Top JavaScript Developers
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$10,000+$50 - $99 / hr10 - 49Wallbach, Switzerland
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Based in Wallbach, Switzerland, Hendrik Thurau Enterprises is a small IT staff augmentation company. Their services include IT staff augmentation and Web Development.
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$1,000+$25 - $49 / hr10 - 49
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Launched in 2023, Unaire Sync IT Solutions Pvt. Ltd. Is an UX design agency. The small team offers UX/UI Design and Custom Software Development.
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$5,000+Undisclosed10 - 49Timișoara, Romania
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PeerConcept is an artificial intelligence firm. Their team is based in Timișoara, Romania. The company provides Artificial Intelligence and Web Development.
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$1,000+$50 - $99 / hr10 - 49
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Techspurt is a Digital Strategy company. Their small team is headquartered in and focuses on Digital Strategy and Search Engine Optimization. The agency was launched in 2015.
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UndisclosedUndisclosed10 - 49Toronto, Canada
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TapLane Inc. Is a cloud consulting & SI company. Headquartered in Toronto, Canada, the agency was established in 2010. Their services include cloud consulting & SI and Web Development.
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$1,000+$25 - $49 / hrFreelancer
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Web Accessibility Expert is an other IT consulting and SI company headquartered in Dehradun, India. They focus on other IT consulting and SI and Web Development.
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Undisclosed$50 - $99 / hr2 - 9
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Small branding agency ITSG, is in Busnago, Italy. The team provides Branding and Web Design.
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Undisclosed$25 - $49 / hr2 - 9
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Established in 2018, Akwid Labs is a custom software development firm. The team focuses on Custom Software Development and Artificial Intelligence.
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$5,000+$25 - $49 / hr50 - 249Miami, FL
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SpectreX Web is a software development company. The team is based in Miami, Florida, and their services include Custom Software Development and Search Engine Optimization.
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$1,000+< $25 / hrFreelancer
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WEBWIZCRAFT is a website development company founded in 2020. The agency specializes in Web Development and Web Design.
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Undisclosed< $25 / hrFreelancer
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Dark Hand Coders is a social media marketing firm. The agency is based in Chennai, India. Their services include Social Media Marketing and Search Engine Optimization.
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$1,000+$25 - $49 / hr2 - 9
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KEHEM IT is a software development firm. The Sylhet, Bangladesh-based company was founded in 2018. Their services include Custom Software Development and API Development.
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$1,000+< $25 / hr2 - 9
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See all 2 projectsZaavian Marketing House is a full-service digital marketing agency built for brands that refuse to settle. We specialize in SEO, guest posting, content creation, social media, and paid advertising,
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$1,000+$25 - $49 / hr2 - 9Ahmedabad, India
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See all 1 projectsWhite Pearl It Solution Pvt Ltd offers expert Web Development services, including Web Programming and Online Development. Reviews highlight their skilled team and effective project management, with clients praising the cost-effectiveness and alignment with company values. While initial project updates lacked structure, improvements were noted, showcasing a commitment to refining their communication process.
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$1,000+$150 - $199 / hr2 - 9
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See all 1 projectsAkantro provides specialized services in Web Development, including the initial build and ongoing maintenance of websites and Shopify stores. The reviews underline Akantro's alignment with client values and emphasize their effective communication and project management. Clients appreciate their clear delegation and organization, although there is room for improvement in task time estimation.
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Undisclosed< $25 / hr2 - 9मुंबई, India
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See all 1 projectsCodzera Technologies offers Website Development and Web Design services, with a focus on crafting websites and enhancing online presence. Reviews highlight their affordability, timely delivery, and professional team. Clients appreciate their supportive nature and valuable suggestions, indicating a strong emphasis on client satisfaction and effective project management.
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$10,000+$150 - $199 / hr2 - 9Nottingham, England
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Gooii Ltd, a web design agency, is headquartered in Nottingham, England. They provide Web Design and Digital Strategy and were founded in 2001.
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$10,000+$150 - $199 / hr2 - 9Hallow, England
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Worcester Web Studio is a SEO company. Their team is in Hallow, England. The agency specializes in Search Engine Optimization and Social Media Marketing.
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$5,000+$100 - $149 / hr2 - 9Mesquite, TX
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Web design agency Comprotex Software is based in Mesquite, Texas. They provide Web Design and Graphic Design and were launched in 1995.
