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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$10,000+$25 - $49 / hr10 - 49La Plata, Argentina
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See all 17 projectsSINAPTIA is a web development company specializing in Website Development and Full-Stack Web Development using Ruby on Rails. The reviews reveal a high level of satisfaction, with 100% positive feedback emphasizing their flexibility, professionalism, and effective project management. Approximately 60% of reviewers highlight SINAPTIA's ability to adapt to new technologies and their transparent communication, fostering trust and collaboration across various projects.
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$5,000+$50 - $99 / hr10 - 49Edinburgh, Scotland
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See all 19 projectsLumi Design is a web development company specializing in web design and custom website development. Reviews highlight their impressive project management, with 100% of feedback noting timely delivery and effective communication. Clients commend their innovative design solutions and attention to customer needs, with 80% mentioning their excellent design acumen and responsiveness. Although slightly expensive, their dedication to quality and sustainability is frequently praised.
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$25,000+$50 - $99 / hr10 - 49Montevideo, Uruguay
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See all 18 projectsCedarcode is a software consultancy specializing in Ruby on Rails, offering services including web development, web application development, and full-stack development. The overall feedback is overwhelmingly positive, with clients praising their professionalism, integration into client teams, and high-quality deliverables. Approximately 80% of reviews highlight Cedarcode's ability to take ownership and act as strategic partners rather than just contractors. A common theme among reviews is their exceptional project management and communication skills.
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$10,000+$50 - $99 / hr50 - 249Austin, TX
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See all 20 projectsRootstack is a full-stack web development company with expertise in web programming, online development, and custom website development. The reviews reflect a 100% positive feedback rate, highlighting their excellent programmers, strong communication, and ability to meet deadlines. Approximately 80% of reviewers praised their project management and adaptability to client needs. The company is particularly commended for its accountability and efficient delivery of services, such as web application development and front-end development.
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$10,000+$50 - $99 / hr10 - 49Berlin, Germany
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See all 45 projectsThe Weather is a web development company specializing in Website Development, Web Design, and Web Programming. Reviews across various industries consistently praise The Weather for their professionalism, timely delivery, and excellent communication, with 90% highlighting their ability to meet deadlines and adapt to client needs. Approximately 80% of clients commend their alignment with company values, emphasizing a strong culture fit and value for cost.
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$10,000+$150 - $199 / hr2 - 9Nashville, TN
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See all 8 projectsLandslide Creative is a web development company specializing in website design and development, custom website development, and SEO optimization. Their reviews reflect high satisfaction, with 100% of clients praising their responsiveness, timely delivery, and ability to align with company values. Clients frequently commend their deep understanding of unique community needs, highlighting their commitment to creating intuitive, user-friendly sites.
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$5,000+$25 - $49 / hr10 - 49Wentworthville, Australia
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See all 43 projectsWebential is a full-stack web development agency specializing in web design, development, and SEO services. With a 100% positive feedback rate, clients consistently praise their project management, timely delivery, and commitment to customer satisfaction. Approximately 80% of reviews highlight their exceptional communication and responsiveness. Webential excels in tailor-made solutions, demonstrating proficiency in platforms like WordPress and WooCommerce to enhance digital presence and efficiency.
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$25,000+$150 - $199 / hr2 - 9Mississauga, Canada
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See all 24 projectsAnkit Designs Inc. is a web development company specializing in custom website development and web design. With a strong emphasis on client collaboration and understanding project requirements, they have garnered 100% positive feedback for delivering modern, user-friendly websites. Reviewers frequently commend their professionalism, attention to detail, and effective project management, with over 80% highlighting their responsive communication and commitment to client satisfaction.
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$5,000+$25 - $49 / hr50 - 249Chernihiv, Ukraine
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See all 38 projectsChe IT Group is a distinguished web development company specializing in Webflow and custom web programming, with a strong focus on responsive design and CMS integration. Feedback from their clients is overwhelmingly positive, highlighting a 100% satisfaction rate in communication, project management, and timely delivery. Clients consistently praise their technical expertise and ability to enhance user experience, making Che IT Group a preferred partner for web development projects.
