Top JavaScript Developers
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Featured
What are Featured Providers?
$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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$1,000+< $25 / hr2 - 9
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RESTGroup is a small app development firm launched in 2018. Their services include Mobile App Development and cloud consulting & SI.
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$1,000+< $25 / hr2 - 9Bengaluru, India
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ERAINTERFACES is a Bengaluru, India-based website development company. They focus on Web Development and Mobile & App Marketing and were established in 2019.
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$1,000+$25 - $49 / hr2 - 9Lagos, Nigeria
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Niceweb Studios, a web development firm, provide Web Development and Mobile App Development. They were founded in 2020.
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$1,000+< $25 / hr2 - 9Taboão da Serra, Brazil
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Web design agency My Help Sites is headquartered in Taboão da Serra, Brazil. Launched in 2017, the team focuses on Web Design and Mobile App Development.
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$1,000+< $25 / hr2 - 9Nairobi, Kenya
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CodeTribe Kenya is a social media marketing agency. Established in 2015, the firm is based in Nairobi, Kenya. Their services include Social Media Marketing and Web Design.
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$1,000+< $25 / hr2 - 9Lahore, Pakistan
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DebugSol Software Solutions is a custom software development firm. The Lahore, Pakistan-based company was established in 2015. Their services include Custom Software Development and UX/UI Design.
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$1,000+$50 - $99 / hr2 - 9
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CNIT TECH, an user experience company, focus on UX/UI Design and E-Commerce Development. They were launched in 2017.
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$1,000+< $25 / hr2 - 9Karachi, Pakistan
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Zainaster - Web Development Company is a web development firm. Headquartered in Karachi, Pakistan, the team focuses on Web Development and E-Commerce Development.
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$1,000+< $25 / hr2 - 9New Delhi, India
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KWIKPIXELS PRIVATE LIMITED, a web design agency, is in New Delhi, India. They provide Web Design and Web Development.
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$5,000+$150 - $199 / hr2 - 9
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InHouse, a software development company, is based in Santa Monica, California. They specialize in Custom Software Development and Web Development and were founded in 2021.
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$25,000+$100 - $149 / hr2 - 9Collingwood, Canada
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Idextrus Inc. Is a cloud consulting & SI company. The team is located in Collingwood, Canada, and their services include cloud consulting & SI and Custom Software Development.
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Undisclosed< $25 / hr10 - 49Guwahati, India
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See all 2 projectsGrandposh Techno Private Limited excels in website development and SEO services, delivering high-quality websites with unique designs at affordable rates. Clients have noted increased business visibility and praised the company's effective workflow and dedicated team. However, there is a suggestion for expanding into video editing and 3D graphics.
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$1,000+< $25 / hr2 - 9Bokaro Steel City, India
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Webs Event is a small Bokaro Steel City, India-based SEO company. Their services include Search Engine Optimization and Web Design.
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$1,000+$50 - $99 / hr2 - 9București, Romania
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The Projekt Company is a small custom software development company established in 2016. Their services include Custom Software Development and IT managed services.
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$5,000+$25 - $49 / hr2 - 9Rawalpindi, Pakistan
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Mesh99 is a Rawalpindi, Pakistan-based software development company. Founded in 2015, the team specializes in Custom Software Development and Web Development.
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$10,000+$25 - $49 / hr50 - 249Bengaluru, India
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Agathsya Technologies, an artificial intelligence firm, was founded in 2018. The team provides Artificial Intelligence and Web Development.
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$1,000+< $25 / hr50 - 249
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See all 1 projectsAiran Global provides accounting, bookkeeping, and payroll management services. Reviews highlight their on-time delivery, 24/7 availability, and ability to handle client needs effectively. Clients appreciate their alignment with company values and budget, making Airan Global a reliable partner.
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$1,000+$25 - $49 / hr2 - 9
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See all 1 projectsUnder the SWOT umbrella, we are a leading web development company in Malaysia, offering comprehensive digital solutions including custom website development, web applications, and digital
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$10,000+$200 - $300 / hr2 - 9Birmingham, England
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Being Guided, a software development company, was established in 2000. Headquartered in Birmingham, England, the team focuses on Custom Software Development and Digital Strategy.
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$1,000+< $25 / hr2 - 9
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GadgetApp Development is a mobile app development firm. They are in Ahmedabad, India, and their services include Mobile App Development and Web Development.
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UndisclosedUndisclosed2 - 9
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JSM Digital Marketing is a SEO services firm in New Delhi, India. Their services include Search Engine Optimization and Web Design.
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$5,000+$100 - $149 / hr2 - 9Paddington, Australia
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Puremedia is an e-commerce development company. The team is located in Paddington, Australia and Pyrmont, Australia, and their services include E-Commerce Development and Social Media Marketing.
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$5,000+$25 - $49 / hr2 - 9
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Launched in 2016, Invisio Digital Solutions is a custom software development firm. Their services include Custom Software Development and Web Development.
