Top JavaScript Developers
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Featured
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$5,000+$25 - $49 / hr50 - 249London, EnglandServices provided
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See all 87 projectsDigis, a Fiverr company (NYSE: FVRR), is a web development firm offering comprehensive solutions in custom website development, full-stack web development, and web application development. With 100% positive feedback, clients commend their seamless integration into teams, high-quality deliverables, and responsiveness. Approximately 80% of reviews highlight their effective project management and communication, emphasizing their reliability and expertise in meeting project milestones.
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$5,000+$100 - $149 / hr10 - 49Worcester, MA
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User experience agency ERI Design was founded in 2005. The agency focuses on UX/UI Design and Web Development, and is small.
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$5,000+< $25 / hr10 - 49South Jakarta, Indonesia
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Altermyth is an application development company. They focus on Mobile App Development and Web Development and were launched in 2003. The company is located in South Jakarta, Indonesia.
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$10,000+$100 - $149 / hr10 - 49Westhoughton, England
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Statuo is a pay per click agency. They focus on Pay Per Click and Web Design and are located in Westhoughton, England.
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$10,000+$150 - $199 / hr10 - 49New York, NY
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Computer Lab is a big data company headquartered in New York, New York. They provide BI & big data consulting & SI and Blockchain.
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$5,000+$100 - $149 / hr10 - 49Portland, ME
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SEO company Page One Web Solutions was established in 2006. The team focuses on Search Engine Optimization and Web Development.
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$5,000+$150 - $199 / hr10 - 49Kingston, Australia
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Swell Design is a small branding firm. They provide Branding and Web Development and were established in 1997.
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UndisclosedUndisclosed10 - 49Auckland, New Zealand
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BBT - Digital Agency & Software Development is a web design company. In Auckland, New Zealand, the team offers Web Design and Custom Software Development.
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$10,000+Undisclosed10 - 49Amman, Jordan
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Spring Technologies is an application development firm. The team provides Mobile App Development and Web Development and is based in Amman, Jordan.
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Undisclosed< $25 / hr10 - 49Mumbai, India
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Noesis Technologies, an e-commerce development firm, is in Mumbai, India. Founded in 2010, the team focuses on E-Commerce Development and Web Development.
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$1,000+$25 - $49 / hr2 - 9Makati, Philippines
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TL;DR OPC is an Email Marketing company. The Makati, Philippines-based agency was founded in 2020. Their services include Email Marketing and Digital Strategy.
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$5,000+$100 - $149 / hr10 - 49Virginia Beach, VA
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Software development company ByteJam is in Virginia Beach, Virginia. They specialize in Custom Software Development and E-Commerce Development.
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$1,000+$50 - $99 / hr2 - 9Southend-on-Sea, England
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Based in Southend-on-Sea, England, Bug Media is a small web development firm. The team offers Web Development and E-Commerce Development.
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$1,000+$25 - $49 / hr2 - 9Sangamner, India
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Cambridge Digital Marketing is a small Sangamner, India-based web development company. The team focuses on Web Development and Search Engine Optimization.
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Undisclosed< $25 / hr10 - 49Serampore, India
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Technokrats, a website development firm, is in Serampore, India. Established in 2015, the team focuses on Web Development and Search Engine Optimization.
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$1,000+$25 - $49 / hr10 - 49Pattaya City, Thailand
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Founded in 2014, Awcode is a web development company. The team offers Web Development and Custom Software Development.
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$10,000+$150 - $199 / hr10 - 49Lahore, Pakistan
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XtremeDigits is an user experience design agency. Their small team is in Lahore, Pakistan and Martinez, California. Their services include UX/UI Design and Custom Software Development.
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$5,000+$50 - $99 / hr10 - 49Wrocław, Poland
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MoreFromIT is an application development company. Established in 2016, the team focuses on Mobile App Development and Web Development.
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$5,000+$100 - $149 / hr10 - 49Petaling Jaya, Malaysia
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E-commerce development company O2O Digital was launched in 2009. The team provides E-Commerce Development and Web Design.
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$5,000+$50 - $99 / hr2 - 9
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Website development firm Desarol LLC is in Cheyenne, Wyoming. The team focuses on Web Development and UX/UI Design.
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$1,000+$50 - $99 / hr2 - 9
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Creative Nobody is a website development firm established in 2023. The agency provides Web Development and Search Engine Optimization, and is small.
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UndisclosedUndisclosed10 - 49Dublin, Ireland
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Communicraft is a web design agency. They specialize in Web Design and Web Development and were launched in 2001. The firm is headquartered in Dublin, Ireland.
