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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$10,000+$50 - $99 / hr2 - 9
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StoneAge Technologies is a Boulder, Colorado-based IT strategy consulting company. The team provides IT strategy consulting and Custom Software Development.
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Undisclosed$25 - $49 / hr2 - 9Bahawalpur, Pakistan
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Uzi Labs is an UX company. In Bahawalpur, Pakistan, the company was launched in 2020. Their services include UX/UI Design and Branding.
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$1,000+$25 - $49 / hr2 - 9London, England
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William Digital is a web development company located in London, England. The team provides Web Development and Web Design.
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$1,000+$25 - $49 / hr2 - 9Tuczna, Poland
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Aviluk is an app development company established in 2020. The team focuses on Mobile App Development and Web Development and is based in Tuczna, Poland.
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$10,000+$25 - $49 / hr2 - 9
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Enterprise App Modernization company Pelisat is headquartered in Zapopan, Mexico. The team provides Enterprise App Modernization and BI & big data consulting & SI.
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$1,000+$25 - $49 / hr2 - 9Morogoro, Tanzania
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CACHESOFTECH COMPANY is a web design agency founded in 2020. Headquartered in Morogoro, Tanzania and Dar es Salaam, Tanzania, the team specializes in Web Design and Web Development.
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$5,000+$50 - $99 / hr2 - 9Petrich, Bulgaria
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Sleek Vision, a branding firm, was established in 2018. The small team provides Branding and Web Design.
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$5,000+$25 - $49 / hr2 - 9Mumbai, India
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MIS EXPERT INDIA is an IT strategy consulting company launched in 2020. The firm focuses on IT strategy consulting and IT managed services.
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Undisclosed< $25 / hr2 - 9Jamshedpur, India
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Established in 2020, Webhood Infotech is a small Jamshedpur, India-based web development firm. Their services include Web Development and Mobile App Development.
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$1,000+< $25 / hr2 - 9Surat, India
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Web development company DCODESOFT was launched in 2022. The company provides Web Development and E-Commerce Development.
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$1,000+$25 - $49 / hr2 - 9Kingston upon Thames, England
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SmartFox Web Agency, a web design agency, is located in Kingston upon Thames, England. Their services include Web Design and Web Development.
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$1,000+< $25 / hr2 - 9Bila, Ukraine
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E-Client is a small SEO agency based in Bila, Ukraine. The team provides Search Engine Optimization and Pay Per Click.
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$1,000+$25 - $49 / hr2 - 9Mawson Lakes, Australia
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Web development company Avoplus Global was launched in 2020. The team provides Web Development and Social Media Marketing and is based in Mawson Lakes, Australia.
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$1,000+$25 - $49 / hr2 - 9Hialeah, FL
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PicoSero is a SEO company based in Hialeah, Florida. Their services include Search Engine Optimization and Web Development.
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$1,000+$25 - $49 / hr2 - 9Haifa, Israel
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Branding company UXEPIC DIGITAL AGENCY is based in Haifa, Israel. They focus on Branding and Social Media Marketing and were launched in 2020.
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$10,000+Undisclosed2 - 9Valea Adâncă, Romania
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Launched in 2021, SoftwareWatch is a custom software development company. The firm focuses on Custom Software Development and IT staff augmentation.
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Undisclosed$25 - $49 / hr2 - 9Faisalabad, Pakistan
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Chawla Systems is a Picket Piece, England-based web development firm. The team specializes in Web Development and Custom Software Development.
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$1,000+$50 - $99 / hr2 - 9
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XTEALTH is an IT strategy consulting company. They specialize in IT strategy consulting and Custom Software Development and are headquartered in Patna, India and Gurugram, India.
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Undisclosed< $25 / hr2 - 9Lahore, Pakistan
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Located in Lahore, Pakistan, Muniym Technologies is a software development company. The team offers Custom Software Development and Web Development.
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$1,000+$25 - $49 / hr2 - 9Gdańsk, Poland
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Launched in 2021, Vencode is a custom software development company. The team provides Custom Software Development and Web Development and is based in Gdańsk, Poland.
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$5,000+< $25 / hr2 - 9
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Auxilium Infosys is a Kolkata, India-based website development firm. Established in 2022, the team provides Web Development and Custom Software Development.
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$1,000+$25 - $49 / hr2 - 9
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Launched in 2022, Z Softwares, a small software development firm, is located in Dar es Salaam, Tanzania. Their services include Custom Software Development and Web Development.
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$10,000+$150 - $199 / hr2 - 9
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Established in 2021, Digital Fresh is a small e-commerce development company. Their services include E-Commerce Development and Conversion Optimization.
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Undisclosed$25 - $49 / hr2 - 9Faisalabad, Pakistan
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Small web design agency AANTech, is in Faisalabad, Pakistan. The team specializes in Web Design and Web Development.
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$1,000+< $25 / hr2 - 9
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Officestep is a small web development firm headquartered in London, England and Sargodha, Pakistan. The team specializes in Web Development and E-Commerce Development.
