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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$10,000+$50 - $99 / hr2 - 9Belgrade, Serbia
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App development firm Mile Development was founded in 2019. The team focuses on Mobile App Development and Web Development.
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$1,000+$25 - $49 / hr2 - 9
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Established in 2015, Consultor SEO y Marketing Digital is a SEO services firm. The team specializes in Search Engine Optimization and Web Design.
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$1,000+$25 - $49 / hr10 - 49Eccles, England
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See all 1 projectsWe're a full-service Digital Marketing Agency comprised of a group of enthusiastic individuals that enjoy assisting small and medium-sized businesses in achieving their growth.
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$10,000+$25 - $49 / hr10 - 49Ho Chi Minh City, Vietnam
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Nextfunc Co., Ltd, a mobile app development firm, was established in 2015. In Ho Chi Minh City, Vietnam, the team provides Mobile App Development and Web Development.
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$1,000+< $25 / hr10 - 49Rajkot, India
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S Anjani infotech is a software development firm. Established in 2018, the firm is in Rajkot, India. Their team specializes in Custom Software Development and E-Commerce Development.
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Undisclosed$25 - $49 / hr10 - 49Lahore, Pakistan
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Shayan Solutions is a custom software development firm. In Lahore, Pakistan, the team offers Custom Software Development and Web Development.
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Digi Opera is a SEO agency established in 2021. Their team provides Search Engine Optimization and Web Design.
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$50,000+$100 - $149 / hr10 - 49
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See all 1 projectsOconee Software specializes in developing marketing planning applications using technologies such as Python, with capabilities across both Android and iOS platforms. Reviews highlight their strong communication, adherence to timelines, and the high quality of their deliverables, making them a reliable partner for tech solutions.
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$50,000+$50 - $99 / hr10 - 49London, England
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Software Development UK is a custom software development firm. The London, England-based agency was founded in 2021. Their team offers Custom Software Development and Artificial Intelligence.
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Undisclosed$25 - $49 / hr10 - 49Secunderabad, India
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Web design agency Cognefi Info Solutions Pvt Ltd. Was launched in 2022. The team offers Web Design and IT strategy consulting and is headquartered in Secunderabad, India.
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$10,000+$150 - $199 / hr50 - 249Chicago, IL
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DMC, Inc., a custom software development firm, is based in Chicago, Illinois and Somerville, Massachusetts. The team provides Custom Software Development and CRM consulting and SI.
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$1,000+$100 - $149 / hr50 - 249Karachi, Pakistan
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Established in 2018, Laraib Rabbani is a social media marketing company. The company provides Social Media Marketing and Search Engine Optimization.
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$1,000+< $25 / hr2 - 9
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See all 2 projectsTechnofet offers Website Development, Web Design, and Online Development services. The overall feedback highlights their professionalism, effective project management, and responsiveness to client needs. Clients appreciate Technofet's detailed planning, prompt communication, and ability to deliver tailored web solutions.
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$10,000+$100 - $149 / hr2 - 9Toronto, Canada
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Yesterday Design Co. Is a branding firm. Their small team is located in Toronto, Canada. Their services include Branding and Social Media Marketing.
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$25,000+$100 - $149 / hr2 - 9New York, NY
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Digimix is a New York, New York-based branding company. Launched in 2009, the team provides Branding and Digital Strategy.
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$10,000+$100 - $149 / hr2 - 9Chicago, IL
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Kreate Digital is an UX design company. Based in Chicago, Illinois, the agency was established in 2013. Their team offers UX/UI Design and Web Design.
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$25,000+$25 - $49 / hr2 - 9
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JuJu Media is an UX company. They are in London, England and Atlanta, Georgia, and their services include UX/UI Design and AR/VR development.
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$5,000+$100 - $149 / hr2 - 9Dublin, Ireland
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Fuel.ie Creative Services is a branding firm. They were founded in 2001, and their services include Branding and Web Design.
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$50,000+$25 - $49 / hr2 - 9Montevideo, Uruguay
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IoT development company Perceptiva is in Montevideo, Uruguay. The team focuses on IoT development and IT strategy consulting.
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$1,000+$25 - $49 / hr2 - 9Waterford, Ireland
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Webie Web Design & Development Ireland is a web design agency. The team focuses on Web Design and E-Commerce Development, and the firm is in Waterford, Ireland.
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$10,000+$100 - $149 / hr2 - 9Bogotá, Colombia
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Small Digital Strategy company Axioma Estudio SAS, is based in Bogotá, Colombia and Berlin, Germany. Their services include Digital Strategy and Web Development.
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$1,000+< $25 / hr2 - 9Meerut, India
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Based in Meerut, India, Webonix Technology is a small web design company. The team offers Web Design and Web Development.
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$1,000+$25 - $49 / hr2 - 9Santa Cruz de Tenerife, Spain
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Nimbo Software is a web design company launched in 2020. In Santa Cruz de Tenerife, Spain, the team focuses on Web Design and Custom Software Development.
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$1,000+$50 - $99 / hr2 - 9Narangba, Australia
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Your Website Setup is a web design agency. The Narangba, Australia-based company was founded in 2010. Their services include Web Design and Web Development.
