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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UndisclosedUndisclosed10 - 49Fort Myers, FL
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Digital Marketing Concepts is a small social media marketing firm. They specialize in Social Media Marketing and Content Marketing and were established in 2015.
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UndisclosedUndisclosed10 - 49Toronto, Canada
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Creative Faze Inc is a web design company located in Toronto, Canada. The team provides Web Design and Graphic Design.
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UndisclosedUndisclosed10 - 49Surat, India
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EFSOULS is a small web design agency. They provide Web Design and Custom Software Development and were launched in 2012.
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UndisclosedUndisclosed10 - 49Tucson, AZ
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Founded in 1996, Ephibian, Inc. Is an UX agency. The company specializes in UX/UI Design and IT managed services, and is small.
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UndisclosedUndisclosed10 - 49San Francisco, CA
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729 Solutions is a branding company. Based in San Francisco, California, the firm was established in 2003. Their services include Branding and IT managed services.
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$5,000+< $25 / hr50 - 249
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See all 30 projectsAuxesis Infotech Pvt. Ltd. is a distinguished company specializing in web design, custom website development, and full-stack web development services. The feedback from clients is predominantly positive, with approximately 90% appreciating their professionalism, project management, and adherence to standards. Several reviewers commend their expertise in WordPress, Drupal, and eCommerce development, although one client reported communication issues in a complex eCommerce project.
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$1,000+$25 - $49 / hr50 - 249Knoxville, TN
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In Knoxville, Tennessee and Kyiv, Ukraine, Outsoft is a software development firm. The team focuses on Custom Software Development and AR/VR development.
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UndisclosedUndisclosedFreelancerCharlottetown, Canada
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In Charlottetown, Canada, CodeYoddha IT Consulting is a small software development company. Their services include Custom Software Development and Artificial Intelligence.
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UndisclosedUndisclosedFreelancerStillwater, MN
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PXL Technologies LLC, a SEO company, was established in 2009. They offers Search Engine Optimization and Web Design.
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UndisclosedUndisclosedFreelancer
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UX design agency Turnwall Design was established in 2007. The firm provides UX/UI Design and Graphic Design.
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UndisclosedUndisclosedFreelancer
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Luca Moreno is a website development company. They are located in Rome, Italy and have small team. Their services include Web Development and Graphic Design.
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UndisclosedUndisclosedFreelancer
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WebDesignerPlano is a web design agency. Their small team is headquartered in Allen, Texas. Their services include Web Design and Web Development.
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UndisclosedUndisclosedFreelancerIași, Romania
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Web Design IASI is an e-commerce development firm. The small Iași, Romania-based team provides E-Commerce Development and Search Engine Optimization. The firm was founded in 2011.
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UndisclosedUndisclosedFreelancerPort Chester, NY
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Codeaustic is a small Port Chester, New York-based web design company. The team specializes in Web Design and Web Development.
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UndisclosedUndisclosedFreelancer
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In Mijas, Spain, Bas Buur Development is a small CRM consulting and SI company. Their services include CRM consulting and SI and Web Development.
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UndisclosedUndisclosed50 - 249Dublin, OH
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Techno Facts Solutions Pvt Ltd is a software development firm based in Dublin, Ohio and Hyderabad, India. They focus on Custom Software Development and Staffing.
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UndisclosedUndisclosed50 - 249Newton, MA
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Logic Way Inc. Is a custom software development firm. Founded in 2004, the team offers Custom Software Development and UX/UI Design. The firm is headquartered in Newton, Massachusetts.
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UndisclosedUndisclosed50 - 249Newton, MA
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REDLINE IT, INC. Is an app development company. Based in Newton, Massachusetts, the company focuses on Mobile App Development and E-Commerce Development.
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UndisclosedUndisclosedFreelancerPhoenix, AZ
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Established in 2016, DevOps Global Solutions, LLC is a small DevOps Managed Services company. Their team focuses on DevOps Managed Services and Digital Strategy.
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UndisclosedUndisclosedFreelancerPhoenix, AZ
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ZoneRise is a cloud consulting & SI company. The team is located in Phoenix, Arizona, and their services include cloud consulting & SI and Web Development.