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$10,000+$25 - $49 / hr2 - 9Barreiro, Portugal
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See all 1 projectsQuila provides software development services, particularly in fintech platform design and deployment, with a focus on market research, platform development, user experience design, and analytics tools. The reviews highlight Quila's outstanding project management, timely deliveries, and high user satisfaction, showcasing their commitment to exceeding client expectations and enhancing operational efficiency.
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$1,000+< $25 / hr10 - 49Surat, India
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Founded in 2021, Jyoti Technosoft LLP is a custom software development company. Based in Surat, India and Surat, India, the team offers Custom Software Development and Web Development.
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$10,000+$25 - $49 / hr2 - 9Lahore, Pakistan
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Devtron Genesis is an e-commerce development company. Their team is located in Lahore, Pakistan and Jonsvannsveien, Norway. The company specializes in E-Commerce Development and Web Development.
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$5,000+$50 - $99 / hr2 - 9New Delhi, India
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UX Design Experts is an user experience agency. Their team is based in New Delhi, India and Minneapolis, Minnesota and specializes in UX/UI Design and Search Engine Optimization.
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Undisclosed$25 - $49 / hr2 - 9Suceava, Romania
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4each is an IT staff augmentation company. They are located in Aarschot, Belgium and Suceava, Romania and have small team. Their services include IT staff augmentation and Custom Software
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Undisclosed$25 - $49 / hrFreelancer
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KS WEB is a London, England-based web design agency. They focus on Web Design and Web Development.
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$10,000+$25 - $49 / hr10 - 49Jaipur, India
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See all 3 projectsLogin2Design Technologies specializes in Website Development and Web Design, offering comprehensive services from design to testing and troubleshooting. Their reviews highlight a strong commitment to project ownership and timely delivery, with clients expressing satisfaction with their pricing and alignment with company values. Overall, clients appreciate the great value and cultural fit provided by the company.
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$1,000+$150 - $199 / hr2 - 9Durham, NH
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Left Hook Digital is a Durham, New Hampshire-based custom software development company. Their services include Custom Software Development and Other Application Development.
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$1,000+< $25 / hr2 - 9Beograd, Serbia
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Launched in 2016, Lucky Web Solutions is a small web development company. Their services include Web Development and Web Design.
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$25,000+$150 - $199 / hr2 - 9Chicago, IL
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Branding agency FlyDesign is based in Chicago, Illinois. They specialize in Branding and Web Design and were launched in 2002.
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$5,000+$100 - $149 / hr2 - 9Vilnius, Lithuania
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Puslapiai verslui is a Vilnius, Lithuania-based web design agency. Their services include Web Design and Web Development.
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$1,000+< $25 / hr2 - 9
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Launched in 2015, Ngage Studios is an e-commerce development company and web development firm. The agency provides E-Commerce Development and Web Development.
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$1,000+$50 - $99 / hr2 - 9Berwick upon Tweed, England
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Web design agency Strive Digital provides Web Design and Web Development. They were founded in 2016.
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Undisclosed$50 - $99 / hr2 - 9Utrecht, Netherlands
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Small web design company Maintain Design, is based in Utrecht, Netherlands. The team provides Web Design and Branding.
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$1,000+< $25 / hr2 - 9Jodhpur, India
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Jifftech is an user experience agency. The small Jodhpur, India-based team offers UX/UI Design and E-Commerce Development. The firm was established in 2011.
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$5,000+$50 - $99 / hr2 - 9Constanța, Romania
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Studio78, an UX agency, was established in 2010. The team provides UX/UI Design and Web Development and is headquartered in Constanța, Romania.
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UndisclosedUndisclosed2 - 9Lucknow, India
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Small branding agency Minimal Tweaks, is headquartered in Lucknow, India. The team focuses on Branding and Digital Strategy.
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$1,000+$25 - $49 / hr2 - 9Karachi, Pakistan
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TeknoFlair is a website development company. Their small team is located in Karachi, Pakistan. Their services include Web Development and Web Design.
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$5,000+$50 - $99 / hr2 - 9Bournemouth, England
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Small e-commerce development company JD Ecommerce, is in Bournemouth, England. The team provides E-Commerce Development and Conversion Optimization.
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$10,000+Undisclosed2 - 9Arlington, VA
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Exobyte is an e-commerce development firm. They are located in Arlington, Virginia and have small team of experts. Their services include E-Commerce Development and UX/UI Design.
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$1,000+$25 - $49 / hr2 - 9
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Integral Web Designs, a web design agency, was established in 2020. In Sofia, Bulgaria, the team focuses on Web Design and Search Engine Optimization.
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$10,000+$100 - $149 / hr2 - 9Leeds, England
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Madeby.studio is a Digital Strategy company. The team is based in Leeds, England, and their services include Digital Strategy and Web Design.
