Top JavaScript Developers
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$25,000+$150 - $199 / hr10 - 49Marlborough, MA
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See all 44 projects3 Media Web is a full-service web development company specializing in custom website development and web design services. The feedback from their reviews is overwhelmingly positive, with no substantial areas for improvement noted by clients. Reviewers consistently commend their exceptional communication, timely project delivery, and ability to respond quickly to client needs. Additionally, several reviews highlight their impressive project management skills and strategic approach, with a significant emphasis placed on their ability to over-deliver on client expectations.
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$100,000+$50 - $99 / hr250 - 999Cluj-Napoca, Romania
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See all 33 projectsRebelDot is a web development company specializing in custom web application development, full-stack web development, and front-end development. Across several client reviews, 100% reflect positively on RebelDot’s expertise and project management, highlighting their timely delivery, high-quality work, and effective communication. Clients praise the company's passionate and skilled developers, with approximately 80% of reviewers impressed by their commitment and ability to understand complex project needs.
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$1,000+$50 - $99 / hr10 - 49Kraków, Poland
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See all 41 projectsBrave New is a distinguished web development company specializing in Website Development, Web Design, and Custom Website Development. Across various reviews, 100% of clients expressed satisfaction with their flexibility, timely delivery, and communication. Approximately 80% highlighted their adept project management and innovative solutions, while 70% praised their ability to enhance user experience and improve brand visibility through robust online development and SEO strategies.
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$1,000+$25 - $49 / hr50 - 249Sahibzada Ajit Singh Nagar, India
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See all 122 projectsWebSpero Solutions is a web development company offering services such as complex website programming, front-end and back-end development, and SEO optimization. The reviews indicate a high level of satisfaction, with 100% of clients highlighting their professionalism, timely delivery, and effective communication. Notably, WebSpero Solutions is lauded for its ability to provide cost-effective solutions tailored to diverse business needs.
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$50,000+$50 - $99 / hr50 - 249Montevideo, Uruguay
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See all 25 projectsNeocoast is a web development company specializing in custom website, web application, and full-stack web development services. They consistently receive positive feedback, with approximately 85% of users praising their application for ease of use, and clients frequently commend their project management and responsiveness. While a few reviews suggest the need for clearer communication on feature trade-offs, the firm's adaptability and high-quality service are broadly acknowledged.
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$1,000+< $25 / hr50 - 249Kolkata, India
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See all 46 projectsMatrix Media Solutions (P) Ltd. is a full-service Web Development company offering a wide range of services, including Custom Website Development, Web Application Development, and SEO. With 90% of reviews praising their professionalism, responsive communication, and ability to tailor solutions to client needs, they are consistently recognized for their attention to detail and project management skills. However, 10% of feedback highlights potential areas for improvement in communication and project structuring.
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$25,000+$150 - $199 / hr10 - 49Woodstock, GA
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See all 16 projectsBlack Airplane is a full-stack web development company specializing in custom website development and web application development. The reviews indicate a 100% positive feedback rate, highlighting their expertise, timely delivery, and effective project management. Clients appreciate their personalized approach and technical proficiency, with over 80% mentioning their ability to understand complex project requirements.
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$10,000+$25 - $49 / hr1,000 - 9,999Southborough, MA
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See all 57 projectsTrigent Software - AI Development is recognized for its extensive expertise in Website Development, custom development, and SharePoint implementation. With 100% positive feedback, clients praise their professionalism, effective project management, and the ability to work flexibly with established business practices. Their commitment to delivering professional results efficiently is consistently highlighted across reviews, making them a reliable partner for diverse online development needs.
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$10,000+$100 - $149 / hr10 - 49Sacramento, CA
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See all 42 projectsThree29 is a full-service web development company specializing in custom website development, web design, and online development. Reviews highlight their strong project management skills, timely delivery, and exceptional communication. The team consistently receives positive feedback for their expertise and ability to deliver impressive, user-friendly websites, with over 90% of reviewers praising their professionalism and quality of work.
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$10,000+$25 - $49 / hr50 - 249Dubai, United Arab Emirates
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See all 28 projectsPhaedra Solutions is a comprehensive Web Development company specializing in Custom Website Development and Full-Stack Web Development. With consistently positive feedback, 100% of reviewers commend their robust project management and cohesive communication. Clients appreciate their ability to deliver projects on time and within budget, with 85% expressing satisfaction with their responsiveness and proactive approach to improvements.
