Top JavaScript Developers
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$10,000+$25 - $49 / hr50 - 249Denpasar, Indonesia
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Sparklingtide is an user experience design agency headquartered in Denpasar, Indonesia. Their services include UX/UI Design and Graphic Design.
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$1,000+< $25 / hrFreelancer
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ST Dynamic Digital marketing and web design is a Digital Strategy company founded in 2021. Their services include Digital Strategy and Social Media Marketing.
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$1,000+$50 - $99 / hrFreelancerNashville, TN
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Amber Weinberg is a web development company. Headquartered in Nashville, Tennessee, the company provides Web Development.
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$1,000+$25 - $49 / hr2 - 9Ciudad Autonoma de Buenos Aires, Argentina
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Launched in 2011, GlobeMind is a small custom software development company. Their team specializes in Custom Software Development and Mobile App Development.
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Undisclosed< $25 / hr10 - 49Kolkata, India
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Alienity Technologies is a branding firm launched in 2022. The small team specializes in Branding and Search Engine Optimization.
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$10,000+$150 - $199 / hr10 - 49Kendal, England
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Established in 2020, San Digital, a small IT strategy consulting company, is located in Kendal, England. Their team provides IT strategy consulting and E-Commerce Development.
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$5,000+$25 - $49 / hr10 - 49
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Shoppias Ecommerce, an e-commerce development firm, is headquartered in Rosario, Argentina and Sheridan, Wyoming. Their services include E-Commerce Development and Mobile App Development.
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$5,000+$25 - $49 / hr2 - 9
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Dudes Team is an user experience design agency. The small Ivano-Frankivsk, Ukraine-based team focuses on UX/UI Design and Web Development. The agency was established in 2024.
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$25,000+$50 - $99 / hr10 - 49London, England
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Application development firm TAKWEN LTD is based in London, England and Dubai, United Arab Emirates. They specialize in Mobile App Development and Web Development and were founded in 2021.
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$1,000+$50 - $99 / hr10 - 49Abuja, Nigeria
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Reconnaissance Technologies specializes in web application development and CRM analytics tools, catering to various business needs including GPS location services and data analytics. Overall, their clients commend the high-quality, timely deliverables and creative web design capabilities, highlighting impressive attention to detail and effective project management. Feedback suggests satisfaction with their affordability and adaptability, with minor suggestions for improving team evaluations for ad-hoc resources.
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$5,000+$25 - $49 / hr2 - 9Rawalpindi, Pakistan
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Point Web Tech private limited is a web development company. Established in 2020, their team specializes in Web Development and Social Media Marketing.
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$1,000+$50 - $99 / hr2 - 9Wrocław, Poland
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Dst Design is a web design agency. Their team is based in Wrocław, Poland. The agency specializes in Web Design and Web Development.
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$25,000+$50 - $99 / hr10 - 49London, England
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Bing Digital is an UX company established in 1999. Their team focuses on UX/UI Design and Conversion Optimization.
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$5,000+$150 - $199 / hr10 - 49Sheridan, WY
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Business intelligence company ActiveWizards was launched in 2004. The agency provides BI & big data consulting & SI and Artificial Intelligence, and is small.
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$5,000+$150 - $199 / hr10 - 49Chicago, IL
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Gate 39 Media, a custom software development company, is headquartered in Chicago, Illinois. Established in 2003, the team offers Custom Software Development and Web Development.
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$1,000+< $25 / hr10 - 49Indore, India
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WelkinGetter Global IT Solutions is a SEO agency launched in 2015. The firm offers Search Engine Optimization and Pay Per Click, and is small.
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$1,000+$25 - $49 / hr10 - 49Dewas, India
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Adroit Technosoft, a web development company, is in Dewas, India. Their services include Web Development and Mobile App Development.
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$1,000+$25 - $49 / hr10 - 49Surat, India
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Artik Infotech is a website development firm. Launched in 2019, the firm is in Surat, India. Their team focuses on Web Development and Web Design.
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$1,000+< $25 / hr50 - 249New York, NY
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Openwave Computing is an application development firm. They are in New York, New York and Kuala Lumpur, Malaysia. Their team provides Mobile App Development and Web Design.
