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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$5,000+$100 - $149 / hr50 - 249New York, NY
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See all 12 projectsRapptr Labs is a comprehensive web development company specializing in custom website development and full-stack web development services. Feedback from clients highlights their innovative web application development and effective project management, with a significant 90% of reviewers commending their responsiveness and flexibility. While their services are considered high-quality and modern, 20% of feedback notes the cost as a potential drawback.
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$5,000+$150 - $199 / hr10 - 49Irvine, CA
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See all 11 projectsHuman is a web development company specializing in website design, management, and custom website development. They have received overwhelmingly positive feedback, with clients praising their open-minded approach and expertise. Notably, 100% of reviewers commend their culture and ability to enhance conversion-focused experiences, with continued monthly sales growth reported by clients.
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$1,000+$25 - $49 / hr10 - 49Buenos Aires, Argentina
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See all 2 projectsAvraDev is a web development company specializing in website development and mobile site development. They received 100% positive feedback for their adherence to project plans, professional management of changes, and responsiveness. The company is commended for its alignment with client values and budget, demonstrating a strong cultural fit.
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$5,000+$25 - $49 / hr50 - 249Ahmedabad, India
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See all 5 projectsVindaloo Softtech Pvt. Ltd. is a telecommunications and software development company specializing in customized VoIP, CRM, and PBX systems. Clients consistently commend their professionalism, clear communication, and timely delivery of quality projects. Notably, 100% of reviewers express satisfaction with their deliverables and responsiveness. Additionally, many highlight the company's ability to adapt to changes and provide innovative solutions.
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$5,000+$50 - $99 / hr10 - 49Fort Wayne, IN
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See all 3 projectsDataCose is a web development company specializing in custom solutions such as appointment tracking, proposal generation, and live-streaming systems. Reviews highlight a 100% satisfaction rate, with clients praising their efficiency, professionalism, and ability to improve operational processes. The company excels at understanding and meeting client needs with a collaborative approach.
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$1,000+< $25 / hr10 - 49Rajkot, India
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See all 1 projectsSwayam Infotech is a mobile app development company renowned for delivering projects efficiently and professionally. They consistently meet deadlines and demonstrate a high level of commitment to client satisfaction. With 100% positive feedback highlighting their prompt communication and professional approach, they are a preferred choice for high-quality, budget-friendly mobile app solutions.
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$10,000+$50 - $99 / hr10 - 49Sofia, Bulgaria
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See all 7 projectsBulcode is a web development company excelling in Website Development, Full-Stack Web Development, and Custom Website Development. Across their reviews, approximately 100% of clients highlight their technical expertise, proactive communication, and adherence to deadlines. Many reviews also praise their ability to increase operational efficiency and sales, with 67% of reviewers mentioning impressive project management and customer support.
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$25,000+$150 - $199 / hr10 - 49Chicago, IL
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See all 28 projectsVault Innovation is a full-stack web development company specializing in creating custom technology solutions, including web application development and front-end and back-end development. Across their reviews, they receive predominantly positive feedback, with 90% of clients praising their technical expertise, project management skills, and ability to adapt to client needs. Clients frequently commend their transparency and partnership approach, while some suggest improvements in communication and project timeline estimations.
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$5,000+$25 - $49 / hr10 - 49Kharkiv, Ukraine
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See all 5 projectsSednor Holdings Limited is a web development company specializing in custom website development and web application development. The company receives overwhelmingly positive feedback, with clients praising their high-quality work, effective project management, and exceptional communication skills. Notably, 100% of reviewers report satisfaction with their web design and development projects, highlighting their ability to deliver scalable, modern interfaces and seamless client-side solutions.
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$25,000+$150 - $199 / hr10 - 49Atlanta, GA
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See all 25 projectsTyrannosaurus Tech is a comprehensive web development company offering custom website development, full-stack development, and web application development. According to all available reviews, clients overwhelmingly praise their proactive and responsive communication, with 100% noting their professionalism and technical skill. Approximately 90% highlight their ability to seamlessly integrate into teams, ensuring project efficiency and high-quality results.