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$1,000+$50 - $99 / hr2 - 9
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HummingbirdUK, a small web development company, is based in West Haddlesey, England. Their services include Web Development and Web Design.
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$1,000+< $25 / hr2 - 9New Delhi, India
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Smart Owl Info Systems, a web design company, provide Web Design and Web Development. They were launched in 2022.
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$1,000+$25 - $49 / hr2 - 9Kaunas, Lithuania
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E-CLOUD is a web development firm. They are located in Kaunas, Lithuania and have small team. They focus on Web Development and E-Commerce Development.
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$10,000+$100 - $149 / hr2 - 9Birmingham, England
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Launched in 2008, PretaGov, a small software development company and website development firm, is located in Birmingham, England. Their team offers Custom Software Development and Web Development.
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$1,000+$100 - $149 / hr2 - 9Washington, DC
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Mukava is a Washington, District of Columbia-based web development firm. They offer Web Development and Web Design.
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$5,000+$25 - $49 / hr2 - 9Flensburg, Germany
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IT & Softwarebüro Nitichevski is a web design company. Based in Flensburg, Germany, the agency offers Web Design and UX/UI Design.
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$1,000+< $25 / hr10 - 49Rawalpindi, Pakistan
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Lightning IT Solution is a web development company. Founded in 2019, the company is located in Rawalpindi, Pakistan. Their team provides Web Development and Social Media Marketing.
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This data powers tools like the Leaders Matrix, which helps you compare agencies directly. Our research team curates rankings by weighing verified reviews most heavily, so the most trusted and experienced providers rise to the top.
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List of the Top 15 JavaScript Development Companies
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$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
50% Web Development70% JavaScript50% Other -
$25,000+$50 - $99 / hr50 - 249Kraków, Poland
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$75,000+$100 - $149 / hr50 - 249Vancouver, Canada
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
90% Web Development50% JavaScript10% Other -
$10,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.4/40.019.6/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
45% Web Development60% JavaScript55% Other -
$10,000+< $25 / hr250 - 999Thiruvananthapuram, India
Ability to deliver
37.7/40.018.4/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
50% Web Development50% JavaScript50% Other -
$10,000+Undisclosed50 - 249San Francisco, CA
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38.9/40.019.6/20 Reviews9.6/10 Clients & Experience9.7/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$10,000+$50 - $99 / hr50 - 249Montevideo, Uruguay
Ability to deliver
39.3/40.019.8/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
50% Web Development35% JavaScript50% Other -
$50,000+$100 - $149 / hr1,000 - 9,999San Francisco, CA
Ability to deliver
39.9/40.020/20 Reviews9.9/10 Clients & Experience10/10 Market PresenceService focus
15% Web Development25% JavaScript85% Other -
$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 -
$25,000+$25 - $49 / hr50 - 249Newark, DE
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
40% Web Development35% JavaScript60% Other -
$10,000+$50 - $99 / hr50 - 249Kuala Lumpur, Malaysia
Ability to deliver
39.3/40.020/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
30% Web Development70% JavaScript70% Other -
$5,000+$50 - $99 / hr50 - 249Chicago, IL
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
35% Web Development40% JavaScript65% Other -
$10,000+$25 - $49 / hr250 - 999San Francisco, CA
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
15% Web Development40% JavaScript85% Other -
$50,000+$25 - $49 / hr50 - 249Kharkiv, Ukraine
Ability to deliver
36.8/40.017/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
45% Web Development50% JavaScript55% Other -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
36.8/40.017.2/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$1,000+< $25 / hr250 - 999Walpole, MA
Ability to deliver
35.9/40.016.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
40% Web Development35% JavaScript60% Other -
$50,000+$50 - $99 / hr1,000 - 9,999L'viv, Ukraine
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38.8/40.019/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
21% Web Development18% JavaScript79% Other -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
37.2/40.018.2/20 Reviews10/10 Clients & Experience9/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$25,000+$50 - $99 / hr1,000 - 9,999New York, NY
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Web Development33% JavaScript90% Other -
$10,000+$25 - $49 / hr250 - 999New York, NY
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
30% Web Development15% JavaScript70% Other -
$10,000+< $25 / hr250 - 999Kolkata, India
Ability to deliver
36.3/40.019/20 Reviews9/10 Clients & Experience8.4/10 Market PresenceService focus
