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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$50,000+$150 - $199 / hr10 - 49Evanston, IL
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See all 6 projectsRed Squirrel Technologies is a web development company noted for its expertise in web programming and online development. Across all reviews, 100% of clients praised their seamless integration into existing teams and their exceptional project management, emphasizing their ability to exceed expectations and deliver timely results. Clients also highlighted their strong company culture and alignment of values.
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$10,000+$150 - $199 / hr2 - 9Portland, OR
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See all 4 projectsFeral Studio is a web development company that specializes in custom website development, web design, and web application development. Across their reviews, 100% of clients commend their dedication and ability to deliver high-quality projects, often exceeding expectations. Clients appreciate their comprehensive project management and problem-solving capabilities, highlighting the value they provide in both web and online development services.
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$10,000+$50 - $99 / hr10 - 49Kaunas, Lithuania
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See all 3 projectsMygom.tech is a web development company specializing in front-end development and web design, known for its expertise in creating modern and user-friendly websites. According to 100% of reviewers, their attention to detail, timely delivery, and use of the latest technologies are highly impressive, with no areas for improvement noted.
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$10,000+< $25 / hr10 - 49
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See all 1 projectsCreatella is a development company specializing in creating web-based applications. The reviews highlight their hands-on approach and commitment, with 100% of feedback emphasizing their dedication and reliability. While the project met budget expectations, some improvements were suggested for process efficiency. Overall, Creatella is praised for delivering quality work with a collaborative, in-house team feel.
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$10,000+$25 - $49 / hr50 - 249
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See all 22 projectsHashOne Global Inc. is a comprehensive web development company, specializing in web design, full-stack web development, and custom website solutions. Their reviews are overwhelmingly positive, with approximately 90% of clients praising their flexibility, timely delivery, and collaborative approach. Notably, 80% of reviewers highlight their ability to deliver high-quality projects that meet complex requirements, underscoring their commitment to customer satisfaction and excellence in web programming and development.
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$1,000+$100 - $149 / hr10 - 49Calgary, Canada
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See all 1 projectsGo Top Shelf is a web development company specializing in custom website development, web design, and SEO services. Clients commend their exceptional project management and quick turnaround, with 100% of reviewers highlighting their impressive website design and SEO capabilities. The team is praised for their effective communication and ease of collaboration, contributing to sustained client satisfaction.
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$5,000+$25 - $49 / hr50 - 249
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See all 8 projectsWebSenor is a web development company specializing in custom website development, web design, and online development services. Feedback from clients is overwhelmingly positive, with over 90% of reviewers praising their professionalism, timely delivery, and strong understanding of project needs. The company excels in full-stack web development and is recommended for its effective communication and project management.
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$100,000+$100 - $149 / hr50 - 249Brooklyn, NY
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See all 5 projectsHTD Health is a Web Development company specializing in custom solutions such as booking systems and electronic healthcare records. Reviews emphasize their ability to automate and optimize processes, with positive feedback highlighting their creativity and dedication. The team is praised for excellent collaboration, with 100% of reviewers appreciating their project management skills and commitment to client success.
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$5,000+$50 - $99 / hr10 - 49
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See all 14 projectsOfspace LLC specializes in Website Development and Web Design, delivering responsive and modern websites with engaging features. Overall feedback highlights exceptional project management, timely delivery, and creative control tailored to client needs, resulting in high client satisfaction. Clients appreciate their thorough communication and adherence to trending web design guidelines.
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$1,000+$50 - $99 / hr2 - 9London, England
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See all 1 projectsMarket Jar is a marketing and social media agency renowned for implementing effective and targeted strategies. The company has received overwhelmingly positive feedback, with 100% of reviewers highlighting their attention to detail and successful outcomes. Clients have reported significant improvements in marketing campaigns, praising the excellent workflow and collaboration.
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$5,000+< $25 / hr10 - 49Pimpri-Chinchwad, India
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See all 12 projectsBrand Provoke is a web development company specializing in website design and development, with services extending to rebranding and digital marketing. Overall, clients appreciate their ability to understand requirements quickly and execute projects efficiently, with 100% of reviewers highlighting their impressive design skills and proactive approach. However, some feedback suggests they could improve project update communication and gain more experience in engineering-related projects.
