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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$1,000+< $25 / hr10 - 49Kathmandu, Nepal
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Established in 2019, Codniv Innovations is a small custom software development company. Their services include Custom Software Development and Web Development.
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Undisclosed< $25 / hr50 - 249Noida, India
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Established in 2004, Creative Web Logix is a midsize Noida, India-based app development company. Their services include Mobile App Development and Web Development.
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$25,000+< $25 / hr10 - 49Surat, India
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See all 2 projectsPrilancers Infotech – Innovating the Future of Software Solutions We are a dynamic software company specializing in cutting-edge technologies, offering end-to-end development services and
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$10,000+$50 - $99 / hr50 - 249Cape Town, South Africa
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Rogerwilco is a Cape Town, South Africa-based Digital Strategy company. Their services include Digital Strategy and Search Engine Optimization.
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$5,000+$25 - $49 / hr10 - 49Sahibzada Ajit Singh Nagar, India
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Gainsboro Infotech is a small mobile application development company. Launched in 2013, the team focuses on Mobile App Development and UX/UI Design.
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$1,000+< $25 / hr10 - 49Sokyriany, Ukraine
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UX agency BizMental was established in 2018. The team provides UX/UI Design and Web Design and is headquartered in Sokyriany, Ukraine.
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$1,000+$100 - $149 / hrFreelancer
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See all 1 projectsSunrise Coding is a web development company specializing in custom website development and web application development services. However, the feedback reveals a concerning pattern, with 100% of reviewers indicating negative experiences regarding project completion, communication, and unmet deadlines, highlighting the need for significant improvements in their project management and service delivery.
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$1,000+$150 - $199 / hr2 - 9Omaha, NE
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FameYah Media, Marketing, Ads is a small Seymour, Tennessee-based Mobile & App Marketing company. Their services include Mobile & App Marketing and Search Engine Optimization.
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$1,000+$25 - $49 / hr50 - 249Indore, India
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Advantal Technologies is an Indore, India-based mobile app development firm. They specialize in Mobile App Development and Custom Software Development and were launched in 2010.
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$1,000+$50 - $99 / hr2 - 9Sandy, UT
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Checkmate Productions, LLC is a web development company launched in 1999. The agency specializes in Web Development and Search Engine Optimization.
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Undisclosed$100 - $149 / hr10 - 49Denver, CO
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Web development company Chronos Interactive is based in Denver, Colorado. Their services include Web Development and Mobile App Development.
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$5,000+$150 - $199 / hr10 - 49Plano, TX
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Web design company Lifeblue was established in 2006. The small team focuses on Web Design and UX/UI Design.
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Undisclosed$25 - $49 / hr10 - 49
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Trisoft is a software development firm launched in 2007. Their services include Custom Software Development and Web Development.
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$5,000+< $25 / hr10 - 49Mumbai, India
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Catalyst Media Integrated LLP, a website development company, is located in Mumbai, India. They focus on Web Development and Mobile App Development and were launched in 2019.
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$25,000+$150 - $199 / hr10 - 49Santander, Spain
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Founded in 2013, Mubien is a small Santander, Spain-based branding company. Their services include Branding and Web Design.
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$50,000+$50 - $99 / hr10 - 49Prague, Czech Republic
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ASN Plus s.r.o is a custom software development company. In Prague, Czech Republic, the company offers Custom Software Development and Digital Engineering.
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$10,000+$150 - $199 / hr10 - 49Dallas, TX
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Website development firm Prismfly is located in Dallas, Texas. Their services include Web Development and Email Marketing.
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$5,000+$100 - $149 / hr2 - 9Herlev, Denmark
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W360 ApS is a SEO agency. The Herlev, Denmark-based team specializes in Search Engine Optimization and Marketing Strategy.
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$1,000+$25 - $49 / hr10 - 49Washington Township, NJ
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South Jersey Web Design is a web design company. Founded in 2010, the team offers Web Design and Search Engine Optimization.
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$1,000+$25 - $49 / hr2 - 9
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EXOEVER LLC, a web design agency, is based in Savannah, Georgia. The team specializes in Web Design and Custom Software Development.
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$5,000+< $25 / hr10 - 49Salem, India
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Macincode Technologies Private Limited is an app development firm. Founded in 2019, the agency specializes in Mobile App Development and Web Development.
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$1,000+< $25 / hr10 - 49Ghaziabad, India
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See all 1 projectsBeacon Coders delivers comprehensive Website Development and Web Design services, including SEO optimization, content creation, and social media management. Reviews consistently highlight their exceptional project management, responsiveness, and impressive results, such as increased organic traffic and improved search engine rankings. Their meticulous approach and dedication to excellence position them as a premier choice for web programming and online development needs.
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$5,000+$100 - $149 / hr2 - 9Leesburg, VA
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KM Digital is an UX design company. They are headquartered in Leesburg, Virginia and have small team. They focus on UX/UI Design and Web Development.
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$5,000+$100 - $149 / hr2 - 9Friendswood, TX
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Web development firm SOURCE Web Solutions, Inc. Was established in 2003. The agency specializes in Web Development and UX/UI Design.
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$1,000+Undisclosed2 - 9
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Vizon is a web design company and website development firm. The Arnold, Maryland-based company focuses on Web Design and Web Development.