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$5,000+$25 - $49 / hr10 - 49Lahore, Pakistan
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See all 12 projectsDesol Int is a proficient web development company specializing in custom website development, web design, and full-stack web development. The company has received overwhelmingly positive feedback, with 100% of reviewers praising their professionalism, responsiveness, and attention to detail. Clients commonly commend their ability to meet deadlines, deliver high-quality results, and maintain effective communication throughout project execution.
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$10,000+< $25 / hr50 - 249Frisco, TX
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See all 7 projectsBiz4Solutions is a versatile software development company specializing in mobile and web applications across various industries. The reviews highlight a consistent theme of strong project management and effective communication, with 100% of clients noting their professionalism and dedication to client success. Approximately 80% of reviewers praised their ability to deliver solutions tailored to specific business needs, while 60% emphasized their collaborative approach and depth of technical expertise. The company is appreciated for its commitment to understanding client goals and providing innovative solutions.
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$10,000+$25 - $49 / hr10 - 49São Carlos, Brazil
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See all 7 projectsLiven is a web development company specializing in Web Application Development, offering services such as Full-Stack Web Development and Custom Website Development. They consistently deliver high-quality projects on time, with 100% of reviewers noting their understanding and alignment with client needs. Clients appreciate their effective project management and innovative solutions, though some suggest faster bug resolution.
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$5,000+$25 - $49 / hr10 - 49Gdynia, Poland
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See all 15 projectsSailing Byte is a web development company specializing in custom website and web application development, with expertise in full-stack, front-end, and back-end development. The feedback is overwhelmingly positive, with clients praising their project management, timely delivery, innovative solutions, and communication skills. Approximately 80% of the reviews emphasize their ability to deliver high-quality work within budget constraints, making them a reliable partner for diverse projects.
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$10,000+$25 - $49 / hr10 - 49Dnipro, Ukraine
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See all 14 projectsFlyaps is a full-stack web development company specializing in custom web application development and web design. The reviews reflect overwhelmingly positive feedback, with 100% of clients praising their technical expertise, project management, and communication skills. Clients appreciate their ability to deliver high-performance, scalable solutions while maintaining a personal touch, with a notable 67% highlighting their outstanding user experience design and responsiveness to client needs.
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$5,000+$25 - $49 / hr10 - 49Jounieh, Lebanon
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See all 9 projectsHellotree is a full-stack web development company specializing in web design, development, and custom website solutions. The firm has received overwhelmingly positive feedback, with clients praising their strong project management, responsiveness, and ability to deliver on time. Over 90% of reviewers highlighted their proactive communication and technical expertise, particularly in enhancing user experience and operational efficiency through innovative solutions.
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$25,000+$50 - $99 / hr10 - 49Pécs, Hungary
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See all 13 projectsCubicfox is a full-stack web development company known for its expertise in custom website development, front-end, and back-end development, as well as web application development. Overall, 100% of the reviews are positive, highlighting their professionalism, flexibility, and client-focused approach. Clients appreciate their effective project management style and innovative solutions, with numerous testimonials praising their commitment and impressive design work.
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$25,000+$200 - $300 / hr10 - 49New York, NY
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See all 4 projectsCompose[d] is a creative design and digital content agency specializing in social media design, digital assets, and engaging content creation for global brands. Their clients consistently praise them for their creative flexibility, efficient project management, and strong communication skills. With a 100% satisfaction rate, reviewers frequently highlight the team's responsiveness, collaborative nature, and ability to deliver high-quality work that meets or exceeds expectations.
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$10,000+$50 - $99 / hr10 - 49
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See all 7 projectsWise Engineering is a full-stack web development company specializing in custom website development and web application development. Reviewers highlight their strong communication skills, efficient project management, and quick adaptability, with 100% positive feedback on their ability to deliver polished products swiftly. Their autonomous and innovative approach is particularly praised by clients.
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$5,000+$100 - $149 / hr10 - 49Montevideo, Uruguay
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See all 1 projectsBrokenRubik is a web development company specializing in technologies such as React, Angular, and WordPress. Their efficient approach to Website Development, demonstrated by a 70% increase in site speed and improved SEO metrics, has led to overwhelmingly positive feedback, with 100% of reviewers noting their timeliness and effective project management.
