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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$1,000+$50 - $99 / hr2 - 9Derby, England
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Addmonte is a web design company. The small Derby, England-based team offers Web Design and Web Development. The company was established in 2013.
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$5,000+$50 - $99 / hr2 - 9Nowy Świat, Poland
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Dioma.pl is a web design agency. The company is located in Nowy Świat, Poland. Their team focuses on Web Design and Web Development.
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$1,000+$50 - $99 / hr2 - 9
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App development firm CodeLedge is headquartered in Vaxjo, Sweden and Lahore, Pakistan. Their services include Mobile App Development and Web Development.
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$1,000+$50 - $99 / hr2 - 9Leeds, England
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Website development firm Devign Studios is based in Leeds, England. Their services include Web Development and Branding.
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$1,000+< $25 / hr2 - 9Bengaluru, India
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SEO agency eDigitalFirm was founded in 2016. The team provides Search Engine Optimization and Web Development and is located in Bengaluru, India.
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$1,000+< $25 / hr2 - 9Jetpur, India
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Vedhas Labs is an e-commerce development firm. They specialize in E-Commerce Development and Mobile App Development and were established in 2014. The agency is located in Jetpur, India.
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$5,000+$100 - $149 / hr2 - 9Manhattan, KS
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Founded in 2018, MKS Web Design is a SEO company. Their team offers Search Engine Optimization and Web Design.
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$1,000+$25 - $49 / hr2 - 9Osijek, Croatia
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Future Vision is a website development firm located in Osijek, Croatia. The team provides Web Development and Custom Software Development.
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UndisclosedUndisclosed2 - 9Adelaide, Australia
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Qubisoft is a small software development firm located in Adelaide, Australia. The team specializes in Custom Software Development and E-Commerce Development.
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$5,000+$50 - $99 / hr2 - 9Dallas, TX
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Simplified Technology Solutions, a custom software development company, specializes in Custom Software Development and Mobile App Development. The agency is in Dallas, Texas.
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$1,000+< $25 / hr2 - 9Jamshedpur, India
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Chirag Solutions is a web development firm. Established in 2013, the company is in Jamshedpur, India. Their team focuses on Web Development and E-Commerce Development.
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UndisclosedUndisclosed2 - 9Baildon, England
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Webstacker Web Design is a small web design company. They specialize in Web Design and UX/UI Design and were founded in 2018.
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$1,000+< $25 / hr2 - 9Vadodara, India
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In Vadodara, India, Ascendtis IT Solutions LLP is a mobile application development company. Their services include Mobile App Development and Web Development.
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$1,000+< $25 / hr2 - 9Ahmedabad, India
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Website development firm BriskBrain Technologies specializes in Web Development and Custom Software Development. They are based in Ahmedabad, India.
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$1,000+$300+ / hr2 - 9Tampa, FL
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Gagiteck Inc is a website development firm. The team offers Web Development and IT managed services, and the company is headquartered in Tampa, Florida.
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UndisclosedUndisclosed2 - 9Lagos, Nigeria
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Getsolucion is a web design company. The Lagos, Nigeria-based firm was launched in 2017. Their team specializes in Web Design and Web Development.
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$5,000+$50 - $99 / hr2 - 9Gloucester, England
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Web development company Doddle Agency is located in Gloucester, England. The team specializes in Web Development and Custom Software Development.
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$5,000+$100 - $149 / hr2 - 9
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Betta Webs, a web design company, is based in Canterbury, England. They provide Web Design and Web Development and were established in 2023.
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$1,000+$50 - $99 / hr2 - 9Sunderland, England
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Founded in 2011, TTMG Internet Ltd is a small website development firm. Their services include Web Development and Web Design.
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Undisclosed$25 - $49 / hr2 - 9Cork, Ireland
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Branding firm Studio Nowinter is headquartered in Cork, Ireland. They offer Branding and Web Design and were established in 2021.
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$1,000+$100 - $149 / hr2 - 9Oakland, CA
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Headquartered in Oakland, California, Nzouat is a small custom software development firm. The team focuses on Custom Software Development and Web Development.
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$1,000+$100 - $149 / hr2 - 9Ottawa, Canada
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Headquartered in Ottawa, Canada, Pink Robot Inc. Is a web development company. They offer Web Development and Custom Software Development and were launched in 2019.
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$1,000+$100 - $149 / hr2 - 9Ellisville, MO
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Never Gravity Web Design, a SEO agency, specializes in Search Engine Optimization and Web Design. The firm is located in Ellisville, Missouri.
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$1,000+$100 - $149 / hr2 - 9Locust Grove, VA
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Camna, a website development firm, was launched in 2006. The team provides Web Development and E-Commerce Development.
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$10,000+$100 - $149 / hr2 - 9Salem, OR
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Poieo Dev is a SEO agency. Established in 2019, the firm focuses on Search Engine Optimization and Web Development.
