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+< $25 / hr250 - 999Hyderabad, India
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Ecosleek Tech Private Limited, a software development firm, is headquartered in Hyderabad, India. Launched in 2020, the team offers Custom Software Development and Mobile App Development.
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$1,000+< $25 / hr10 - 49Kyiv, Ukraine
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Launched in 2018, webromance, a small custom software development firm, is headquartered in Kyiv, Ukraine. Their services include Custom Software Development and Web Development.
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$10,000+$50 - $99 / hr10 - 49Lince, Peru
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Starter is an app development company. The team provides Mobile App Development and Web Development and is located in Lince, Peru.
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$1,000+$100 - $149 / hr2 - 9
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Founded in 2011, KESHANDE Technology is a web design company. The company focuses on Web Design and UX/UI Design.
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Undisclosed< $25 / hr50 - 249Oak Park, CA
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WordpressIntegration, an user experience agency, was launched in 2004. They offers UX/UI Design and E-Commerce Development.
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$1,000+< $25 / hr50 - 249Nashik, India
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Founded in 2013, MaMo TechnoLabs is a website development firm. The midsize team provides Web Development and Mobile App Development.
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$25,000+$300+ / hr50 - 249Paris, France
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Headquartered in Paris, France and Nantes, France, Galadrim is a midsize SEO services firm. Their services include Search Engine Optimization and Web Design.
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UndisclosedUndisclosed50 - 249Mumbai, India
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Sassy Infotech Private Limited, a SEO services firm, specialize in Search Engine Optimization and Web Design. They were established in 2011.
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UndisclosedUndisclosed10 - 49Maringá, Brazil
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Headquartered in Maringá, Brazil, Ilios Sistemas is a web development firm. The team specializes in Web Development and Mobile App Development.
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$5,000+$50 - $99 / hr2 - 9Elsene, Belgium
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BeLead is an UX company. Based in Elsene, Belgium, their small team provides UX/UI Design and Branding. The agency was founded in 2009.
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$1,000+Undisclosed2 - 9Al Kuwayt, Kuwait
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Expanda AI is a web design agency headquartered in Al Kuwayt, Kuwait. Their services include Web Design and Web Development.
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Undisclosed< $25 / hr10 - 49Pune, India
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See all 1 projectsSmartScripts Private Limited specializes in Website Development, Web Design, and digital marketing, with a focus on tailored web solutions for franchise management. Reviews highlight their effective project management and alignment with business requirements, emphasizing their competitive pricing and personalized support. Clients note timely delivery and commend the company's ability to understand and fulfill client needs effectively.
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Undisclosed$25 - $49 / hr2 - 9Vejen, Denmark
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See all 1 projectsNet Cats Agency specializes in Web Development, Web Design, and SEO-friendly web solutions. Their reviews highlight consistent project success, timely delivery, and trustworthy service. Clients noted significant increases in web traffic post-launch, indicating enhanced visibility and user engagement.
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$25,000+$100 - $149 / hr10 - 49Chicago, IL
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Thirdwave, LLC is a web development company. They are located in Chicago, Illinois and have small team. They offer Web Development and Custom Software Development.
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$1,000+< $25 / hr2 - 9Mumbai, India
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Phaino IT Solutions is a website development firm. The Mumbai, India-based company was founded in 2018. Their services include Web Development and Web Design.
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$10,000+$50 - $99 / hr50 - 249Kloten, Switzerland
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WellDev, a software development firm, is located in Kloten, Switzerland and Dhaka, Bangladesh. The team focuses on Custom Software Development and IT staff augmentation.
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$1,000+$25 - $49 / hr10 - 49Surat, India
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Einzigartige, a web development firm, is headquartered in Surat, India and Ahmedabad, India. They specialize in Web Development and Web Design and were founded in 2019.
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$25,000+$50 - $99 / hr2 - 9london, England
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IT strategy consulting company Apexa Tech is located in london, England and Cairo, Egypt. They specialize in IT strategy consulting and Custom Software Development.