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$25,000+$50 - $99 / hr50 - 249Montevideo, Uruguay
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See all 13 projectsWyeWorks, a Full-Stack Web Development company, excels in Custom Website Development and Web Application Development, as reflected in their consistent positive reviews. Clients commend their high efficiency, quality code, and ability to integrate seamlessly with teams. Over 90% of reviews highlight their strong technical expertise and cultural fit, with no significant areas for improvement noted.
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$25,000+$150 - $199 / hr10 - 49Westborough, MA
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See all 24 projectsWakefly, Inc. is a web development company that excels in website development, web design, and online development services, with significant expertise in managing CMS platforms like Kentico and WordPress. The reviews indicate high client satisfaction, with 100% of feedback highlighting Wakefly's reliability, responsiveness, and project management skills. Many clients appreciate their expertise in both front-end and back-end development, with a focus on creating custom website solutions tailored to specific business needs.
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$10,000+$50 - $99 / hr10 - 49Culver City, CA
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See all 26 projectsTodor3D is a versatile web development company excelling in custom website development and web application development, particularly in 3D customization and AR/VR technologies. With a 100% positive feedback rate, clients consistently commend their fast delivery, clear communication, and technical expertise. Approximately 70% of reviews highlight their exceptional project management and responsiveness.
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$10,000+$25 - $49 / hr50 - 249Dubai, United Arab Emirates
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See all 100 projectsHalo Lab is a full-service web development company specializing in custom website development, web design, and front-end and back-end development. The company is highly praised for its professional, organized, and efficient service delivery, with 100% of reviewers noting timely project management and exceptional communication. Many clients highlight their ability to effectively meet complex needs and deliver aesthetically pleasing and functional web solutions.
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$10,000+$50 - $99 / hr50 - 249Rīga, Latvia
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See all 35 projectsSnotor is a versatile web development company specializing in website development, web application development, and custom website development, offering comprehensive solutions for various industries. Reviews highlight their responsiveness, technical expertise, and ability to deliver projects on time, with approximately 80% of reviewers praising their effective communication and project management skills. Clients consistently appreciate Snotor's collaborative approach and value for cost.
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$25,000+$50 - $99 / hr10 - 49Budapest, Hungary
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See all 16 projectsMindtech Apps is a versatile web development company specializing in full-stack web development, custom website development, and web application development. The company is praised for its technical expertise, seamless integration into client teams, and responsive project management. With over 90% positive feedback, reviewers consistently highlight their professionalism and the ability to deliver robust solutions on time, enhancing usability and efficiency across projects.
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$10,000+$50 - $99 / hr50 - 249Aventura, FL
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See all 26 projectsKubikware is a web development company specializing in custom website development and full-stack web development services. Their reviews highlight a consistent delivery of high-quality work, with 100% of reviewers praising their technical expertise, project management, and ability to meet deadlines. Approximately 20% of feedback mentions their slightly higher rates, justified by the superior quality of their candidates.
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$10,000+$100 - $149 / hr10 - 49San Diego, CA
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See all 13 projectsLightspace is a comprehensive Website Development company specializing in Web Design, Web Programming, and Full-Stack Web Development. Reviewers consistently praise their attention to detail, technical expertise, responsiveness, and commitment to client satisfaction, with 100% of clients expressing satisfaction and no areas for improvement cited. Their exceptional project management and ability to deliver on time further highlight their professionalism and reliability.
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$50,000+$25 - $49 / hr50 - 249Toronto, Canada
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See all 37 projectsEuristiq is a comprehensive web development company specializing in custom website development and full-stack web development services. Across multiple reviews, they are praised for their technical expertise, project management skills, and proactive communication. Approximately 88% of reviewers commend their ability to deliver high-quality, user-friendly, and scalable solutions, while minor areas for improvement are noted in documentation. Their dedication to understanding client needs and delivering on time with excellent value makes them a preferred partner for complex web application projects.
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$10,000+$50 - $99 / hr10 - 49Batroun, Lebanon
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See all 86 projectsCOMPU-VISION S.A.R.L. is a web development company specializing in end-to-end Website Development, Web Design, and Full-Stack Web Development services. They consistently receive praise for their professionalism, responsiveness, and commitment, with approximately 90% of reviewers highlighting their strong customer service and technical expertise. While most clients are impressed by their ability to meet complex project requirements, a few suggest improvements in testing and quality assurance processes.
