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 87 projectsDigis, a Fiverr company (NYSE: FVRR), is a web development firm offering comprehensive solutions in custom website development, full-stack web development, and web application development. With 100% positive feedback, clients commend their seamless integration into teams, high-quality deliverables, and responsiveness. Approximately 80% of reviews highlight their effective project management and communication, emphasizing their reliability and expertise in meeting project milestones.
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Launched in 2022, Oapp Software Engineering & Cybersecurity is a custom software development company. The firm offers Custom Software Development and Web Development.
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$1,000+$25 - $49 / hr2 - 9Kolkata, India
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Capsquery Private Limited is a custom software development firm. The team is located in Kolkata, India, and their services include Custom Software Development and Web Development.
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$1,000+$25 - $49 / hr2 - 9New Delhi, India
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OnEggy Technologies Pvt Ltd is a web design agency. Headquartered in New Delhi, India, their team offers Web Design and UX/UI Design.
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$1,000+$25 - $49 / hr2 - 9
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IB Technologies Pvt Ltd is a website development company. They were launched in 2008 and focus on Web Development and Social Media Marketing.
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$1,000+< $25 / hr2 - 9Ahmedabad, India
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Webcore Solution, a small website development firm, is located in Ahmedabad, India. The team provides Web Development and Web Design.
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$1,000+$50 - $99 / hr2 - 9Lausanne, Switzerland
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Launched in 2018, Share out is a website development firm. Their team offers Web Development and Web Design.
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$1,000+$100 - $149 / hr2 - 9Irvine, CA
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Breakaway Dezigns Agency, a Marketing Strategy company, is in Irvine, California. Their services include Marketing Strategy and Search Engine Optimization.
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$10,000+$25 - $49 / hr2 - 9Kaunas, Lithuania
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Founded in 2020, Confistech is an IT staff augmentation company. The team focuses on IT staff augmentation and Custom Software Development and is headquartered in Kaunas, Lithuania.
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$5,000+$25 - $49 / hr2 - 9Kosice, Slovakia
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Founded in 2017, ORKA systems is a small software development company. Their services include Custom Software Development and Web Development.
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$1,000+< $25 / hr2 - 9Ahmedabad, India
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In Ahmedabad, India, Ker Infotech is a small IT staff augmentation company. The team specializes in IT staff augmentation and Web Development.
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$5,000+Undisclosed2 - 9Surat, India
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Laxicon Solution is a Surat, India-based social media marketing agency. They provide Social Media Marketing and ERP consulting and SI.
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Undisclosed< $25 / hr2 - 9
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Mahim Info Tech is an app development company in Hyderabad, India. Their services include Mobile App Development and Web Development.
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$10,000+$100 - $149 / hr2 - 9Kitchener, Canada
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Northern Devs, a website development company, is based in Kitchener, Canada. They provide Web Development and E-Commerce Development and were launched in 2022.
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$1,000+$50 - $99 / hr2 - 9
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D2B Sp. Z o.o. Is a small website development firm headquartered in Warszawa, Poland. The team offers Web Development and Digital Strategy.
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$1,000+< $25 / hr2 - 9Jaipur, India
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WP Debug Fix is a web design company. Their small team of employees is in Jaipur, India. Their team focuses on Web Design and Web Development.
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$10,000+$25 - $49 / hr2 - 9
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Nectarbits Solutions Inc. Is a Surrey, Canada-based software development firm. Launched in 2023, the team focuses on Custom Software Development and Web Development.
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Undisclosed$25 - $49 / hr2 - 9
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Launched in 2015, Beekeeper Design Studio is a small web design agency. Their services include Web Design and Web Development.
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UndisclosedUndisclosed2 - 9
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Coders Developer is a mobile application development firm located in Bangkok, Thailand. Their services include Mobile App Development and Social Media Marketing.
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$10,000+$50 - $99 / hr2 - 9Santo Domingo, Dominican Republic
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Ab4cus Tecnologia, a cloud consulting & SI company, specialize in cloud consulting & SI and Custom Software Development. They were established in 2010.
