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+$25 - $49 / hr2 - 9Ramos Mejía, Argentina
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In Ramos Mejía, Argentina, INNSHIP is a small IT strategy consulting company. The team specializes in IT strategy consulting and Custom Software Development.
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$1,000+$100 - $149 / hr2 - 9
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Worbee is a Digital Strategy and web development firm based in Bankya, Bulgaria. They provide Digital Strategy and Web Development and were established in 2020.
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$1,000+$100 - $149 / hr2 - 9Varanasi, India
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Founded in 2016, Beena Technosoft is a web development company. Their services include Web Development and Web Design.
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$10,000+$50 - $99 / hr2 - 9
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Conversion Optimization company Welti was launched in 2020. The team focuses on Conversion Optimization and Pay Per Click.
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$1,000+$25 - $49 / hr2 - 9
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Alapra is a Logo company. The small Toronto, Canada-based team specializes in Logo and Branding. The firm was established in 2020.
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$1,000+$50 - $99 / hr2 - 9Limestone, ME
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East Coast Web Solutions is a web design agency. They are located in Limestone, Maine, and their services include Web Design and Web Development.
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$1,000+$25 - $49 / hr2 - 9
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Mobile application development firm IBrave Technolgies is headquartered in Addis Ababa, Ethiopia. Their services include Mobile App Development and Web Development.
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$5,000+$50 - $99 / hr2 - 9Victoria, Canada
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Web design agency Paper Rhino Studio was launched in 2021. The team offers Web Design and Web Development.
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$10,000+$25 - $49 / hr2 - 9
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Established in 2021, TechConative is a small software development company. Their team focuses on Custom Software Development and Enterprise App Modernization.
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$10,000+Undisclosed2 - 9Johor Bahru, Malaysia
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Optimum Technology is a Johor Bahru, Malaysia-based other IT consulting and SI company. They provide other IT consulting and SI and Custom Software Development and were launched in 2020.
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$1,000+$25 - $49 / hr2 - 9Cape Town, South Africa
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Idts is a small website development company in Cape Town, South Africa and Sandton, South Africa. Their services include Web Development and Mobile App Development.
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$1,000+$25 - $49 / hr2 - 9Vadodara, India
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LYCKA INFOLAB PRIVATE LIMITED is a small software development company located in Vadodara, India. Their services include Custom Software Development and Web Development.
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$5,000+$50 - $99 / hr2 - 9
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ByteLeap is a custom software development company. In New Delhi, India, their team offers Custom Software Development and Web Development.
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Undisclosed$25 - $49 / hr2 - 9Indore, India
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NRewind Technologies is a website development company. They are in Indore, India. Their team offers Web Development and Web Design.
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$1,000+$25 - $49 / hr2 - 9Delhi, India
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Blumox Technologies, a software development firm, was established in 2023. Based in Delhi, India, the team provides Custom Software Development and Web Development.
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$1,000+$25 - $49 / hr2 - 9Midrand, South Africa
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Jthoka & Co is a small web development firm. They focus on Web Development and Custom Software Development and were established in 2016.
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$1,000+$100 - $149 / hr2 - 9Brașov, Romania
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Zenvertising is a social media marketing firm. They were launched in 2016 and focus on Social Media Marketing and Pay Per Click.
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$1,000+$50 - $99 / hr2 - 9Kampala, Uganda
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Located in Kampala, Uganda, New Wave Technologies Limited is a branding firm. They specialize in Branding and Web Design.
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$5,000+$50 - $99 / hr2 - 9East Grinstead, England
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Bumblebee IT Solutions Ltd, a custom software development firm, was established in 2019. The company offers Custom Software Development and Web Development.
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$1,000+$50 - $99 / hr2 - 9Klaipėda, Lithuania
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Web development firm Owlet Studio was founded in 2024. The firm focuses on Web Development and E-Commerce Development, and is small.
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$1,000+$50 - $99 / hr2 - 9
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McZEN Technologies is a software development firm. The Djerba, Tunisia-based agency was established in 2019. Their services include Custom Software Development and Web Development.
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$5,000+$50 - $99 / hr2 - 9
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TIKI2™ is a SEO services firm. Based in Austin, Texas, their small team specializes in Search Engine Optimization and UX/UI Design. The agency was established in 1998.
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$5,000+$50 - $99 / hr2 - 9Porto, Portugal
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Remote Flags is a web development firm. The Porto, Portugal-based company was established in 2022. Their team focuses on Web Development and DevOps Managed Services.
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$5,000+$50 - $99 / hr2 - 9Miami, FL
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Kimera Studio is a small Product Design company founded in 2023. Their services include Product Design and UX/UI Design.
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$1,000+< $25 / hr2 - 9
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Digi Align is a web design agency. They were established in 2024, and their services include Web Design and Web Development.
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$1,000+$25 - $49 / hr2 - 9Hyderabad, India
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Sehyog Marketing Agency is a branding firm. They are in Hyderabad, India and have small team. They specialize in Branding and Social Media Marketing.