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$25,000+$25 - $49 / hr50 - 249Alexandria, VA
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See all 55 projectsPlavno is a web development company offering services such as full-stack web development, web application development, and IT staff augmentation. Their clients praise their technical expertise, particularly in React, PHP, and WordPress, and their ability to deliver projects on time. The company has consistently received positive feedback, with 100% of the reviews highlighting their effective project management, responsiveness, and dedication to achieving clients' business goals.
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$1,000+$100 - $149 / hr10 - 49Lausanne, Switzerland
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See all 22 projectsWPRiders is a distinguished web development company specializing in custom website and web application development with expertise in WordPress. Across various reviews, the company has been praised for its technical acumen, responsive communication, and efficient project management, with approximately 100% of feedback being positive. Clients frequently commend their problem-solving capabilities and strategic insight, making them a reliable partner for complex projects.
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$25,000+$50 - $99 / hr10 - 49Vilnius, Lithuania
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See all 16 projectsivelum is a full-stack web development company renowned for its expertise in custom website development and web application development. With a strong emphasis on collaboration and adaptability, ivelum consistently delivers projects on time and within budget, as praised by 90% of reviewers. Clients often highlight the company's technical proficiency and seamless integration with client teams, while noting room for improvement in communication from the legal team.
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Undisclosed$25 - $49 / hr10 - 49Cluj-Napoca, Romania
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See all 36 projectsInventiff. is a versatile web development company specializing in custom website development, web design, and full-stack web development. With 100% positive feedback across their reviews, clients commend their professionalism, communication, and ability to deliver projects on time, even amidst challenges. Nearly all reviews highlight their responsive communication and ability to integrate seamlessly with client teams, fostering a collaborative environment.
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$75,000+$150 - $199 / hr10 - 49Manhattan Beach, CA
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See all 18 projectsIsadora Agency is a distinguished web development company specializing in custom website development and web design, delivering comprehensive online development solutions. The agency receives overwhelmingly positive feedback, with clients praising their attention to detail, project management, and ability to deliver visually appealing and functional websites. Approximately 100% of reviewers commend their project management skills, while 90% emphasize their innovative design approach. Overall, Isadora Agency is recognized for transforming outdated sites into modern, responsive platforms that significantly enhance user experience and client engagement.
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$10,000+$50 - $99 / hr50 - 249Ząbki, Poland
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See all 44 projectsCogniteq is a web development company specializing in full-stack web development, web programming, and custom website development. The company consistently receives high praise for its responsive communication, professional project management, and skilled developers. Positive reviews highlight their efficiency and ability to meet project objectives, with over 90% of feedback reflecting customer satisfaction and successful project outcomes.
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$25,000+$150 - $199 / hr10 - 49Minneapolis, MN
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See all 24 projectsWindmill Strategy is a web development company specializing in custom website development, web design, and full-stack web development for industrial B2B clients. Reviews indicate strong project management and timely delivery, with 90% of reviewers praising their communication and expertise in SEO and user experience. A notable 80% highlight their technical proficiency and personalized approach, although some suggest refining CTA specificity.
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$5,000+$150 - $199 / hr10 - 49Kansas City, MO
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See all 9 projectsVoltage is a web development company specializing in custom website development, web design, and SEO services. The company receives overwhelmingly positive feedback for its client-centric approach, expertise, and timely delivery, with 100% of reviews highlighting satisfaction with their results. They are praised for improving web traffic, generating qualified leads, and effectively translating client visions into successful digital strategies and platforms.
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$25,000+$150 - $199 / hr10 - 49Nashville, TN
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See all 20 projectsTwin Sun is a proficient web development company known for its expertise in custom website and web application development. Their services, which include full-stack web development and front-end and back-end development, receive overwhelmingly positive feedback, with over 90% of reviewers highlighting their exceptional project management and communication skills. Clients frequently commend their transparency, integrity, and capacity to adapt to complex project requirements effectively.
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$10,000+$25 - $49 / hr10 - 49
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See all 18 projectsLNOKS is a web development company specializing in full-stack web development, including custom website development, web application development, and mobile app development. With 100% positive feedback, clients consistently praise LNOKS for their exceptional project management, technical expertise, and proactive approach to problem-solving. Notably, 100% of reviewers commend their ability to deliver projects on time and their seamless integration with client teams.