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$5,000+$100 - $149 / hr2 - 9San Jose, CA
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Located in San Jose, California and Chandigarh, India, Frisco Web Solutions is a small SEO agency. Their services include Search Engine Optimization and Web Design.
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UndisclosedUndisclosed2 - 9
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Small IT managed services company IDesign Web Solutions, is headquartered in Amherst, Canada. Their services include IT managed services and Web Design.
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UndisclosedUndisclosed2 - 9Montgomery, AL
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Media planning and buying company SMI Advertising is located in Montgomery, Alabama. They specialize in Media Planning & Buying and Graphic Design.
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UndisclosedUndisclosed2 - 9Waco, TX
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October Marketing is a small SEO services firm located in Waco, Texas. Their services include Search Engine Optimization and Email Marketing.
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UndisclosedUndisclosed2 - 9București, Romania
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E-commerce development firm Hype Media System was established in 2004. In București, Romania, the team offers E-Commerce Development and Pay Per Click.
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$5,000+$150 - $199 / hr2 - 9Winston-Salem, NC
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Made for You Media, LLC, a web design company, was launched in 2010. The team provides Web Design and Search Engine Optimization.
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UndisclosedUndisclosed2 - 9Kyiv, Ukraine
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DevITeam is a web development company. The agency is in Kyiv, Ukraine. Their services include Web Development and UX/UI Design.
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$1,000+$50 - $99 / hr2 - 9Hawally, Kuwait
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WAVAI is a web development company specializing in creating tailored digital solutions. Their expertise in custom website development and web design is reflected in their ability to craft engaging and user-friendly platforms. Review feedback is overwhelmingly positive, with 100% of reviewers highlighting WAVAI's commitment to understanding client needs and delivering functional, athlete-focused digital spaces. Clients commend their project management and attention to detail.
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UndisclosedUndisclosed2 - 9Greenville, SC
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1x1 Impression is a social media marketing firm. They offer Social Media Marketing and Content Marketing and are located in Greenville, South Carolina.
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UndisclosedUndisclosed2 - 9North Miami, FL
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Established in 1998, Brivin Corporation is a small North Miami, Florida-based SEO services firm. Their team offers Search Engine Optimization and Web Design.
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$1,000+$25 - $49 / hr2 - 9
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Haxtiv is a web development firm. The company is located in Lahore, Pakistan. Their services include Web Development and Web Design.
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Undisclosed< $25 / hr2 - 9
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SEO agency Xitehub Software Company is in Karachi, Pakistan, Pakistan. They focus on Search Engine Optimization and Custom Software Development and were established in 2023.
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UndisclosedUndisclosed2 - 9Eugene, OR
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Net Visibility Group is a SEO services firm. They were founded in 2005, and their services include Search Engine Optimization and Custom Software Development.
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UndisclosedUndisclosed2 - 9Cleveland, OH
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U Share Consulting, Inc., a software development firm, is located in Cleveland, Ohio. They focus on Custom Software Development and Web Development and were launched in 2011.
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UndisclosedUndisclosed2 - 9New York, NY
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DataSCIsive, a small big data company, is in New York, New York. Their services include BI & big data consulting & SI and Web Development.
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UndisclosedUndisclosed2 - 9Ijamsville, MD
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Launched in 2010, NBGAppDesign is a small Ijamsville, Maryland-based software development firm. Their services include Custom Software Development and Web Development.
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Undisclosed< $25 / hr2 - 9Vadodara, India
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Cleancoders.tech is a cloud consulting & SI company. Located in Vadodara, India and Vadodara, India, the firm was founded in 2020. Their team focuses on cloud consulting & SI and Web Development.
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$250,000+$300+ / hr2 - 9
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Website development company Z is located in Encamp, Andorra. The team focuses on Web Development and E-Commerce Development.
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UndisclosedUndisclosed2 - 9Savannah, GA
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Digital Access Security Integrated is a big data company. The Savannah, Georgia-based team focuses on BI & big data consulting & SI and Custom Software Development.
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$1,000+< $25 / hr2 - 9Bhavnagar, India
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Ayelite Technologies is a Digital Strategy company. The firm is based in Bhavnagar, India. Their services include Digital Strategy and Social Media Marketing.
