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 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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$25,000+$150 - $199 / hr50 - 249Jeddah, Saudi Arabia
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EDesign is a custom software development firm. Their team is in Jeddah, Saudi Arabia and Riyadh, Saudi Arabia. The agency offers Custom Software Development and E-Commerce Development.
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$1,000+$25 - $49 / hr50 - 249Mandaue City, Philippines
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Graphic design company June Spring Multimedia was established in 2013. In Mandaue City, Philippines and San Jose, California, the team focuses on Graphic Design and Mobile App Development.
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$5,000+$50 - $99 / hr50 - 249
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Launched in 2014, Performante is an app development firm. The agency provides Mobile App Development and Web Development.
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$1,000+Undisclosed50 - 249
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Tree SMS is an Advertising company. Their midsize team of employees is in India. Their team offers Advertising and Custom Software Development.
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$50,000+$50 - $99 / hr50 - 249
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Techery is a mobile app development firm located in Dallas, Texas and Campbell, California. Their services include Mobile App Development and Web Development.
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UndisclosedUndisclosed50 - 249Madhapur, India
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IBridgeTechsoft is an IoT development company. In Madhapur, India, the team provides IoT development and Web Development.
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$1,000+Undisclosed50 - 249Davao City, Philippines
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KKC Outsourcing Corporation, a SEO company, was established in 2018. They offers Search Engine Optimization and Back Office Outsourcing.
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$1,000+$50 - $99 / hr50 - 249Newtown Square, PA
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Logomization is a Logo company. The Newtown Square, Pennsylvania-based company was founded in 2012. Their services include Logo and UX/UI Design.
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$25,000+< $25 / hr50 - 249Bengaluru, India
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Founded in 2015, Unizen Technologies is a midsize software development company. Their team provides Custom Software Development and Web Development.
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$10,000+$25 - $49 / hr50 - 249
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Software development firm Applied Systems Ltd. Is headquartered in Minsk, Belarus. Founded in 1997, the team provides Custom Software Development and Web Development.
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UndisclosedUndisclosedFreelancerGorliz, Spain
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Founded in 2004, Diseño web IMACRESTE is a small Gorliz, Spain-based SEO services firm. Their team offers Search Engine Optimization and Web Design.
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$1,000+< $25 / hr2 - 9
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Web design agency OpTechITServices is based in Thimphu, Bhutan. Launched in 2021, the team offers Web Design and Web Development.
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Undisclosed< $25 / hr2 - 9Sahiwal, Pakistan
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Digi Sense, a branding company, focuses on Branding and Search Engine Optimization. The company is headquartered in Sahiwal, Pakistan.
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$5,000+$25 - $49 / hr2 - 9Brno, Czech Republic
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Devehope Technologies, a custom software development firm, was established in 2023. The small team offers Custom Software Development and Artificial Intelligence.
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$1,000+$100 - $149 / hrFreelancer
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RelayBuilt is a website development firm. The Dayton, Ohio-based company was established in 2020. Their team specializes in Web Development and Web Design.
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$10,000+$50 - $99 / hr2 - 9
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Based in Rotterdam, Netherlands, Antum Digital Agency is a software development company. They offer Custom Software Development and Web Development.
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$50,000+$25 - $49 / hr50 - 249Ho Chi Minh City, Vietnam
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Headquartered in Sandnes, Norway and Ho Chi Minh City, Vietnam, Restaff - House of Norway is a website development firm. They focus on Web Development and Custom Software Development.
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$25,000+$100 - $149 / hr2 - 9Lincoln, England
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Hanabi is an e-commerce development company. Headquartered in Lincoln, England, the agency was established in 2019. Their services include E-Commerce Development and Digital Strategy.
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$1,000+< $25 / hr10 - 49Surat, India
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Based in Surat, India, Logical Loop is a software development firm. Established in 2018, the team focuses on Custom Software Development and E-Commerce Development.
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$5,000+$25 - $49 / hr10 - 49Ahmedabad, India
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Based in Ahmedabad, India, INSYNC is an user experience company. Their services include UX/UI Design and Mobile App Development.
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$5,000+$50 - $99 / hr50 - 249Budapest, Hungary
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See all 1 projectsWe co-innovate with startups and enterprises to deliver custom software and AI solutions, built by senior tech experts and refined through years of hands-on experience with distributed
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$5,000+$25 - $49 / hr10 - 49Jhikli Barol, India
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Gai Technologies Private Limited is a website development company. The agency is based in Jhikli Barol, India and Thimphu, Bhutan. Their team provides Web Development and Mobile App Development.
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UndisclosedUndisclosed10 - 49
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Wisepl is a branding agency. Their team is in India. The firm provides Branding and Custom Software Development.
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$1,000+$25 - $49 / hr2 - 9
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Back Office Outsourcing company eXtremaNET was founded in 2003. The agency offers Back Office Outsourcing and E-Commerce Development.
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$5,000+$100 - $149 / hr2 - 9London, England
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UWP Group is a SEO agency. They specialize in Search Engine Optimization and Pay Per Click and were launched in 2010.
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$1,000+$50 - $99 / hr2 - 9Athina, Greece
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Blissprojects is a branding agency. Their small team is located in Athina, Greece and provides Branding and Advertising. The agency was launched in 2003.
