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 89 projectsDigis, a Fiverr company (NYSE: FVRR), specializes in Web Development, providing comprehensive services such as Front-End Development, Back-End Development, and Custom Website Development. