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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UndisclosedUndisclosed10 - 49Albuquerque, NM
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ITEAM Consulting is an IT managed services company. Based in Albuquerque, New Mexico, the team offers IT managed services and IT strategy consulting.
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UndisclosedUndisclosed10 - 49Innsbruck, Austria
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Headquartered in Innsbruck, Austria, Colorphyll is a small social media marketing company. The team provides Social Media Marketing and Search Engine Optimization.
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UndisclosedUndisclosed10 - 49
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CYBWARE is a small Tampa, Florida-based SEO services firm. Their services include Search Engine Optimization and IT strategy consulting.
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UndisclosedUndisclosed10 - 49Auckland, New Zealand
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KWD- Kiwi Web Dynamics is an Auckland, New Zealand-based SEO services firm. Founded in 2010, the team specializes in Search Engine Optimization and Pay Per Click.
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UndisclosedUndisclosed10 - 49Bangkok, Thailand
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Established in 2017, CODEDIVA is an app development company. The team specializes in Mobile App Development and Blockchain.
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UndisclosedUndisclosed10 - 49Spring Hill, TN
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Tror is an AI development company launched in 2020. Located in Spring Hill, Tennessee, the team specializes in Artificial Intelligence and BI & big data consulting & SI.
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UndisclosedUndisclosed10 - 49Dallas Plantation, ME
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Rapid River Software is a software development firm. They are located in Dallas Plantation, Maine. Their team focuses on Custom Software Development and Web Development.
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UndisclosedUndisclosed10 - 49Portland, OR
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Dymaptic is a big data company. They are based in Portland, Oregon and have small team. They offer BI & big data consulting & SI and Custom Software Development.
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UndisclosedUndisclosed10 - 49Peachtree Corners, GA
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Perma Technologies, a small cloud consulting & SI company, is in Peachtree Corners, Georgia and Chennai, India. Their services include cloud consulting & SI and ERP consulting and SI.
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UndisclosedUndisclosed10 - 49Paris, France
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Business intelligence company XtendPlex - NOVEA Group was launched in 2014. The small team offers BI & big data consulting & SI and Web Development.
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UndisclosedUndisclosed10 - 49Toronto, Canada
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PBNJ Consulting Inc. Is a small Toronto, Canada-based web design company. The team specializes in Web Design and UX/UI Design.
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UndisclosedUndisclosed10 - 49Kuala Lumpur, Malaysia
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Tyrell Systems Sdn. Bhd. Is a website development company. Located in Kuala Lumpur, Malaysia, their team offers Web Development and Mobile App Development.
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UndisclosedUndisclosed10 - 49São Paulo, Brazil
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Founded in 2006, Vitamina Digital is a small São Paulo, Brazil-based CRM consulting and SI company. Their services include CRM consulting and SI and Custom Software Development.
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$5,000+$100 - $149 / hrFreelancerMarietta, GA
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Web development company Element 31 is in Marietta, Georgia. Launched in 2010, the team provides Web Development and UX/UI Design.
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UndisclosedUndisclosedFreelancerParry Sound, Canada
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Linkhouse Media is a web design agency and web development company based in Parry Sound, Canada. They provide Web Design and Web Development.
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UndisclosedUndisclosedFreelancer
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McMillan Freelance is a video production company launched in 2010. The team specializes in Video Production and Web Development.
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UndisclosedUndisclosedFreelancerCorpus Christi, TX
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Gotsmith Web Studio, a website development company, was launched in 2010. The team focuses on Web Development and Web Design.
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$1,000+$50 - $99 / hr2 - 9
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Founded in 2022, Genaro Palma SEO is a small Torremolinos, Spain-based SEO agency. Their team specializes in Search Engine Optimization and Web Design.
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UndisclosedUndisclosed2 - 9Weston, FL
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Genia Dev is a mobile application development company. They are located in Weston, Florida, and their services include Mobile App Development and Web Development.
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$25,000+$50 - $99 / hr10 - 49
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See all 6 projectsFabel X Dev is a web development company specializing in custom website development, full-stack web development, and web application development. The overall feedback is overwhelmingly positive, with clients praising their transparency, innovative solutions, and ability to deliver projects on time and within budget. Approximately 80% of reviewers highlight their impressive development skills and personalized approach to project management.
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$10,000+$50 - $99 / hr2 - 9Concord, NC
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See all 3 projectsPickrell Global Technologies is a web development company specializing in custom website development and full-stack web development services. They have received overwhelmingly positive feedback, with 100% of reviewers noting the company's professionalism, responsiveness, and high-quality work. Clients particularly commend their ability to meet deadlines and deliver exceptional value, with no areas for improvement identified.
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$25,000+$150 - $199 / hr2 - 9Fargo, ND
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See all 6 projectsGnomon Technology specializes in delivering comprehensive Website Development and Web Application Development solutions. Feedback from clients is overwhelmingly positive, with a 100% satisfaction rate. Reviews highlight the company’s strong project management, effective communication, and ability to deliver on time while fostering a collaborative environment that exceeds client expectations.
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$10,000+$100 - $149 / hr2 - 9Portland, OR
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A·VIBE is a small web design agency. They focus on Web Design and Web Development and were launched in 2005.
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UndisclosedUndisclosed2 - 9Baton Rouge, LA
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Systems Services Incorporated is an e-commerce development company. Headquartered in Baton Rouge, Louisiana, the firm focuses on E-Commerce Development and Web Design.
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UndisclosedUndisclosed2 - 9Shawnee, KS
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Founded in 1992, CJK Software Consultants is a small IT strategy consulting company. Their services include IT strategy consulting and Web Development.
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UndisclosedUndisclosed2 - 9Plymouth, MA
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Digital Forge Design is a graphic design agency established in 2012. Based in Plymouth, Massachusetts, the team focuses on Graphic Design and Logo.
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UndisclosedUndisclosed2 - 9Dubuque, IA
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Established in 1999, Belstar Media, a small SEO agency, is based in Dubuque, Iowa. Their services include Search Engine Optimization and Digital Strategy.
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UndisclosedUndisclosed2 - 9Portland, OR
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Spot Color is a small Portland, Oregon-based branding agency. The team specializes in Branding and Search Engine Optimization.
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UndisclosedUndisclosed2 - 9Hillsboro, OR
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Patterncrab, a small e-commerce development company, is in Hillsboro, Oregon. Their services include E-Commerce Development and Web Design.
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UndisclosedUndisclosed2 - 9Austin, TX
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In Austin, Texas, LadyBird InfoTech, LLC. Is a small graphic design company. Their services include Graphic Design and Search Engine Optimization.
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UndisclosedUndisclosed2 - 9Boise, ID
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ABD Web Design is a web development firm. Launched in 2012, the agency specializes in Web Development and Graphic Design.
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UndisclosedUndisclosed2 - 9Ann Arbor, MI
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Web design company GILLeSolutions was established in 2015. The team specializes in Web Design and Web Development and is headquartered in Ann Arbor, Michigan.
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UndisclosedUndisclosed2 - 9Howell, MI
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Valentino Web Design is a Howell, Michigan-based web design agency. They focus on Web Design and Search Engine Optimization and were founded in 2011.
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UndisclosedUndisclosed2 - 9Ann Arbor, MI
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Cimulus is a small custom software development company based in Ann Arbor, Michigan. The team specializes in Custom Software Development and Web Development.
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UndisclosedUndisclosed2 - 9Port St. Lucie, FL
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Web design company Maxprom was founded in 2012. The team specializes in Web Design and Web Development and is based in Port St. Lucie, Florida.
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UndisclosedUndisclosed2 - 9Dayton, OH
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Established in 2017, Jetpack is a web design agency. The team specializes in Web Design and Branding.
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UndisclosedUndisclosed2 - 9Torino, Italy
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Alice Bottino Visual Designer is a small web design company established in 2009. Their team specializes in Web Design and Web Development.
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UndisclosedUndisclosed2 - 9Lancaster, CA
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Founded in 2009, Spurky Designs is a small graphic design company. Their services include Graphic Design and Social Media Marketing.
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UndisclosedUndisclosed2 - 9
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Launched in 2000, E.R.WEB, a small web design agency, is based in Torino, Italy. Their team focuses on Web Design and Web Development.
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UndisclosedUndisclosed2 - 9Walnut Creek, CA
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Miller Media - Walnut Creek is a custom software development firm. Founded in 2012, the firm is in Walnut Creek, California. Their services include Custom Software Development and Web Development.
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UndisclosedUndisclosed2 - 9Bratislava, Slovakia
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Naradesign s.r.o. Is an user experience design company. The Bratislava, Slovakia-based team provides UX/UI Design and E-Commerce Development.