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$5,000+Undisclosed2 - 9Shawfarm Industrial Estate, Scotland
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Web Age, an e-commerce development firm, was founded in 1996. The team offers E-Commerce Development and Web Design and is based in Shawfarm Industrial Estate, Scotland.
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$1,000+< $25 / hr2 - 9
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Creative Spark Solutions is a software development company. Their small team of employees is in Delhi, India. Their team offers Custom Software Development and Web Development.
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$1,000+$25 - $49 / hr2 - 9Warszawa, Poland
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Safi Studio is a software development firm. The team is located in Warszawa, Poland, and their services include Custom Software Development and Web Design.
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$10,000+Undisclosed2 - 9Edinburgh, Scotland
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Based in Edinburgh, Scotland, Starbit Limited is a small user experience agency. The team focuses on UX/UI Design and Web Design.
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$5,000+$100 - $149 / hr2 - 9Lewes, DE
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Fine Line Websites & IT Consulting is a small IT strategy consulting company. Established in 2008, the team specializes in IT strategy consulting and Search Engine Optimization.
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$1,000+$100 - $149 / hr2 - 9Billings, MT
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Rebel River Creative is a web development company. Established in 2016, the company is located in Billings, Montana. Their services include Web Development and Branding.
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Undisclosed$50 - $99 / hr2 - 9Richmond, ME
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Small web design agency Langer Enterprises LLC, is headquartered in Richmond, Maine. Their services include Web Design and Web Development.
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$5,000+$50 - $99 / hr2 - 9Beograd, Serbia
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Foxycom Ltd is an e-commerce development company. They are based in Beograd, Serbia and have small team. They specialize in E-Commerce Development and Web Development.
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$1,000+$25 - $49 / hr2 - 9Ikole, Nigeria
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Asdern, a Blockchain company, was established in 2023. The small team focuses on Blockchain and AI Consulting.
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$1,000+$150 - $199 / hr10 - 49
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Established in 2019, CRO:NYX Digital, a small Digital Strategy company, is headquartered in Sheridan, Wyoming. Their team provides Digital Strategy and CRM consulting and SI.
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$25,000+$25 - $49 / hr10 - 49Noida, India
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Small web design agency Lunar Web Solution Technologies Private Limited, is in Noida, India. Their services include Web Design and UX/UI Design.
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$1,000+$25 - $49 / hr2 - 9
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Established in 2021, Black Dove Studios is an UX design agency. The team offers UX/UI Design and Web Design and is headquartered in Kathmandu, Nepal.
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$25,000+$50 - $99 / hr2 - 9Cheshire, England
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Founded in 2013, Prenex Digital, a small UX design company, is in Cheshire, England. Their team provides UX/UI Design and IT staff augmentation.
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$1,000+$50 - $99 / hr2 - 9Pesaro, Italy
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Brop is an artificial intelligence firm. They were founded in 2026, and their services include Artificial Intelligence and AI Agents.
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$1,000+$25 - $49 / hr2 - 9Karachi, Pakistan
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Technicodes is a small branding firm based in Karachi, Pakistan. Their services include Branding and Search Engine Optimization.
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$250,000+$50 - $99 / hr50 - 249Beograd, Serbia
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Founded in 2013, Factory World Wide is a mobile application development firm. The firm focuses on Mobile App Development and Custom Software Development, and is midsize.
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Undisclosed< $25 / hr2 - 9Cape Town, South Africa
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See all 1 projectsAleph Innovations provides Website Development and IT Support services. Reviewers commend the company's ability to deliver projects promptly while maintaining transparency and excellent customer support. Clients appreciate the team's youthful passion and commitment, resulting in improved brand image and a seamless project experience.
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$50,000+$25 - $49 / hr10 - 49
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Unique Logo Designs is a Logo company launched in 2014. Their team offers Logo and Web Development.
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$10,000+< $25 / hr10 - 49Khoraj, India
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ESURGENT is an e-commerce development firm. Their team is in Khoraj, India. The agency focuses on E-Commerce Development and IT staff augmentation.
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Undisclosed$25 - $49 / hr2 - 9
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BitKnit is a small web design company. They provide Web Design and UX/UI Design and were established in 2024.
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$5,000+< $25 / hr10 - 49Bengaluru, India
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Briskon Technologies Pvt Ltd is a Bengaluru, India-based SEO company. They offer Search Engine Optimization and Custom Software Development.
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$10,000+UndisclosedFreelancer
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Launched in 2019, Require Dev Ltd, a small website development company, is based in England. Their team focuses on Web Development and Web Design.
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$1,000+< $25 / hrFreelancerNairobi, Kenya
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Established in 2018, Nesta Digital is a web design company. Their services include Web Design and Web Development.
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UndisclosedUndisclosed10 - 49Pretoria, South Africa
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IEDM Digital Marketing is a pay per click agency headquartered in Pretoria, South Africa. The team specializes in Pay Per Click and Search Engine Optimization.
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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
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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
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36.9/40.017.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$10,000+$50 - $99 / hr250 - 999Marlborough, MA
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38.7/40.019/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
25% Web Development25% JavaScript75% 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 -
$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.