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 88 projectsDigis, a Fiverr company (NYSE: FVRR), excels in providing comprehensive web development and staff augmentation services. With a focus on custom website development, front-end and back-end development, they consistently deliver high-quality projects, demonstrating 100% positive feedback for their technical expertise and effective project management. Clients frequently highlight their reliability and seamless integration into existing teams, with 80% mentioning their exceptional communication skills and adaptability.
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$10,000+$50 - $99 / hr10 - 49Toronto, Canada
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Northcloud is an e-commerce development company. They are based in Toronto, Canada, and their services include E-Commerce Development and Web Development.
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$1,000+$25 - $49 / hr10 - 49Noida, India
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C. S. Tech Info Solutions is a Noida, India-based e-commerce development company. The team focuses on E-Commerce Development and Mobile App Development.
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$5,000+$25 - $49 / hr10 - 49
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Founded in 2011, Appxone Private Limited is an app development firm. Their team specializes in Mobile App Development and UX/UI Design.
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$5,000+$25 - $49 / hr10 - 49Ahmedabad, India
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TWOIQ LLP is a software development firm launched in 2018. The small team specializes in Custom Software Development and Web Development.
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$25,000+$25 - $49 / hr10 - 49
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Heuristix, a SEO company, was launched in 2012. The firm provides Search Engine Optimization and Web Development, and is small.
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$25,000+$50 - $99 / hr10 - 49Vilnius, Lithuania
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Established in 2008, Proitsw is a custom software development firm. The team focuses on Custom Software Development and Web Development.
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$10,000+< $25 / hr10 - 49Udaipur, India
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Pinaack Solutions is a software development company. They focus on Custom Software Development and Mobile App Development and are located in Udaipur, India and India.
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UndisclosedUndisclosed10 - 49Gqeberha, South Africa
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The Code Group is a software development company established in 2008. The agency specializes in Custom Software Development and Mobile App Development.
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$1,000+< $25 / hr10 - 49
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TecManic is a small custom software development firm. Founded in 2016, the team offers Custom Software Development and E-Commerce Development.
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$5,000+$25 - $49 / hr10 - 49
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Software development company Accentus Consulting Private Limited is headquartered in Kolkata, India. They offer Custom Software Development and IoT development and were established in 2012.
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$1,000+< $25 / hr10 - 49Petaling Jaya, Malaysia
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Application development company Spider Asia Sdn Bhd is located in Petaling Jaya, Malaysia. They focus on Mobile App Development and Web Design and were founded in 2000.
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$1,000+< $25 / hr10 - 49Surat, India
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Samp Technologies is a website development firm. Headquartered in Surat, India and Surat, India, the agency provides Web Development and Mobile App Development.
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$5,000+< $25 / hr10 - 49Ahmedabad, India
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On Demand App Solutions (White-label app solutions) is an Ahmedabad, India-based website development company. Their services include Web Development and Mobile App Development.
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$1,000+$25 - $49 / hr10 - 49Dhaka, Bangladesh
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ITclan BD is a software development firm. Based in Dhaka, Bangladesh, their team focuses on Custom Software Development and Web Development.
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$5,000+$50 - $99 / hr10 - 49Hanoi, Vietnam
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NETKO., JSC is a Hanoi, Vietnam-based cloud consulting & SI company. The team focuses on cloud consulting & SI and CRM consulting and SI.
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UndisclosedUndisclosed10 - 49
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Invision is a Digital Strategy company. They are headquartered in Dubai, United Arab Emirates and have small team of experts. Their services include Digital Strategy and Search Engine Optimization.
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$1,000+$25 - $49 / hr10 - 49Sharjah, United Arab Emirates
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Oracle Digital is a Digital Strategy company in Sharjah, United Arab Emirates. They offer Digital Strategy and Social Media Marketing.
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$10,000+$25 - $49 / hr10 - 49Córdoba, Argentina
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Siblings Software Argentina, an IT staff augmentation company, focus on IT staff augmentation and Web Development. They were launched in 2017.
