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 / hrFreelancer
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Based in Bierbeek, Belgium, Sitects is a web design agency. They offer Web Design and UX/UI Design.
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$1,000+$50 - $99 / hr2 - 9Jaipur, India
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Colleagues Cron IT Solutions Pvt. Ltd., a small SEO services firm, is in Jaipur, India. Their services include Search Engine Optimization and E-Commerce Development.
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$5,000+< $25 / hr2 - 9Navi Mumbai, India
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Badfox Studio is an Architectural Design company launched in 2009. Their services include Architectural Design and Mobile App Development.
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$1,000+< $25 / hr2 - 9
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Design Dream is a social media marketing firm located in Jaipur, India. Their services include Social Media Marketing and Search Engine Optimization.
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$1,000+$25 - $49 / hr2 - 9Sahibzada Ajit Singh Nagar, India
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Established in 2021, Omega Orion is a mobile app development firm. The company offers Mobile App Development and UX/UI Design, and is small.
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$1,000+< $25 / hr2 - 9
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Founded in 2022, Sirgil Technology, a small big data analytics company, is headquartered in Windhoek, Namibia. Their team offers BI & big data consulting & SI and IT managed services.
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$10,000+$100 - $149 / hr2 - 9Bellevue, WA
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Astra, a web development company, offer Web Development and Mobile App Development. They were established in 2022.
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Undisclosed< $25 / hr2 - 9
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Wireframe Studios, a web development firm, is headquartered in Jaipur, India. The team offers Web Development and Architectural Design.
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$1,000+$25 - $49 / hr10 - 49
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GS Studio is a small mobile app development firm established in 2010. Their team focuses on Mobile App Development and AR/VR development.
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UndisclosedUndisclosed2 - 9Nairobi, Kenya
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RoyalTrendia - Digital Media Marketing, Web Design & SEO in Kenya is a small Nairobi, Kenya-based SEO company. The team provides Search Engine Optimization and Social Media Marketing.
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Undisclosed$25 - $49 / hr50 - 249
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Krish Apps Lab Pvt. Ltd., a mobile application development firm, is in Faridabad, India. Their services include Mobile App Development and Enterprise App Modernization.
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$10,000+$25 - $49 / hr50 - 249
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Software development firm Resilience IT Ltd is located in London, England and London, England. Launched in 2019, the team specializes in Custom Software Development and BI & big data consulting &
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$1,000+$50 - $99 / hr50 - 249Sofia, Bulgaria
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Brave IT Consulting is a midsize custom software development firm. Established in 2019, the team specializes in Custom Software Development and Enterprise App Modernization.
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$5,000+$150 - $199 / hr2 - 9Ruskin, FL
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Established in 2016, Mage H.D. Is a SEO company. Their services include Search Engine Optimization and Digital Strategy.
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$5,000+$100 - $149 / hr50 - 249Long Beach, CA
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Web design company Grow Tech Solution is in Long Beach, California. Established in 1994, the team focuses on Web Design and Web Development.
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$25,000+$100 - $149 / hr50 - 249New York, NY
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In New York, New York and Houston, Texas, VST is a software development company. They focus on Custom Software Development and Digital Strategy and were established in 2001.
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Undisclosed$50 - $99 / hr50 - 249
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CamelCoders Private Limited is a social media marketing firm. They offer Social Media Marketing and Search Engine Optimization and are located in Los Angeles, California and Texas City, Texas.
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$1,000+$100 - $149 / hrFreelancerHanover, MD
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Lenna Price, LLC is a Digital Strategy company. Headquartered in Hanover, Maryland, their team provides Digital Strategy and Web Development.
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Undisclosed$50 - $99 / hr50 - 249Kozhikkalnatham, India
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Wspl Hosting Solution (OPC) Private Limited is a web development firm. The team is located in Kozhikkalnatham, India, and their services include Web Development and Mobile App Development.
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$1,000+$25 - $49 / hrFreelancerKaposvár, Hungary
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HolMiKi Kft, a website development company, was launched in 2015. The small team offers Web Development and E-Commerce Development.
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$1,000+$50 - $99 / hr2 - 9Sydney, Australia
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Mindesigns, an UX agency, focus on UX/UI Design and Web Development. They were established in 2022.
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$1,000+$50 - $99 / hrFreelancerAuckland, New Zealand
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Pozo Web is a custom software development firm. They focus on Custom Software Development and Web Development and were established in 2016.
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$1,000+< $25 / hr50 - 249Bengaluru, India
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IT staff augmentation company Kodewoez was established in 2023. The team offers IT staff augmentation and Custom Software Development.
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$1,000+$100 - $149 / hr50 - 249
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Midsize Conversion Optimization company Entelech, is located in Sydney, Australia and Bangkok, Thailand. The team focuses on Conversion Optimization and Search Engine Optimization.
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$1,000+$25 - $49 / hrFreelancerFolsom, CA
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DBanerjee is a small social media marketing firm headquartered in Folsom, California. The team provides Social Media Marketing and Mobile & App Marketing.
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UndisclosedUndisclosed50 - 249Singapore
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Fitech is a midsize Hanoi, Vietnam-based custom software development firm. The team provides Custom Software Development and E-Commerce Development.
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$10,000+$25 - $49 / hr50 - 249São Paulo, Brazil
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OpenCircle is a data analytics company. The São Paulo, Brazil-based firm was launched in 2020. Their services include BI & big data consulting & SI and cloud consulting & SI.
