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 - 9L'viv, Ukraine
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Amp_proger is a web development firm located in L'viv, Ukraine and Łódź, Poland. Launched in 2018, the team provides Web Development and E-Commerce Development.
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$1,000+< $25 / hr2 - 9
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WebLift is an UX design agency. The small Albuquerque, New Mexico-based team offers UX/UI Design and Web Design. The firm was launched in 2023.
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$1,000+< $25 / hr2 - 9
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Web design company Knot Tech was founded in 2024. The company offers Web Design and UX/UI Design, and is small.
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$1,000+< $25 / hr2 - 9
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Vape Store Promotion, a SEO agency, was launched in 2023. In New Delhi, India and Greater Noida, India, the team specializes in Search Engine Optimization and Web Development.
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$1,000+< $25 / hr2 - 9Colombo, Sri Lanka
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TecRocket Space is a social media marketing firm. Established in 2017, the team focuses on Social Media Marketing and Search Engine Optimization.
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$1,000+$150 - $199 / hr2 - 9McKinney, TX
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Darkspire, Inc. Is an Email Marketing company. Established in 2012, their team provides Email Marketing and IT managed services.
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Undisclosed$50 - $99 / hr2 - 9Uppsala, Sweden
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Web design company Red Onion was established in 2010. The small team offers Web Design and UX/UI Design.
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$1,000+$100 - $149 / hr2 - 9Boston, MA
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Responsab LLC is a small web design agency founded in 2018. Their team specializes in Web Design and UX/UI Design.
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$1,000+$25 - $49 / hr2 - 9
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Web Features, a SEO services firm, was launched in 2015. The company offers Search Engine Optimization and Web Design, and is small.
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$1,000+$25 - $49 / hr2 - 9Chennai, India
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Trimsel is a SEO company. Founded in 2020, their team provides Search Engine Optimization and Web Development.
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$1,000+$50 - $99 / hr2 - 9
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Established in 2022, Agence web SOWebsite is a social media marketing firm. In Voiron, France, the team focuses on Social Media Marketing and Search Engine Optimization.
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$5,000+$100 - $149 / hr2 - 9
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Headquartered in Torteval, Guernsey and Belfast, Northern Ireland, U&US is a small web development firm. Their services include Web Development and Branding.
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$5,000+$25 - $49 / hr2 - 9
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Web Team is a small API Development company. They provide API Development and Web Development and were established in 2022.
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Undisclosed< $25 / hr2 - 9South Dumdum, India
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WebTechSolz , a social media marketing firm, is located in South Dumdum, India. They focus on Social Media Marketing and Search Engine Optimization and were established in 2009.
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$5,000+$25 - $49 / hr2 - 9
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Graphic design company WORKLOOPER CONSULTANTS INC. Was established in 2023. The firm focuses on Graphic Design and Branding, and is small.
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$1,000+< $25 / hr2 - 9Ahmedabad, India
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Probus-Digital-Marketing is a web design agency established in 2020. The agency provides Web Design and Web Development, and is small.
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$10,000+$50 - $99 / hr2 - 9Timișoara, Romania
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OrderIntended is a branding agency. Their team is headquartered in Timișoara, Romania and offers Branding and Product Design.
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$5,000+$25 - $49 / hr10 - 49Hyderabad, India
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DSK Solutions, an user experience company, offers UX/UI Design and Custom Software Development. The company is in Hyderabad, India.
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$1,000+$25 - $49 / hr2 - 9Crestwood, KY
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Headquartered in Crestwood, Kentucky, Design Web Louisville is a small website development company. Their services include Web Development and Web Design.
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$1,000+$25 - $49 / hr250 - 999Koh Thom, Cambodia
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Khmer Gaming Software Solution Co. Ltd is a midsize custom software development firm established in 2014. Their team specializes in Custom Software Development and Mobile App Development.
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$5,000+$50 - $99 / hr2 - 9Winter Springs, FL
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Headquartered in Winter Springs, Florida, Clarity Creative Group is a small web design company. Their services include Web Design and Search Engine Optimization.
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$5,000+$100 - $149 / hr2 - 9Shibuya City, Japan
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User experience design agency Bento Graphics Inc is located in Shibuya City, Japan. They specialize in UX/UI Design and Branding and were founded in 2006.
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$1,000+$25 - $49 / hr2 - 9Viterbo, Italy
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Buyigfollower.uk is a small social media marketing company headquartered in Lytchett Matravers, England and Viterbo, Italy. The team focuses on Social Media Marketing and Web Development.
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$10,000+$25 - $49 / hr2 - 9
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Elisoft Solutions, a SEO services firm, focuses on Search Engine Optimization and Web Design. The firm is in Addis Ababa, Ethiopia.
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Undisclosed< $25 / hr10 - 49Gandhinagar, India
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See all 1 projectsSamaj Infotech provides back-end software engineering, graphic design, and quality assurance services. Their clients commend them for their professionalism, effective project management, and ability to meet or exceed expectations. Reviews highlight their capability to deliver innovative, cost-effective solutions while maintaining strong communication despite time zone differences.
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Undisclosed$50 - $99 / hr10 - 49
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Launched in 2000, IT Enterprise, a small e-commerce development firm, is headquartered in London, England. Their services include E-Commerce Development and Mobile App Development.