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UndisclosedUndisclosed2 - 9Glasgow , Scotland
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Ecatenate Limited, a custom software development company, was founded in 2001. Headquartered in Glasgow , Scotland, the team provides Custom Software Development and Application Management &
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$10,000+$50 - $99 / hr2 - 9
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Small UX design company Clean Forest Web Solutions Inc., is headquartered in Canada and Taiwan. The team provides UX/UI Design and Blockchain.
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$1,000+$50 - $99 / hr2 - 9Maudsland, Australia
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Launched in 2016, ZipSites is a web design agency. The company focuses on Web Design and Digital Strategy, and is small.
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$5,000+$100 - $149 / hr2 - 9Chatham, England
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Brave Little Tank is a web development firm based in Chatham, England. Their services include Web Development and Web Design.
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$1,000+$25 - $49 / hr2 - 9Folsom, CA
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Launched in 2017, IGNITE LOGIX is a small software development firm. Their services include Custom Software Development and Web Development.
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$1,000+$25 - $49 / hr2 - 9Novi Sad, Serbia
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Decem, a website development company, focuses on Web Development and E-Commerce Development. The firm is based in Novi Sad, Serbia.
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$1,000+< $25 / hr2 - 9Chorley, England
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Techspire Solutions, a graphic design company, is based in Chorley, England. Their services include Graphic Design and Web Development.
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$1,000+$50 - $99 / hr2 - 9Dolphin Coast, South Africa
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Established in 2009, Simply Graphic is an e-commerce development company. The team provides E-Commerce Development and Web Design.
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$1,000+$50 - $99 / hr2 - 9United Arab Emirates
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Established in 2018, Taptonics. Is a software development company. The team provides Custom Software Development and Web Design.
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$1,000+$100 - $149 / hr2 - 9Spotsylvania Courthouse, VA
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Simpatico Design Studio is a small branding company launched in 2005. Their team specializes in Branding and Web Design.
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$1,000+< $25 / hr2 - 9Ahmedabad, India
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Based in Ahmedabad, India, AppBits Technologies Private Limited is a mobile application development firm. Founded in 2014, the team provides Mobile App Development and Custom Software Development.
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$1,000+Undisclosed2 - 9Brownstown Charter Township, MI
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HREF Creative is a small Brownstown Charter Township, Michigan-based Digital Strategy company. The team offers Digital Strategy and Social Media Marketing.
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$1,000+$100 - $149 / hr2 - 9København, Denmark
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Apptitude is a software development company. The small København, Denmark-based team focuses on Custom Software Development and Other Application Development. The company was founded in 2021.
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Undisclosed$25 - $49 / hr2 - 9Brøndby Strand, Denmark
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Cyberdata Web and app development is a small website development firm founded in 2004. Their team specializes in Web Development and E-Commerce Development.
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$1,000+$25 - $49 / hr2 - 9L'viv, Ukraine
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Amp_proger is a web development firm located in L'viv, Ukraine and Łódź, Poland. Launched in 2018, the team provides Web Development and E-Commerce Development.
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$1,000+< $25 / hr2 - 9
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WebLift is an UX design agency. The small Albuquerque, New Mexico-based team offers UX/UI Design and Web Design. The firm was launched in 2023.
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$1,000+< $25 / hr2 - 9
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Web design company Knot Tech was founded in 2024. The company offers Web Design and UX/UI Design, and is small.
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$1,000+< $25 / hr2 - 9
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Vape Store Promotion, a SEO agency, was launched in 2023. In New Delhi, India and Greater Noida, India, the team specializes in Search Engine Optimization and Web Development.
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$1,000+< $25 / hr2 - 9Colombo, Sri Lanka
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TecRocket Space is a social media marketing firm. Established in 2017, the team focuses on Social Media Marketing and Search Engine Optimization.
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$1,000+$150 - $199 / hr2 - 9McKinney, TX
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Darkspire, Inc. Is an Email Marketing company. Established in 2012, their team provides Email Marketing and IT managed services.
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Undisclosed$50 - $99 / hr2 - 9Uppsala, Sweden
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Web design company Red Onion was established in 2010. The small team offers Web Design and UX/UI Design.
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$1,000+$100 - $149 / hr2 - 9Boston, MA
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Responsab LLC is a small web design agency founded in 2018. Their team specializes in Web Design and UX/UI Design.
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$1,000+$25 - $49 / hr2 - 9
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Web Features, a SEO services firm, was launched in 2015. The company offers Search Engine Optimization and Web Design, and is small.
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$1,000+$50 - $99 / hr2 - 9
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Established in 2022, Agence web SOWebsite is a social media marketing firm. In Voiron, France, the team focuses on Social Media Marketing and Search Engine Optimization.
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Undisclosed< $25 / hr2 - 9South Dumdum, India
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WebTechSolz , a social media marketing firm, is located in South Dumdum, India. They focus on Social Media Marketing and Search Engine Optimization and were established in 2009.
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$5,000+$25 - $49 / hr2 - 9
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Graphic design company WORKLOOPER CONSULTANTS INC. Was established in 2023. The firm focuses on Graphic Design and Branding, and is small.
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$1,000+< $25 / hr2 - 9Ahmedabad, India
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Probus-Digital-Marketing is a web design agency established in 2020. The agency provides Web Design and Web 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
Ability to deliver
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.