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$25,000+$100 - $149 / hr2 - 9Charlotte, NC
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Based in Charlotte, North Carolina, Vokality is a software development company. Established in 2020, the team offers Custom Software Development and Artificial Intelligence.
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Undisclosed$50 - $99 / hr2 - 9Columbia, SC
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Castle Conrad Media, a graphic design agency, was launched in 2022. In Columbia, South Carolina, the team offers Graphic Design and Video Production.
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$1,000+$150 - $199 / hr2 - 9Cocoa Beach, FL
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In Cocoa Beach, Florida, Pfaff Digital is a social media marketing company. They specialize in Social Media Marketing and Search Engine Optimization.
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$1,000+$100 - $149 / hr2 - 9
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Established in 2022, Mirakii Consulting is a small web development company. Their services include Web Development and Pay Per Click.
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$1,000+$50 - $99 / hr2 - 9Charleston, SC
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Established in 2020, Barracuda Designs is a website development company. Their team focuses on Web Development and Search Engine Optimization.
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$1,000+$25 - $49 / hr2 - 9
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Founded in 2018, Xact Designs is a graphic design company. The company specializes in Graphic Design and Mobile App Development.
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$1,000+$50 - $99 / hr2 - 9Greater Noida, India
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I36 Design LLC is a branding agency located in Al Batayih, United Arab Emirates and Greater Noida, India. They specialize in Branding and Web Design.
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$250,000+$50 - $99 / hr2 - 9München, Germany
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Interbranche Internetagentur München GmbH is a München, Germany-based web development firm. They offer Web Development and Mobile App Development.
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$1,000+< $25 / hr2 - 9Okara, Pakistan
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Apna Developer is a social media marketing firm. Launched in 2021, the firm is in Okara, Pakistan. Their services include Social Media Marketing and Search Engine Optimization.
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$5,000+$50 - $99 / hr2 - 9
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Community Juice, a Blockchain company, was launched in 2021. The company provides Blockchain and Web Development, and is small.
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$25,000+$100 - $149 / hr2 - 9
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Based in , Digitus Data is an user experience design agency. They specialize in UX/UI Design and Web Development and were founded in 2016.
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$1,000+$25 - $49 / hr2 - 9Kochi, India
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Asubrix International Pvt Ltd, a SEO services firm, was launched in 2022. The small team specializes in Search Engine Optimization and Custom Software Development.
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UndisclosedUndisclosed2 - 9
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TechQ Consulting Services is an IT strategy consulting company. They are based in Kingston, Canada. Their team specializes in IT strategy consulting and Cybersecurity.
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UndisclosedUndisclosed2 - 9
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Established in 2018, Acaycia Digital Agency is a social media marketing company. Headquartered in , the team offers Social Media Marketing and Search Engine Optimization.
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Undisclosed$200 - $300 / hr2 - 9Morton Grove, IL
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DynexTech is a web design agency. They are in Morton Grove, Illinois, and their services include Web Design and UX/UI Design.
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STREAMPIXELS, a SEO company, was established in 2010. The team provides Search Engine Optimization and Pay Per Click and is based in Accra, Ghana.
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$1,000+$25 - $49 / hr2 - 9
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Etechnomate Services Pvt Ltd, an user experience design agency, provide UX/UI Design and Web Development. They were established in 2020.
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$25,000+$100 - $149 / hr2 - 9Seminole, FL
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Relecon is a web design company. They were established in 2018, and their services include Web Design and cloud consulting & SI.
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Undisclosed< $25 / hr2 - 9Karachi, Pakistan
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Social media marketing company Techwielders is headquartered in Karachi, Pakistan. They focus on Social Media Marketing and Search Engine Optimization.
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Undisclosed< $25 / hr2 - 9New York, NY
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DigitorMatrix is a Conversion Optimization company. They are in New York, New York, and their services include Conversion Optimization and Search Engine Optimization.
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UndisclosedUndisclosed2 - 9Delhi, India
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Brandtisers Media is a social media marketing agency. The Delhi, India-based firm provides Social Media Marketing and Search Engine Optimization.
