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 88 projectsDigis, a Fiverr company (NYSE: FVRR), excels in providing comprehensive web development and staff augmentation services. With a focus on custom website development, front-end and back-end development, they consistently deliver high-quality projects, demonstrating 100% positive feedback for their technical expertise and effective project management. Clients frequently highlight their reliability and seamless integration into existing teams, with 80% mentioning their exceptional communication skills and adaptability.
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UndisclosedUndisclosed2 - 9Harrisonville, MO
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Established in 2017, Maazsoft is a custom software development firm. The agency offers Custom Software Development and Web Development, and is small.
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UndisclosedUndisclosed2 - 9Singapore, Singapore
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SEO agency Websoars was launched in 2018. The small team provides Search Engine Optimization and Web Design.
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UndisclosedUndisclosed2 - 9Stockholm, Sweden
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Launched in 2011, Appberg is a social media marketing firm. The small team specializes in Social Media Marketing and UX/UI Design.
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UndisclosedUndisclosed2 - 9Beograd, Serbia
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Linum Internet Solution Ltd, a web design company, was established in 2012. The agency provides Web Design and UX/UI Design, and is small.
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UndisclosedUndisclosed2 - 9Galați, Romania
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Based in Galați, Romania, Spaceapps.ro is a small social media marketing agency. The team offers Social Media Marketing and Search Engine Optimization.
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UndisclosedUndisclosed2 - 9București, Romania
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Cubic Agency, a graphic design company, specializes in Graphic Design and CRM consulting and SI. The agency is based in București, Romania.
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UndisclosedUndisclosed2 - 9București, Romania
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BreakingPoint Romania is a București, Romania-based SEO services firm. The team offers Search Engine Optimization and ERP consulting and SI.
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UndisclosedUndisclosed2 - 9Raipur, India
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Blesssms, a social media marketing firm, was launched in 2017. The team focuses on Social Media Marketing and Web Development.
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UndisclosedUndisclosed2 - 9مدينة, Kuwait
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Website development firm iGroup Solutions was founded in 2004. Headquartered in مدينة, Kuwait, the team provides Web Development and Mobile App Development.
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UndisclosedUndisclosed2 - 9Newark, DE
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Gigus, a website development company, focus on Web Development and Mobile App Development. They were established in 2019.
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UndisclosedUndisclosed2 - 9
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Rorschach Interactive is a small mobile application development firm. They offer Mobile App Development and AR/VR development and were established in 2016.
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UndisclosedUndisclosed2 - 9Roswell, GA
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A BASIC IDEA, LLC is a web design company. Headquartered in Roswell, Georgia, the company was launched in 2011. Their services include Web Design and Custom Software Development.
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UndisclosedUndisclosed2 - 9Pittsburgh, PA
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Vizlogix , a custom software development firm, is in Pittsburgh, Pennsylvania. Founded in 2009, the team focuses on Custom Software Development and Web Development.
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UndisclosedUndisclosed2 - 9Sioux Falls, SD
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Software development firm Pixel Main was established in 2023. The team offers Custom Software Development and Web Development and is in Sioux Falls, South Dakota and Los Angeles, California.
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UndisclosedUndisclosed2 - 9
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NTR Interactive is a SEO company. The Louisville, Kentucky-based team provides Search Engine Optimization and Web Development.
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UndisclosedUndisclosed2 - 9Osseo, MN
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Version11 Inc. Is a data analytics company. They are headquartered in Osseo, Minnesota, and their services include BI & big data consulting & SI and ERP consulting and SI.
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UndisclosedUndisclosed2 - 9Asheville, NC
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Crunchy Bananas, LLC. Is a small software development firm. They provide Custom Software Development and Web Development and were launched in 2015.
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UndisclosedUndisclosed2 - 9Brooklyn, NY
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SEO agency KYD Solutions was established in 2017. The agency offers Search Engine Optimization and UX/UI Design.
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UndisclosedUndisclosed2 - 9Rzeszów, Poland
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KODIGO Agencja Interaktywna is a Rzeszów, Poland-based branding firm. Founded in 2015, the team focuses on Branding and Social Media Marketing.
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UndisclosedUndisclosed2 - 9Kyiv, Ukraine
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Digital iT Advisor LLC is an UX company. Their small team is located in Kyiv, Ukraine. Their services include UX/UI Design and Custom Software Development.
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UndisclosedUndisclosed2 - 9Irving, TX
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Marcole Software Consulting is a custom software development firm. The team is located in Irving, Texas, and their services include Custom Software Development and Web Development.
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UndisclosedUndisclosed2 - 9Cranford, NJ
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WebZest LLC is a Cybersecurity company. Their small team of employees is in Cranford, New Jersey. Their team offers Cybersecurity and Web Development.
