Top JavaScript Developers
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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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UndisclosedUndisclosed2 - 9Buenos Aires, Argentina
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Aimingweb is a web development company. In Buenos Aires, Argentina, the firm specializes in Web Development and Digital Strategy.
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UndisclosedUndisclosed2 - 9Miami Beach, FL
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Probella, a PPC company, is headquartered in Miami Beach, Florida. The team specializes in Pay Per Click and Search Engine Optimization.
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UndisclosedUndisclosed2 - 9Zagreb, Croatia
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M-BIT, a web design company, was established in 2014. The team focuses on Web Design and Web Development and is headquartered in Zagreb, Croatia.
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UndisclosedUndisclosed2 - 9Zagreb, Croatia
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Atlantis Digital is a web development firm established in 2014. Their services include Web Development and Branding.
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UndisclosedUndisclosed2 - 9Ciudad de Guatemala, Guatemala
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Established in 1998, Soluciones PM, a small IT managed services company, is in Ciudad de Guatemala, Guatemala. Their team provides IT managed services and Social Media Marketing.
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UndisclosedUndisclosed2 - 9Zagreb, Croatia
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Green Light Agency is a Digital Strategy company. They provide Digital Strategy and UX/UI Design and were established in 2018.
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UndisclosedUndisclosed2 - 9North Adelaide, Australia
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AKS Digital is a North Adelaide, Australia-based social media marketing firm. They specialize in Social Media Marketing and Content Marketing.
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$1,000+$25 - $49 / hr2 - 9
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World Dev is a mobile app development company. Their team is based in Rathcoole, Ireland and Ukraine and offers Mobile App Development and Web Development.
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UndisclosedUndisclosed2 - 9Anchorage, AK
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Launched in 2014, NeXus Data Solutions is a custom software development firm. The small team provides Custom Software Development and Mobile App Development.
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UndisclosedUndisclosed2 - 9Silver Spring, MD
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RoLaJa, a website development firm, was founded in 2018. The small team provides Web Development and Custom Software Development.
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UndisclosedUndisclosed2 - 9Edison, NJ
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Launched in 1997, CPI (USA) is a web development firm. The team specializes in Web Development and Custom Software Development and is in Edison, New Jersey.
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UndisclosedUndisclosed2 - 9Sandy Springs, GA
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Avernoon is a web design agency in Sandy Springs, Georgia. Their services include Web Design and Custom Software Development.
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$1,000+$50 - $99 / hr2 - 9New York, NY
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WebyLogix is a web design company. Established in 2018, the company focuses on Web Design and Web Development.
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UndisclosedUndisclosed2 - 9München, Germany
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Located in München, Germany, Alex Lawrence is a custom software development company. They provide Custom Software Development and Web Development and were launched in 2007.
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UndisclosedUndisclosed2 - 9
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Apex Digital Development, a Blockchain Marketing company, was founded in 2022. They offers Blockchain Marketing and Marketing Strategy.
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UndisclosedUndisclosed2 - 9
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Billy Reiner is a small graphic design agency in Ravensburg, Germany. Their services include Graphic Design and Branding.
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UndisclosedUndisclosed2 - 9
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Established in 2005, AE3 Studios is a branding company. The team offers Branding and Social Media Marketing.
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UndisclosedUndisclosed2 - 9Bandirma, Türkiye
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Sizin Ajans is a pay per click company. Established in 2019, the team focuses on Pay Per Click and Mobile App Development. The company is headquartered in Bandirma, Türkiye.
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UndisclosedUndisclosed2 - 9Medellín, Colombia
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Founded in 2014, Webkend is a small Digital Strategy company. Their team provides Digital Strategy and Web Development.
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UndisclosedUndisclosed2 - 9
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Anathoth IT Solutions is a Jleeb, al Shuyoukh, Kuwait-based Advertising company. The team specializes in Advertising and Branding.
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UndisclosedUndisclosed2 - 9Miami Gardens, FL
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The SEO Adviser is a small Miami Gardens, Florida-based SEO company. The team offers Search Engine Optimization and Social Media Marketing.
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UndisclosedUndisclosed2 - 9Honolulu, HI
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Hawaii SEO & Web Design, a small SEO services firm, is based in Honolulu, Hawaii. Their services include Search Engine Optimization and Branding.
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UndisclosedUndisclosed2 - 9Altamonte Springs, FL
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Web Studio Florida is a small Altamonte Springs, Florida-based SEO services firm. The team focuses on Search Engine Optimization and Social Media Marketing.
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UndisclosedUndisclosed2 - 9Fort Lauderdale, FL
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KaizenTek , a custom software development company, is in Fort Lauderdale, Florida. Launched in 2015, the team offers Custom Software Development and cloud consulting & SI.
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UndisclosedUndisclosed2 - 9
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Founded in 2020, RedShift Development, LLC is a small web development firm located in Longmont, Colorado. Their team focuses on Web Development and Custom Software Development.
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UndisclosedUndisclosed2 - 9
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Sky Flow Agency LLC, an Advertising company, is headquartered in Sheridan, Wyoming. Their services include Advertising and Marketing Strategy.
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UndisclosedUndisclosed2 - 9Hamilton, Canada
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Matayo Solutions is a Cybersecurity company launched in 2020. The team focuses on Cybersecurity and Web Design and is in Houston, Texas and Hamilton, Canada.
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UndisclosedUndisclosed2 - 9
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Intellectus Agency is a Kyiv, Ukraine-based social media marketing agency. They provide Social Media Marketing and Artificial Intelligence.
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UndisclosedUndisclosed2 - 9
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Based in Barcelona, Spain, It's an agency is a social media marketing agency. They provide Social Media Marketing and Conversion Optimization.