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$10,000+$50 - $99 / hr10 - 49Bielsko-Biała, Poland
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See all 24 projectsSoftKraft is a full-stack web development company known for its expertise in developing SaaS platforms, web applications, and custom website development. The company has received overwhelmingly positive feedback, with over 95% of reviewers praising their technical expertise, proactive communication, and the ability to align with clients' business goals, showcasing their strong project management and commitment to high-quality code delivery.
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$10,000+$25 - $49 / hr10 - 49Zymna Voda, Ukraine
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See all 29 projectsBits Orchestra is a web development company specializing in custom website development, web application development, and technical support. Across various projects, clients commend their reliability, timeliness, and effective communication, with over 90% of reviews highlighting these strengths. Their proficiency in platforms like Kentico and custom web programming consistently results in successful projects, fostering long-term partnerships with clients.
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$25,000+$50 - $99 / hr10 - 49Beograd, Serbia
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See all 16 projectsStuntCoders is a comprehensive web development company specializing in custom website and web application development. The reviews demonstrate a consistent theme of high-quality work, effective project management, and a strong focus on customer satisfaction. Impressively, 100% of reviewers highlighted their technical and creative proficiency, with many appreciating their ability to balance both aspects seamlessly. Overall, the feedback is overwhelmingly positive, underscoring their professionalism and responsive communication.
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$10,000+$50 - $99 / hr10 - 49București, Romania
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See all 29 projectsUPDIVISION is a full-stack web development company offering services like custom website development, UI/UX design, and web application development. Reviews indicate a strong emphasis on quality, timely delivery, and seamless communication, with 100% of reviewers highlighting their effective project management and technical expertise. The company is praised for its ability to tackle complex projects and deliver innovative solutions, with an impressive 90% of clients noting their commitment to integrating business insights into technical solutions.
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$25,000+$25 - $49 / hr50 - 249Miami, FL
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See all 32 projectstsukat is a specialized web development company focusing on interactive, VR, AR, and 3D applications. With 100% positive feedback, clients praise their excellent project management, timely delivery, and high-quality results. Distinctive for their digital competence, Tsukat is commended for seamless collaboration, competitive pricing, and adaptability across diverse projects.
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$10,000+$50 - $99 / hr10 - 49Chapel Hill, NC
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See all 11 projectsHyperspace Ventures is a full-stack web development company renowned for its comprehensive web design and development services, including UI/UX and backend development. Their reviews highlight a 100% on-time delivery rate and exceptional project management across diverse projects, with clients praising their professionalism, effective communication, and attention to detail. Approximately 80% of clients commend their ability to meet specific business needs, showcasing their adaptability and commitment to client satisfaction.
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$5,000+$100 - $149 / hr50 - 249Krk, Croatia
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See all 12 projectsBB Agency is a distinguished Web Development company specializing in Custom Website Development, Web Design, and Full-Stack Web Development. The agency consistently receives positive feedback for their creativity, strategic approach, and exceptional project management. Approximately 95% of reviewers praised their ability to align with business objectives and deliver on time. Clients commend their attention to detail, proactive communication, and seamless integration of design and development processes, with 90% expressing satisfaction with the collaboration and outcomes.
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$5,000+$100 - $149 / hr10 - 49Downers Grove, IL
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See all 16 projectsZealth Digital Marketing is a comprehensive web development company specializing in Website Development, SEO optimization, and web design services. They consistently deliver projects on time, as 100% of reviewers highlight their responsiveness and effective communication. Clients appreciate their technical expertise, attention to detail, and commitment to customer satisfaction, with no reported areas for improvement across reviews.
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$5,000+$25 - $49 / hr10 - 49
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See all 13 projectsEsfera Design is a design consultancy specializing in UI/UX and workflow optimization. They are highly regarded for their flexibility, quality, and cultural fit, with 100% of reviews noting their strong project management and communication skills. Clients appreciate their ability to deliver on time and align with business goals, with 40% of reviews highlighting their impressive turnaround time and responsiveness.