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$1,000+$50 - $99 / hr2 - 9Boston, England
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DNA Web Studio is an e-commerce development company. They are based in Boston, England and have small team. They provide E-Commerce Development and Web Design.
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$1,000+< $25 / hr2 - 9
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Website development company Ambientech Softwares is based in Jaipur, India. Their services include Web Development and Mobile App Development.
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$10,000+$150 - $199 / hr2 - 9Matthews, NC
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Established in 2001, Digital Alchemy is a small Matthews, North Carolina-based web design company. Their team offers Web Design and Web Development.
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$1,000+$100 - $149 / hr2 - 9Stuart, FL
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Established in 2016, Growth Squad is a small Stuart, Florida-based SEO agency. Their services include Search Engine Optimization and Web Design.
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$1,000+$50 - $99 / hr2 - 9Lansing, MI
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Creative Partner is a small Lansing, Michigan-based SEO agency. Their services include Search Engine Optimization and Web Design.
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$1,000+< $25 / hr2 - 9Yogyakarta, Indonesia
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Based in Yogyakarta, Indonesia, Nuhaweb is a small e-commerce development company. Their services include E-Commerce Development and Web Development.
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$1,000+< $25 / hr10 - 49Rajkot, India
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See all 1 projectsApp Clone is a leading Web and Mobile App Development Company and the Best Website Development Company in India. App Clone comprises a group of developers specializing in creating websites and
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Undisclosed$100 - $149 / hr10 - 49
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CRM consulting and SI company MERP Systems, Inc. Is based in Washington, District of Columbia and. They focus on CRM consulting and SI and ECM consulting and SI and were established in 2010.
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Undisclosed< $25 / hr10 - 49Bengaluru, India
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MADITbox is a small Back Office Outsourcing company. They specialize in Back Office Outsourcing and E-Commerce Development and were founded in 2013.
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$1,000+< $25 / hr10 - 49Dhaka, Bangladesh
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Agile Codex Ltd is a small e-commerce development company founded in 2012. Their team provides E-Commerce Development and Web Development.
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$1,000+$50 - $99 / hr10 - 49Pasig City, Philippines
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Highly Succeed Inc., a mobile app development firm, is located in Pasig City, Philippines. Their services include Mobile App Development and Web Design.
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$10,000+$150 - $199 / hr10 - 49Leicester, England
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Atom Engine is an UX design company established in 2014. The agency focuses on UX/UI Design and Mobile App Development, and is small.
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$5,000+$100 - $149 / hr10 - 49Beograd, Serbia
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Just Creative Agency is a small user experience company. Launched in 2013, the team offers UX/UI Design and Product Design.
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$1,000+$50 - $99 / hr10 - 49Melbourne, Australia
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12Three, a PPC company, is located in Melbourne, Australia and Sydney, Australia. The team provides Pay Per Click and Search Engine Optimization.
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$10,000+$100 - $149 / hr10 - 49Dublin, Ireland
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Custom software development company Swappsi Software specializes in Custom Software Development and IT staff augmentation. They are based in Dublin, Ireland.
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$1,000+$50 - $99 / hr10 - 49Parañaque, Philippines
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Located in Parañaque, Philippines and Mandaluyong, Philippines, WAZILE Inc is a small web design company. The team specializes in Web Design and Web Development.
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$5,000+< $25 / hr10 - 49Bacolod, Philippines
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Founded in 2016, HYBrain Development Corporation is a custom software development firm. Their team offers Custom Software Development and Application Management & Support.
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$5,000+$50 - $99 / hr10 - 49Austin, TX
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Appcentric Solutions is a small Austin, Texas-based application development firm. Their services include Mobile App Development and Web Development.
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UndisclosedUndisclosed10 - 49
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Based in Coimbatore, India, Agna Business Applications is a small custom software development company. Their services include Custom Software Development and Mobile App Development.
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$5,000+< $25 / hr10 - 49Bengaluru, India
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Outdo Inc is an UX company. Launched in 2016, the company provides UX/UI Design and Web Design.
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$10,000+$25 - $49 / hr10 - 49Madrid, Spain
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Lyra is a Madrid, Spain-based web design company. Their services include Web Design and UX/UI Design.
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$10,000+$25 - $49 / hr10 - 49Dubai, United Arab Emirates
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Founded in 2010, SilverPixelz is a small Dubai, United Arab Emirates-based branding company. Their services include Branding and E-Commerce Development.
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$10,000+$50 - $99 / hr10 - 49București, Romania
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Under Development Office is a Blockchain company. The team is headquartered in București, Romania, and their services include Blockchain and Mobile App Development.
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$5,000+< $25 / hr10 - 49Pune, India
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CCR Technologies is a software development company. Founded in 2003, the team focuses on Custom Software Development and BI & big data consulting & SI.
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$50,000+$50 - $99 / hr10 - 49
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Innovent Business Solutions is a Sydney, Australia-based custom software development firm. The team offers Custom Software Development and Mobile App Development.
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$1,000+$25 - $49 / hr10 - 49Melbourne, Australia
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Wolfmatrix is a small app development company. They offer Mobile App Development and Custom Software Development and were established in 2014.
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This data powers tools like the Leaders Matrix, which helps you compare agencies directly. Our research team curates rankings by weighing verified reviews most heavily, so the most trusted and experienced providers rise to the top.
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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
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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
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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.