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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$1,000+< $25 / hr10 - 49Pimpri-Chinchwad, India
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MediaG is a PPC company established in 2019. The team focuses on Pay Per Click and Web Design.
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$5,000+$100 - $149 / hr10 - 49Tres Rios, Costa Rica
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Software SOEFE S.A. Is a software development firm. Based in Tres Rios, Costa Rica, their team specializes in Custom Software Development and Application Management & Support.
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$1,000+$25 - $49 / hr10 - 49Szeged, Hungary
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WebOrbit Informatics Ltd. Is a software development company. They are located in Szeged, Hungary and have small team. They offer Custom Software Development and Web Development.
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$1,000+< $25 / hr10 - 49Boston, MA
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Flevio is a social media marketing firm in Boston, Massachusetts and Red Hill, Australia. Established in 2015, the team focuses on Social Media Marketing and Web Design.
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$1,000+$25 - $49 / hr10 - 49
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Launched in 2018, Renedes is a web development company. The company provides Web Development and Mobile App Development, and is small.
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UndisclosedUndisclosed10 - 49
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Digital Squad Division is a branding firm. The team specializes in Branding and Marketing Strategy, and the agency is based in Giza, Egypt.
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$5,000+$50 - $99 / hr2 - 9Warszawa, Poland
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Usual Software Company is an IT strategy consulting company. Founded in 2019, their team offers IT strategy consulting and cloud consulting & SI.
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$10,000+< $25 / hr50 - 249Bengaluru, India
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Software development firm Advanced Millennium Technologies offers Custom Software Development and Application Management & Support. They were founded in 2002.
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Undisclosed$50 - $99 / hr50 - 249
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RipeConcepts, INC. Is a Back Office Outsourcing company. They specialize in Back Office Outsourcing and E-Commerce Development and were established in 2009.
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$1,000+< $25 / hr50 - 249
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Bitcoin Exchange & Blockchain Development Company is a SEO agency located in. Their services include Search Engine Optimization and Direct Marketing.
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$1,000+$200 - $300 / hr2 - 9Kentwood, MI
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SuccessAmp LLC is a small SEO agency founded in 2008. Their team specializes in Search Engine Optimization and Pay Per Click.
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$5,000+$25 - $49 / hr2 - 9Lahore, Pakistan
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ZSTRONICS is a website development firm. Established in 2022, the firm is in Lahore, Pakistan. Their team specializes in Web Development and Mobile App Development.
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$1,000+< $25 / hr2 - 9
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See all 1 projectsBlooms Web specializes in ecommerce store development, including website redesign, product addition, SEO optimization, and integration of payment and shipping methods. The overall feedback highlights their good project management, timely delivery, and dedicated customer support. However, there is a suggestion to improve their process efficiency and adoption of the latest technology tools.
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$1,000+< $25 / hr10 - 49Ahmedabad, India
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TableFlow Tech Private Limited, an user experience agency, is based in Ahmedabad, India. The team focuses on UX/UI Design and Custom Software Development.
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$1,000+$25 - $49 / hr10 - 49Casablanca, Morocco
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See all 1 projectsAl Misbah Informatique specializes in Website Development and Web Programming, offering tailored solutions such as custom CRM systems and mobile applications. Reviews highlight their professionalism, effective communication, and ability to deliver comprehensive web solutions that exceed client expectations. The team is praised for its availability and expertise, ensuring successful project outcomes.
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Undisclosed< $25 / hr10 - 49Chennai, India
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WeKanCode is an app development company. Founded in 2015, the team provides Mobile App Development and Web Development.
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$50,000+$25 - $49 / hr10 - 49
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Founded in 2014, Affity Solutions Pvt. Ltd is a small Application Management & Support company. Their team offers Application Management & Support and E-Commerce Development.
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$100,000+$150 - $199 / hr10 - 49Sydney, Australia
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Love Agency is an application development firm. Founded in 2008, the team specializes in Mobile App Development and UX/UI Design. The company is located in Sydney, Australia.
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$10,000+< $25 / hr10 - 49
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Zingbytes It Solutions is a mobile application development firm. The agency is located in Indore , India. Their services include Mobile App Development and Web Development.
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$10,000+$100 - $149 / hr10 - 49Lake Oswego, OR
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Media Mechanic is a web design company. The team specializes in Web Design and Mobile App Development, and the company is in Lake Oswego, Oregon.
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$10,000+$100 - $149 / hr10 - 49Milton Keynes, England
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Launched in 2007, Spinbox is a software development company. The team provides Custom Software Development and Web Development.
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$1,000+$25 - $49 / hr10 - 49Poznań, Poland
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Lorentus Ltd. Is a custom software development firm. The Sutton, England-based company was founded in 2014. Their services include Custom Software Development and Mobile App Development.
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UndisclosedUndisclosed10 - 49
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SEO Era is a SEO company. Located in , the team specializes in Search Engine Optimization and Web Design.
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$5,000+$100 - $149 / hr10 - 49Helsinki, Finland
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Montel Intergalactic is a cloud consulting & SI company. They offer cloud consulting & SI and Custom Software Development and are located in Helsinki, Finland and Neuquen, Argentina.