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$10,000+$25 - $49 / hr250 - 999Washington, DC
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See all 35 projectsCode District is a full-stack web and application development company, praised for its technical expertise and flexibility. Overall, 100% of the reviews highlight their effective project management and strong communication skills. They excel in delivering custom web solutions, as 85% of reviewers emphasize their ability to meet specific client needs and adapt to evolving requirements. The reviews consistently commend Code District's professionalism, responsiveness, and commitment to project goals.
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$10,000+Undisclosed10 - 49San Ramon, CA
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See all 11 projectsMoonstone Interactive is a web development company specializing in custom website development, web design, and full-stack web development services. Their clients praise their professionalism, responsiveness, and ability to deliver high-quality solutions on time. Approximately 100% of reviews highlight their exceptional project management and collaborative approach, with no significant negative feedback mentioned.
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$5,000+$25 - $49 / hr50 - 249Ludhiana, India
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See all 40 projectsLN Webworks Private Limited is a web development company specializing in Drupal and custom website development. Reviewers consistently highlight their expertise in Drupal, responsiveness, and timely project delivery. Positive feedback is noted in 100% of reviews, with 70% emphasizing their effective communication and project management. However, 30% suggest improvements in providing clearer effort estimations and engaging in detailed project discussions.
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$1,000+$25 - $49 / hr10 - 49Surat, India
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See all 15 projectstheCSS Agency is a proficient web development company specializing in web design, custom website development, and Webflow migrations. They have received overwhelmingly positive feedback, with over 90% of clients appreciating their responsiveness, efficiency, and quality of work. Notably, many clients commend their ability to deliver projects swiftly without compromising quality, underscoring their expertise in both front-end and back-end development.
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$10,000+$25 - $49 / hr10 - 49Tallinn, Estonia
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See all 30 projectsANODA | Product Design Agency | UI UX Design | specializes in creating aesthetically pleasing and functional web platforms, particularly focusing on Web Design and Web Development for the art and NFT sectors. Reviews highlight their strong understanding of client needs and effective communication, resulting in an inspiring and innovative online presence that aligns with the client's artistic vision.
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$50,000+$150 - $199 / hr10 - 49St. Louis, MO
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See all 12 projectsSpry Digital is a full-service web development company specializing in custom website development, web design, and online development. In their reviews, 85% of clients praised their responsiveness and technical expertise. Clients also highlighted their ability to improve user experience and implement complex functionalities. However, some noted the need for clearer initial communication. Overall, Spry Digital is recognized for strong project management and problem-solving skills.
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$50,000+$25 - $49 / hr10 - 49San José, Costa Rica
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See all 16 projectsKambda is a versatile web development company specializing in custom website development, web application development, and full-stack web development services. With a 100% positive feedback rate, clients commend Kambda for their expertise in front-end and back-end development, exceptional project management, and strong communication skills. Their ability to deliver tailored solutions, on-time completion, and adaptability to client needs sets them apart.
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$10,000+$25 - $49 / hr10 - 49Niš, Serbia
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See all 8 projectsNcoded Solutions is a full-stack web development company that specializes in custom website development and web application development. Clients commend their exceptional project management and communication skills, with nearly 100% positive feedback highlighting their commitment to meeting project goals and enhancing user experience. Reviewers frequently note their proactive approach and ability to deliver complex functionalities on time and within budget.
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$10,000+$50 - $99 / hr10 - 49Vilnius, Lithuania
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See all 9 projectsNeat Digital is a web development company specializing in custom website development, web design, and full-stack web development. Their reviews reflect a high level of satisfaction, with 100% positive feedback. Clients commend their strategic approach, attention to detail, and excellent project management, highlighting their ability to deliver modern, user-friendly, and SEO-optimized websites.
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$25,000+$50 - $99 / hr10 - 49L'viv, Ukraine
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See all 23 projectsBambuk Studio is a web development company specializing in full-stack web development, including front-end and back-end development. Their reviews highlight their professionalism, reliability, and exceptional project management, with 100% of feedback praising their communication and design quality. Clients particularly appreciate their ability to meet deadlines and deliver tailored solutions that align with project needs.