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$1,000+$25 - $49 / hr2 - 9
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AppVaze is an app development firm launched in 2019. The firm provides Mobile App Development and Web Development, and is small.
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$10,000+$100 - $149 / hr2 - 9
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MSD Web Studio, a SEO services firm, provides Search Engine Optimization and Pay Per Click. The company is headquartered in Niš, Serbia and Niš, Serbia.
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Undisclosed< $25 / hr2 - 9
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MTZINFOTECH is a Surat, India-based UX design company. They focus on UX/UI Design and Custom Software Development and were launched in 2017.
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$1,000+$50 - $99 / hr2 - 9
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MindMeld Interactive is a SEO services firm headquartered in Vista, California. The team offers Search Engine Optimization and Web Development.
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$1,000+$25 - $49 / hr2 - 9Barranquilla, Colombia
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Business Legal BL is a Marketing Strategy company. The team focuses on Marketing Strategy and Search Engine Optimization and is based in Barranquilla, Colombia.
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$1,000+< $25 / hr2 - 9Ewing Township, NJ
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In Ewing Township, New Jersey, Mselleo is a Market Research company. The team focuses on Market Research and Search Engine Optimization.
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$1,000+$25 - $49 / hr2 - 9Hisar, India
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Phenom IT is a web design company. Established in 2023, the company specializes in Web Design and Custom Software Development.
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$1,000+< $25 / hr2 - 9Biñan, Philippines
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JJSC IT Solutions, a social media marketing company, was launched in 2019. They offers Social Media Marketing and Search Engine Optimization.
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$5,000+$100 - $149 / hr2 - 9Birmingham, England
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Website Design Agency, a branding agency, was founded in 2008. The small team provides Branding and Search Engine Optimization.
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$1,000+$100 - $149 / hr2 - 9Chania, Greece
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TechPals is a cloud consulting & SI company established in 2022. The company specializes in cloud consulting & SI and Custom Software Development, and is small.
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List of the Top 15 JavaScript Development Companies
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$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
50% Web Development70% JavaScript50% Other -
$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 -
$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
37.7/40.018.4/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
50% Web Development50% JavaScript50% Other -
$10,000+Undisclosed50 - 249San Francisco, CA
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38.9/40.019.6/20 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
39.3/40.019.8/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
50% Web Development35% JavaScript50% Other -
$50,000+$100 - $149 / hr1,000 - 9,999San Francisco, CA
Ability to deliver
39.9/40.020/20 Reviews9.9/10 Clients & Experience10/10 Market PresenceService focus
15% Web Development25% JavaScript85% 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 -
$25,000+$25 - $49 / hr50 - 249Newark, DE
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
40% Web Development35% JavaScript60% 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+$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 -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
36.8/40.017.2/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
60% Web Development45% JavaScript40% 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 - 9,999L'viv, Ukraine
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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 -
$10,000+$25 - $49 / hr250 - 999New York, NY
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
30% Web Development15% JavaScript70% 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 -
$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 -
$50,000+$150 - $199 / hr50 - 249Matlock, England
Ability to deliver
38.2/40.018.4/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
100% Web Development30% JavaScript -
$1,000+< $25 / hr1,000 - 9,999Los Angeles, CA
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36.9/40.019.6/20 Reviews9.3/10 Clients & Experience8/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$10,000+$50 - $99 / hr10 - 49Warszawa, Poland
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37.8/40.018.6/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
50% Web Development70% JavaScript50% Other -
$50,000+$150 - $199 / hr50 - 249New York, NY
Ability to deliver
35.9/40.016.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$50,000+$150 - $199 / hr250 - 999Irvine, CA
Ability to deliver
36.4/40.016.4/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
30% Web Development30% JavaScript70% Other -
$10,000+< $25 / hr250 - 999Hanoi, Vietnam
Ability to deliver
37.9/40.018.6/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
30% Web Development21% JavaScript70% Other -
$100,000+$25 - $49 / hr250 - 999Cebu City, Philippines
Ability to deliver
38.1/40.019.4/20 Reviews10/10 Clients & Experience8.7/10 Market PresenceService focus
30% Web Development20% 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.