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 87 projectsDigis, a Fiverr company (NYSE: FVRR), specializes in full-stack web development, providing comprehensive services such as web and mobile app development, front-end and back-end engineering, and UI/UX design. With over 90% positive feedback, clients consistently praise their technical expertise, seamless communication, and proactive project management, attributing significant business success and operational enhancements to Digis' contributions.
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UndisclosedUndisclosed2 - 9Atco, NJ
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{Lolio GD} is a small Atco, New Jersey-based branding firm. Their services include Branding and Graphic Design.
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UndisclosedUndisclosed2 - 9
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Brian Sniff Web Designs is a small e-commerce development company headquartered in Seattle, Washington. Their services include E-Commerce Development and Search Engine Optimization.
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UndisclosedUndisclosed2 - 9Middle River, MD
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Founded in 2016, Dociletech LLC is an e-commerce development firm. The small team offers E-Commerce Development and Mobile App Development.
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UndisclosedUndisclosed2 - 9
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Bronenkant Web Design, a small web design agency and web development company, is based in Lake Geneva, Wisconsin. The team focuses on Web Design and Web Development.
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UndisclosedUndisclosed2 - 9New Albany, MS
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Computing Technologies is a web design agency and website development company in New Albany, Mississippi. They specialize in Web Design and Web Development and were established in 2002.
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UndisclosedUndisclosed2 - 9Ann Arbor, MI
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Zengenuity, a small web design company and web development company, is headquartered in Ann Arbor, Michigan. The team focuses on Web Design and Web Development.
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UndisclosedUndisclosed2 - 9West Des Moines, IA
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Matt Hiemstra Web Development is a website development company. Their small team is based in West Des Moines, Iowa. Their services include Web Development.
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UndisclosedUndisclosed2 - 9
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Tiger Web Designs is a branding firm established in 2012. In East Longmeadow, Massachusetts, the team provides Branding and Logo.
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UndisclosedUndisclosed2 - 9
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Monica Antohi, an e-commerce development firm, is in Kingwood, Texas. They specialize in E-Commerce Development and Search Engine Optimization.
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UndisclosedUndisclosed2 - 9Caracas, Venezuela
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ConK-Digital is a Digital Strategy company. The Caracas, Venezuela-based agency was established in 2016. Their team provides Digital Strategy and Social Media Marketing.
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UndisclosedUndisclosed2 - 9Merritt Island, FL
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Based in Merritt Island, Florida, Brevard Web Pro is a small web design agency and web development firm. The team provides Web Design and Web Development.
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UndisclosedUndisclosed2 - 9Spokane Valley, WA
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Invision Technical is a small SEO services firm headquartered in Spokane Valley, Washington. The team focuses on Search Engine Optimization and Web Design.
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UndisclosedUndisclosed2 - 9Port St. Lucie, FL
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Clear SEM Solutions is an IT managed services company. Their small team is headquartered in Port St. Lucie, Florida. Their services include IT managed services and Pay Per Click.
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UndisclosedUndisclosed2 - 9Lynn, MA
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Established in 2011, Graham Designs is a small Lynn, Massachusetts-based Corporate Photography company. Their team specializes in Corporate Photography and Graphic Design.
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UndisclosedUndisclosed2 - 9Lake Forest, CA
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Ingenious info web, an app development company, was launched in 2015. The small team specializes in Mobile App Development and Search Engine Optimization.
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UndisclosedUndisclosed2 - 9Lancaster, CA
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Spiralmode Design Studio is a SEO company founded in 1999. In Lancaster, California, the team provides Search Engine Optimization and Social Media Marketing.
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UndisclosedUndisclosed2 - 9
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Located in Torino, Italy, Formula Sito is a small SEO company. The team provides Search Engine Optimization and Web Development.
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UndisclosedUndisclosed2 - 9North Wing - Brasilia, Brazil
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A2designer is a small North Wing - Brasilia, Brazil-based web design company. Their services include Web Design and Web Development.
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UndisclosedUndisclosed2 - 9Torino, Italy
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Modalsource is a small software development firm. Launched in 2008, the team focuses on Custom Software Development and Web Development.