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$1,000+$100 - $149 / hr10 - 49Denver, CO
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See all 5 projectsBlennd is a web development company specializing in custom website development and web design. The overall feedback from their reviews is positive, with approximately 75% mentioning their strong communication, project management, and ability to address client needs effectively. However, a few clients noted initial technical challenges, which were resolved through collaborative efforts, showcasing Blennd's commitment to client satisfaction and project success.
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$1,000+$200 - $300 / hr10 - 49Daisy Hill, Australia
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See all 13 projectsMyWork is a web development company providing services such as Website Development, Web Design, and Online Development. With an emphasis on customer service, 100% of reviews highlight their responsiveness and timely delivery. Clients commend their communication and ability to align with project goals, resulting in improved client leads and increased revenue for businesses like Titan RV, which saw a 53% boost in monthly revenue.
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$10,000+$150 - $199 / hr10 - 49Lakewood, CO
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See all 24 projectsNever Settle is a web development company specializing in website design, full-stack development, and SEO. They consistently receive positive feedback, with over 85% of reviewers praising their project management, responsiveness, and alignment with company values. Clients commend their ability to deliver high-quality websites, improve user engagement, and provide personalized service, although some suggest more regular updates and clearer communication on project timelines.
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$5,000+$25 - $49 / hr10 - 49Surat, India
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See all 4 projectsDeclone Labs PVT LTD is a versatile web development company specializing in custom website development, full-stack web development, and AI integration. With 100% positive feedback, clients praise their project management, timely delivery, and effective communication. Notably, 75% of reviews highlight their strong alignment with client needs and proactive support in technical solutions.
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$5,000+$25 - $49 / 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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$10,000+$100 - $149 / hr10 - 49Stoke-On-Trent, England
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See all 9 projectsHarrison Carloss is a full-service web development company that excels in Web Design, Custom Website Development, and SEO services. Their clients consistently highlight the agency's meticulous attention to detail, exceptional project management, and proactive communication. With 100% positive feedback, clients praise their ability to deliver on time and exceed expectations, consistently enhancing digital presence and engagement across various projects.
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$10,000+$25 - $49 / hr10 - 49Biała Podlaska, Poland
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See all 9 projectsClearMedia Software House is a web development company specializing in custom website development, web application development, and full-stack web development. The company is highly regarded for its long-term reliability, efficient project management, and seamless integration into client teams. Over 90% of reviews highlight their exceptional communication and technical skills, with no significant areas for improvement mentioned.
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$5,000+$25 - $49 / hr50 - 249Fort Wayne, IN
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See all 21 projectsEitBiz - Mobile App, Web & Software Development Company excels in custom website development, offering services such as full-stack web development and web application development. Clients highlight their technical expertise, clear communication, and commitment to delivering user-centric solutions. All reviews are positive, with 100% mentioning their responsiveness and attention to quality.
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$25,000+$100 - $149 / hr10 - 49London, England
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See all 29 projectsKOTA is a distinguished web development company specializing in Website Development, Custom Website Development, and Web Design. With consistently high ratings, KOTA is praised for its exceptional project management, timely delivery, and creative capabilities. Notably, 90% of clients highlight their excellent communication and skillful execution, while only 10% note areas for improvement, primarily in content influence and technical refinements.
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$5,000+$50 - $99 / hr10 - 49Sofia, Bulgaria
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See all 8 projectsTVM Engineering Services stands out as a versatile web development company, specializing in full-stack web development and custom website development. Clients appreciate their technical expertise, seamless project management, and high-quality deliverables, with 100% of reviews highlighting timely completion and professional communication. While some initial workflow improvements were suggested, the overall feedback remains overwhelmingly positive, showcasing a commitment to delivering tailored solutions that exceed client expectations.
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$5,000+$25 - $49 / hr10 - 49Warszawa, Poland
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See all 18 projectsWebalize is a web development company known for its expertise in Website Development, Web Design, and Full-Stack Web Development. With a 100% positive feedback rate, clients consistently commend their proactive approach, attention to detail, and effective project management. Approximately 95% of reviews highlight their timely delivery and exceptional communication skills, making Webalize a reliable partner for complex web projects.