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$1,000+$25 - $49 / hr50 - 249Jaipur, India
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See all 1 projectsNetleon Technologies is a web development company specializing in website and mobile app development, known for its high-quality and reliable services. They are praised for their hardworking nature and effective project management, with 100% positive feedback highlighting their ability to meet client specifications and create aesthetically pleasing and user-friendly designs.
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$5,000+$100 - $149 / hr2 - 9Erie, PA
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See all 5 projectsSnowberry Media is a web development company specializing in custom website design and development, offering services such as full-stack web development, web application development, and e-commerce solutions. With a 100% satisfaction rate across reviews, clients consistently commend their timely delivery, effective project management, and ability to communicate technical details clearly. Approximately 80% of reviewers highlight their responsiveness and adaptability to client needs.
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$25,000+$100 - $149 / hr50 - 249Sofia, Bulgaria
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See all 16 projectsResolute Software is a distinguished web development company specializing in website development, web design, and full-stack web development services. With a strong emphasis on quality and technological leadership, they deliver projects on time, demonstrating impressive project management skills. Across reviews, 100% of clients highlight their professionalism and expertise, noting their ability to integrate modern solutions and effectively communicate client visions.
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Undisclosed< $25 / hr10 - 49
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See all 36 projectsE2developers is a web development company specializing in custom website and WordPress development. Across all reviews, clients consistently praise their professionalism, effective communication, and ability to deliver projects within deadlines, with over 90% positive feedback emphasizing their design capabilities and proactive project management. Additionally, their client-centric approach and expertise in both front-end and back-end development are frequently highlighted.
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$50,000+$50 - $99 / hr2 - 9
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See all 30 projectsDigiruu is a full-stack web development company known for its exceptional commitment to quality and customer satisfaction. They specialize in custom website development and web application development, consistently impressing clients with their professionalism and expertise. Notably, 100% of reviewers highlight their outstanding communication and dedication, with no areas for improvement mentioned.
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$50,000+$25 - $49 / hr50 - 249Miami, FL
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See all 15 projectsORIL is a full-service web development company specializing in custom website development, web application development, and full-stack web development. The majority of reviews are highly positive, with 100% of clients expressing satisfaction with their professionalism, project management, and ability to deliver high-quality, user-friendly web solutions. Common themes include their strong technical expertise and efficient communication.
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$5,000+< $25 / hr50 - 249Kolkata, India
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See all 40 projectsTechno Exponent is a web development company providing comprehensive services including website development, full-stack web development, and online development. The company's reviews reflect a 100% positive feedback rate, with clients consistently praising their technical expertise, responsive communication, and adherence to deadlines. An impressive 80% of reviews highlight their ability to deliver tailored solutions that align with business goals and improve user engagement.
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$10,000+$25 - $49 / hr50 - 249Córdoba, Argentina
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See all 18 projectsClarika is a website development company specializing in web programming, custom website development, and web application development. Across multiple reviews, clients consistently praise their timely project delivery, effective communication, and agile methodologies. Notably, 100% of the feedback highlights the company's impressive team and project management skills, with no significant areas for improvement noted.
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$25,000+$150 - $199 / hr10 - 49Austin, TX
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See all 16 projectsCURTIS Digital, Inc. is a full-service web development company specializing in custom website development, full-stack web development, and online development. They have consistently received positive feedback for their technical expertise, responsiveness, and commitment to delivering high-quality solutions, with approximately 95% of reviews highlighting their innovative approach and strong communication skills. However, some reviews suggest room for improvement in project management efficiency.
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$5,000+$150 - $199 / hr2 - 9Auckland, New Zealand
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See all 5 projectsSkyrocket is a Web Development company known for its Custom Website Development and Web Design services. They receive overwhelmingly positive feedback, with 100% of reviewers praising their client focus and responsive project management. Clients consistently highlight Skyrocket's ability to enhance user experience, improve site functionality, and deliver projects on time, leading to increased site traffic and customer engagement.
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$50,000+$100 - $149 / hr10 - 49Miami, FL
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See all 10 projectsCobuild Lab Inc is a full-stack web development company specializing in web application development and design services. The company is noted for its minimalist UI approach, versatility, and ability to translate prototypes into functional web apps. Approximately 67% of reviewers commend their problem-solving skills and cost-effectiveness, while 33% highlight the need for improved communication processes. The team is dedicated, self-directed, and demonstrates a commitment to client profitability.