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$1,000+< $25 / hr50 - 249
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Thrivepix LLC is a web design company launched in 2019. The firm focuses on Web Design and Web Development.
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$25,000+$150 - $199 / hr10 - 49Miami, FL
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Wayfinder, an user experience design company, was founded in 2004. The firm specializes in UX/UI Design and Web Design, and is small.
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$25,000+$100 - $149 / hr10 - 49Charlecote, England
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Studio Republic is a web design company. The team is in Charlecote, England, and their services include Web Design and Web Development.
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$1,000+< $25 / hr10 - 49Dhaka, Bangladesh
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Established in 2020, Texon Limited is a custom software development firm. The team focuses on Custom Software Development and Web Development.
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$10,000+$50 - $99 / hr2 - 9Rotterdam, Netherlands
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Tabs & Spaces is a website development firm established in 2018. The team provides Web Development and Mobile App Development and is located in Rotterdam, Netherlands.
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$10,000+< $25 / hr10 - 49Yerevan, Armenia
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DiNeuron is a Yerevan, Armenia-based website development firm. Their services include Web Development and Mobile App Development.
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Undisclosed$50 - $99 / hr10 - 49Frankfurt am Main, Germany
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UWS Software Service Ltd. Is a software development company located in Dublin, Ireland and Frankfurt am Main, Germany. They focus on Custom Software Development and Web Development.
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$10,000+$100 - $149 / hr10 - 49
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Osynlig, an UX design agency, is located in New Zealand. Founded in 2006, the team offers UX/UI Design and Web Development.
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$1,000+$50 - $99 / hr10 - 49
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See all 2 projectsTriple One Studio specializes in website development and the creation of animation and video ads. Reviews highlight their efficiency, professionalism, and effective communication, with clients appreciating the timely delivery and quality of their work. The company is praised for its customer-centric approach and after-service, resulting in successful client projects and increased business opportunities.
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$1,000+Undisclosed2 - 9
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Based in Atlanta, Georgia, stradX is a small website development firm. The team offers Web Development and Custom Software Development.
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$1,000+$50 - $99 / hr2 - 9Newquay, England
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Built By Cactus is a website development company founded in 2016. The company offers Web Development and Mobile App Development.
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$5,000+$25 - $49 / hr2 - 9Sheffield, England
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Website development firm Insurteched Web Development is based in Sheffield, England. They specialize in Web Development and Web Design.
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$10,000+$25 - $49 / hr10 - 49Bratislava, Slovakia
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Website development company Union Smart Technology is based in Bratislava, Slovakia. Launched in 2019, the team focuses on Web Development and Custom Software Development.
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$1,000+$100 - $149 / hr2 - 9Nunn, CO
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Founded in 2000, Branded Pixel, a small SEO company, is located in Nunn, Colorado. Their services include Search Engine Optimization and Web Design.
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$5,000+$25 - $49 / hr50 - 249
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See all 1 projectsDesigner's ID | Top-rated Web Development Company specializes in web development and web design, offering customized solutions tailored to client needs. Clients commend their professionalism, effective communication, and innovative approach, highlighting their expertise in website development and SEO. Their commitment to timely project delivery and attention to detail makes them highly recommended for anyone seeking quality web programming and online development services.
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$10,000+$50 - $99 / hr10 - 49
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Located in Beverly Hills, California, SDH Digital Solutions is a small custom software development company. Their services include Custom Software Development and Mobile App Development.
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$1,000+$50 - $99 / hr10 - 49Los Angeles, CA
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See all 2 projectsZentexx – Your Digital Growth Partner At Zentexx, we don’t just design digital products—we craft experiences that move people and grow businesses. Our approach goes beyond pixels
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$1,000+$100 - $149 / hr10 - 49Ho Chi Minh City, Vietnam
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Established in 2015, Spider, a small web development company, is located in Ho Chi Minh City, Vietnam. Their team offers Web Development and Custom Software Development.