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UndisclosedUndisclosed2 - 9Arlington, VA
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Cyber Earth Solutions is a custom software development firm. Their team is based in Arlington, Virginia and offers Custom Software Development and Web Development.
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UndisclosedUndisclosed2 - 9Middletown, DE
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Atlas Data Services is a big data company. They are located in Middletown, Delaware and have small team. They provide BI & big data consulting & SI and cloud consulting & SI.
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UndisclosedUndisclosed2 - 9Sunnyvale, CA
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Established in 2006, AppLite.com is a SEO company. The agency specializes in Search Engine Optimization and BI & big data consulting & SI, and is small.
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UndisclosedUndisclosed2 - 9Aloma, FL
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SEO Specialist Florida, a SEO services firm, was launched in 2021. The small team provides Search Engine Optimization and Pay Per Click.
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UndisclosedUndisclosed2 - 9Benidorm, Spain
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Tridan SLU is a SEO company. Located in Benidorm, Spain, their small team offers Search Engine Optimization and Web Design. The agency was founded in 1996.
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UndisclosedUndisclosed2 - 9Ostrander, OH
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Pinnacle Webs is a web development company based in Ostrander, Ohio. Established in 2008, the team provides Web Development and Mobile App Development.
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$5,000+$100 - $149 / hr10 - 49San Jose, CA
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In San Jose, California, Evergreen Software Co. Is a branding company. Their services include Branding and Search Engine Optimization.
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UndisclosedUndisclosed2 - 9Pewaukee, WI
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Marketing Metrics Corp is a web design company. They are located in Pewaukee, Wisconsin. Their team focuses on Web Design and Content Marketing.
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$10,000+$50 - $99 / hrFreelancer
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IVERSIA is an UX design agency. They are headquartered in Calgary, Canada and have small team. Their services include UX/UI Design and Web Development.
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UndisclosedUndisclosedFreelancerBogotá, Colombia
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Social Latam is a small social media marketing firm. They specialize in Social Media Marketing and Logo and were founded in 2014.
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UndisclosedUndisclosedFreelancerProvo, UT
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Aaronjsmith.me is a web development company. The small Provo, Utah-based team provides Web Development and Web Design. The company was established in 2006.
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UndisclosedUndisclosedFreelancerToulouse, France
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Founded in 2010, ADvisuel is a small Toulouse, France-based SEO company. Their team focuses on Search Engine Optimization and Web Design.
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UndisclosedUndisclosedFreelancerCharlottesville, VA
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Charlottesville SEO Web Development, LLC is a small SEO agency. They provide Search Engine Optimization and Web Design and were established in 2006.
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UndisclosedUndisclosedFreelancer
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Ankitha Vasudev is a web design company. The Brooklyn, New York-based firm provides Web Design and UX/UI Design.
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UndisclosedUndisclosed2 - 9Roseville, MI
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Launched in 2017, True Industries, Inc. Is a small Roseville, Michigan-based mobile application development firm. Their team specializes in Mobile App Development and Artificial Intelligence.
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$5,000+$25 - $49 / hr50 - 249Los Angeles, CA
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See all 34 projectsTech Reforms is a web development company specializing in custom website development and web application development. With a 100% satisfaction record, their reviews highlight exceptional professionalism and quick response times. Approximately 83% of reviewers emphasize the seamless project management, while 67% note their alignment with company values and culture, contributing to successful redesigns and increased traffic and engagement.
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$100,000+$50 - $99 / hr50 - 249Tel Aviv-Yafo, Israel
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See all 13 projectsMonkeyTech is a versatile web development company specializing in comprehensive services ranging from full-stack development to web application and mobile app development. The company boasts a highly responsive and professional team, with 100% of reviews praising their project management and collaborative nature. Reviewers frequently highlight MonkeyTech's proactive approach, with approximately 80% noting their ability to challenge and refine project requirements effectively.
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$5,000+$25 - $49 / hr50 - 249Ahmedabad, India
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See all 12 projectsWeb 3.0 India is a proficient web development company specializing in custom website development and full-stack web development, known for its flexible approach and exceptional communication skills. With a 100% positive feedback rate, clients commend their project management efficiency and value for money, while minor language barriers are effectively managed by their project managers.
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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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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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$5,000+$100 - $149 / hr2 - 9Rockville, MD
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See all 5 projectsWebLime is a web development company specializing in website design and online development. With a reputation for delivering projects on time and within budget, they are praised for their excellent communication and personable service. Over 90% of reviews highlight their professionalism and dedication, with clients frequently commending their attention to detail and ability to exceed expectations.