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$5,000+$100 - $149 / hr10 - 49Toronto, Canada
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See all 6 projectsNuBinary is a web application development company that excels in crafting customized web solutions utilizing technologies like Ruby on Rails and JavaScript. Across reviews, 100% of clients praised their professionalism, responsiveness, and effective project management. Clients appreciate NuBinary's technical expertise and ability to meet deadlines, with 75% highlighting their strategic guidance and collaborative approach.
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$5,000+$50 - $99 / hr10 - 49Lahore, Pakistan
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See all 4 projectsYTeams Pvt Ltd provides services in Website Development, Web Design, and online development, consistently demonstrating professionalism and commitment. Clients appreciate their timely delivery, effective communication, and ability to meet specific project requirements. While their expertise is highly regarded, some feedback suggests minor improvements in graphic design choices could enhance their offerings. Overall, YTeams Pvt Ltd is recognized for its skilled and trustworthy engineering team.
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$5,000+$150 - $199 / hr10 - 49Berlin, Germany
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See all 12 projectsapplepie Berlin is a web development company specializing in Online Development services, offering expertise in areas such as conversion rate optimization and Shopify support. With a 100% positive feedback rate, clients praise their reliable and timely project management, effective communication, and dedication to solving challenges, resulting in improved sales and customer satisfaction.
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$10,000+$50 - $99 / hr10 - 49Montevideo, Uruguay
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See all 7 projectsQuillok is a web development company specializing in developing design system components, including Select, Dropdown, Modal, and Image Crop. Review feedback is predominantly positive, highlighting their strong communication and adaptability to project needs, though some mention minor delays due to project complexity. Approximately 80% of reviewers commend their effective communication.
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$25,000+$150 - $199 / hr10 - 49Arlington, VA
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See all 10 projectsEcho&Co is a web development company specializing in custom website development and design, particularly using Drupal and Jekyll platforms. Their reviews indicate high satisfaction, with approximately 90% positive feedback highlighting their strategic guidance, project management skills, and ability to understand client missions. Clients praise their comprehensive approach to website design, encompassing both aesthetics and functionality, though some note their services can be cost-prohibitive for smaller organizations.
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$10,000+$25 - $49 / hr10 - 49L'viv, Ukraine
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See all 6 projectsRedentu is a web development company specializing in Website Development, Web Design, and Web Programming. The company consistently receives positive feedback, with clients praising their expertise, timely delivery, and effective project management. Approximately 90% of reviewers commend their technical skills and collaborative approach, making them a reliable choice for Custom Website Development and Full-Stack Web Development services.
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$10,000+$50 - $99 / hr10 - 49
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See all 9 projectsFluxitron offers comprehensive services in web development and online development, including blockchain projects and smart contract solutions. Client reviews highlight their effective delivery, professionalism, and high-quality work. The company is noted for its robust team, timely completion of tasks, and excellent feedback after product releases, making them a reliable partner in web programming and related services.
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$1,000+< $25 / hr10 - 49Lahore, Pakistan
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See all 5 projectsTriaxo Solutions is a software development company specializing in mobile app development, known for their adaptability and expertise in platforms such as Flutter and Firebase. The reviews reflect an 80% positive feedback rate, highlighting their ability to transform ideas into reality and meet deadlines consistently. While communication and quality checks were areas noted for improvement, clients appreciated their reasonable pricing and effective project management.
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$5,000+$100 - $149 / hr10 - 49Washington, DC
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See all 1 projectsClearly Innovative is a mobile app development company that also offers website solutions, known for its extensive back-end database capabilities. With a project success rate highlighted by 100% positive feedback, clients commend their accessibility, attention to detail, and ability to preemptively address issues. Their work is often described as top-tier, with the company providing consistent and dedicated teams for project execution.