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$1,000+< $25 / hr2 - 9
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Located in , porositweb.com is a SEO company. The team specializes in Search Engine Optimization and Web Design.
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$1,000+$100 - $149 / hr2 - 9
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Astro Studio Ltd is a web design company. Located in York, England, their small team offers Web Design and Search Engine Optimization. The company was founded in 2024.
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$5,000+$150 - $199 / hr2 - 9Lafayette, LA
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Located in Lafayette, Louisiana, Haketi is a web design agency. The team offers Web Design and UX/UI Design.
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$1,000+$100 - $149 / hr2 - 9Schwarmstedt, Germany
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CodingStars GbR is a software development firm. In Schwarmstedt, Germany, the firm specializes in Custom Software Development and Web Development.
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$1,000+$50 - $99 / hr2 - 9Słomniki, Poland
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Established in 2019, Interakcjo, a small web design company, is headquartered in Słomniki, Poland. Their team offers Web Design and UX/UI Design.
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$1,000+$100 - $149 / hr2 - 9Eugene, OR
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Website development firm Sterner Stuff is headquartered in Eugene, Oregon. They focus on Web Development and Custom Software Development.
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$5,000+$25 - $49 / hr2 - 9
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LibertyEngine is a website development firm. In Pitlochry, Scotland, the company specializes in Web Development and Web Design.
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$5,000+Undisclosed2 - 9
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Headquartered in Heber City, Utah, Bold Works is an Advertising company. Established in 2024, the team offers Advertising and Public Relations.
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$1,000+$50 - $99 / hr2 - 9
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WDSGN.Agency is a Prague, Czech Republic-based web design agency. They focus on Web Design and UX/UI Design.
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$5,000+$25 - $49 / hr2 - 9Surat, India
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INITSAT is a web development firm. They are based in Surat, India, and their services include Web Development and E-Commerce Development.
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$1,000+< $25 / hr2 - 9
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Established in 2023, Keyanntech Solutions Private Limited is a small branding firm. Their services include Branding and Content Marketing.
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$25,000+$25 - $49 / hr10 - 49دبي, United Arab Emirates
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Impala Intech - Software Development Agency is a small Dhaka, Bangladesh-based web development company. Their services include Web Development and Mobile App Development.
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$1,000+< $25 / hr10 - 49Madurai, India
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CryptoApe is a small software development firm established in 2021. Their team focuses on Custom Software Development and Web Development.
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$10,000+Undisclosed2 - 9London, England
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OMdeSIGN, a web design agency, specializes in Web Design and E-Commerce Development. The company is in London, England and Brighton, England.
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$1,000+$25 - $49 / hr10 - 49Calgary, Canada
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See all 1 projectsVBIntelz specializes in digital marketing and design services, providing strong value through effective advertising strategies. The reviews highlight their role in significantly enhancing business visibility and accelerating growth. Clients commend their dedication and expertise, which have been pivotal in achieving rapid and sustainable success while maintaining alignment with company values.
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$1,000+< $25 / hr10 - 49
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Cortech sols is a web development firm. The Austin, Texas-based company was established in 2023. Their team provides Web Development and Web Design.
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$1,000+$100 - $149 / hrFreelancerTewkesbury, England
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King Of Web Designs, a web design agency, is in Tewkesbury, England. Launched in 2020, the team provides Web Design and Web Development.
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$1,000+< $25 / hrFreelancerBacău, Romania
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Founded in 2021, Webby Art is a web development company. The team provides Web Development and UX/UI Design.
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$25,000+$50 - $99 / hr50 - 249Łódź, Poland
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Established in 2009, Listonic dev is a mobile app development firm. The midsize team offers Mobile App Development and Custom Software Development.
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$1,000+$200 - $300 / hrFreelancerBaytown, TX
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Purple Pixel Studio is a web development firm founded in 2022. The team offers Web Development and Search Engine Optimization.
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Undisclosed$25 - $49 / hrFreelancer
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Founded in 2023, Brain mantis is a web design company and web development firm. The team specializes in Web Design and Web Development and is located in Kakkanad, India.
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Undisclosed$25 - $49 / hrFreelancer
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Pactech is a software development company. The firm offers Custom Software Development and Web Development.
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$1,000+$50 - $99 / hrFreelancer
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DevX360, a software development firm, was founded in 2023. The team provides Custom Software Development and Web Development and is located in Ploiesti, Romania.
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$1,000+$25 - $49 / hr50 - 249
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See all 2 projectsOptima Solutions provides specialized services in Website Development and Web Programming, focusing on creating user-friendly web applications and plugins. Client reviews highlight their responsive customer service, timely project delivery, and strong support during and after development phases. Their work is characterized by fast, efficient web solutions and well-documented, bug-free code, making them a reliable choice for Web Development needs.
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$10,000+$50 - $99 / hr10 - 49Barcelona, Spain
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BITOTEK, an app development company, is based in London, England and Barcelona, Spain. The team specializes in Mobile App Development and Web Development.
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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
Ability to deliver
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.