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UndisclosedUndisclosed2 - 970.390-100 , Brazil
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Ad. House Publicidade & Propaganda is a website development company. The small 70.390-100 , Brazil-based team specializes in Web Development and Market Research. The agency was launched in 2011.
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UndisclosedUndisclosed2 - 9
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Small software development company Gionet, is located in Torino, Italy. Their services include Custom Software Development and Mobile App Development.
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UndisclosedUndisclosed2 - 9Walnut Creek, CA
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Somethumb Web Design and Development is a small website development company launched in 2003. Their team offers Web Development and Search Engine Optimization.
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UndisclosedUndisclosed2 - 9Torino, Italy
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AB Advisoring is a SEO services firm. Headquartered in Torino, Italy, the team specializes in Search Engine Optimization and Web Development.
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UndisclosedUndisclosed2 - 9Bologna, Italy
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Demetrio Polimeno is a web design company. Based in Bologna, Italy, their small team provides Web Design and Web Development. The company was launched in 2003.
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UndisclosedUndisclosed2 - 9Lawrence, KS
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LangfordMedia is an Email Marketing company. Their team is in Lawrence, Kansas and offers Email Marketing and Mobile App Development.
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UndisclosedUndisclosed2 - 9Amsterdam, Netherlands
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The Yellow Web is a web design agency. They are based in Amsterdam, Netherlands and have small team. Their services include Web Design and Web Development.
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UndisclosedUndisclosed2 - 9
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ABC WEB Design Studio is a small Advertising company in Rome, Italy. Their services include Advertising and Graphic Design.
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UndisclosedUndisclosed2 - 9Palma, Spain
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Advertising company Zink Marketing & Comunicación is headquartered in Palma, Spain. The team specializes in Advertising and Public Relations.
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List of the Top 15 JavaScript Development Companies
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$25,000+$50 - $99 / hr50 - 249Kraków, Poland
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$75,000+$100 - $149 / hr50 - 249Vancouver, Canada
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
90% Web Development50% JavaScript10% Other -
$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.5/40.019.6/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
45% Web Development75% JavaScript55% Other -
$10,000+< $25 / hr250 - 999Thiruvananthapuram, India
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38.5/40.019.2/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
50% Web Development50% JavaScript50% Other -
$25,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
40% Web Development60% JavaScript60% Other -
$10,000+$50 - $99 / hr50 - 249Montevideo, Uruguay
Ability to deliver
39.5/40.020/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
50% Web Development35% JavaScript50% Other -
$10,000+Undisclosed50 - 249San Francisco, CA
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
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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
Ability to deliver
39.3/40.020/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
30% Web Development70% JavaScript70% Other -
$5,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
36.5/40.017.6/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$25,000+$25 - $49 / hr50 - 249Newark, DE
Ability to deliver
39.8/40.019.8/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
40% Web Development35% JavaScript60% Other -
$5,000+$50 - $99 / hr50 - 249Chicago, IL
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
35% Web Development40% JavaScript65% Other -
$10,000+$25 - $49 / hr250 - 999San Francisco, CA
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
15% Web Development40% JavaScript85% Other -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
37.6/40.018.6/20 Reviews10/10 Clients & Experience9/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$50,000+$25 - $49 / hr50 - 249Kharkiv, Ukraine
Ability to deliver
36.8/40.017/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
45% Web Development50% JavaScript55% Other -
$10,000+< $25 / hr250 - 999Kolkata, India
Ability to deliver
36.7/40.019.4/20 Reviews9/10 Clients & Experience8.4/10 Market PresenceService focus
35% Web Development30% JavaScript65% Other -
$50,000+$100 - $149 / hr1,000 - 9,999San Francisco, CA
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38.7/40.018.8/20 Reviews9.9/10 Clients & Experience10/10 Market PresenceService focus
15% Web Development25% JavaScript85% Other -
$1,000+< $25 / hr250 - 999Walpole, MA
Ability to deliver
35.9/40.016.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
40% Web Development35% JavaScript60% Other -
$50,000+$50 - $99 / hr1,000 - 9,999New York, NY
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Web Development25% JavaScript90% Other -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
36.3/40.016.6/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$10,000+< $25 / hr250 - 999Hanoi, Vietnam
Ability to deliver
38.7/40.019.2/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
30% Web Development21% JavaScript70% Other -
$10,000+$25 - $49 / hr1,000 - 9,999Plano, TX
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36.9/40.017.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$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 -
$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
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.