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$1,000+$25 - $49 / hr2 - 9
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LimeLabs is a software development firm. They are based in Sofia, Bulgaria and Sofia, Bulgaria. Their team offers Custom Software Development and Web Development.
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$10,000+$25 - $49 / hr2 - 9
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The PHPGuys is a website development company. Their small team is located in Kyiv, Ukraine. Their services include Web Development and Custom Software Development.
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$1,000+$25 - $49 / hr2 - 9
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Bogota Bootcamp is a website development company. They offer Web Development and Custom Software Development and are based in Bogota, Colombia.
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$10,000+$50 - $99 / hr2 - 9
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Established in 2015, Garbott is a web development firm. The team specializes in Web Development and Cybersecurity.
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$1,000+$25 - $49 / hr2 - 9
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Digimoz Technologies is a website development firm. Their small team is located in Mohali, India. Their team provides Web Development and UX/UI Design.
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$1,000+$25 - $49 / hr2 - 9Tychy, Poland
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KUANDO, a website development company, is headquartered in Tychy, Poland. They offer Web Development and UX/UI Design.
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$1,000+< $25 / hr2 - 9Karachi, Pakistan
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Recycling Media is a website development company established in 2017. Headquartered in Karachi, Pakistan, the team focuses on Web Development and E-Commerce Development.
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Undisclosed$25 - $49 / hr2 - 9Chittagong, Bangladesh
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Codist is a web development firm. Established in 2014, the company is headquartered in Buffalo, New York and Chittagong, Bangladesh. Their team specializes in Web Development and Web Design.
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$5,000+$50 - $99 / hr2 - 9Ballina, Ireland
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DigitalLab Design is a website development firm founded in 2016. Their team offers Web Development and UX/UI Design.
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$1,000+$25 - $49 / hr2 - 9Kyiv, Ukraine
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U-Knight Web Studio LLC is a website development firm. They provide Web Development and UX/UI Design and are based in Kyiv, Ukraine and Berlin, Germany.
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$5,000+$50 - $99 / hr2 - 9
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Website development company WE3 Solutions is based in Vancouver, Canada and Mumbai, India. They provide Web Development and Mobile App Development and were launched in 2018.
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$5,000+< $25 / hr2 - 9Karachi, Pakistan
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Likeitsolutions is a Karachi, Pakistan-based web development company. They provide Web Development and Mobile App Development and were established in 2019.
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UndisclosedUndisclosed2 - 9Farmington, MN
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Reciprocity ROI, LLC, an UX company, was launched in 2016. The small team specializes in UX/UI Design and Web Development.
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UndisclosedUndisclosed2 - 9Rotorua, New Zealand
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Established in 2019, CompAway is a web design company. The team specializes in Web Design and Web Development and is located in Rotorua, New Zealand.
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$10,000+$100 - $149 / hr2 - 9Paxinos, PA
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Francis Ventures is a software development company headquartered in Paxinos, Pennsylvania. Established in 2006, the team focuses on Custom Software Development and Mobile App Development.
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UndisclosedUndisclosed2 - 9Harvard, MA
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Graphic design agency Still River Creative is in Harvard, Massachusetts. They focus on Graphic Design and Marketing Strategy.
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$1,000+$50 - $99 / hr2 - 9Montréal-Est, Canada
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Prositeweb Inc. Is a SEO company based in Montréal-Est, Canada. Founded in 2015, the team provides Search Engine Optimization and Web Design.
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$25,000+$25 - $49 / hr2 - 9Kempton Park, South Africa
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Southern Sons Group is a Kempton Park, South Africa-based web design agency. The team specializes in Web Design and Web Development.
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$1,000+$50 - $99 / hr2 - 9Bountiful, UT
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SEO company Linkasaur.us was launched in 2019. Based in Bountiful, Utah, the team focuses on Search Engine Optimization and Web Design.
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$5,000+$100 - $149 / hr2 - 9Leeds, England
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Website development company Synechis is in Leeds, England. Established in 2012, the team specializes in Web Development and UX/UI Design.
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UndisclosedUndisclosed2 - 9Delhi, India
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CodexEra Technology LLP is a web development firm. Based in Delhi, India, the company provides Web Development and Email Marketing.
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$1,000+$25 - $49 / hr2 - 9Hyderabad, India
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Founded in 2014, Simbotix is a small Hyderabad, India-based application development company. Their team focuses on Mobile App Development and Mobile & App Marketing.
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UndisclosedUndisclosed2 - 9Kampala, Uganda
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Webstar is a web design company and website development company. Their small team is in Kampala, Uganda. Their services include Web Design and Web Development.
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$5,000+$100 - $149 / hr2 - 9Hamburg, Germany
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AVERIO Connect GmbH is a custom software development firm. They were launched in 2018, and their services include Custom Software Development and cloud consulting & SI.
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$1,000+$50 - $99 / hr2 - 9Svoge, Bulgaria
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Kiboko Labs Ltd is a website development firm. Located in Svoge, Bulgaria, the agency was launched in 2012. Their team offers Web Development and Custom Software Development.
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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
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
45% Web Development75% JavaScript55% 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
Ability to deliver
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 -
$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 -
$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 -
$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.