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$5,000+$25 - $49 / hr10 - 49Kharkiv, Ukraine
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CodeAssembly is an IT staff augmentation company. Based in Kharkiv, Ukraine, the agency offers IT staff augmentation and Web Development.
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$5,000+$50 - $99 / hr10 - 49Jihlava, Czech Republic
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Commity is a small Jihlava, Czech Republic-based website development firm. Their services include Web Development and Mobile App Development.
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$10,000+$25 - $49 / hr10 - 49
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ITSDev is a website development company. Established in 2018, the team provides Web Development and Mobile App Development.
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Undisclosed$50 - $99 / hr10 - 49Anagalapura, India
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Everything Flow Agency is an Anagalapura, India-based website development firm. Established in 2021, the team provides Web Development and Web Design.
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$1,000+$50 - $99 / hr2 - 9Skoczów, Poland
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Iconbrand is a website development firm. The Skoczów, Poland-based agency was founded in 2016. Their team specializes in Web Development and Web Design.
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$1,000+$50 - $99 / hr2 - 9Bristol, CT
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Sullivan+Wolf Design, LLC, a small web development firm, is headquartered in Bristol, Connecticut. Their services include Web Development and Web Design.
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$1,000+< $25 / hr2 - 9Pune, India
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Thinksprout Infotech, a website development company, was launched in 2017. They provides Web Development and E-Commerce Development.
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$5,000+$50 - $99 / hrFreelancerBedford, England
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Freestyle Internet, a website development firm, is located in Bedford, England. Launched in 2003, the team focuses on Web Development and Digital Strategy.
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$1,000+$50 - $99 / hr50 - 249Mumbai, India
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Established in 2010, DivBox is a midsize website development firm headquartered in Mumbai, India. Their team specializes in Web Development and Mobile App Development.
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$5,000+$25 - $49 / hr50 - 249Kyiv, Ukraine
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Software development company Remarkable Technology was established in 2015. The midsize team offers Custom Software Development and Artificial Intelligence.
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Undisclosed$25 - $49 / hr10 - 49
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SEO company White Zone Media was founded in 2025. In Alwar, India, the team specializes in Search Engine Optimization and Web Development.
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$5,000+$50 - $99 / hr10 - 49Pune, India
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SCIVERSE SOLUTIONS PRIVATE LIMITED, a custom software development firm, was founded in 2022. They focuses on Custom Software Development and Artificial Intelligence.
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$25,000+$25 - $49 / hr10 - 49Yerevan, Armenia
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Be.next is a web development firm. Their team is based in Yerevan, Armenia and focuses on Web Development and Web Design.
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$10,000+$50 - $99 / hr10 - 49Warszawa, Poland
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24hour.dev, a web development firm, is in San Francisco, California and Warszawa, Poland. Founded in 2015, the team provides Web Development and Mobile App Development.
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Get My MatchesWhy Trust Clutch
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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We evaluate service providers using a structured methodology that combines:
- In-depth client interviews and ratings
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- Market presence
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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
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
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36.9/40.017.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$10,000+$50 - $99 / hr250 - 999Marlborough, MA
Ability to deliver
38.7/40.019/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
25% Web Development25% JavaScript75% Other -
$100,000+$25 - $49 / hr250 - 999Cebu City, Philippines
Ability to deliver
38.7/40.020/20 Reviews10/10 Clients & Experience8.7/10 Market PresenceService focus
30% Web Development20% JavaScript70% Other -
$10,000+$25 - $49 / hr250 - 999New York, NY
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
28% Web Development15% JavaScript72% Other -
$50,000+$150 - $199 / hr50 - 249Matlock, England
Ability to deliver
37.8/40.018/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
100% Web Development30% JavaScript -
$10,000+$50 - $99 / hr10 - 49Warszawa, Poland
Ability to deliver
37.3/40.018.2/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
50% Web Development70% JavaScript50% Other -
$50,000+$50 - $99 / hr1,000 - 9,999L'viv, Ukraine
Ability to deliver
38/40.018.2/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
21% Web Development18% JavaScript79% Other -
$10,000+$50 - $99 / hr10 - 49Montevideo, Uruguay
Ability to deliver
38.3/40.019.4/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$50,000+$150 - $199 / hr250 - 999Irvine, CA
Ability to deliver
36.2/40.016.2/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
30% Web Development30% JavaScript70% Other
Top JavaScript Development Agencies
A JavaScript development company designs, builds, and maintains software products that rely on JavaScript across the stack. Teams typically handle front-end interfaces (React, Vue, or Angular), back-end services (Node.js, Express, NestJS), and database integrations. They translate business requirements into clean, maintainable code, implement third-party APIs, optimize performance, and provide ongoing support or feature enhancements. For startups, they may act as a dedicated product team; for enterprises, they often augment in-house engineers to accelerate delivery.