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UndisclosedUndisclosedFreelancerCity of London, England
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Amato Capital Limited is a custom software development firm based in City of London, England. They offer Custom Software Development and Web Development.
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UndisclosedUndisclosed50 - 249Rochester, NY
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Data Brilliance Software is a social media marketing agency. The firm is headquartered in Rochester, New York. Their services include Social Media Marketing and Search Engine Optimization.
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UndisclosedUndisclosedFreelancer
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Daniel Sarkwa is a web design company headquartered in Turku, Finland. Their services include Web Design and UX/UI Design.
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UndisclosedUndisclosedFreelancerTrani, Italy
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Small user experience design agency Gianluca Rinaldi, is located in Trani, Italy. Their services include UX/UI Design and Web Design.
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UndisclosedUndisclosedFreelancerLondon, England
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TangerineSEO is a SEO services firm. Their small team of employees is located in London, England. Their team focuses on Search Engine Optimization and Content Marketing.
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$5,000+$50 - $99 / hr50 - 249London, England
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See all 1 projectsAeliusventures offers Web Development, Web Design, and Online Development services, focusing on enhancing website functionality, aesthetics, and user experience. Feedback highlights their exceptional project management, timely delivery, technical expertise, and creative approach, leading to significant improvements in performance, user engagement, and customer satisfaction. Clients commend their responsiveness, attention to detail, and alignment with company values.
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UndisclosedUndisclosed2 - 9Salmiya, Kuwait
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DATA (Dar Al Tasmeem Advertising and Publicity Co.) is a Hawally, Kuwait-based Content Marketing company. They specialize in Content Marketing and Search Engine Optimization.
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$10,000+$50 - $99 / hr10 - 49New Barnet, England
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See all 3 projectsWorkSpin Ltd. is a web development company specializing in Website Development and Web Design. With a 100% positive feedback rate, clients praise their alignment with company values, artistic vision, and ease of collaboration. While they deliver high-quality projects, minor improvements in pre-launch testing could enhance their service delivery.
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UndisclosedUndisclosedFreelancerRio de Janeiro, Brazil
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Jorge Mauricio - Programador Visual is a web design company. Their small team is located in Rio de Janeiro, Brazil. Their team provides Web Design and Web Development.
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UndisclosedUndisclosedFreelancerRockville, MD
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CDF Web Solutions, a web development firm, was established in 2005. The team specializes in Web Development and Mobile App Development.
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UndisclosedUndisclosedFreelancerDouglasville, GA
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Alexander Online Media Inc. Is a web design company. They are headquartered in Douglasville, Georgia. Their team focuses on Web Design and Search Engine Optimization.
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$1,000+< $25 / hr50 - 249Jaipur, India
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See all 9 projectsRG Infotech is a web development company specializing in full-stack web development and mobile app solutions, particularly for the fantasy sports industry. Feedback from clients reflects a 100% positive sentiment, highlighting their exceptional project management skills, commitment to quality, and ability to deliver projects on time. Reviewers frequently commend their post-launch support and user-friendly designs.
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$5,000+$25 - $49 / hr10 - 49Jaipur, India
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See all 3 projectsi7 Infomedia LLP is a proficient web development company offering services in website development and mobile app development, complemented by strong digital marketing capabilities. With 100% positive feedback highlighting timely delivery, professional communication, and technical expertise, clients consistently express satisfaction with their project management and cultural fit, recommending expansion to broader geographies.
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$10,000+$50 - $99 / hr2 - 9Kyiv, Ukraine
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See all 6 projectsA-Dev is a web development company specializing in front-end and back-end development, custom website development, and web application development. With 100% positive feedback, clients praise their quality-focused approach and efficient project management. They demonstrate expertise in CI/CD processes and have significantly improved client outcomes, such as increasing attendance by 200% for one client.
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$10,000+$25 - $49 / hr2 - 9Hyderabad, India
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See all 2 projects18Solutions is a web development company specializing in web application development, including both front-end and back-end solutions. The company has received overwhelmingly positive feedback, with 100% of reviewers highlighting their professional project management and robust system performance. Clients appreciate their ability to quickly grasp business requirements and deliver effective custom website development solutions.