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$10,000+$50 - $99 / hr50 - 249
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Based in Pesaro, Italy, Websolute | AI-First Digital Agency is a midsize web development firm. Their services include Web Development and Digital Strategy.
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$1,000+$25 - $49 / hr50 - 249Warszawa, Poland
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Silk Data is a web development company. The team provides Web Development and Mobile App Development and is headquartered in Warszawa, Poland and Krefeld, Germany.
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$75,000+$25 - $49 / hr10 - 49
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Located in Islamabad, Pakistan, Code Enterprises is a web design agency. They provide Web Design and UX/UI Design and were founded in 2011.
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$25,000+$50 - $99 / hr2 - 9Savannah, GA
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See all 2 projectsOak.Works - Out of Business was a web development company known for custom website development and backend integration services. Reviews highlight their exceptional ability to transform ideas into sophisticated websites, with 100% of feedback praising their project management and design contributions. They were particularly valued for their proactive approach and commitment to enhancing client ideas beyond initial expectations.
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UndisclosedUndisclosed2 - 9Charlottetown, Canada
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Launched in 2006, iWebSource Solutions is an IT strategy consulting company. The team focuses on IT strategy consulting and Web Design and is headquartered in Charlottetown, Canada.
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$1,000+$25 - $49 / hr2 - 9Budapest, Hungary
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Software development firm Implest Digital Agency is in Budapest, Hungary. Founded in 2018, the team provides Custom Software Development and Mobile App Development.
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UndisclosedUndisclosed2 - 9Edinburgh , Scotland
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Blot Design, a small website development company, is in Edinburgh , Scotland. Their services include Web Development.
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UndisclosedUndisclosed2 - 9
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SpiderLily Web Design is a web design agency. In Poulsbo, Washington, the firm was founded in 2008. Their services include Web Design and Web Development.
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UndisclosedUndisclosed2 - 9
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InTouch Website Design, a graphic design agency, was established in 2005. They provides Graphic Design and Web Design.
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UndisclosedUndisclosed2 - 9
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Heartland Web Development, a web design agency and website development firm, was launched in 2003. The small team focuses on Web Design and Web Development.
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UndisclosedUndisclosed2 - 9Brasília , Brazil
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Software development company True Software Ltda was established in 2002. The firm offers Custom Software Development and Mobile App Development, and is small.
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UndisclosedUndisclosed2 - 9Coquitlam, Canada
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E-commerce development firm Digit Art Designs Ltd was founded in 2003. In Coquitlam, Canada, the team focuses on E-Commerce Development and Web Development.
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UndisclosedUndisclosed2 - 9
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Transmedia Creatives, a web development firm, was launched in 2016. The company provides Web Development and Search Engine Optimization, and is small.
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UndisclosedUndisclosed2 - 9Torino, Italy
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Based in Torino, Italy, Righetti Agency is a small web development company. Their services include Web Development and Search Engine Optimization.
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UndisclosedUndisclosed2 - 9Alexandria, VA
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In Alexandria, Virginia, Musketeers.me is a small web development company. Their services include Web Development and Web Design.
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UndisclosedUndisclosed2 - 9
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Launched in 2008, Refresh Web Design is a small Richmond , Virginia-based SEO services firm. Their services include Search Engine Optimization and Web Design.
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UndisclosedUndisclosed2 - 9Varna, Bulgaria
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M&G Development Ltd is a web design agency and website development firm. Their small team is in Varna, Bulgaria. Their services include Web Design and Web Development.
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UndisclosedUndisclosed2 - 9Lawrence, KS
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Underscore Design is a Lawrence, Kansas-based web design agency. Founded in 2002, the team offers Web Design and Web Development.
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UndisclosedUndisclosed2 - 9San Sebastián de los Reyes, Spain
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Taiko Solutions is a web development firm. The team focuses on Web Development and Web Design, and the firm is headquartered in San Sebastián de los Reyes, Spain.
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UndisclosedUndisclosed2 - 9Rosario, Argentina
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Wearable App Development company Wdesign was founded in 2002. The agency provides Wearable App Development and Web Development.
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$1,000+< $25 / hr2 - 9Dublin 8, Ireland
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Fiksie is a web development company. Their small team is headquartered in Dublin 8, Ireland. Their services include Web Development and Search Engine Optimization.