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$5,000+$25 - $49 / hr10 - 49Dubai, United Arab Emirates
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See all 9 projectsRW Infotech Private Limited is a web development company specializing in custom website development, web application development, and full-stack web development services. Across their reviews, they received overwhelmingly positive feedback, with clients noting their professionalism, strong project management, and impressive technical expertise. Approximately 90% of reviewers praised their ability to deliver on time and provide strategic recommendations, highlighting their dedication to client success and high-quality results.
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$10,000+Undisclosed2 - 9Canonsburg, PA
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See all 17 projectsANTLR Interactive is a full-stack web development company recognized for delivering custom solutions in web and software design, development, and programming. With a 100% positive feedback rate, clients commend their high-quality coding, impressive UI/UX design, and responsive project management. Notably, 67% of reviewers highlight their creativity and technical expertise, while all reviewers recommend their services enthusiastically.
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$25,000+$50 - $99 / hr50 - 249Warszawa, Poland
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See all 38 projectsTeaCode is a proficient web development company offering comprehensive services in custom website development, web application development, and full-stack web development. With over 90% of their reviews highlighting their professionalism, timely delivery, and strong communication skills, TeaCode demonstrates an outstanding commitment to client success and project management excellence. Their expertise in JavaScript and web programming is frequently praised, with more than 80% of reviewers commending their technical proficiency and reliability.
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$10,000+$100 - $149 / hr250 - 999Tampa, FL
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See all 13 projectsMiles IT is a comprehensive web development company specializing in custom website development, web application development, and full-stack web development services. The company consistently receives positive feedback, with clients praising their effective communication and long-term project support. Approximately 75% of reviews highlight their ability to tailor solutions to specific client needs, showcasing their adaptability and technical expertise in delivering practical and lasting online development solutions.
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$5,000+$150 - $199 / hr2 - 9Toronto, Canada
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See all 29 projectsDay Shift Digital is a web development company highly praised for its expertise in custom website development and full-stack web development, with a particular focus on web design and WordPress integration. With a 100% positive feedback rate from clients, the firm is commended for its strategic creativity, responsive communication, and effective project management. Clients frequently highlight Day Shift Digital's unique ability to integrate seamlessly with client teams, making them a reliable partner for various web programming needs.
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$10,000+$50 - $99 / hr10 - 49Kraków, Poland
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See all 14 projectsSmultron Web Development, a custom website development company, specializes in full-stack web development, online development, and web application development. According to reviews, 100% of clients praised their project management and timely delivery, while 80% emphasized their flexibility and proactive communication. Clients consistently highlighted Smultron's ability to adapt to evolving project needs and maintain a professional and organized approach.
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$10,000+$50 - $99 / hr50 - 249Houston, TX
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See all 75 projectsCodup is a web development company specializing in web programming, custom website development, and full-stack web development. The reviews highlight their effective communication, timely project delivery, and strong project management. With 100% positive feedback, clients commend Codup's dedication to client satisfaction and technical expertise, particularly in front-end and back-end development tasks.
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$25,000+$50 - $99 / hr50 - 249Warszawa, Poland
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See all 42 projectsOrangesoft is a web development company with a strong emphasis on custom website development, including front-end and back-end development. They have consistently received positive feedback, with approximately 100% of reviews highlighting their responsive project management and client-focused approach. Clients appreciate their flexibility, communication, and ability to deliver projects on time and within budget, often noting their high-quality work and attention to detail.
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$10,000+$50 - $99 / hr50 - 249New Delhi, India
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See all 20 projectsQED42 is a web development company specializing in Drupal and AI integration, offering services such as website development, CMS architecture, and custom web application solutions. With 100% positive feedback across reviews, clients commend their project management, responsiveness, and technical expertise in delivering high-quality, scalable solutions. Notably, 42% of reviewers highlighted their ability to meet deadlines and enhance project efficiency.
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$25,000+$25 - $49 / hr50 - 249Santa Monica, CA
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See all 36 projectsIT-Dimension Inc. is a versatile software development company offering services in custom software solutions, web and mobile app development, and full-stack web development. With 100% positive feedback across their reviews, clients consistently praise their technical expertise, project management, and ability to deliver high-quality, user-centric solutions on time and within budget.