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$10,000+$50 - $99 / hr2 - 9Milano, Italy
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See all 6 projectsColla Studio is a prominent web development company specializing in custom website development and web application development services. With a focus on strategic and innovative solutions, 100% of reviewers commend their ability to transform complex concepts into user-friendly, high-performance digital platforms. Reviewers consistently highlight their exceptional project management and ability to deliver projects on time while maintaining clear communication throughout.
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List of the Top 15 JavaScript Development Companies
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$75,000+$100 - $149 / hr50 - 249Vancouver, Canada
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
90% Web Development50% JavaScript10% Other -
$25,000+$50 - $99 / hr50 - 249Kraków, Poland
Ability to deliver
39.3/40.019.4/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.3/40.019.4/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
45% Web Development75% JavaScript55% Other -
$25,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
40% Web Development60% JavaScript60% Other -
$10,000+$50 - $99 / hr50 - 249Montevideo, Uruguay
Ability to deliver
39.5/40.020/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
50% Web Development35% JavaScript50% Other -
$10,000+Undisclosed50 - 249San Francisco, CA
Ability to deliver
38.5/40.019.2/20 Reviews9.6/10 Clients & Experience9.7/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$25,000+< $25 / hr250 - 999Ahmedabad, India
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
65% Web Development20% JavaScript35% Other -
$10,000+$50 - $99 / hr50 - 249Kuala Lumpur, Malaysia
Ability to deliver
39.3/40.020/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
30% Web Development70% JavaScript70% Other -
$5,000+$50 - $99 / hr50 - 249Chicago, IL
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
35% Web Development40% JavaScript65% Other -
$5,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
36.3/40.017.4/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$10,000+$50 - $99 / hr250 - 999Marlborough, MA
Ability to deliver
39.5/40.019.8/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
25% Web Development25% JavaScript75% Other -
$10,000+$25 - $49 / hr250 - 999San Francisco, CA
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
15% Web Development40% JavaScript85% Other -
$25,000+$25 - $49 / hr50 - 249Newark, DE
Ability to deliver
39.6/40.019.6/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
40% Web Development35% JavaScript60% Other -
$50,000+$25 - $49 / hr50 - 249Kharkiv, Ukraine
Ability to deliver
36.6/40.016.8/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
45% Web Development50% JavaScript55% Other -
$1,000+< $25 / hr250 - 999Walpole, MA
Ability to deliver
35.9/40.016.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
40% Web Development35% JavaScript60% Other -
$50,000+$50 - $99 / hr1,000 - 9,999New York, NY
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Web Development25% JavaScript90% Other -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
36.3/40.016.6/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$10,000+< $25 / hr250 - 999Hanoi, Vietnam
Ability to deliver
38.7/40.019.2/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
30% Web Development21% JavaScript70% Other -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
37/40.018/20 Reviews10/10 Clients & Experience9/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$50,000+$100 - $149 / hr1,000 - 9,999San Francisco, CA
Ability to deliver
38.3/40.018.4/20 Reviews9.9/10 Clients & Experience10/10 Market PresenceService focus
15% Web Development25% JavaScript85% Other -
$100,000+$25 - $49 / hr250 - 999Cebu City, Philippines
Ability to deliver
38.7/40.020/20 Reviews10/10 Clients & Experience8.7/10 Market PresenceService focus
30% Web Development20% JavaScript70% Other -
$10,000+$25 - $49 / hr250 - 999New York, NY
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
28% Web Development15% JavaScript72% Other -
$10,000+$50 - $99 / hr10 - 49Warszawa, Poland
Ability to deliver
37.5/40.018.2/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
50% Web Development70% JavaScript50% Other -
$10,000+$25 - $49 / hr1,000 - 9,999Plano, TX
Ability to deliver
36.5/40.016.8/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$50,000+$150 - $199 / hr50 - 249Matlock, England
Ability to deliver
37.8/40.018/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
100% Web Development30% JavaScript -
$50,000+$150 - $199 / hr250 - 999Irvine, CA
Ability to deliver
36.2/40.016.2/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
30% Web Development30% JavaScript70% Other -
$50,000+$150 - $199 / hr50 - 249New York, NY
Ability to deliver
35.5/40.015.8/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$5,000+$50 - $99 / hr50 - 249Maribor, Slovenia
Ability to deliver
36.1/40.020/20 Reviews10/10 Clients & Experience6.1/10 Market PresenceService focus
40% Web Development100% JavaScript60% Other -
$50,000+$50 - $99 / hr1,000 - 9,999L'viv, Ukraine
Ability to deliver
37.6/40.017.8/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
21% Web Development18% JavaScript79% Other -
$25,000+$50 - $99 / hr50 - 249Poznań, Poland
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
50% Web Development10% JavaScript50% Other
Top JavaScript Development Agencies
A JavaScript development company designs, builds, and maintains software products that rely on JavaScript across the stack. Teams typically handle front-end interfaces (React, Vue, or Angular), back-end services (Node.js, Express, NestJS), and database integrations. They translate business requirements into clean, maintainable code, implement third-party APIs, optimize performance, and provide ongoing support or feature enhancements. For startups, they may act as a dedicated product team; for enterprises, they often augment in-house engineers to accelerate delivery.
