Top JavaScript Developers
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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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$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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$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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$5,000+$25 - $49 / hr50 - 249
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See all 7 projectsOrbixCode is a comprehensive web development company specializing in Web Development, Web Design, and Web Application Development. Clients highlight their effective communication, timely delivery, and budget-friendly services, with 100% positive feedback across reviews. They excel in both e-commerce and custom web solutions, ensuring client satisfaction through their responsive and innovative approach.
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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 - 49Kraków, Poland
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See all 6 projectsAlergeek Ventures is a Web Development company specializing in full-stack development, AI integration, and scalable cloud solutions. With 100% positive feedback, clients praise their seamless team integration, adaptability, and efficient project delivery. They are noted for providing high-quality, strategic AI and programming solutions, ensuring both rapid implementation and long-term support.
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$5,000+$25 - $49 / hr10 - 49Avaré, Brazil
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See all 8 projectsVistapub is a web development company specializing in full-stack web development, delivering high-quality custom website development and web application solutions. Reviews indicate a 100% positive feedback rate, emphasizing their effective project management, flexibility, and commitment to client satisfaction. Clients particularly appreciate their adaptability and the high level of communication throughout projects.
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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+$25 - $49 / hr50 - 249Bikaner, India
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See all 1 projectsiWebwiser is a software and app development company known for building comprehensive end-to-end solutions. They consistently deliver projects ahead of schedule, with 100% of clients appreciating their adaptability and understanding of project briefs. Clients highlight the company's high ratings, budget-friendly pricing, and excellent value for cost.
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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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$1,000+$50 - $99 / hr10 - 49Marienheide, Germany
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See all 6 projects6 Weeks Marketing is a website development company that excels in creating custom, functional, and responsive web solutions. With a 100% positive feedback rate, clients praise their high-level communication, project management, and technical expertise. Approximately 67% of reviewers highlight their ability to combine design with functionality, making them a top choice for businesses seeking comprehensive web development services.
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$5,000+< $25 / hr50 - 249Kolkata, India
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See all 41 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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$10,000+$50 - $99 / hr10 - 49Budapest, Hungary
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See all 16 projectsLexunit is a versatile web development company offering services such as full-stack web development, front-end development, and custom website development. With 100% positive feedback, clients commend their responsiveness, professional project management, and ability to stay within budget. Notably, 80% of reviews highlight their effective communication and customer-focused approach.
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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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$5,000+$25 - $49 / hr10 - 49Kraków, Poland
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See all 12 projectsGeeknauts is a versatile web development company known for its adeptness in Full-Stack Web Development and Custom Website Development services. Client feedback is overwhelmingly positive, with 100% of reviewers praising their project management and adaptability. Clients commend Geeknauts for their technical capabilities, attention to detail, and proactive engagement in product improvement, making them a preferred choice for Online Development projects.
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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+$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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$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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$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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$5,000+$50 - $99 / hr10 - 49
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See all 8 projectsSTR8MINDS is a versatile web development company specializing in Web Application Development and Full-Stack Web Development. The overall feedback is overwhelmingly positive, with 100% of reviewers highlighting their technical expertise, proactive approach, and effective project management. Approximately 80% of clients emphasize their ability to deliver projects on time and within budget while maintaining clear communication.
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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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$10,000+$25 - $49 / hr50 - 249Zaporizhzhia, Ukraine
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See all 5 projectsPixelTeh is a web development company specializing in custom website development, full-stack web development, and web application development. The company receives overwhelmingly positive reviews, with 100% of clients highlighting their effective communication, timely delivery, and strong technical expertise. Clients particularly commend PixelTeh's ability to manage projects efficiently and provide valuable insights beyond mere execution.
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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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$10,000+$100 - $149 / hr10 - 49Bonita, CA
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See all 22 projectsEatcaviar is a web development company specializing in web design, custom website development, and online development. With a 100% positive feedback rate, clients highlight their exceptional project management, creativity, responsiveness, and ability to deliver high-quality, modern websites that enhance user experience and lead generation. Their work consistently meets or exceeds expectations with impressive results, such as improved conversion rates and significant brand presence enhancement.
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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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$10,000+$50 - $99 / hr10 - 49Yerevan, Armenia
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See all 10 projectsAOD.space is a web development company that specializes in Full-Stack Web Development, Website Development, and Custom Website Development. Across their reviews, 100% of clients express satisfaction with their project management, noting their effective communication and innovative solutions. Clients consistently praise their ability to deliver creative and technically proficient outcomes, with a focus on collaborative teamwork and adherence to deadlines.
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$5,000+$150 - $199 / hr10 - 49Klagenfurt am Wörthersee, Austria
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See all 4 projectsdMorpheus is a web development company specializing in custom website development and full-stack web development. The reviews highlight their technical expertise, with successful completion of projects involving dynamic content and region-specific web solutions. While 100% of reviewers praised their ability to meet deadlines and deliver on technical requirements, some noted the need for clearer scope definitions to manage project budgets effectively.
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$10,000+$25 - $49 / hr50 - 249Palo Alto, CA
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See all 25 projectsKoderspedia Solutions is a comprehensive web development and design company known for delivering custom website development and mobile app solutions. The company receives overwhelmingly positive feedback, with 100% of reviewers highlighting their responsiveness, professionalism, and ability to tailor solutions to specific business needs. Clients frequently commend their project management skills and commitment to delivering high-quality, user-friendly designs while adhering to timelines and budgets.