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$5,000+$100 - $149 / hr10 - 49Manor, TX
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See all 28 projectsInventive Works is a full-stack web development company with expertise in custom website development, web application development, and SEO optimization. Client feedback is overwhelmingly positive, with approximately 90% praising their structured project management, effective communication, and ability to adapt to specific client needs like TAMU’s Aggie UX constraints. Reviewers also highlight their proficiency in WordPress and React, noting their proactive solution-finding and commitment to delivering on time and within budget.
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$25,000+$50 - $99 / hr10 - 49Chicago, IL
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See all 39 projectsCalibrate Software is a full-stack web development company specializing in web programming and custom website development. Across their reviews, 100% of clients commend their exceptional project management, timely delivery, and collaborative approach, highlighting their technical expertise and clear communication. Notable aspects include their ability to anticipate potential issues, provide innovative solutions, and maintain a strong focus on client objectives and satisfaction.
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$1,000+$25 - $49 / hr250 - 999
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See all 80 projectsGetDevDone is a full-stack web development company specializing in custom website development and web application development. Their reviews reflect a 100% positive feedback rate, with clients praising their professional communication, adherence to deadlines, and technical expertise. Notably, 100% of reviewers highlighted their responsive project management and willingness to accommodate client needs, contributing to successful project outcomes.
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$10,000+$100 - $149 / hr10 - 49White Rock, Canada
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See all 39 projectsPragmatica is a web development company specializing in web design and full-stack web development services. The company consistently receives positive feedback, with over 80% of reviewers expressing satisfaction with their work, especially noting their professionalism, responsiveness, and ability to align with client values. Clients frequently highlight their capacity to enhance user experiences and improve SEO, resulting in increased engagement and traffic.
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$5,000+$100 - $149 / hr10 - 49Vancouver, Canada
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See all 14 projectsNirvana Canada is a reputable web development company specializing in custom website development, online development, and digital marketing services. Across their reviews, clients consistently praise their professional project management, timely delivery, and responsive communication. Approximately 100% of reviewers express satisfaction with Nirvana Canada's ability to understand specific business needs, enhance SEO, and deliver measurable results such as increased web traffic and lead generation.
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$10,000+$100 - $149 / hr10 - 49Boston, MA
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See all 21 projectsGoingClear® is a professional web development company specializing in custom website design and development, web application development, and online development. With consistently positive feedback, over 95% of clients praise their communication, timely delivery, and the ability to understand and execute client visions. Notably, nearly 90% of reviews highlight their project management and ability to integrate complex web needs seamlessly.
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$10,000+$25 - $49 / hr50 - 249Bielsko-Biała, Poland
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See all 37 projectsSelleo, a full-stack web development company, is highly praised for its expertise in custom web application development, including front-end and back-end solutions. According to reviews, 100% of clients appreciate their commitment to understanding business needs and delivering projects on time. Clients often commend Selleo's communication and post-delivery support, highlighting their ability to integrate seamlessly with in-house teams.
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$1,000+$50 - $99 / hr10 - 49Trinec, Czech Republic
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See all 13 projectsDevx is a web development company specializing in custom website development, web application development, and front-end and back-end development. They consistently receive positive feedback for their technical expertise, reliability, and professional approach, with 100% of reviewers praising their responsiveness and quality of deliverables. Clients value their ability to meet deadlines and their collaborative approach, although some suggest improvements in project management and flexible work hours.
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$5,000+$100 - $149 / hr10 - 49Irvine, CA
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See all 16 projectsMattered is a full-service web development company excelling in custom website development, web programming, and UI/UX design. Their reviews reflect a high satisfaction rate, with all feedback being overwhelmingly positive, emphasizing their expertise, responsiveness, and ability to deliver complex projects on time. Approximately 80% of reviewers highlight Mattered's exceptional communication and project management skills.
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$50,000+$50 - $99 / hr50 - 249Budapest, Hungary
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See all 20 projectsRollout IT is a web development company specializing in full-stack web and custom website development services. The company consistently receives high praise for its technical expertise, project management skills, and effective communication, with 100% of reviews highlighting responsiveness and timely delivery. Clients appreciate Rollout IT's ability to combine deep technical skills with a flexible approach, making them a reliable partner for complex web application development projects.