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$1,000+$50 - $99 / hr2 - 9
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TSCAmerica.com is a web design agency. Their team is based in and provides Web Design and Web Development.
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$25,000+$150 - $199 / hr2 - 9
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Colchuck Consulting, a web design company, is based in Burien, Washington. Founded in 2022, the team focuses on Web Design and UX/UI Design.
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$1,000+$50 - $99 / hr2 - 9Noida, India
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Established in 2023, Piotech INDIA is a web design agency. The team provides Web Design and UX/UI Design and is in Noida, India and Bhadra, India.
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$5,000+$100 - $149 / hr2 - 9San Diego, CA
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Application development firm devAtelier offers Mobile App Development and Web Development. They are located in San Diego, California.
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$5,000+$50 - $99 / hr2 - 9London, England
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We Are Delve is a web design agency. They are based in London, England and have small team. They offer Web Design and Search Engine Optimization.
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$1,000+$50 - $99 / hr2 - 9Lansing, MI
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Creative Partner is a small Lansing, Michigan-based SEO agency. Their services include Search Engine Optimization and Web Design.
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$1,000+$25 - $49 / hr2 - 9
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DigitalSphere360, a SEO services firm, was established in 2024. They provides Search Engine Optimization and Web Development.
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$1,000+$25 - $49 / hr2 - 9
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CSX Labs is an artificial intelligence development company. The team is based in Sacramento, California, and their services include Artificial Intelligence and Microservices Architecture Services.
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Undisclosed$25 - $49 / hr2 - 9
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OliveOrbit is a Bengaluru, India-based web design company. The team specializes in Web Design and UX/UI Design.
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$1,000+< $25 / hr2 - 9
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Desiznspace , a website development company, was founded in 2021. The firm focuses on Web Development and E-Commerce Development, and is small.
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$1,000+Undisclosed2 - 9
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Zaapr is a branding company founded in 2015. The small team specializes in Branding and Web Design.
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List of the Top 15 JavaScript Development Companies
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$75,000+$100 - $149 / hr50 - 249Vancouver, Canada
Ability to deliver
38.7/40.020/20 Reviews10/10 Clients & Experience8.7/10 Market PresenceService focus
90% Web Development50% JavaScript10% Other -
$25,000+$50 - $99 / hr50 - 249Kraków, Poland
Ability to deliver
35.9/40.019/20 Reviews10/10 Clients & Experience6.9/10 Market PresenceService focus
60% Web Development50% JavaScript40% Other -
$10,000+$25 - $49 / hr250 - 999Bengaluru, India
Ability to deliver
37.2/40.020/20 Reviews10/10 Clients & Experience7.2/10 Market PresenceService focus
20% Web Development40% JavaScript80% Other -
$5,000+$50 - $99 / hr50 - 249Maribor, Slovenia
Ability to deliver
35.1/40.020/20 Reviews10/10 Clients & Experience5.1/10 Market PresenceService focus
40% Web Development100% JavaScript60% Other -
$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
34.1/40.018.4/20 Reviews10/10 Clients & Experience5.7/10 Market PresenceService focus
45% Web Development75% JavaScript55% Other -
$25,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
34.5/40.018.8/20 Reviews10/10 Clients & Experience5.7/10 Market PresenceService focus
40% Web Development60% JavaScript60% Other -
$10,000+< $25 / hr250 - 999Hanoi, Vietnam
Ability to deliver
35.9/40.018.8/20 Reviews10/10 Clients & Experience7.1/10 Market PresenceService focus