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$5,000+$100 - $149 / hr2 - 9Monroe, WA
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See all 13 projectsEfinitytech is a web development company specializing in custom website development, web programming, and SEO. With a focus on personalized service and high-quality, robust solutions, Efinitytech has received overwhelmingly positive feedback, with about 90% of reviewers highlighting their excellent customer service and effective communication. Clients commend their ability to tailor projects to specific needs and their dedication to client success.
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$5,000+Undisclosed2 - 9
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See all 4 projectsMetaclass is a full-stack web development company specializing in back-end development, custom web solutions, and web application development. Reviews indicate a strong emphasis on code quality and project management, with approximately 90% of clients praising their technical expertise and innovative problem-solving. Clients appreciate their commitment to delivering cost-effective, customized solutions within budget constraints.
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$10,000+$25 - $49 / hr50 - 249Noida, India
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See all 11 projectsQSS Technosoft Inc is a proficient web development company specializing in custom website development and full-stack web development services. Their reviews reflect a strong emphasis on effective project management, transparent communication, and a result-oriented approach, with approximately 90% of clients highlighting their technical expertise and commitment to meeting timelines. Positive feedback frequently mentions their skilled developers and proactive management.
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$5,000+$100 - $149 / hr2 - 9
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See all 3 projects2 Dogs Media is a web development company specializing in custom website development and SEO optimization. Reviewers highlight the company's thorough audits and effective website recoding, contributing to improved user engagement and SEO performance. With 100% positive feedback, clients appreciate the owner's commitment to client growth and timely project management.
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$1,000+$25 - $49 / hr2 - 9
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See all 17 projectsMomentum Squads is a full-stack web development company that excels in creating custom website development solutions and web applications. With a 100% positive feedback rate across reviews, clients commend their commitment to delivering high-quality online development projects on time and within budget. Notably, 90% of the reviews highlight their exceptional project management and responsiveness to client needs.
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$25,000+$100 - $149 / hr10 - 49
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See all 1 projectsNYC Devshop is a web development company specializing in custom website development and web programming using Ruby on Rails. Reviews highlight their timely and budget-conscious project management, with 85% of feedback praising their engineering and business acumen. However, 15% of reviewers suggest improvements in UI/UX design.
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$5,000+$50 - $99 / hr2 - 9Mission Viejo, CA
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See all 3 projectsCalibec is a web development company specializing in modernizing applications, offering services like online development and web programming. Reviews highlight their effective communication, timely delivery, and the successful enhancement of user engagement, with 100% positive feedback on their project management. Clients appreciate their straightforward approach and the value they provide for the cost.
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$25,000+$25 - $49 / hr10 - 49
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See all 5 projectsVindiTek is a web development company specializing in custom website development and app creation for both iOS and Android platforms. In their reviews, 100% of clients praised their efficiency and professionalism, noting that their work significantly enhanced business outcomes. Clients appreciated their swift delivery and adaptability, leading to successful project completion.
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$25,000+$25 - $49 / hr50 - 249Kyiv, Ukraine
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See all 31 projectsMLSDev is a web development company specializing in custom website development, web application development, and full-stack web development. They consistently receive positive feedback, with clients praising their project management, responsiveness, and ability to integrate innovative ideas. Nearly 100% of reviewers highlight their professionalism and quality of work, emphasizing their commitment to collaboration and client satisfaction.
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$25,000+$100 - $149 / hr2 - 9Hilversum, Netherlands
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See all 6 projectsVolare Software is a full-stack web development company renowned for its expertise in web application development and custom software solutions. Their reviews highlight a 100% positive feedback rate, with clients praising their transparency, exceptional project management, and ability to adapt to complex requirements. Approximately 80% of reviewers commend their collaborative approach and depth of technical knowledge in both front-end and back-end development.
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$10,000+$50 - $99 / hr10 - 49Dover, DE
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See all 5 projectsSuper Cluster is a web development company specializing in Website Development, Web Design, and Custom Website Development. With a 100% positive feedback rate, clients commend their exceptional flexibility, timely delivery, and ability to anticipate needs. Approximately 50% of reviews highlight their outstanding communication and alignment with client values, showcasing their commitment to building trust and delivering high-quality, innovative solutions.