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$1,000+$25 - $49 / hr2 - 9
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Founded in 2020, Pashyaa Technologies Pvt Ltd is a small API Development company based in Pune, India. Their team focuses on API Development and Custom Software Development.
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$1,000+$25 - $49 / hr2 - 9
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Zontik Solutions is a social media marketing firm. The Kalispell, Montana-based team provides Social Media Marketing and Search Engine Optimization.
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$5,000+< $25 / hr2 - 9Napoli, Italy
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Headquartered in Napoli, Italy and Portland, Oregon, Vito Software is a small software development company. Their services include Custom Software Development and Web Development.
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$5,000+$50 - $99 / hr2 - 9
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ZERIFA, a SEO agency, focuses on Search Engine Optimization and IT strategy consulting. The company is based in Iași, Romania.
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$1,000+$50 - $99 / hr2 - 9
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Maya Grafix, a web design company, was established in 2016. The team offers Web Design and UX/UI Design.
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$1,000+$50 - $99 / hr2 - 9Ottawa, Canada
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API Development company Link Clicks Inc. Was launched in 2000. The firm offers API Development and Mobile App Development, and is small.
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$1,000+$100 - $149 / hr2 - 9
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TheNature is a small IT strategy consulting company established in 2022. Their services include IT strategy consulting and cloud consulting & SI.
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$1,000+$25 - $49 / hr2 - 9Novi Sad, Serbia
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Lozo Digital is a SEO company. Launched in 2023, the company is in Novi Sad, Serbia. Their team offers Search Engine Optimization and Pay Per Click.
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$1,000+$50 - $99 / hr2 - 9
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Query Infotech is a Surat, India-based e-commerce development company. The team offers E-Commerce Development and UX/UI Design.
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$10,000+$25 - $49 / hr10 - 49Islamabad, Pakistan
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Coyodigital is a Blockchain company. The team offers Blockchain and Custom Software Development, and the agency is located in Islamabad, Pakistan.
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Undisclosed< $25 / hr10 - 49
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Web design agency Compuitservices is in Dallas, Texas. The team provides Web Design and Web Development.
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Undisclosed< $25 / hr2 - 9
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SmmTechnologies is a small Karachi, Pakistan-based social media marketing agency. The team specializes in Social Media Marketing and Web Design.
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$5,000+$25 - $49 / hr2 - 9
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Urban web works is a Digital Strategy company. The team is located in Chanigarh, India, and their services include Digital Strategy and Social Media Marketing.
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Undisclosed$25 - $49 / hr2 - 9
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Stiljun Creative, a branding agency, is in Jakarta, Indonesia. The team focuses on Branding and UX/UI Design.
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UndisclosedUndisclosed2 - 9Brampton, Canada
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StarTrack Digital is a web development firm. The team provides Web Development and Web Design, and the agency is headquartered in Brampton, Canada.
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$10,000+$25 - $49 / hr50 - 249San Francisco, CA
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See all 34 projectsJetRuby Agency is a web development company specializing in custom website development, full-stack web development, and web application development. The agency consistently receives positive feedback, with approximately 90% of reviewers highlighting their expertise in Ruby on Rails and their ability to meet deadlines. Clients frequently commend their strong project management and deep industry knowledge, contributing to successful project outcomes and client satisfaction.
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$1,000+< $25 / hr10 - 49
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Founded in 2013, AGM Search India is a small Digital Strategy company located in Gurgaon, India. Their team specializes in Digital Strategy and Web Design.
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UndisclosedUndisclosed10 - 49Bengaluru, India
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Brandstory Digital Marketing Company, an Advertising company, was founded in 2012. In Bengaluru, India, the team offers Advertising and Business Consulting.
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$1,000+$25 - $49 / hr10 - 49Dubai, United Arab Emirates
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The Watchtower, a SEO services firm, was founded in 2017. The firm focuses on Search Engine Optimization and Web Development.
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UndisclosedUndisclosed10 - 49London, England
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Hawketing, a small branding firm, is based in London, England. Their services include Branding and Social Media Marketing.
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$5,000+$50 - $99 / hr10 - 49South Melbourne, Australia
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Appmart is a small app development company headquartered in South Melbourne, Australia. Their services include Mobile App Development and UX/UI Design.
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$1,000+$150 - $199 / hr10 - 49Phoenix, AZ
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Triaza is a Phoenix, Arizona-based Digital Strategy company. They focus on Digital Strategy and Marketing Strategy.
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$1,000+$25 - $49 / hr10 - 49
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Zonal Web is a social media marketing company. Their small team is located in Lahore, Pakistan. Their services include Social Media Marketing and Search Engine Optimization.
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$5,000+$50 - $99 / hr50 - 249L'viv, Ukraine
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See all 32 projectsFivecube Agency is a comprehensive web development company specializing in web design, web application development, and front-end development. They received overwhelmingly positive feedback, with approximately 100% of clients praising their quality, timeliness, and communication. Notably, 80% of reviewers highlighted their impressive design capabilities and professional project management, making them highly recommended for complex design challenges.
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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
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
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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
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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.