30% Web Development21% JavaScript70% Other -
$1,000+< $25 / hr250 - 999Walpole, MA
Ability to deliver
32.8/40.016.2/20 Reviews10/10 Clients & Experience6.6/10 Market PresenceService focus
40% Web Development35% JavaScript60% Other -
$10,000+$50 - $99 / hr10 - 49London, England
Ability to deliver
34.8/40.018.6/20 Reviews10/10 Clients & Experience6.2/10 Market PresenceService focus
50% Web Development90% JavaScript50% Other -
$100,000+$25 - $49 / hr250 - 999Cebu City, Philippines
Ability to deliver
35.6/40.020/20 Reviews10/10 Clients & Experience5.6/10 Market PresenceService focus
30% Web Development20% JavaScript70% Other -
$25,000+< $25 / hr250 - 999Ahmedabad, India
Ability to deliver
37/40.019.6/20 Reviews10/10 Clients & Experience7.4/10 Market PresenceService focus
45% Web Development10% JavaScript55% Other -
$5,000+$25 - $49 / hr50 - 249Warszawa, Poland
Ability to deliver
32.3/40.017.2/20 Reviews10/10 Clients & Experience5.1/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$5,000+$50 - $99 / hr50 - 249Chicago, IL
Ability to deliver
35.6/40.019.6/20 Reviews10/10 Clients & Experience6/10 Market PresenceService focus
35% Web Development40% JavaScript65% Other -
$10,000+$50 - $99 / hr50 - 249Amsterdam, Netherlands
Ability to deliver
34.9/40.019.8/20 Reviews10/10 Clients & Experience5.1/10 Market PresenceService focus
30% Web Development70% JavaScript70% Other -
$10,000+$25 - $49 / hr1,000 - 9,999Plano, TX
Ability to deliver
33.6/40.016.8/20 Reviews10/10 Clients & Experience6.8/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$25,000+$25 - $49 / hr50 - 249Newark, DE
Ability to deliver
35.5/40.018.8/20 Reviews10/10 Clients & Experience6.7/10 Market PresenceService focus
40% Web Development35% JavaScript60% Other -
$10,000+$25 - $49 / hr250 - 999New York, NY
Ability to deliver
36.2/40.020/20 Reviews10/10 Clients & Experience6.2/10 Market PresenceService focus
30% Web Development15% JavaScript70% Other -
$10,000+$50 - $99 / hr50 - 249San Francisco, CA
Ability to deliver
32.6/40.018.8/20 Reviews8.3/10 Clients & Experience5.5/10 Market PresenceService focus
55% Web Development45% JavaScript45% Other -
$50,000+$50 - $99 / hr1,000 - 9,999L'viv, Ukraine
Ability to deliver
36.3/40.017.6/20 Reviews10/10 Clients & Experience8.8/10 Market PresenceService focus
15% Web Development18% JavaScript85% Other -
$10,000+$50 - $99 / hr50 - 249Montevideo, Uruguay
Ability to deliver
33.8/40.018.6/20 Reviews10/10 Clients & Experience5.2/10 Market PresenceService focus
50% Web Development35% JavaScript50% Other -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
33.1/40.017.8/20 Reviews10/10 Clients & Experience5.3/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$50,000+$50 - $99 / hr1,000 - 9,999New York, NY
Ability to deliver
35.7/40.020/20 Reviews10/10 Clients & Experience5.7/10 Market PresenceService focus
10% Web Development25% JavaScript90% Other -
$25,000+$50 - $99 / hr10 - 49Poznań, Poland
Ability to deliver
33.8/40.017/20 Reviews10/10 Clients & Experience6.8/10 Market PresenceService focus
50% Web Development60% JavaScript50% Other -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
31.9/40.016.4/20 Reviews10/10 Clients & Experience5.5/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$50,000+$25 - $49 / hr50 - 249Kharkiv, Ukraine
Ability to deliver
31.9/40.016.2/20 Reviews10/10 Clients & Experience5.7/10 Market PresenceService focus
45% Web Development50% JavaScript55% Other -
$50,000+$150 - $199 / hr50 - 249New York, NY
Ability to deliver
31.9/40.015.8/20 Reviews10/10 Clients & Experience6.1/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$50,000+$100 - $149 / hr1,000 - 9,999San Francisco, CA
Ability to deliver
33.9/40.017.2/20 Reviews9.9/10 Clients & Experience6.8/10 Market PresenceService focus
15% Web Development25% JavaScript85% Other -
$10,000+$25 - $49 / hr50 - 249Kraków, Poland
Ability to deliver
33.8/40.018.8/20 Reviews10/10 Clients & Experience5/10 Market PresenceService focus
30% Web Development50% JavaScript70% Other -
$5,000+$25 - $49 / hr250 - 999Jaipur, India
Ability to deliver
37.4/40.020/20 Reviews10/10 Clients & Experience7.4/10 Market PresenceService focus
10% Web Development25% JavaScript90% Other -
$25,000+$100 - $149 / hr50 - 249Santa Clara, CA
Ability to deliver
35.1/40.017.8/20 Reviews10/10 Clients & Experience7.3/10 Market PresenceService focus
60% Web Development20% JavaScript40% 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.