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$10,000+$25 - $49 / hr10 - 49Kyiv, Ukraine
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See all 33 projectsOlearis is a comprehensive development company specializing in Website Development, Web Design, and Full-Stack Web Development. The company consistently receives high praise for their thoroughness, technical expertise, and excellent communication, with 100% of reviewers highlighting their ability to deliver on time and meet project objectives. Reviewers frequently commend Olearis for their proactive problem-solving and strategic insights, noting their role as a reliable partner in custom web application development.
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$50,000+$100 - $149 / hr10 - 49Irvine, CA
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See all 43 projectsTopflight Apps is a full-stack web and mobile application development company offering comprehensive services including web design, custom website development, and web application development. With 90% of feedback being positive, clients consistently commend their responsive project management and commitment to deadlines. A notable 70% of reviews highlight their effective communication and ability to align with client objectives, while 60% emphasize their expertise in delivering solutions on time and within budget.
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$5,000+$25 - $49 / hr10 - 49Beograd, Serbia
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See all 21 projectsSantos Digital is a web development company specializing in custom website development, web design, and technical SEO. Across various industries, clients commend their punctual delivery, clear communication, and excellent project management. Notably, 100% of reviews highlight their responsiveness and professionalism, with many appreciating their ability to align projects with company values and culture, emphasizing their proficiency in both front-end and back-end development.
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$10,000+$50 - $99 / hr10 - 49București, Romania
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See all 31 projectsUPDIVISION is a full-stack web development company specializing in custom website development, web application development, and UI/UX design. Reviews highlight their consistent delivery on time and ability to manage complex web projects effectively. Approximately 90% of reviewers commend their responsiveness, technical expertise, and ability to integrate seamlessly with client teams, emphasizing their role as a trusted technical partner.
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$25,000+$50 - $99 / hr10 - 49Labin, Croatia
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See all 40 projectsLloyds Digital is a web development company offering a variety of services, including website development, e-commerce platforms, and custom digital solutions. Their reviews reflect a strong emphasis on professionalism, timely delivery, and effective communication, with over 90% of feedback highlighting their commitment to project success and high-quality outcomes. Clients frequently commend their web design, full-stack web development expertise, and collaborative approach.
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$10,000+$100 - $149 / hr50 - 249Alexandria, VA
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See all 37 projectsNew Target, Inc. - The Digital Agency is a specialized web development company offering services such as website design, online development, and digital strategy. Across their reviews, 100% of clients highlighted their exceptional project management, responsiveness, and ability to deliver user-friendly websites. Notably, 75% emphasized their collaborative approach and creative problem-solving in achieving project goals. Their commitment to customer satisfaction and innovative solutions consistently garners high praise.
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$50,000+$150 - $199 / hr10 - 49Allendale Charter Township, MI
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See all 13 projectsBizStream is a prominent web development company specializing in custom website development, web application development, and related services, noted for its expertise in the Kentico platform. Across their reviews, 100% of the feedback highlights their strong project management and timely delivery, with clients praising their transparency, professionalism, and commitment to excellence. Many reviews emphasize BizStream's ability to enhance website performance and improve usability, showcasing their capacity to deliver scalable and innovative web solutions.
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$25,000+$100 - $149 / hr50 - 249San Jose, CA
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See all 31 projectsDiffco AI is a dynamic web development company that specializes in custom website development and full-stack web development, offering tailored solutions for diverse industries. With an impressive 100% positive feedback rate, clients consistently commend Diffco for their professionalism, adaptive project management, and innovative ideas. Their ability to deliver complex projects on time and with high-quality results further highlights their expertise in web programming and application development.
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$10,000+$150 - $199 / hr2 - 9New York, NY
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See all 58 projectsGreyBox Creative is a versatile web development company specializing in website design and branding, known for its efficiency and professionalism. Across the reviews, 100% of clients praise their creative expertise, timely delivery, and responsive communication, while 85% highlight their ability to tailor solutions to unique business needs. Clients appreciate their comprehensive service, from website development to digital marketing, making them a reliable partner for diverse projects.
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$5,000+$50 - $99 / hr10 - 49Los Angeles, CA
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See all 26 projectsGenAI.Labs USA is a web development company renowned for integrating cutting-edge AI technologies with user-focused design, specializing in full-stack and custom website development. Reviewers consistently praise their ability to enhance user engagement through innovative solutions, with a 100% positive feedback rate highlighting their technical expertise and seamless project management.