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Undisclosed$200 - $300 / hr50 - 249
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See all 3 projectsUeno is a design agency renowned for its expertise in user experience (UX) and user interface (UI) design, as well as its ability to deliver creative and technically complex solutions. The company receives overwhelmingly positive feedback, with clients praising their exceptional project management, creativity, and strategic thinking. Over 90% of reviewers emphasize Ueno's high-quality work and responsiveness, with no significant areas for improvement noted.
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$50,000+$150 - $199 / hr2 - 9El Segundo, CA
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See all 22 projectsExpedition Co. is a web development company specializing in custom website, web application, and full-stack web development. Their projects encompass diverse industries, from fintech to education and entertainment, reflecting their adaptability and technical prowess. Across their reviews, clients consistently praise their communication and innovative solutions, with a 100% satisfaction rate noted in project management and delivery. Expedition Co. combines expertise in front-end and back-end development, offering comprehensive online development services.
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$50,000+$50 - $99 / hr10 - 49Rīga, Latvia
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See all 4 projectsVide Infra is a distinguished web development company known for its comprehensive services, including website development, web design, and custom web solutions. The company receives overwhelmingly positive feedback, with 100% of reviewers highlighting their exceptional project management, proactive approach, and high-quality deliverables. Clients particularly commend the company's ability to understand business needs and deliver innovative, tailored web and branding solutions.
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$1,000+$25 - $49 / hr10 - 49L'viv, Ukraine
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See all 15 projectsGot It Agency is a web development company specializing in custom website development, web design, and front-end development. With 100% positive feedback, clients commend their professional collaboration, speed, and high-quality deliverables. The agency's ability to adapt to new technologies and maintain timely project management has led to ongoing partnerships, highlighting their exceptional service in web application development.
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$10,000+$50 - $99 / hr10 - 49Warszawa, Poland
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See all 12 projectsCodeshine is a full-stack web development company excelling in web application development, custom website development, and online development solutions. With a focus on technologies like React and Next.js, 100% of their reviews highlight their technical expertise and client-focused approach. Clients uniformly praise Codeshine for their reliability, on-time delivery, and capacity to adapt to changing project requirements.
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$25,000+$50 - $99 / hr50 - 249Zagreb, Croatia
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See all 19 projectsArs Futura is a full-service web and mobile development company renowned for delivering robust and scalable solutions through custom website development, web application development, and mobile app development. With 100% positive feedback, clients praise their project management, timely delivery, and ability to exceed expectations, as they consistently demonstrate expertise in both front-end and back-end development, fostering a collaborative partnership.
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$10,000+< $25 / hr250 - 999
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See all 50 projectsPerfect Systems is a web development company specializing in custom website development and web application development. The reviews highlight their strong project management skills, attention to detail, and ability to deliver tailored solutions. Over 90% of the feedback is positive, with clients appreciating their ability to translate complex requirements into effective digital solutions, suggesting 70% of reviewers noted their proactive approach and expertise in web design.
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$25,000+$100 - $149 / hr10 - 49Rotterdam, Netherlands
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See all 6 projectsLevel Level is a web development company specializing in custom website development and full-stack web development, particularly with WordPress. Their reviews highlight a strong reputation for flexibility, problem-solving, and customer-oriented service, with 100% of reviewers emphasizing their responsiveness and technical expertise. They effectively manage complex projects, although some clients suggest improvements in project management and design offerings.
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$1,000+$25 - $49 / hr50 - 249Noida, India
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See all 11 projectsIDS Logic is a web development company specializing in custom website development and full-stack web development services. With a strong focus on WordPress development, they consistently receive positive feedback for their professionalism, responsive communication, and competitive pricing. Clients praise their ability to deliver high-quality, scalable solutions within agreed timelines, with approximately 100% of reviewers highlighting their project management efficiency and technical expertise.
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$5,000+$150 - $199 / hr10 - 49Coquitlam, Canada
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See all 14 projectsBallistic Arts is a marketing firm with a strong emphasis on web design and custom website development. Reviews indicate a high level of client satisfaction, with positive feedback about their responsiveness and expertise in website optimization and social media management. Approximately 90% of reviewers commend their innovative approach and ability to enhance online presence, while no significant negative feedback has been noted.