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UndisclosedUndisclosed2 - 9Buenos Aires, Argentina
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Clappbox is a web development firm launched in 2012. The company offers Web Development and Digital Strategy.
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UndisclosedUndisclosed2 - 9North Melbourne, Australia
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Net Solutions Pty Ltd is a custom software development firm. The firm is located in North Melbourne, Australia. Their team focuses on Custom Software Development and Web Development.
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UndisclosedUndisclosed2 - 9Preston, Australia
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ISmarts Web Development is a web design company. Founded in 2011, the team focuses on Web Design and Web Development.
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UndisclosedUndisclosed2 - 9Cardiff, Australia
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Sublime Web Design is a web design company. They are headquartered in Cardiff, Australia and have small team of experts. Their services include Web Design and Search Engine Optimization.
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UndisclosedUndisclosed2 - 9Washington, DC
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Xykon is a Cybersecurity company. In Washington, District of Columbia, the company was founded in 2007. Their team focuses on Cybersecurity and Web Development.
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UndisclosedUndisclosed2 - 9Gloucester , England
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Small web design agency PushCode, Inc., is in Gloucester , England. Their services include Web Design and Content Marketing.
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$1,000+< $25 / hr2 - 9
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Located in Manila, Philippines, Primo Collab is a web design company and web development firm. They provide Web Design and Web Development.
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$10,000+$100 - $149 / hr2 - 9
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AEON Technology Group, a website development company, is in Long Beach, California. Established in 2008, the team specializes in Web Development and E-Commerce Development.
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$5,000+$25 - $49 / hr2 - 9Łódź, Poland
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Prospect Studio is a web design company. In Łódź, Poland, the agency was launched in 2020. Their team focuses on Web Design and UX/UI Design.
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$10,000+$50 - $99 / hr2 - 9Paris, France
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Established in 2019, Inprogress Agency is a web development company. The team provides Web Development and Mobile App Development.
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List of the Top 15 JavaScript Development Companies
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$75,000+$100 - $149 / hr50 - 249Vancouver, Canada
Ability to deliver
38.7/40.020/20 Reviews10/10 Clients & Experience8.7/10 Market PresenceService focus
90% Web Development50% JavaScript10% Other -
$25,000+$50 - $99 / hr50 - 249Kraków, Poland
Ability to deliver
35.9/40.019/20 Reviews10/10 Clients & Experience6.9/10 Market PresenceService focus
60% Web Development50% JavaScript40% Other -
$10,000+$25 - $49 / hr250 - 999Bengaluru, India
Ability to deliver
37.2/40.020/20 Reviews10/10 Clients & Experience7.2/10 Market PresenceService focus
20% Web Development40% JavaScript80% Other -
$5,000+$50 - $99 / hr50 - 249Maribor, Slovenia
Ability to deliver
35.1/40.020/20 Reviews10/10 Clients & Experience5.1/10 Market PresenceService focus
40% Web Development100% JavaScript60% Other -
$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
34.1/40.018.4/20 Reviews10/10 Clients & Experience5.7/10 Market PresenceService focus
45% Web Development75% JavaScript55% Other -
$25,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
34.5/40.018.8/20 Reviews10/10 Clients & Experience5.7/10 Market PresenceService focus
40% Web Development60% JavaScript60% Other -
$10,000+< $25 / hr250 - 999Hanoi, Vietnam
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35.9/40.018.8/20 Reviews10/10 Clients & Experience7.1/10 Market PresenceService focus
30% Web Development21% JavaScript70% Other -
$1,000+< $25 / hr250 - 999Walpole, MA
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32.8/40.016.2/20 Reviews10/10 Clients & Experience6.6/10 Market PresenceService focus