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$5,000+< $25 / hr10 - 49Mumbai, India
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Cybermax Solutions is a custom software development firm. The team is in Mumbai, India, and their services include Custom Software Development and Web Development.
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UndisclosedUndisclosed10 - 49Giza, Egypt
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Unplugged is an UX design agency. They are in Giza, Egypt and have small team of experts. Their services include UX/UI Design and Web Design.
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$1,000+$25 - $49 / hr10 - 49
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IMAS, a custom software development company, is based in Vilnius, Lithuania. The team specializes in Custom Software Development and Blockchain.
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$5,000+$100 - $149 / hr10 - 49Sandton, South Africa
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Black Snow Agency, a social media marketing agency, is headquartered in Sandton, South Africa and Cape Town, South Africa. Their services include Social Media Marketing and Digital Strategy.
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$5,000+$25 - $49 / hr10 - 49
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Software development company Acuminous Software Pvt Ltd was founded in 2010. The agency provides Custom Software Development and Application Testing.
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$50,000+$150 - $199 / hr10 - 49Portsmouth, NH
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Bowst, a software development company, offers Custom Software Development and UX/UI Design. The firm is in Portsmouth, New Hampshire.
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$25,000+$50 - $99 / hr10 - 49Longford, Ireland
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UX company Purpledecks is in Longford, Ireland and. The team focuses on UX/UI Design and Mobile App Development.
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Undisclosed< $25 / hr10 - 49
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HashTag Technologies is a custom software development firm established in 2014. Their services include Custom Software Development and E-Commerce Development.
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Undisclosed< $25 / hrFreelancerAhmedabad, India
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Sohan Vanani- Freelance Developer is an app development firm. The team offers Mobile App Development and Web Development, and the firm is located in Ahmedabad, India.
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$5,000+$100 - $149 / hr10 - 49Guildford, England
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Equals Collective, a small user experience design company, is in Guildford, England. The team focuses on UX/UI Design and E-Commerce Development.
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UndisclosedUndisclosed10 - 49Nottingham , England
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Established in 2002, The Computer Shop is a small IT managed services company headquartered in Nottingham , England. Their team focuses on IT managed services and Web Design.
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UndisclosedUndisclosed10 - 49Buenos Aires, Argentina
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Conde Graphics SEO Agency is a small Marketing Strategy company headquartered in Buenos Aires, Argentina. The team provides Marketing Strategy and Search Engine Optimization.
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$1,000+$25 - $49 / hr10 - 49Kyiv, Ukraine
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Founded in 2014, Silvito is a website development company. The team provides Web Development and AR/VR development and is based in Kyiv, Ukraine.
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$5,000+$25 - $49 / hr10 - 49Nashik, India
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NULLPLEX SOFTWARE PRIVATE LIMITED, a web development company, was established in 2012. The team focuses on Web Development and UX/UI Design.
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$5,000+$25 - $49 / hr10 - 49Lisbon, Portugal
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Outdare is a custom software development firm. The Lisbon, Portugal-based company specializes in Custom Software Development and Mobile App Development.
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$10,000+$50 - $99 / hr10 - 49London, England
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Akoom Tech, a custom software development company, is based in London, England and Bristol, England. The team provides Custom Software Development and Web Development.
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$10,000+$25 - $49 / hr10 - 49San José de Mayo, Uruguay
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Founded in 2021, White Monkey is a software development firm. The firm offers Custom Software Development and Web Development.
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$1,000+$25 - $49 / hr10 - 49
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ZJ Enterprises is a web development company. Their small team of employees is located in Karachi, Pakistan. Their team focuses on Web Development and E-Commerce Development.
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$50,000+$50 - $99 / hr10 - 49São Paulo, Brazil
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TZ3 Technologies, a software development company, was founded in 2009. The team offers Custom Software Development and Web Development and is based in São Paulo, Brazil.
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$1,000+$50 - $99 / hr10 - 49
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Valardigital is an e-commerce development company. They provide E-Commerce Development and Web Development and are based in Pune, India.
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$10,000+$50 - $99 / hr10 - 49Helsinki, Finland
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Coredo is a Helsinki, Finland-based Digital Strategy company. Established in 2014, the team specializes in Digital Strategy and Web Design.
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$100,000+$50 - $99 / hr10 - 49Niš, Serbia
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CRM consulting and SI company Quadrix Soft was launched in 2017. Headquartered in Niš, Serbia, the team specializes in CRM consulting and SI and Web Development.
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$10,000+$50 - $99 / hr10 - 49London, England
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Launched in 2008, SiliconTechnix Uk is a small web design agency. Their services include Web Design and Web Development.
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$1,000+$50 - $99 / hr10 - 49
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Tech SaraZ - Web Development, Web Design Company in Bangalore is a small website development firm established in 2020. Their services include Web Development and Web Design.
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$10,000+$25 - $49 / hr10 - 49Aveiro, Portugal
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Custom software development company The KnowCode Company was established in 2017. The agency provides Custom Software Development and Web Development, and is small.
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$1,000+$25 - $49 / hr10 - 49New Town, India
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Based in New Town, India, Oneskai is a social media marketing firm. Their services include Social Media Marketing and Search Engine Optimization.
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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
Ability to deliver
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
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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
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 -
$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.