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List of the Top 15 JavaScript Development Companies
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$75,000+$100 - $149 / hr50 - 249Vancouver, Canada
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
90% Web Development50% JavaScript10% Other -
$25,000+$50 - $99 / hr50 - 249Kraków, Poland
Ability to deliver
38.9/40.019/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
60% Web Development50% JavaScript40% Other -
$25,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39/40.019.2/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
40% Web Development60% JavaScript60% Other -
$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
38.3/40.018.4/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
45% Web Development75% JavaScript55% Other -
$5,000+$25 - $49 / hr50 - 249Warszawa, Poland
Ability to deliver
37.5/40.018.6/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$10,000+$25 - $49 / hr250 - 999Bengaluru, India
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
20% Web Development40% JavaScript80% Other -
$10,000+$50 - $99 / hr50 - 249Montevideo, Uruguay
Ability to deliver
38.9/40.019.4/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
50% Web Development35% JavaScript50% Other -
$25,000+$50 - $99 / hr50 - 249London, England
Ability to deliver
39.5/40.020/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
30% Web Development50% JavaScript70% Other -
$10,000+$50 - $99 / hr50 - 249Amsterdam, Netherlands
Ability to deliver
39.3/40.020/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
30% Web Development70% JavaScript70% Other -
$5,000+$50 - $99 / hr50 - 249Chicago, IL
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
35% Web Development40% JavaScript65% Other -
$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 -
$10,000+< $25 / hr250 - 999Hanoi, Vietnam
Ability to deliver
38.9/40.019.4/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
30% Web Development21% JavaScript70% 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 -
$10,000+$25 - $49 / hr250 - 999New York, NY
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
30% Web Development15% JavaScript70% 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 -
$25,000+$25 - $49 / hr50 - 249Newark, DE
Ability to deliver
38.8/40.018.8/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
40% Web Development35% JavaScript60% Other -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
36.8/40.017.8/20 Reviews10/10 Clients & Experience9/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$10,000+$25 - $49 / hr1,000 - 9,999Plano, TX
Ability to deliver
36.5/40.016.8/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$10,000+$50 - $99 / hr250 - 999Marlborough, MA
Ability to deliver
38.3/40.018.6/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
25% Web Development25% JavaScript75% Other -
$25,000+< $25 / hr250 - 999Ahmedabad, India
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
45% Web Development10% JavaScript55% Other -
$50,000+$150 - $199 / hr250 - 999Irvine, CA
Ability to deliver
36.1/40.016.2/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
30% Web Development30% JavaScript70% Other -
$25,000+$50 - $99 / hr10 - 49Poznań, Poland
Ability to deliver
37.1/40.017.6/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
50% Web Development60% JavaScript50% Other -
$50,000+$150 - $199 / hr50 - 249New York, NY
Ability to deliver
35.5/40.015.8/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$25,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
38.8/40.019/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
20% Web Development50% JavaScript80% Other -
$25,000+$50 - $99 / hr10 - 49Seattle, WA
Ability to deliver
38.1/40.018.8/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
40% Web Development70% JavaScript60% Other -
$5,000+$50 - $99 / hr50 - 249Maribor, Slovenia
Ability to deliver
36.1/40.020/20 Reviews10/10 Clients & Experience6.1/10 Market PresenceService focus
40% Web Development100% JavaScript60% Other -
$50,000+$150 - $199 / hr250 - 999New York, NY
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
20% Web Development20% JavaScript80% Other -
$10,000+$50 - $99 / hr10 - 49Warszawa, Poland
Ability to deliver
36.7/40.017.4/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
50% Web Development70% JavaScript50% Other -
$5,000+$25 - $49 / hr50 - 249Hong Kong, Hong Kong
Ability to deliver
37.8/40.018.4/20 Reviews10/10 Clients & Experience9.4/10 Market PresenceService focus
25% Web Development60% JavaScript75% Other -
$50,000+$100 - $149 / hr1,000 - 9,999San Francisco, CA
Ability to deliver
37.1/40.017.2/20 Reviews9.9/10 Clients & Experience10/10 Market PresenceService focus
15% Web Development25% JavaScript85% 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.