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$1,000+$50 - $99 / hr2 - 9
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EJH Design is a small e-commerce development company launched in 1998. Their services include E-Commerce Development and Web Development.
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$5,000+< $25 / hr2 - 9
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Adhify Devworks is a small Bhaktapur, Nepal-based IT strategy consulting company. Their services include IT strategy consulting and IT staff augmentation.
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$5,000+$25 - $49 / hr2 - 9
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Launched in 2021, Aishco is a software development firm. The firm offers Custom Software Development and Web Development, and is small.
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Undisclosed< $25 / hr2 - 9Ahmedabad, India
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Wisenetic Technologies is an e-commerce development company. They are headquartered in Ahmedabad, India, and their services include E-Commerce Development and Web Development.
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$1,000+< $25 / hr2 - 9Vadodara, India
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Adept Digitals Pvt Ltd, a small Digital Strategy company, is located in Vadodara, India. Their services include Digital Strategy and Social Media Marketing.
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$5,000+$100 - $149 / hr2 - 9
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Branding company Dot Foundry is located in Pittsburgh, Pennsylvania. The team focuses on Branding and Marketing Strategy.
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$1,000+$50 - $99 / hr2 - 9Plantation, FL
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Callisto Digital Studio is a small branding agency. Established in 2022, the team offers Branding and Web Design.
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$10,000+$50 - $99 / hr2 - 9
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Bardcode is an UX design company. Their small team is located in Rogowo, Poland. Their services include UX/UI Design and BI & big data consulting & SI.
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$1,000+$100 - $149 / hr2 - 9
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Well Good Creative is a web design agency. The Wellington, New Zealand-based agency was established in 2018. Their services include Web Design and Web Development.
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$1,000+Undisclosed2 - 9London, England
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Denote Digital is a social media marketing company. They focus on Social Media Marketing and Search Engine Optimization and are located in London, England.
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Undisclosed$25 - $49 / hr2 - 9
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Launched in 2023, Dowl is a custom software development company. The team focuses on Custom Software Development and Web Design.
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Undisclosed$50 - $99 / hr2 - 9Vacoas-Phoenix, Mauritius
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Imvosa Ltd is a web design company based in Vacoas-Phoenix, Mauritius. Launched in 2012, the team specializes in Web Design and IT strategy consulting.
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$1,000+$25 - $49 / hr2 - 9
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Triad International Pvt. Ltd., an user experience design company, is based in Kathmandu, Nepal. They specialize in UX/UI Design and IT strategy consulting.
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Undisclosed< $25 / hr2 - 9Guwahati, India
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Established in 2023, ATOZDEBUG is a small UX agency in Guwahati, India. Their team offers UX/UI Design and Custom Software Development.
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$5,000+Undisclosed2 - 9Surry Hills, Australia
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Sydney Software Development is a Surry Hills, Australia-based custom software development company. They specialize in Custom Software Development and Web Development.
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$5,000+$50 - $99 / hr2 - 9
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Cagu Consulting is an IT strategy consulting company. Launched in 2022, the company is in Mexico. Their team offers IT strategy consulting and Custom Software Development.
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Undisclosed$25 - $49 / hr2 - 9
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Located in Razlog, Bulgaria, Digital Developments Ltd is a small custom software development company. Their services include Custom Software Development and Web Development.
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$25,000+$100 - $149 / hr2 - 9London, England
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Software development firm fusecup.co was established in 2022. The team provides Custom Software Development and Web Design.
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$5,000+$25 - $49 / hr2 - 9
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Web design agency Skylarc is headquartered in Lahore, Pakistan. Their services include Web Design and Low/No Code Development.
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$1,000+$25 - $49 / hr2 - 9
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Pixel Pinnacle is a Market Research company established in 2020. In London, England and Ibadan, Nigeria, the team specializes in Market Research and Digital Strategy.
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Undisclosed< $25 / hr2 - 9
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Akanila Technologies Pvt Ltd is a small website development company established in 2023. Their team specializes in Web Development and Logo.
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Undisclosed$25 - $49 / hr2 - 9
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Founded in 2018, kodestudio is a small software development company. Their team focuses on Custom Software Development and Web Development.
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Undisclosed$25 - $49 / hr2 - 9
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Codres Sp. Z o.o. Is a Rzeszów, Poland-based web development firm. They specialize in Web Development and E-Commerce Development.
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$5,000+$50 - $99 / hr2 - 9
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Avantry is an API Development company. Based in Saint Helier, Jersey and Madeira, Portugal, the firm was launched in 2019. Their team offers API Development and Custom Software Development.
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$5,000+< $25 / hr2 - 9
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Wigi Softwares is a Lagos, Nigeria-based website development firm. Founded in 2018, the team focuses on Web Development and Mobile App Development.
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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
Ability to deliver
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
Ability to deliver
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
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
Ability to deliver
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
Ability to deliver
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.