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$1,000+$100 - $149 / hr10 - 49Stockholm, Sweden
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See all 5 projectsSphinxly is a web development company specializing in custom website development and web design, known for their responsive and proactive project management. With a 100% positive feedback rate, clients commend their ability to align closely with project goals and deliver appealing websites that stand out in competitive markets. Notable for their effective communication and adaptability, they ensure client satisfaction while fostering ongoing collaboration.
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$10,000+$25 - $49 / hr10 - 49Toronto, Canada
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See all 19 projectsCML Team LTD is a versatile technology company specializing in full-stack web development, web application development, and custom software solutions. They consistently receive positive feedback, with over 80% of reviews highlighting their technical expertise, clear communication, and effective project management. Clients appreciate their ability to deliver high-quality, innovative solutions while maintaining a strong commitment to client success.
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$5,000+$25 - $49 / hr50 - 249Noida, India
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See all 1 projectsTecOrb Technologies Pvt. Ltd. is a full-stack web development company offering services from UX/UI design to front-end and back-end development. Client reviews highlight their exceptional project management, responsiveness, and quality of work, with 100% positive feedback emphasizing attention to detail and commitment to delivering a successful product.
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$25,000+$100 - $149 / hr2 - 9Seattle, WA
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See all 21 projectsBlack Antelope is a digital design and development agency specializing in Website Development, Web Design, and Custom Website Development. Their clients commend their excellent project management and communication skills, with a consistent 100% positive feedback on timely delivery and responsiveness. Notably, 90% of reviewers highlight their ability to understand and implement client visions, while 70% appreciate their budget-friendly pricing and value for cost.
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Undisclosed$25 - $49 / hr50 - 249L'viv, Ukraine
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See all 10 projectsProffiz is a web development company specializing in custom web application development and full-stack web development. Their reviews highlight a 100% positive feedback rate, with clients praising their high-quality work, dedication, and effective communication. Notably, 50% of reviewers commend their impressive project involvement, treating initiatives as if they are part of the client's internal team.
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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+$25 - $49 / hr2 - 9
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See all 3 projectsFalcn Lab is a web development company specializing in custom website development and full-stack web development. With a strong focus on communication and responsiveness, 90% of reviewers praise their ability to handle complex projects effectively. While there are occasional challenges with project timelines, Falcn Lab consistently goes above and beyond to deliver high-quality work and maintain customer satisfaction.
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$50,000+$50 - $99 / hr10 - 49Cluj-Napoca, Romania
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See all 4 projectsCodexWorks Technologies is a web development company specializing in enhancing and revitalizing complex web-based systems such as ERP and CRM platforms. With a 100% success rate against development roadmap goals over 14 months, clients praise their proactive approach, exceptional project management, and ability to translate client visions into functional solutions effectively. CodexWorks is consistently recognized for delivering additional value beyond initial expectations.
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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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$10,000+< $25 / hr2 - 9Navi Mumbai, India
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See all 9 projectsTarkashilpa Technologies is a web development company that provides comprehensive services, including Custom Website Development and Front-End Development, as evidenced by their work on NDC platforms and test automation frameworks. With a strong focus on understanding client requirements and timely, high-quality delivery, all reviews reflect positive feedback, highlighting their agility and dedication to client success.
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List of the Top 15 JavaScript Development Companies
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$25,000+$50 - $99 / hr50 - 249Kraków, Poland
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$75,000+$100 - $149 / hr50 - 249Vancouver, Canada
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
90% Web Development50% JavaScript10% Other -
$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.5/40.019.6/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
45% Web Development75% JavaScript55% Other -
$10,000+< $25 / hr250 - 999Thiruvananthapuram, India
Ability to deliver
38.5/40.019.2/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
50% Web Development50% JavaScript50% 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
38.7/40.019.4/20 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+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
36.5/40.017.6/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$25,000+$25 - $49 / hr50 - 249Newark, DE
Ability to deliver
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 -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
37.6/40.018.6/20 Reviews10/10 Clients & Experience9/10 Market PresenceService focus
40% Web Development50% JavaScript60% 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 -
$50,000+$100 - $149 / hr1,000 - 9,999San Francisco, CA
Ability to deliver
38.7/40.018.8/20 Reviews9.9/10 Clients & Experience10/10 Market PresenceService focus
15% Web Development25% JavaScript85% 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 -
$10,000+$25 - $49 / hr1,000 - 9,999Plano, TX
Ability to deliver
36.9/40.017.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$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 -
$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 -
$10,000+$50 - $99 / hr10 - 49Warszawa, Poland
Ability to deliver
37.3/40.018.2/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
50% Web Development70% JavaScript50% Other -
$25,000+$100 - $149 / hr50 - 249Cypress, CA
Ability to deliver
36.4/40.018.2/20 Reviews10/10 Clients & Experience8.2/10 Market PresenceService focus
100% Web Development40% JavaScript -
$50,000+$50 - $99 / hr1,000 - 9,999L'viv, Ukraine
Ability to deliver
38/40.018.2/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
21% Web Development18% JavaScript79% Other -
$10,000+$50 - $99 / hr10 - 49Montevideo, Uruguay
Ability to deliver
38.3/40.019.4/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
40% Web Development50% JavaScript60% 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
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.