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$5,000+< $25 / hr2 - 9Hubballi, India
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See all 1 projectsfalahbits is a company specializing in social media marketing and website hosting, providing effective strategies and content management. Review feedback is overwhelmingly positive, with 100% of reviewers praising their project management and content quality. Clients highlight their responsiveness and ability to adapt quickly to changing project scopes.
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$5,000+$100 - $149 / hr2 - 9Alexandria, VA
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Done Collective is a web design company. Founded in 2010, the agency is in Alexandria, Virginia. Their team provides Web Design and Graphic Design.
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$5,000+$100 - $149 / hr2 - 9Chula Vista, CA
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IMG Networks, a small IT managed services company, is headquartered in Chula Vista, California. The team provides IT managed services and unified communications consulting & SI.
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$1,000+< $25 / hr2 - 9Lahore, Pakistan
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WebHike Solutions Pvt Ltd. Is a Direct Marketing company. Founded in 2016, the team specializes in Direct Marketing and Web Design. The agency is based in Lahore, Pakistan.
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UndisclosedUndisclosed2 - 9Burswood, Australia
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White Chalk Road, a Content Marketing company, was founded in 1999. The company offers Content Marketing and Digital Strategy.
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UndisclosedUndisclosed2 - 9Eugene, OR
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Asterix Creative LLC is a graphic design agency. Their team is headquartered in Eugene, Oregon and focuses on Graphic Design and Print Design.
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UndisclosedUndisclosed2 - 9Lakewood, CA
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Branding agency Senarysoft was established in 2012. The company specializes in Branding and Web Design.
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UndisclosedUndisclosed2 - 9Torino, Italy
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Neosidea, a custom software development firm, is located in Torino, Italy. Their services include Custom Software Development and Mobile App Development.
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UndisclosedUndisclosed2 - 9Seminole, FL
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SEO company Textus Marketing is in Seminole, Florida. Their services include Search Engine Optimization and Social Media Marketing.
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UndisclosedUndisclosed2 - 9Temecula, CA
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Wolfe Interactive, Inc., a social media marketing company, focuses on Social Media Marketing and Content Marketing. The agency is based in Temecula, California.
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UndisclosedUndisclosed2 - 9Ciudad de México, Mexico
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Established in 2009, Mint Live & Digital Marketing is a Content Marketing company. The team offers Content Marketing and Social Media Marketing and is located in Ciudad de México, Mexico.
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UndisclosedUndisclosed2 - 9Bogotá, Colombia
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Small Digital Strategy company seroni.co, is located in Bogotá, Colombia. Their services include Digital Strategy and Mobile App Development.
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UndisclosedUndisclosed2 - 9Kyiv, Ukraine
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Vitasoft Ukraine is a custom software development firm launched in 2017. The small team focuses on Custom Software Development and AR/VR development.
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UndisclosedUndisclosed2 - 9Ciudad de Guatemala, Guatemala
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ERP consulting and SI company 3W Desarrollo Web was launched in 2005. The team specializes in ERP consulting and SI and IT managed services and is in Ciudad de Guatemala, Guatemala.
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UndisclosedUndisclosed2 - 9Houston, TX
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Innovant Public Relations is a branding company headquartered in Houston, Texas. They specialize in Branding and Public Relations.
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Get My MatchesWhy Trust Clutch
At Clutch, we believe trust is the foundation of every business relationship. Our mission is to help buyers make confident, data-backed decisions informed by real client experiences.
Every review on Clutch undergoes a rigorous, human-led verification process to make sure it’s valid. Our team of specialists confirms the identity of each reviewer, ensures the project is legitimate, and only publishes reviews that meet our strict criteria.
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We evaluate service providers using a structured methodology that combines:
- In-depth client interviews and ratings
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- Market presence
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This data powers tools like the Leaders Matrix, which helps you compare agencies directly. Our research team curates rankings by weighing verified reviews most heavily, so the most trusted and experienced providers rise to the top.
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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
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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.