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$1,000+$25 - $49 / hrFreelancer
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Ugurkarakaya is a social media marketing agency. They are located in istanbul , Türkiye and have small team. They focus on Social Media Marketing and Graphic Design.
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$1,000+$25 - $49 / hr50 - 249
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ERP consulting and SI company One Stop Odoo provides ERP consulting and SI and Web Design. They are located in Toronto, Canada.
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$1,000+$50 - $99 / hrFreelancer
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Mendola.Tech, a small IT managed services company, is located in Zephyrhills, Florida. The team specializes in IT managed services and Custom Software Development.
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$1,000+$25 - $49 / hrFreelancerWarszawa, Poland
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In Warszawa, Poland, Shapes is a small web design company. The team provides Web Design and Web Development.
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$1,000+< $25 / hr50 - 249Delhi, India
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Koman Tech Solutions is a Delhi, India-based web design agency. They offer Web Design and Custom Software Development.
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$25,000+$100 - $149 / hr10 - 49Ciudad de México, Mexico
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See all 15 projectsNolte is a web development company specializing in custom website and web application development, often utilizing WordPress. Their reviews highlight strong project management, prompt communication, and expertise in both front-end and back-end development. Approximately 90% of reviewers emphasize their professionalism and ability to work with non-technical clients, though some suggest improvements in communication and project pacing.
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$5,000+$25 - $49 / hr10 - 49
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See all 1 projectsHostimus is a web development company specializing in website development, web design, and online development. The company is praised for its attentiveness and personalized service, with 100% of reviews highlighting their responsiveness and project management skills. Positive feedback emphasizes their ability to align with client values and provide value for cost.
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UndisclosedUndisclosed10 - 49Washington, DC
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Blueprint Interactive is a Digital Strategy company. They are headquartered in Washington, District of Columbia, and their services include Digital Strategy and Mobile App Development.
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UndisclosedUndisclosed10 - 49Fargo, ND
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DMA Digital is a Fargo, North Dakota-based Content Marketing company. Founded in 2017, the team focuses on Content Marketing and Graphic Design.
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UndisclosedUndisclosed10 - 49Wausau, WI
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Web design agency Virtual Vision Computing, LLC focuses on Web Design and Web Development. They were founded in 1996.
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UndisclosedUndisclosed10 - 49Modesto, CA
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T3 Direct is a Modesto, California-based Content Marketing company. Their services include Content Marketing and Conversion Optimization.
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UndisclosedUndisclosed10 - 49Nottingham, England
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Looks OK is a website development firm. The team is based in Nottingham, England, and their services include Web Development and Mobile App Development.
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UndisclosedUndisclosed10 - 49Barrie, Canada
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Net Gain is a Content Marketing company. Their team is based in Barrie, Canada. The company specializes in Content Marketing and Conversion Optimization.
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UndisclosedUndisclosed10 - 49Sydney, Australia
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AusNep IT Solution is a Sydney, Australia-based web design company. Their services include Web Design and IT strategy consulting.
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UndisclosedUndisclosed10 - 49Rio de Janeiro, Brazil
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Founded in 2005, Guerra Byte is a small Rio de Janeiro, Brazil-based e-commerce development company. Their team focuses on E-Commerce Development and Mobile App Development.
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UndisclosedUndisclosed10 - 49Zaporizhzhia, Ukraine
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Launched in 2017, CubeX-Ukraine is a website development firm. Located in Zaporizhzhia, Ukraine, the team specializes in Web Development and Mobile App Development.
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UndisclosedUndisclosed10 - 49Kingston, Jamaica
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Speur Professional Services LLC. Is an UX company founded in 2017. The company specializes in UX/UI Design and Custom Software Development.
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UndisclosedUndisclosed10 - 49Darmstadt, Germany
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Based in Darmstadt, Germany and Zürich, Switzerland, orquidea IT Services GmbH is a custom software development firm. They specialize in Custom Software Development and Mobile App Development.
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UndisclosedUndisclosed10 - 49Orlando, FL
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In Orlando, Florida, Sanchez Technologies is a social media marketing firm. The team offers Social Media Marketing and Search Engine Optimization.
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UndisclosedUndisclosed10 - 49Lisboa, Portugal
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Nowday is a small IT strategy consulting company located in Lisboa, Portugal. Their services include IT strategy consulting and IT managed services.
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$1,000+$25 - $49 / hr10 - 49Lahore, Pakistan
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Codezbit is a website development company. The team provides Web Development and Mobile App Development, and the agency is in Lahore, Pakistan.
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$1,000+$50 - $99 / hr2 - 9Rolleston, New Zealand
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Netspace is a graphic design company. They offer Graphic Design and Branding and are located in Rolleston, New Zealand.
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$1,000+< $25 / hr2 - 9Kolkata, India
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UGD Solution is a branding agency. Their small team is headquartered in Kolkata, India. Their services include Branding 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
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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
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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
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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
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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
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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 -
$100,000+$25 - $49 / hr250 - 999Cebu City, Philippines
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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
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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
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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 -
$25,000+$25 - $49 / hr50 - 249Rickmansworth, England
Ability to deliver
38.9/40.019.2/20 Reviews10/10 Clients & Experience9.7/10 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.