Most agencies bundle multiple offerings so clients can access full product life-cycle support:
- Discovery workshops & technical consulting
- UI/UX design and prototyping
- Front-end SPA or PWA development
- Server-side development with Node.js or Deno
- API design, GraphQL, and microservices architecture
- QA automation & performance testing
- DevOps, CI/CD, and cloud deployment (AWS, Azure, GCP)
- Post-launch maintenance and feature sprints
Some firms specialize in niches such as ecommerce storefronts, real-time dashboards, or IoT applications built with JavaScript frameworks like Next.js or Svelte.
Clutch data shows project budgets range widely:
- MVP or small web app - $15,000–$50,000
- Mid-size product build - $50,000–$200,000
- Enterprise-grade platform - $200,000–$1M+ | Hourly rates usually fall between $50–$149 depending on agency location, seniority, and specialization. Expect higher rates for U.S.-based teams and advanced services like real-time streaming or complex integrations.
- Align expertise: Verify experience with your required stack (e.g., React Native, TypeScript, serverless).
- Review case studies: Look for measurable outcomes—load-time reductions, user growth, or revenue lifts.
- Check communication style: Agile ceremonies, dedicated Slack channels, and transparent ticket tracking are green flags.
- Validate cultural fit: Long-term projects thrive when collaboration styles and time zones mesh.
- Compare total cost of ownership: Factor in maintenance, future scalability, and licensing—not just upfront build fees.
Shortlist 3-5 agencies on Clutch, schedule discovery calls, and request project roadmaps before signing an agreement.
- Guaranteed timelines without discovery
- No access to source code repositories during the engagement
- Outdated tech stacks (e.g., jQuery-only solutions for modern SPAs)
- Low developer retention or high turnover
- Vague pricing models or hidden fees
If an agency dismisses code reviews, ignores testing, or refuses to provide client references, proceed with caution
- Which JavaScript frameworks do you specialize in, and why?
- Can you walk me through a recent project with similar complexity?
- How do you ensure code quality—linting, peer reviews, automated tests?
- What is your approach to scalability and performance optimization?
- How will we communicate and track progress (tools, meeting cadence)?
- Who owns the intellectual property and source code upon project completion?
Clear answers reveal an agency’s maturity, processes, and commitment to delivering long-term value.
A freelancer is ideal for small fixes or short-term enhancements, offering lower overhead and flexible hours. Agencies provide multidisciplinary teams including project managers, UI designers, and QA engineers capable of delivering end-to-end solutions and scaling resources quickly. While agencies cost more, they reduce single-point-of-failure risk and accelerate time-to-market for complex products. How do JavaScript firms measure ROI? Common KPIs include page-load speed improvements, conversion rate uplifts, reduced infrastructure costs after code optimization, and user engagement metrics (session duration, churn reduction). Firms often set baseline metrics during discovery and provide post-launch analytics dashboards to demonstrate value.
Common KPIs include page-load speed improvements, conversion rate uplifts, reduced infrastructure costs after code optimization, and user engagement metrics (session duration, churn reduction). Firms often set baseline metrics during discovery and provide post-launch analytics dashboards to demonstrate value.