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$5,000+$50 - $99 / hr10 - 49
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Sixty13 Web Solutions is a web design company. The firm is in Surat, India. Their services include Web Design and UX/UI Design.
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$5,000+$25 - $49 / hr10 - 49
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SEO agency Duture Consulting was founded in 2023. Headquartered in Hazel Grove, England and Indeevaram, India, the team offers Search Engine Optimization and CRM consulting and SI.
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$10,000+$25 - $49 / hr10 - 49Swords, Ireland
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Cozmotec, a small website development firm, is based in Swords, Ireland. Their services include Web Development and Mobile App Development.
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$1,000+$25 - $49 / hr10 - 49Kolkata, India
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Webingo Infotech Solutions, a branding agency, was established in 2017. The team provides Branding and Web Design.
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$1,000+< $25 / hr10 - 49Ajman, United Arab Emirates
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IT strategy consulting company Super52 was established in 2014. The team provides IT strategy consulting and cloud consulting & SI and is based in Ajman, United Arab Emirates.
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$25,000+$50 - $99 / hr10 - 49Ljubljana, Slovenia
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Proxima Interactive is an app development company. Located in Ljubljana, Slovenia, the company was founded in 2007. Their services include Mobile App Development and Blockchain.
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$50,000+$100 - $149 / hr10 - 49Paris, France
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DigitalOne is an IT strategy consulting company. Their team is located in Paris, France and specializes in IT strategy consulting and IT staff augmentation.
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$5,000+$25 - $49 / hr10 - 49
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USiS Technologies Private Limited is a web design company. Founded in 2007, their team offers Web Design and Custom Software Development.
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$50,000+$100 - $149 / hr10 - 49Villeneuve-d'Ascq, France
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Les Fabricants is a web design agency. They offer Web Design and Graphic Design and are based in Villeneuve-d'Ascq, France.
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$1,000+$50 - $99 / hr10 - 49Berlin, Germany
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By Intention, a small website development firm, is located in Berlin, Germany. Their services include Web Development and Branding.
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$1,000+$25 - $49 / hr10 - 49Piliyandala, Sri Lanka
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Webmotech Pvt Ltd is a Piliyandala, Sri Lanka-based web design company. The team focuses on Web Design and Custom Software Development.
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$5,000+$25 - $49 / hr10 - 49Hyderabad, India
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Quanteon Solutions is a software development company. They are in Hyderabad, India. Their team focuses on Custom Software Development and Web Development.
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$1,000+$50 - $99 / hr10 - 49Amman, Jordan
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Dot Media is an Advertising company. Their team is headquartered in Amman, Jordan. The agency focuses on Advertising and Branding.
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$1,000+< $25 / hr10 - 49Ahmedabad, India
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Appliquer Technologies is an Ahmedabad, India-based web development company. Launched in 2006, the team provides Web 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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$5,000+$25 - $49 / hr50 - 249Karachi, Pakistan
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Founded in 2020, DZN solutions is a midsize branding agency headquartered in Karachi, Pakistan. Their team offers Branding and Social Media Marketing.
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$50,000+$150 - $199 / hr50 - 249Jena, Germany
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Smart Commerce SE is an e-commerce development firm. The team focuses on E-Commerce Development and Digital Strategy and is based in Jena, Germany and Böblingen, Germany.
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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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$1,000+$50 - $99 / hr2 - 9
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Branding company Click Crafters is headquartered in Newborough, England. Their services include Branding and Search Engine Optimization.
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Undisclosed$25 - $49 / hr2 - 9
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The Other Dev, a branding company, specialize in Branding and Market Research. They were established in 2023.
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$1,000+Undisclosed10 - 49Ahmedabad, India
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Branding firm Aroha Consultants is in Ahmedabad, India. Their services include Branding and Social Media Marketing.
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$5,000+$50 - $99 / hr2 - 9Đakovo, Croatia
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Simplico is a small web design agency established in 2013. Their team offers Web Design and Web Development.