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UndisclosedUndisclosed2 - 9Springfield, MO
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Moso Digital is a web design agency. Launched in 2018, their team provides Web Design and E-Commerce Development.
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UndisclosedUndisclosed2 - 9Castiglione della Pescaia, Italy
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Bitwise is a web design company. Their small team is located in Castiglione della Pescaia, Italy. Their services include Web Design and IoT development.
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UndisclosedUndisclosed2 - 9Conway, AR
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Website development firm Bluegrass Media Inc specializes in Web Development and Mobile App Development. They were established in 2018.
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UndisclosedUndisclosed2 - 9Vineyard, UT
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Dev By Design is a web design agency launched in 2018. The agency provides Web Design and UX/UI Design, and is small.
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$1,000+$25 - $49 / hrFreelancer
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See all 1 projectsHELLO, I'M BILAL KHAN FREELANCE WEB DEVELOPER AND UX/UI DESIGNER - PROVIDING HIGH-QUALITY WEB DEVELOPMENT SERVICES TO US CLIENTS.I am a full-time and part-time web developer and UX/UI designer. With
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$5,000+$25 - $49 / hrFreelancer
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Meister Works is an user experience company. Established in 2010, the team provides UX/UI Design and Market Research. The company is located in.
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UndisclosedUndisclosedFreelancer
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Richard Thorne is a small web design agency and web development company located in Leeds, England, England. The team specializes in Web Design and Web Development.
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UndisclosedUndisclosedFreelancerRoma, Italy
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Founded in 2014, Manuel Alterio is a web design agency and website development company. The team specializes in Web Design and Web Development.
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Undisclosed< $25 / hrFreelancerUdaipur, India
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Web Classic Solutions is a custom software development company. In Udaipur, India and Ahmedabad, India, the agency focuses on Custom Software Development and E-Commerce Development.
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$5,000+< $25 / hrFreelancerSahibzada Ajit Singh Nagar, India
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Established in 2020, MadApp Technologies is a small Sahibzada Ajit Singh Nagar, India-based mobile application development company. Their team provides Mobile App Development and Web Development.
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$10,000+< $25 / hrFreelancer
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Intway is a small Buenos Aires, Argentina-based custom software development company. Their services include Custom Software Development and Mobile App Development.
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UndisclosedUndisclosedFreelancerProvidence, RI
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Mythical Development, LLC is a website development company founded in 2018. The agency focuses on Web Development and Mobile App Development, and is small.
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Undisclosed< $25 / hrFreelancer
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Grains Design is a Product Design company. The INDORE, India-based firm focuses on Product Design and UX/UI Design.
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$5,000+$100 - $149 / hrFreelancer
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Mindyte is a web development company. They provide Web Development and Digital Strategy and were launched in 2024. The company is based in Vancouver, Canada.
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$10,000+$50 - $99 / hrFreelancer
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Entin Technology Inc., a custom software development company, is in Richmond Hill, Canada. Their services include Custom Software Development and IT strategy consulting.
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$1,000+$25 - $49 / hrFreelancer
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Neotechventures is a small Digital Strategy company. Founded in 2024, the team specializes in Digital Strategy and Social Media Marketing.
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$1,000+$150 - $199 / hrFreelancerAnaheim, CA
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Founded in 2014, socialomical is a small Anaheim, California-based branding agency. Their team specializes in Branding and Product Design.
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$10,000+$25 - $49 / hr2 - 9
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See all 1 projectsZoomRocket offers Website Development services, excelling in both design and development phases. Reviews highlight their impressive technical capabilities, effective project management style, and strong communication practices, delivering projects with good UX. ZoomRocket's team is noted for their professionalism and close collaboration with clients throughout the development process.
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$10,000+$100 - $149 / hr10 - 49
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See all 26 projectsHookux is a web development company specializing in Website Development, Web Design, and Full-Stack Web Development. The company consistently receives positive feedback, with over 90% of clients praising their professionalism, technical competence, and ability to align digital experiences with brand values. Clients frequently commend Hookux for their strategic insight and responsive project management, with some noting room for improvement in user testing and post-launch analytics.
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$10,000+$25 - $49 / hr10 - 49Orlando, FL
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See all 29 projectsINTEX Agency, a web development company, offers services such as Website Development, Web Design, and Custom Web Development. Reviews highlight their creativity and dedication, with 90% of feedback being overwhelmingly positive, praising their efficient project management and innovative approach. However, there is a minor concern from 10% of reviews regarding occasional delays in project completion.
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Undisclosed< $25 / hr10 - 49Noida, India
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See all 27 projectsChromeQA Lab is a full-stack web development company highly praised for its technical expertise and project management skills, particularly in web application development and system modernization. They achieved a remarkable 95% test coverage and reduced regression testing time by 60%, showcasing their proficiency in automation and testing. Review feedback reflects a 100% positive sentiment, with clients highlighting their ability to deliver quality work and adapt to evolving needs.
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List of the Top 15 JavaScript Development Companies
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$25,000+$50 - $99 / hr50 - 249Kraków, Poland
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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 -
$100,000+$25 - $49 / hr250 - 999Cebu City, Philippines
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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
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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
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37.3/40.018.2/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
50% Web Development70% JavaScript50% Other -
$25,000+$100 - $149 / hr50 - 249Cypress, CA
Ability to deliver
36.4/40.018.2/20 Reviews10/10 Clients & Experience8.2/10 Market PresenceService focus
100% Web Development40% JavaScript -
$50,000+$50 - $99 / hr1,000 - 9,999L'viv, Ukraine
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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.