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$1,000+$150 - $199 / hr10 - 49Zürich, Switzerland
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See all 4 projectsDivio AG is a full-stack web development company specializing in both front-end and back-end solutions, notably utilizing the Django CMS for custom website development. Reviewers highlight their ability to deliver comprehensive web application development services, with approximately 90% providing positive feedback. Clients consistently praise Divio AG for their effective communication, technical expertise, and responsive support, which contribute to an intuitive user experience and successful project outcomes.
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$10,000+$25 - $49 / hr50 - 249Uzhhorod, Ukraine
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See all 1 projectsElementica is a development company specializing in both front-end and back-end solutions, notably praised for building business-facing portals. Their reviews reflect a 100% positive feedback rate, highlighting their efficient project management and impressive company culture. Clients appreciate their alignment with company values and cost-effective service offerings.
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$5,000+$150 - $199 / hr2 - 9Montreal, Canada
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See all 8 projectsMint Media is a web development company specializing in Website Development, Web Design, and Custom Website Development, with expertise in both front-end and back-end development. Consistently praised for their professionalism and responsiveness, they maintain a 100% on-time project delivery rate. With positive feedback from all clients, over 85% commend their seamless communication and strategic project management, making them a reliable partner for web application development.
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$10,000+$50 - $99 / hr50 - 249Podgorica, Montenegro
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See all 9 projectsBild Studio is a web development company specializing in custom website development, web design, and full-stack web development. The company consistently receives positive feedback, with reviews highlighting their impressive project management and reliability. Approximately 100% of reviewers commend their ability to deliver complex projects efficiently, with one noting significant improvements in KPIs for e-sales and e-services.
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$5,000+< $25 / hr250 - 999Dhaka, Bangladesh
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See all 1 projectsLeadSoft Bangladesh Limited is an IT application development company specializing in blockchain solutions, as evidenced by their successful development and installation of a blockchain wallet. The company is praised for its professional communication and cost-effective services, achieving project goals on time and within budget. Positive feedback is unanimous, with 100% of reviewers highlighting their professionalism and value.
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$5,000+< $25 / hr50 - 249Kolkata, India
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See all 27 projectsWebGuru Infosystems Pvt. Ltd. is a web development company recognized for its expertise in website development and design. With over 95% positive feedback, clients commend their professionalism, creativity, and timely delivery. A significant 70% of reviewers highlight the company's effective communication and customer service, emphasizing their ability to transform visions into reality with precision and attention to detail.
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$1,000+< $25 / hr50 - 249Ahmedabad, India
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See all 3 projectsVerve Systems Pvt. Ltd. is a web development company specializing in Website Development and Web Application Development. The company consistently delivers high-quality projects, with 100% of reviewers expressing satisfaction with the final product and praising their responsiveness and efficiency. Clients highlight their timely communication and effective project management, making them a reliable partner for Online Development needs.
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$5,000+$50 - $99 / hr10 - 49Portland, ME
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See all 23 projectsAras Digital Products is a distinguished web development company that excels in Website Development, Web Design, and Web Application Development. With a perfect record of positive feedback from clients, they are acclaimed for their professionalism, excellent project management, and commitment to delivering high-quality digital solutions. Notably, 100% of reviewers highlight their effective communication and dedication to client needs, underscoring their reliability and collaborative spirit.
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$25,000+$50 - $99 / hr10 - 49L'viv, Ukraine
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See all 9 projectsLeanyLabs is a full-stack web development company, renowned for its professional online development services. They have garnered overwhelmingly positive reviews, with clients praising their quick problem-solving skills, responsiveness, and impressive attention to detail. Approximately 90% of feedback highlights their effective project management and ability to deliver quality web applications on time and within budget.
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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 -
$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 -
$10,000+< $25 / hr250 - 999Kolkata, India
Ability to deliver
36.3/40.019/20 Reviews9/10 Clients & Experience8.4/10 Market PresenceService focus
35% Web Development30% JavaScript65% Other -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
65% Web Development20% JavaScript35% Other -
$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.