1,000+$25 - $49 / hr50 - 249Jaipur, India
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See all 7 projectsExtern Labs is a web development company specializing in front-end development, as demonstrated through their work using React.js for web application development. Review feedback indicates a strong commitment to communication and client success, with approximately 90% of comments highlighting their fidelity to design specifications and creativity. However, about 10% of feedback points to occasional challenges in balancing deadlines with code quality.
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$1,000+$25 - $49 / hr10 - 49চট্টগ্রাম, Bangladesh
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See all 1 projectsGariweb is a web development company recognized for its expertise in Website Development, Web Design, and Digital Marketing. According to client feedback, Gariweb excels in delivering high-quality work on time, with 100% of reviewers appreciating their project management and use of technology to drive results. However, some room for improvement was noted.
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$1,000+< $25 / hrFreelancerGazipur, Bangladesh
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See all 1 projectsRejve Rahman is a graphic design and web development company that offers services such as logo design, website creation, and web hosting. The overall feedback from clients is positive, with 100% of reviewers expressing satisfaction with their professionalism, timeliness, and the quality of deliverables. The company's emphasis on clear communication and attention to client needs is consistently highlighted.
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$1,000+$50 - $99 / hr10 - 49New Delhi, India
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See all 2 projectsinnovITive Solutions is a web development and digital strategy company highly rated for its comprehensive services, including web design, SEO, and custom website development. Impressively, 90% of users reported satisfaction with their designs, while organic traffic increased by 45% post-launch. Clients consistently praised their professional project management, proactive communication, and ability to deliver results on time and within budget.
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$1,000+$25 - $49 / hr10 - 49Amman, Jordan
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See all 3 projectsSell and Lead Digital Marketing is a digital marketing agency specializing in website design, branding, and market expansion strategies. Consistently praised for their professionalism and effective communication, 100% of reviews highlight their impressive project execution and client satisfaction. Clients commend their user-friendly solutions and strategic approaches, with one client reporting a 35% increase in online sales within the MENA region.
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UndisclosedUndisclosed50 - 249Bangkok, Thailand
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See all 3 projectsSoftware Development Company, Nimble, delivers comprehensive services in custom web and mobile app development, with a focus on Ruby on Rails and multi-tenancy platforms. Clients consistently praise their proactive project management, team integration, and technical expertise. Approximately 90% of reviewers highlight their reliability and communication skills, resulting in high-quality products and successful long-term engagements.
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$1,000+Undisclosed10 - 49Kansas City, MO
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See all 1 projectsSeedlogic is a digital marketing agency specializing in social media and remarketing strategies, delivering impressive results for their clients. Reviews highlight their success in doubling client revenue and a 50% annual increase in return on ad spend, with 100% of feedback being positive. Their transparency and hands-on management of numerous campaigns are frequently praised.
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$1,000+< $25 / hr2 - 9
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See all 1 projectsThe Marketing Hawks is a digital marketing agency specializing in Search Engine Optimization (SEO) and Pay-Per-Click (PPC) services. Clients report a 100% positive experience, highlighting their innovative strategies and results-driven approach. The agency's comprehensive expertise and strong alignment with company values were consistently praised, with no areas for improvement noted.
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$5,000+$50 - $99 / hr2 - 9
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See all 5 projectsFEST Technologies is a full-stack web development company renowned for its expertise in custom website development and web application development. With a strong emphasis on problem-solving and understanding business objectives, 100% of reviewers highlight their ability to suggest innovative solutions. Their project management, focusing on clear communication and effective execution, significantly enhances user retention through advanced features such as gamification.
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$1,000+< $25 / hr2 - 9
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See all 2 projectsNexa Soul is a web development company specializing in custom website development and web application development. With a notable 85% positive feedback rate, reviewers commend their expertise in creating intuitive, user-friendly interfaces and streamlining processes. Clients appreciate Nexa Soul's exceptional project management and proactive communication, although there is room for improvement in communication clarity and documentation detail.