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$25,000+$100 - $149 / hr2 - 9London, England
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See all 4 projectsWe Are Outliers is a Web Development company specializing in creating digital platforms, particularly in Custom Website Development and Full-Stack Web Development. Their reviews highlight a 100% satisfaction rate, emphasizing their strategic perspective, high-quality user experience, and efficient remote work capabilities. Clients are particularly impressed by their speed and deep understanding of business needs.
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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 - 9Glasgow, Scotland
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Small web design company Virtue Max Ltd, is based in Glasgow, Scotland. The team provides Web Design and Web 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.
Every review on Clutch undergoes a rigorous, human-led verification process to make sure it’s valid. Our team of specialists confirms the identity of each reviewer, ensures the project is legitimate, and only publishes reviews that meet our strict criteria.
Verification doesn’t stop at the point of publication. Our Trust & Safety team routinely audits older reviews against our guidelines. When reviews fall short of our standards, we remove them.
We evaluate service providers using a structured methodology that combines:
- In-depth client interviews and ratings
- Comprehensive project details
- Market presence
- Portfolio examples and industry recognition
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.
Using this unique combination of verified client feedback and provider-supplied insights, Clutch distills the most important details into clear, digestible summaries so you have everything you need to make confident, informed decisions quickly.
We take fraud seriously. Providers who violate our guidelines may face lower rankings, restricted visibility, or removal from the platform altogether.
Clutch’s commitment to transparency is ongoing. We’re constantly refining our systems to protect the integrity of reviews and support you in finding the right agency.
List of the Top 15 JavaScript Development Companies
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$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
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39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
50% Web Development75% JavaScript50% 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 -
$25,000+$50 - $99 / hr50 - 249Kraków, Poland
Ability to deliver
39.5/40.019.6/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$10,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.4/40.019.6/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
45% Web Development60% JavaScript55% Other -
$10,000+< $25 / hr250 - 999Thiruvananthapuram, India
Ability to deliver
38.1/40.018.8/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
50% Web Development50% JavaScript50% Other -
$10,000+Undisclosed50 - 249San Francisco, CA
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39.1/40.019.8/20 Reviews9.6/10 Clients & Experience9.7/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$10,000+$50 - $99 / hr50 - 249Montevideo, Uruguay
Ability to deliver
39.5/40.020/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
50% Web Development35% JavaScript50% Other -
$5,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
36.9/40.018/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$50,000+$100 - $149 / hr1,000 - 9,999San Francisco, CA
Ability to deliver
39.5/40.019.6/20 Reviews9.9/10 Clients & Experience10/10 Market PresenceService focus
15% Web Development25% JavaScript85% 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 -
$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 -
$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 -
$1,000+< $25 / hr250 - 999Boston, MA
Ability to deliver
35.9/40.016.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
40% Web Development35% JavaScript60% Other -
$50,000+$50 - $99 / hr1,000 - 9,999L'viv, Ukraine
Ability to deliver
38.8/40.019/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
21% Web Development18% JavaScript79% Other -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
37.2/40.018.2/20 Reviews10/10 Clients & Experience9/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$25,000+$50 - $99 / hr1,000 - 9,999New York, NY
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Web Development33% JavaScript90% Other -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
36.4/40.016.8/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$10,000+< $25 / hr250 - 999Kolkata, India
Ability to deliver
36.3/40.019/20 Reviews9/10 Clients & Experience8.4/10 Market PresenceService focus
35% Web Development30% JavaScript65% Other -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
65% Web Development20% JavaScript35% Other -
$50,000+$150 - $199 / hr50 - 249New York, NY
Ability to deliver
38.2/40.018.4/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
100% Web Development30% JavaScript -
$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 / hr1,000 - 9,999Plano, TX
Ability to deliver
36.8/40.017.2/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
20% Web Development25% JavaScript80% 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 -
$10,000+$50 - $99 / hr10 - 49Warszawa, Poland
Ability to deliver
37.5/40.018.4/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
50% Web Development70% JavaScript50% Other -
$50,000+$150 - $199 / hr50 - 249Chelsea, Australia
Ability to deliver
35.9/40.016.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$1,000+< $25 / hr1,000 - 9,999London, England
Ability to deliver
36.5/40.019.2/20 Reviews9.3/10 Clients & Experience8/10 Market PresenceService focus
20% Web Development25% JavaScript80% 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 -
$25,000+$100 - $149 / hr50 - 249Long Beach, CA
Ability to deliver
36.2/40.018.2/20 Reviews10/10 Clients & Experience8/10 Market PresenceService focus
100% Web Development40% JavaScript
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.