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$1,000+< $25 / hr10 - 49Madurai, India
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Abservetech Private Limited, a custom software development firm, is based in Madurai, India. They provide Custom Software Development and E-Commerce Development.
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$5,000+$100 - $149 / hr10 - 49Minneapolis, MN
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Internet Exposure is an app development firm headquartered in Minneapolis, Minnesota. Their services include Mobile App Development and Search Engine Optimization.
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$5,000+$50 - $99 / hr10 - 49Vilnius, Lithuania
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Based in Vilnius, Lithuania, IDEA is an UX design company. Launched in 2003, the team focuses on UX/UI Design and E-Commerce Development.
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$1,000+$50 - $99 / hr10 - 49Chicago, IL
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Founded in 2003, Rockstar Coders is a custom software development firm. The team specializes in Custom Software Development and Mobile App Development and is in Chicago, Illinois.
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$10,000+$50 - $99 / hr10 - 49Houston, TX
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Established in 2003, Decide Consulting is a small Houston, Texas-based IT staff augmentation company. Their services include IT staff augmentation and Custom Software Development.
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$5,000+$100 - $149 / hr10 - 49
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Small web design company WUX, is in Cuijk, Netherlands and Maastricht, Netherlands. The team provides Web Design and UX/UI Design.
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$10,000+$100 - $149 / hrFreelancerBirmingham, England
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Launched in 2011, James Dowen is a website development company. The team focuses on Web Development and Custom Software Development and is located in Birmingham, England.
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$100,000+$50 - $99 / hr50 - 249Johannesburg, South Africa
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Platform45 is an user experience design company launched in 2008. The company focuses on UX/UI Design and Product Design.
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$1,000+$25 - $49 / hr2 - 9
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AlexDx is a web design company. Founded in 2013, the company is based in Saguenay, Canada. Their services include Web Design and Graphic Design.
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Undisclosed$25 - $49 / hr10 - 49Pune, India
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See all 13 projectsWelcome to Associative, a premier software development firm headquartered in Pune, Maharashtra, India. Established on February 1, 2021, we are a team of dedicated innovators, problem-solvers, and IT
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$5,000+$25 - $49 / hr10 - 49Odesa, Ukraine
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Cloud consulting & SI company Adimen was established in 2018. Based in Odesa, Ukraine, the team provides cloud consulting & SI and Artificial Intelligence.
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$10,000+< $25 / hr2 - 9
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Social media marketing company Tempatkita Software is in. The team offers Social Media Marketing and Search Engine Optimization.
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$5,000+$50 - $99 / hr2 - 9Karachi, Pakistan
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Saynin Tech is a Digital Strategy company. Their small team is based in Karachi, Pakistan and provides Digital Strategy and Graphic Design. The company was founded in 2024.
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$1,000+$25 - $49 / hr2 - 9Sukkur, Pakistan
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Small software development firm Veta AI, is in Sukkur, Pakistan. The team provides Custom Software Development and Web Development.
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$1,000+$25 - $49 / hr2 - 9
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DigiTechMatrix is a social media marketing agency. The small Noida, India-based team specializes in Social Media Marketing and Custom Software Development. The company was founded in 2024.
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$5,000+$50 - $99 / hr2 - 9Stockport, England
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Enterprise App Modernization company BossLabs was founded in 2020. Located in Stockport, England, the team specializes in Enterprise App Modernization and Web Development.
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$5,000+$25 - $49 / hr10 - 49
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VEXO Labs, an AI development company, was launched in 2021. The team offers Artificial Intelligence and Web Development and is located in Soham, England.
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$5,000+$50 - $99 / hr10 - 49Pyrmont, Australia
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Webski Solutions, a web design agency, was established in 2002. The agency provides Web Design and UX/UI Design, and is small.
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$10,000+$25 - $49 / hr10 - 49
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Coded Lines Ltd, an UX agency, was established in 2018. They offers UX/UI Design and Mobile App Development.
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$1,000+$50 - $99 / hr10 - 49Islamabad, Pakistan
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Based in Islamabad, Pakistan, Z Media Technologies is a SEO company. They provide Search Engine Optimization and Web Design.
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Undisclosed$25 - $49 / hr2 - 9
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DGedits Web Solution is a web design company. They are in Piliyandala, Sri Lanka and have small team. They provide Web Design and UX/UI Design.
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$1,000+$25 - $49 / hr2 - 9Pune, India
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Application development company Aasa Technologies was founded in 2016. The team specializes in Mobile App Development and Web Development and is in Pune, India.
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$5,000+$50 - $99 / hr10 - 49Dhaka, Bangladesh
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ThemeLooks Ltd. Is a web design agency. Headquartered in Dhaka, Bangladesh, the firm was founded in 2014. Their team provides Web Design and UX/UI Design.
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$1,000+$25 - $49 / hr2 - 9Cairo, Egypt
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Headquartered in Cairo, Egypt, Vatoce is a custom software development firm. Launched in 2018, the team offers Custom Software Development and Other Application Development.
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At Clutch, we believe trust is the foundation of every business relationship. Our mission is to help buyers make confident, data-backed decisions informed by real client experiences.
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- In-depth client interviews and ratings
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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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$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
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
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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
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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.