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UndisclosedUndisclosed2 - 9Bologna, Italy
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Web development company Craq Design Studio is in Bologna, Italy. They specialize in Web Development and UX/UI Design and were launched in 2009.
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UndisclosedUndisclosed2 - 9Varna, Bulgaria
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Webnotize is a graphic design agency. They are in Varna, Bulgaria and have small team of experts. Their services include Graphic Design and Web Design.
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UndisclosedUndisclosed2 - 9Barcelona, Spain
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Common People Interactive is a web development firm. The team provides Web Development and E-Commerce Development and is headquartered in Barcelona, Spain.
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UndisclosedUndisclosed2 - 9München, Germany
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Newsenses, a small Logo company, is headquartered in München, Germany. Their services include Logo and Web Design.
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UndisclosedUndisclosed2 - 9Barranquilla, Colombia
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JSoftApps is a web development company based in Barranquilla, Colombia. They focus on Web Development and Custom Software Development and were established in 2013.
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UndisclosedUndisclosed2 - 9
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Crackerjack Scribe is a Digital Strategy company. They provide Digital Strategy and Email Marketing and were established in 2011. The agency is based in Los Angeles, California.
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UndisclosedUndisclosed2 - 9Rosario, Argentina
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Estudio BL is a website development company headquartered in Rosario, Argentina. The team offers Web Development and Branding.
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UndisclosedUndisclosed2 - 9Amsterdam, Netherlands
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Netplanet Web Development is a web development company. The firm is located in Amsterdam, Netherlands. Their team focuses on Web Development and Marketing Strategy.
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UndisclosedUndisclosed2 - 9București, Romania
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Digital District, an user experience design company, was founded in 2017. The firm specializes in UX/UI Design and Digital Strategy, and is small.
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UndisclosedUndisclosed2 - 9McKinney, TX
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Adelphoi is an Advertising company based in McKinney, Texas. Their services include Advertising and Branding.
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UndisclosedUndisclosed2 - 9București, Romania
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Centrade | Cheil is a Digital Strategy company launched in 2017. The small team focuses on Digital Strategy and Mobile App Development.
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UndisclosedUndisclosed2 - 9San Juan de Miraflores, Peru
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Digital Strategy company Agencia JMC is in San Juan de Miraflores, Peru. Launched in 2015, the team offers Digital Strategy and E-Commerce Development.
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UndisclosedUndisclosed2 - 9
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SEO company Mermelon Design was established in 2016. The company provides Search Engine Optimization and Web Development.
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UndisclosedUndisclosed2 - 9Longmont, CO
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Pixel Brew is an user experience design company established in 2018. The company offers UX/UI Design and Pay Per Click.
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UndisclosedUndisclosed2 - 9Budapest, Hungary
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User experience agency DreamLab Kft. Is headquartered in Budapest, Hungary. They specialize in UX/UI Design and Logo.
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UndisclosedUndisclosed2 - 9Los Alamitos, CA
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C. A. Web Design, Inc. Is a SEO agency. The Los Alamitos, California-based team provides Search Engine Optimization and Web Design.
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UndisclosedUndisclosed2 - 9Baldivis, Australia
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Professional Web Solutions is a software development firm launched in 2015. In Baldivis, Australia, the team provides Custom Software Development and cloud consulting & SI.
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UndisclosedUndisclosed2 - 9Wattle Grove, Australia
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Web Extra is a website development company. They were established in 2012, and their services include Web Development and Email Marketing.
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UndisclosedUndisclosed2 - 9Scottsdale, AZ
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Markit Media Group LLC is an Advertising company. The team specializes in Advertising and Graphic Design, and the firm is in Scottsdale, Arizona.
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UndisclosedUndisclosed2 - 9Zagreb, Croatia
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Virtuabit is an Advertising and website development company. They are in Zagreb, Croatia. Their team focuses on Advertising and Web Development.
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UndisclosedUndisclosed2 - 9Lucknow, India
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Neo Search Logix is a small SEO company located in Lucknow, India. Their services include Search Engine Optimization and Web Development.
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UndisclosedUndisclosed2 - 9
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Founded in 2014, Web Horsepower, a small web development firm, is headquartered in Plano, Texas. Their team specializes in Web Development and Search Engine Optimization.