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$10,000+$50 - $99 / hr2 - 9București, Romania
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See all 1 projectsCraftars is a company specializing in augmented reality (AR) solutions, particularly for creative digital campaigns. The overall feedback from reviews is positive, highlighting their persistence, effective project management, and innovative problem-solving. Craftars is praised for their dedication, with 100% of reviewers noting their commitment to overcoming challenges, although there is a minor mention of delegation issues.
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$5,000+Undisclosed2 - 9Saratoga Springs, NY
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See all 1 projectsBankwise Technology is a technology solutions provider specializing in IT consulting, application support, and maintenance for community banks. Feedback highlights their exceptional responsiveness, particularly with after-hours support, and their strong expertise in bank technology and software development. Reviewers consistently commend their project management capabilities and local presence, with no noted areas for improvement.
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$1,000+$50 - $99 / hr2 - 9
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See all 1 projectsFuture Metrics is a web development company that excels in Front-End Development, particularly UI design using AngularJS. With 100% positive feedback from clients, they are praised for their innovative and budget-friendly solutions, enhancing website traffic by 45% post-revamp. Clients commend their excellent communication and data-driven approach to project management.
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$1,000+$25 - $49 / hr2 - 9Chişinău, Moldova
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See all 1 projectsTimand is a web development company offering comprehensive Website Development, SEO promotion, and marketing research services. Reviews indicate a high level of client satisfaction, with 100% positive feedback highlighting their effective communication and impressive client approach. Notably, 100% of reviewers appreciated their ability to significantly increase organic traffic and maintain online authority.
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$1,000+$25 - $49 / hr10 - 49Multan, Pakistan
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See all 9 projectsKodeFlow Technologies is a web development company specializing in custom website development and e-commerce platforms. Their reviews highlight strong work ethics, effective communication, and dedication, with 100% positive feedback on their service quality. Clients commend their ability to provide informative guidance and meet complex requirements, although there is room for growth in industry-specific expertise.
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$5,000+$100 - $149 / hr10 - 49San Antonio, TX
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See all 2 projectsGEON Analytics - Out of Business was a web development company that focused on custom website development, web programming, and web application development. They received consistent praise for their industry knowledge, data privacy expertise, and ability to build web and mobile platforms efficiently. Reviewers highlighted their responsiveness and value-driven approach, with 100% of the feedback being positive and emphasizing their strong developer expertise and collaborative nature.
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$1,000+$25 - $49 / hr10 - 49Pune, India
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See all 2 projectsSanpurple Inc is a web development company that specializes in website design, social media management, and SEO. The majority of the feedback is positive, highlighting their efficiency and ability to tailor solutions to client needs. Notably, 100% of reviewers emphasize their effective communication and understanding of project requirements, contributing to successful outcomes in both web development and online presence enhancement.
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$1,000+< $25 / hr10 - 49London, England
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See all 2 projectsCoExLogica, Ltd. is a web development company specializing in delivering comprehensive digital solutions, including custom website and full-stack web development. The reviews are overwhelmingly positive, with 100% of clients praising their agile project management and post-implementation support. One review highlighted an 85% increase in conversions, emphasizing CoExLogica's effectiveness in web design and functionality.
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$1,000+< $25 / hr10 - 49
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See all 2 projectsInfiazure Technologies is a web development company specializing in custom software solutions, dynamic CRM systems, and optimized eCommerce platforms. They consistently receive positive feedback for their timely delivery and effective communication, with a 100% satisfaction rate reported by clients. Infiazure excels in integrating technologies and enhancing user experience, offering good value for cost.
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$10,000+$25 - $49 / hr10 - 49
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See all 1 projectsVivendem is a mobile app development company specializing in creating iOS and Android applications with robust integrations. Review feedback is overwhelmingly positive, with 100% of reviewers highlighting their effective agile workflow, commitment to understanding client needs, and timely delivery within budget. Their ability to provide comprehensive support and maintenance further cements their reputation as a reliable partner.
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$5,000+$100 - $149 / hrFreelancer
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See all 3 projectsThird Pig Software is a web development company specializing in custom web application development and data aggregation solutions. They are praised for their thorough attention to detail, agile project management style, and exceptional problem-solving abilities, with 100% of reviewers expressing satisfaction with their results and communication.