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$1,000+$50 - $99 / hr10 - 49
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See all 2 projectsSacred Graph is a technology consulting company specializing in setting up and migrating platforms like Supabase, Vercel, Azure, and Azure Intelligence to meet stringent security requirements. Customer feedback highlights their efficiency, timely project delivery, and excellent communication, with 100% of reviewers noting their helpfulness and understanding. They are praised for their ability to ensure compliance with industry standards such as GDPR and ISO 27001.
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$5,000+$150 - $199 / hr10 - 49Montgomery, AL
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See all 6 projectsCopperwing Design is a comprehensive branding and marketing agency known for its creativity and strategic approach in rebranding, logo design, and marketing collateral development. In their reviews, 100% of clients praise their professionalism, effective communication, and commitment to delivering high-quality solutions. The company is highly regarded for creating cohesive brand identities and meeting client expectations consistently.
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$1,000+$50 - $99 / hr50 - 249
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See all 15 projectsACAP is a company specializing in Web Development and Web Application Development services. Reviews reveal a mixed reception: while 60% of clients report seamless project management and reliable communication, 40% express concerns about quality control and offshore development inconsistencies. Despite these challenges, ACAP has been commended for their reasonable pricing and flexibility in client interactions, emphasizing their commitment to client satisfaction.
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$10,000+$50 - $99 / hr250 - 999
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See all 6 projectsEsteemed is a web development company specializing in front-end and back-end development, with a focus on Drupal-based projects. The reviews reveal a consistent theme of satisfaction, with around 100% of clients expressing positive feedback regarding the quality of work and communication. Esteemed is praised for its responsive communication, high-quality development, and ability to integrate seamlessly with clients’ teams, making it a reliable partner for custom website development projects.
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$5,000+$25 - $49 / hr10 - 49Cluj-Napoca, Romania
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See all 1 projectsMediatic is a software development company specializing in PHP and Symfony technologies, with a strong focus on eCommerce platforms. The reviews highlight their exceptional technical expertise and excellent project management skills, with 100% positive feedback regarding their ability to deliver high-quality code and effective communication. Clients particularly commend their management team's synergy and understanding of project needs.
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$5,000+$25 - $49 / hr10 - 49Rawalpindi, Pakistan
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See all 19 projectsBinary Marvels Pvt Ltd. is a proficient web development company specializing in custom website development, full-stack web development, and web application development. Reviewers praise their professionalism, timely project completion, and quality work, with 100% of feedback highlighting their effective communication and dedication. Additionally, 75% of reviewers commend their ability to understand client needs quickly and deliver impressive results.
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$10,000+$100 - $149 / hr2 - 9Norwich, England
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See all 5 projectsBigfork Ltd is a web development company offering services such as website design, hosting, support, and SEO. The overall feedback from clients is overwhelmingly positive, with 100% of reviewers highlighting their responsiveness, technical expertise, and commitment to client satisfaction. Many noted their successful delivery of custom website development projects and their proactive project management.
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$10,000+$150 - $199 / hr10 - 49Peachtree Corners, GA
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See all 4 projectsWebTheory is a web development company specializing in custom website development, particularly with WordPress. Reviews are overwhelmingly positive, highlighting their strong project management and commitment to quality, with 100% of reviewers noting their responsiveness and dedication to project outcomes. A minor suggestion was improved organization of shared assets.
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$25,000+$50 - $99 / hr2 - 9Chișinău, Moldova
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See all 2 projectsSoflex is a web development company specializing in creating custom website solutions, including full-stack web development and web application development. The overall feedback is overwhelmingly positive, with 100% of the reviews highlighting their timely delivery, transparent communication, and client-focused approach. Clients appreciate their flexibility and dedication to meeting project requirements successfully.
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$5,000+$25 - $49 / hr10 - 49Kharkiv, Ukraine
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See all 10 projectsDeluxcode is a web development company that excels in custom website development, web application development, and web design. Reviews highlight their expertise in full-stack web development, with a 100% satisfaction rate among clients. Deluxcode is praised for their flexibility, quick response times, and ability to deliver projects exceeding client expectations with innovative solutions.