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$10,000+$100 - $149 / hr2 - 9
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Remote Cloud Consulting, Inc., a cloud consulting & SI company, was founded in 2020. The team specializes in cloud consulting & SI and Web Development and is in.
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UndisclosedUndisclosed2 - 9McLean, VA
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Govatron LLC is a web design company. Founded in 2015, the company focuses on Web Design and UX/UI Design.
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UndisclosedUndisclosed2 - 9
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Icecream Cloud Software UG is a Product Design company. They are in Darmstadt, Germany and have small team. Their team offers Product Design and Custom Software Development.
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UndisclosedUndisclosed2 - 9Florence, AZ
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Relyon, a web design company, is in Florence, Arizona. The team offers Web Design and Web Development.
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UndisclosedUndisclosed2 - 9Barrackpore, India
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SEO services firm Fox Web Wizardz was founded in 2009. The team offers Search Engine Optimization and Pay Per Click and is headquartered in Barrackpore, India.
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UndisclosedUndisclosed2 - 9Istanbul, Türkiye
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Brunos Digital is a web design company. The Istanbul, Türkiye-based agency specializes in Web Design and Web Development.
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UndisclosedUndisclosed2 - 9Jeddah, Saudi Arabia
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Bettertech is a Digital Strategy company. They are headquartered in Jeddah, Saudi Arabia and have small team. They specialize in Digital Strategy and Web Development.
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UndisclosedUndisclosed2 - 9Bratislava, Slovakia
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Okto—consulting is an UX agency. Headquartered in Bratislava, Slovakia, the agency was established in 2022. Their team provides UX/UI Design and Cybersecurity.
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UndisclosedUndisclosed2 - 9
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Audio Production company Superklok Labs was launched in 2008. The team offers Audio Production and Web Design.
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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 Development70% JavaScript50% Other -
$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 -
$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
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37.9/40.018.6/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
50% Web Development50% JavaScript50% Other -
$10,000+Undisclosed50 - 249San Francisco, CA
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38.9/40.019.6/20 Reviews9.6/10 Clients & Experience9.7/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$5,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
37.3/40.018.4/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$10,000+$50 - $99 / hr50 - 249Montevideo, Uruguay
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39.3/40.019.8/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
50% Web Development35% JavaScript50% Other -
$50,000+$100 - $149 / hr1,000 - 9,999San Francisco, CA
Ability to deliver
39.9/40.020/20 Reviews9.9/10 Clients & Experience10/10 Market PresenceService focus
15% Web Development25% JavaScript85% Other -
$25,000+$25 - $49 / hr50 - 249Newark, DE
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40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
40% Web Development35% JavaScript60% Other -
$10,000+$50 - $99 / hr50 - 249Kuala Lumpur, Malaysia
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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 -
$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 -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
36.8/40.017.2/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
60% Web Development45% JavaScript40% 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 - 9,999L'viv, Ukraine
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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 -
$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 -
$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 -
$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 -
$50,000+$150 - $199 / hr50 - 249Matlock, England
Ability to deliver
38.2/40.018.4/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
100% Web Development30% JavaScript -
$1,000+< $25 / hr1,000 - 9,999Los Angeles, CA
Ability to deliver
36.9/40.019.6/20 Reviews9.3/10 Clients & Experience8/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$10,000+$50 - $99 / hr10 - 49Warszawa, Poland
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37.8/40.018.6/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
50% Web Development70% JavaScript50% Other -
$50,000+$150 - $199 / hr50 - 249New York, NY
Ability to deliver
35.9/40.016.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$50,000+$150 - $199 / hr250 - 999Irvine, CA
Ability to deliver
36.4/40.016.4/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
30% Web Development30% JavaScript70% Other -
$10,000+< $25 / hr250 - 999Hanoi, Vietnam
Ability to deliver
37.9/40.018.6/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
30% Web Development21% JavaScript70% Other -
$100,000+$25 - $49 / hr250 - 999Cebu City, Philippines
Ability to deliver
38.1/40.019.4/20 Reviews10/10 Clients & Experience8.7/10 Market PresenceService focus
30% Web Development20% 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.