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$5,000+< $25 / hr50 - 249
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See all 1 projectsIncubXperts is a software development company specializing in creating mobile applications and optimizing Microsoft Azure environments. According to the reviews, 100% of feedback highlights their exceptional project management skills and innovative problem-solving abilities. Clients consistently praise their ability to enhance project requirements and streamline Azure costs, indicating a strong commitment to quality and long-term scalability.
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$5,000+$50 - $99 / hrFreelancerSheffield, England
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See all 1 projectsLucidFox is a web development company specializing in custom website development, known for its efficient and client-focused approach. The reviews highlight a 100% satisfaction rate, praising their work ethic and expertise in web programming. Clients appreciate their competitive pricing, streamlined processes, and commitment to accessibility and inclusivity in web design.
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$1,000+$25 - $49 / hrFreelancer
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See all 1 projectsHaven Web Works is a web development company specializing in complete website design, including content and imagery. They are praised for their excellent communication and customer focus, with 100% of reviewers noting on-time delivery and within budget. Clients suggest possible expansion of services, but commend the company's effectiveness in their current offerings.
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$5,000+< $25 / hr10 - 49
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See all 1 projectsSoftHawker is a web development company praised for its expertise in web application development, web design, and custom website development. Reviews indicate 100% positive feedback, highlighting their exceptional problem-solving skills, timely delivery, and seamless communication. The team’s technical proficiency and professionalism have consistently exceeded client expectations, ensuring efficient and bug-free project outcomes.
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$1,000+< $25 / hr10 - 49
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See all 5 projectsDesigning Bulls is a specialized company offering web and graphic design services, along with social media management and content creation. The reviews show a positive consensus, with clients highlighting their impressive time management and professional design quality. Notably, 100% of reviewers express satisfaction with their results, with one client reporting a 240% increase in sales.
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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
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
45% Web Development75% JavaScript55% Other -
$10,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39/40.019.2/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
45% Web Development60% JavaScript55% Other -
$10,000+< $25 / hr250 - 999Thiruvananthapuram, India
Ability to deliver
38.1/40.018.8/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
50% Web Development50% JavaScript50% Other -
$10,000+Undisclosed50 - 249San Francisco, CA
Ability to deliver
39.1/40.019.8/20 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
39.5/40.020/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
50% Web Development35% JavaScript50% 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 -
$50,000+$100 - $149 / hr1,000 - 9,999San Francisco, CA
Ability to deliver
39.5/40.019.6/20 Reviews9.9/10 Clients & Experience10/10 Market PresenceService focus
15% Web Development25% JavaScript85% 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 -
$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 -
$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 -
$1,000+< $25 / hr250 - 999Boston, MA
Ability to deliver
35.9/40.016.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
40% Web Development35% JavaScript60% 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 -
$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 Development33% JavaScript90% Other -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
36.4/40.016.8/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
60% Web Development45% JavaScript40% 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 -
$50,000+$50 - $99 / hr1,000 - 9,999L'viv, Ukraine
Ability to deliver
38.4/40.018.6/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
21% Web Development18% JavaScript79% 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 / hr1,000 - 9,999Plano, TX
Ability to deliver
36.8/40.017.2/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$10,000+$25 - $49 / hr250 - 999New York, NY
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
28% Web Development15% JavaScript72% Other -
$10,000+$50 - $99 / hr10 - 49Warszawa, Poland
Ability to deliver
37.5/40.018.4/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
50% Web Development70% JavaScript50% Other -
$50,000+$150 - $199 / hr50 - 249Chelsea, Australia
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 / hr50 - 249New York, NY
Ability to deliver
37.8/40.018/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
100% Web Development30% JavaScript -
$1,000+< $25 / hr1,000 - 9,999London, England
Ability to deliver
36.5/40.019.2/20 Reviews9.3/10 Clients & Experience8/10 Market PresenceService focus
20% Web Development25% JavaScript80% 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 -
$25,000+$100 - $149 / hr50 - 249Cypress, CA
Ability to deliver
36.2/40.018.2/20 Reviews10/10 Clients & Experience8/10 Market PresenceService focus
100% Web Development40% JavaScript
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.