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$1,000+$50 - $99 / hr2 - 9Sofia, Bulgaria
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See all 2 projectsUnax is a versatile software development company specializing in cloud-based solutions and custom web development, particularly for legal and employee engagement sectors. Their clients commend their exceptional project management, timely delivery, and technical expertise, with all reviewers highlighting their quick understanding and responsiveness. Overall, 100% of the feedback is positive, emphasizing Unax's ability to meet specific business needs effectively.
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$1,000+Undisclosed50 - 249
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See all 7 projectsAFX Web Studios is a web development company specializing in Website Development, Web Design, and WordPress site creation. They have consistently demonstrated technical proficiency and understanding of business needs, with 100% of reviewers praising their user-friendly designs and timely delivery. AFX Web Studios is recognized for its unique feature integration, particularly for new businesses.
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$5,000+$25 - $49 / hr10 - 49Monterrey, Mexico
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See all 1 projectsHMS Software Solutions is a software development company specializing in automating and streamlining business processes. Their clients commend them for their innovative solutions and effective project management, leading to increased client and employee satisfaction. Impressively, 100% of reviewers noted improved efficiency and error reduction, with no areas for improvement mentioned.
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$5,000+$25 - $49 / hr10 - 49Khmel'nyts'kyi, Ukraine
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See all 1 projectsIMREV is a web development company that specializes in Web Development and Web Programming services. The feedback highlights their punctuality and effective communication, with 100% of reviewers noting timely delivery and satisfaction with their work. Clients appreciate their reliability and quality, contributing to overwhelmingly positive reviews.
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$10,000+$25 - $49 / hr50 - 249
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See all 5 projectsEvistep Enterprise offers comprehensive services in Website Development, Web Design, game development, and app development. Reviews highlight their attention to detail, quick responsiveness, and the creation of visually appealing websites and designs. Clients report satisfaction with the effective workflow and successful project outcomes.
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$10,000+$50 - $99 / hr50 - 249
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See all 3 projectsOINO specializes in web and software development, offering services such as Web Application Development and Web Programming. Review feedback is largely positive, highlighting their project management skills and flexibility, with 100% of reviews praising their ability to meet deadlines and adapt to client needs. A minor area for improvement involves initial communication and wireframe development.
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$10,000+$50 - $99 / hr10 - 49Kyiv, Ukraine
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See all 9 projectsEltrino is a web development company known for its creative and diligent approach to custom website development, including web design and front-end development. With 100% positive feedback, clients praise their professionalism, creativity, and effective communication, resulting in a modern and comprehensive web presence.
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$1,000+$25 - $49 / hr10 - 49Los Angeles, CA
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See all 6 projectsDigital Octane is a full-stack web development company specializing in Website Development, Web Design, and Web Programming. Across their reviews, 100% of clients praise their efficient project management, timeliness, and high-quality output, with particular emphasis on their ability to deliver pixel-perfect and user-friendly web solutions. Many clients (at least 60%) commend their cost-effectiveness and clear communication.
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$1,000+$25 - $49 / hr10 - 49Kyiv, Ukraine
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See all 13 projectsWeb Peppers is a web development company specializing in Custom Website Development, Front-End Development, and Back-End Development, particularly using Drupal. With a strong track record of responsiveness and professionalism, they have received overwhelmingly positive feedback from clients. Approximately 100% of reviewers commend their flexibility, communication, and ability to meet deadlines, indicating their reliability and effectiveness in delivering high-quality web solutions.
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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 Development75% JavaScript50% 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 -
$25,000+$50 - $99 / hr50 - 249Kraków, Poland
Ability to deliver
39.5/40.019.6/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% 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
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 -
$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 -
$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+$150 - $199 / hr50 - 249New York, NY
Ability to deliver
38.2/40.018.4/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
100% Web Development30% JavaScript -
$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 -
$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 - 249Long Beach, 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.