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$1,000+$25 - $49 / hr2 - 9Thessaloniki, Greece
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See all 2 projectsWe are a dynamic duo, a developer and a designer with years of experience working in agencies and freelancing, combining our skills into a studio that takes on projects in Webflow, WordPress,
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$1,000+< $25 / hr2 - 9জয়পুরহাট, Bangladesh
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Prefect IT is a জয়পুরহাট, Bangladesh-based SEO company. Their services include Search Engine Optimization and E-Commerce Development.
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$1,000+< $25 / hr10 - 49Sahibzada Ajit Singh Nagar, India
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BFMSLABS, a small Mobile & App Marketing company, is in Sahibzada Ajit Singh Nagar, India. Their services include Mobile & App Marketing and Web Design.
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$10,000+$50 - $99 / hr10 - 49
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Up Softing is a software development company. The Sofia, Bulgaria-based agency was established in 2023. Their team specializes in Custom Software Development and Web Development.
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$5,000+< $25 / hr10 - 49
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Catchysystem Technologies Pvt Ltd is a software development company. Launched in 2022, the team provides Custom Software Development and Microservices Architecture Services.
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$1,000+< $25 / hr10 - 49
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Nevultar Technology, a Digital Strategy company, is headquartered in Noida, India. They offer Digital Strategy and Web Design and were founded in 2024.
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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+< $25 / hr10 - 49Noida, India
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Tomaque Digital Services is a SEO services firm. The team is located in Noida, India, and their services include Search Engine Optimization and Web Development.
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$1,000+< $25 / hr2 - 9
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Established in 2019, DigiScpaes is a branding company. The team offers Branding and Social Media Marketing.
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$10,000+$150 - $199 / hr10 - 49Biel, Switzerland
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Smartfactory is a custom software development firm. Their small team is located in Biel, Switzerland and provides Custom Software Development and Web Development. The firm was established in 2013.
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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 Development75% JavaScript50% 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 -
$25,000+$50 - $99 / hr50 - 249Kraków, Poland
Ability to deliver
39.5/40.019.6/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$10,000+$50 - $99 / hr50 - 249Gliwice, Poland
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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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38.1/40.018.8/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
50% Web Development50% JavaScript50% Other -
$10,000+Undisclosed50 - 249San Francisco, CA
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39.1/40.019.8/20 Reviews9.6/10 Clients & Experience9.7/10 Market PresenceService focus
40% Web Development50% 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 -
$5,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
36.9/40.018/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$50,000+$100 - $149 / hr1,000 - 9,999San Francisco, CA
Ability to deliver
39.5/40.019.6/20 Reviews9.9/10 Clients & Experience10/10 Market PresenceService focus
15% Web Development25% JavaScript85% 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 -
$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 -
$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 -
$1,000+< $25 / hr250 - 999Boston, MA
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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
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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 -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
36.4/40.016.8/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
60% Web Development45% JavaScript40% 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 -
$50,000+$150 - $199 / hr50 - 249New York, NY
Ability to deliver
38.2/40.018.4/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
100% Web Development30% JavaScript -
$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 / hr1,000 - 9,999Plano, TX
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36.8/40.017.2/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
20% Web Development25% JavaScript80% 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 -
$10,000+$50 - $99 / hr10 - 49Warszawa, Poland
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37.5/40.018.4/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
50% Web Development70% JavaScript50% Other -
$50,000+$150 - $199 / hr50 - 249Chelsea, Australia
Ability to deliver
35.9/40.016.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$1,000+< $25 / hr1,000 - 9,999London, England
Ability to deliver
36.5/40.019.2/20 Reviews9.3/10 Clients & Experience8/10 Market PresenceService focus
20% Web Development25% JavaScript80% 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+$100 - $149 / hr50 - 249Long Beach, CA
Ability to deliver
36.2/40.018.2/20 Reviews10/10 Clients & Experience8/10 Market PresenceService focus
100% Web Development40% JavaScript
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.