35% Web Development30% JavaScript65% Other -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
65% Web Development20% JavaScript35% Other -
$10,000+$25 - $49 / hr1,000 - 9,999Plano, TX
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36.9/40.017.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$50,000+$150 - $199 / hr50 - 249Matlock, England
Ability to deliver
38.2/40.018.4/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
100% Web Development30% JavaScript -
$1,000+< $25 / hr1,000 - 9,999Los Angeles, CA
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36.9/40.019.6/20 Reviews9.3/10 Clients & Experience8/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$10,000+$50 - $99 / hr10 - 49Warszawa, Poland
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37.8/40.018.6/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
50% Web Development70% JavaScript50% Other -
$50,000+$150 - $199 / hr50 - 249New York, NY
Ability to deliver
35.9/40.016.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$50,000+$150 - $199 / hr250 - 999Irvine, CA
Ability to deliver
36.4/40.016.4/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
30% Web Development30% JavaScript70% Other -
$10,000+< $25 / hr250 - 999Hanoi, Vietnam
Ability to deliver
37.9/40.018.6/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
30% Web Development21% JavaScript70% Other -
$100,000+$25 - $49 / hr250 - 999Cebu City, Philippines
Ability to deliver
38.1/40.019.4/20 Reviews10/10 Clients & Experience8.7/10 Market PresenceService focus
30% Web Development20% JavaScript70% Other
Top JavaScript Development Agencies
A JavaScript development company designs, builds, and maintains software products that rely on JavaScript across the stack. Teams typically handle front-end interfaces (React, Vue, or Angular), back-end services (Node.js, Express, NestJS), and database integrations. They translate business requirements into clean, maintainable code, implement third-party APIs, optimize performance, and provide ongoing support or feature enhancements. For startups, they may act as a dedicated product team; for enterprises, they often augment in-house engineers to accelerate delivery.
Most agencies bundle multiple offerings so clients can access full product life-cycle support:
- Discovery workshops & technical consulting
- UI/UX design and prototyping
- Front-end SPA or PWA development
- Server-side development with Node.js or Deno
- API design, GraphQL, and microservices architecture
- QA automation & performance testing
- DevOps, CI/CD, and cloud deployment (AWS, Azure, GCP)
- Post-launch maintenance and feature sprints
Some firms specialize in niches such as ecommerce storefronts, real-time dashboards, or IoT applications built with JavaScript frameworks like Next.js or Svelte.
Clutch data shows project budgets range widely:
- MVP or small web app - $15,000–$50,000
- Mid-size product build - $50,000–$200,000
- Enterprise-grade platform - $200,000–$1M+ | Hourly rates usually fall between $50–$149 depending on agency location, seniority, and specialization. Expect higher rates for U.S.-based teams and advanced services like real-time streaming or complex integrations.
- Align expertise: Verify experience with your required stack (e.g., React Native, TypeScript, serverless).
- Review case studies: Look for measurable outcomes—load-time reductions, user growth, or revenue lifts.
- Check communication style: Agile ceremonies, dedicated Slack channels, and transparent ticket tracking are green flags.
- Validate cultural fit: Long-term projects thrive when collaboration styles and time zones mesh.
- Compare total cost of ownership: Factor in maintenance, future scalability, and licensing—not just upfront build fees.
Shortlist 3-5 agencies on Clutch, schedule discovery calls, and request project roadmaps before signing an agreement.
- Guaranteed timelines without discovery
- No access to source code repositories during the engagement
- Outdated tech stacks (e.g., jQuery-only solutions for modern SPAs)
- Low developer retention or high turnover
- Vague pricing models or hidden fees
If an agency dismisses code reviews, ignores testing, or refuses to provide client references, proceed with caution
- Which JavaScript frameworks do you specialize in, and why?
- Can you walk me through a recent project with similar complexity?
- How do you ensure code quality—linting, peer reviews, automated tests?
- What is your approach to scalability and performance optimization?
- How will we communicate and track progress (tools, meeting cadence)?
- Who owns the intellectual property and source code upon project completion?
Clear answers reveal an agency’s maturity, processes, and commitment to delivering long-term value.
A freelancer is ideal for small fixes or short-term enhancements, offering lower overhead and flexible hours. Agencies provide multidisciplinary teams including project managers, UI designers, and QA engineers capable of delivering end-to-end solutions and scaling resources quickly. While agencies cost more, they reduce single-point-of-failure risk and accelerate time-to-market for complex products. How do JavaScript firms measure ROI? Common KPIs include page-load speed improvements, conversion rate uplifts, reduced infrastructure costs after code optimization, and user engagement metrics (session duration, churn reduction). Firms often set baseline metrics during discovery and provide post-launch analytics dashboards to demonstrate value.
Common KPIs include page-load speed improvements, conversion rate uplifts, reduced infrastructure costs after code optimization, and user engagement metrics (session duration, churn reduction). Firms often set baseline metrics during discovery and provide post-launch analytics dashboards to demonstrate value.