40% Web Development35% JavaScript60% Other -
$10,000+$50 - $99 / hr10 - 49London, England
Ability to deliver
34.8/40.018.6/20 Reviews10/10 Clients & Experience6.2/10 Market PresenceService focus
50% Web Development90% JavaScript50% Other -
$100,000+$25 - $49 / hr250 - 999Cebu City, Philippines
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35.6/40.020/20 Reviews10/10 Clients & Experience5.6/10 Market PresenceService focus
30% Web Development20% JavaScript70% Other -
$25,000+< $25 / hr250 - 999Ahmedabad, India
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37/40.019.6/20 Reviews10/10 Clients & Experience7.4/10 Market PresenceService focus
45% Web Development10% JavaScript55% Other -
$5,000+$25 - $49 / hr50 - 249Warszawa, Poland
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32.3/40.017.2/20 Reviews10/10 Clients & Experience5.1/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$5,000+$50 - $99 / hr50 - 249Chicago, IL
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35.6/40.019.6/20 Reviews10/10 Clients & Experience6/10 Market PresenceService focus
35% Web Development40% JavaScript65% Other -
$10,000+$50 - $99 / hr50 - 249Amsterdam, Netherlands
Ability to deliver
34.9/40.019.8/20 Reviews10/10 Clients & Experience5.1/10 Market PresenceService focus
30% Web Development70% JavaScript70% Other -
$10,000+$25 - $49 / hr1,000 - 9,999Plano, TX
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33.6/40.016.8/20 Reviews10/10 Clients & Experience6.8/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$25,000+$25 - $49 / hr50 - 249Newark, DE
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35.5/40.018.8/20 Reviews10/10 Clients & Experience6.7/10 Market PresenceService focus
40% Web Development35% JavaScript60% Other -
$10,000+$25 - $49 / hr250 - 999New York, NY
Ability to deliver
36.2/40.020/20 Reviews10/10 Clients & Experience6.2/10 Market PresenceService focus
30% Web Development15% JavaScript70% Other -
$10,000+$50 - $99 / hr50 - 249San Francisco, CA
Ability to deliver
32.6/40.018.8/20 Reviews8.3/10 Clients & Experience5.5/10 Market PresenceService focus
55% Web Development45% JavaScript45% Other -
$50,000+$50 - $99 / hr1,000 - 9,999L'viv, Ukraine
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36.3/40.017.6/20 Reviews10/10 Clients & Experience8.8/10 Market PresenceService focus
15% Web Development18% JavaScript85% Other -
$10,000+$50 - $99 / hr50 - 249Montevideo, Uruguay
Ability to deliver
33.8/40.018.6/20 Reviews10/10 Clients & Experience5.2/10 Market PresenceService focus
50% Web Development35% JavaScript50% Other -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
33.1/40.017.8/20 Reviews10/10 Clients & Experience5.3/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$50,000+$50 - $99 / hr1,000 - 9,999New York, NY
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35.7/40.020/20 Reviews10/10 Clients & Experience5.7/10 Market PresenceService focus
10% Web Development25% JavaScript90% Other -
$25,000+$50 - $99 / hr10 - 49Poznań, Poland
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33.8/40.017/20 Reviews10/10 Clients & Experience6.8/10 Market PresenceService focus
50% Web Development60% JavaScript50% Other -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
31.9/40.016.4/20 Reviews10/10 Clients & Experience5.5/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$50,000+$25 - $49 / hr50 - 249Kharkiv, Ukraine
Ability to deliver
31.9/40.016.2/20 Reviews10/10 Clients & Experience5.7/10 Market PresenceService focus
45% Web Development50% JavaScript55% Other -
$50,000+$150 - $199 / hr50 - 249New York, NY
Ability to deliver
31.9/40.015.8/20 Reviews10/10 Clients & Experience6.1/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$50,000+$100 - $149 / hr1,000 - 9,999San Francisco, CA
Ability to deliver
33.9/40.017.2/20 Reviews9.9/10 Clients & Experience6.8/10 Market PresenceService focus
15% Web Development25% JavaScript85% Other -
$10,000+$25 - $49 / hr50 - 249Kraków, Poland
Ability to deliver
33.8/40.018.8/20 Reviews10/10 Clients & Experience5/10 Market PresenceService focus
30% Web Development50% JavaScript70% Other -
$5,000+$25 - $49 / hr250 - 999Jaipur, India
Ability to deliver
37.4/40.020/20 Reviews10/10 Clients & Experience7.4/10 Market PresenceService focus
10% Web Development25% JavaScript90% Other -
$25,000+$100 - $149 / hr50 - 249Santa Clara, CA
Ability to deliver
35.1/40.017.8/20 Reviews10/10 Clients & Experience7.3/10 Market PresenceService focus
60% Web Development20% JavaScript40% 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.