Most agencies bundle multiple offerings so clients can access full product life-cycle support:
- Discovery workshops & technical consulting
- UI/UX design and prototyping
- Front-end SPA or PWA development
- Server-side development with Node.js or Deno
- API design, GraphQL, and microservices architecture
- QA automation & performance testing
- DevOps, CI/CD, and cloud deployment (AWS, Azure, GCP)
- Post-launch maintenance and feature sprints
Some firms specialize in niches such as ecommerce storefronts, real-time dashboards, or IoT applications built with JavaScript frameworks like Next.js or Svelte.
Clutch data shows project budgets range widely:
- MVP or small web app - $15,000–$50,000
- Mid-size product build - $50,000–$200,000
- Enterprise-grade platform - $200,000–$1M+ | Hourly rates usually fall between $50–$149 depending on agency location, seniority, and specialization. Expect higher rates for U.S.-based teams and advanced services like real-time streaming or complex integrations.
- Align expertise: Verify experience with your required stack (e.g., React Native, TypeScript, serverless).
- Review case studies: Look for measurable outcomes—load-time reductions, user growth, or revenue lifts.
- Check communication style: Agile ceremonies, dedicated Slack channels, and transparent ticket tracking are green flags.
- Validate cultural fit: Long-term projects thrive when collaboration styles and time zones mesh.
- Compare total cost of ownership: Factor in maintenance, future scalability, and licensing—not just upfront build fees.
Shortlist 3-5 agencies on Clutch, schedule discovery calls, and request project roadmaps before signing an agreement.
- Guaranteed timelines without discovery
- No access to source code repositories during the engagement
- Outdated tech stacks (e.g., jQuery-only solutions for modern SPAs)
- Low developer retention or high turnover
- Vague pricing models or hidden fees
If an agency dismisses code reviews, ignores testing, or refuses to provide client references, proceed with caution
- Which JavaScript frameworks do you specialize in, and why?
- Can you walk me through a recent project with similar complexity?
- How do you ensure code quality—linting, peer reviews, automated tests?
- What is your approach to scalability and performance optimization?
- How will we communicate and track progress (tools, meeting cadence)?
- Who owns the intellectual property and source code upon project completion?
Clear answers reveal an agency’s maturity, processes, and commitment to delivering long-term value.
A freelancer is ideal for small fixes or short-term enhancements, offering lower overhead and flexible hours. Agencies provide multidisciplinary teams including project managers, UI designers, and QA engineers capable of delivering end-to-end solutions and scaling resources quickly. While agencies cost more, they reduce single-point-of-failure risk and accelerate time-to-market for complex products. How do JavaScript firms measure ROI? Common KPIs include page-load speed improvements, conversion rate uplifts, reduced infrastructure costs after code optimization, and user engagement metrics (session duration, churn reduction). Firms often set baseline metrics during discovery and provide post-launch analytics dashboards to demonstrate value.
Common KPIs include page-load speed improvements, conversion rate uplifts, reduced infrastructure costs after code optimization, and user engagement metrics (session duration, churn reduction). Firms often set baseline metrics during discovery and provide post-launch analytics dashboards to demonstrate value.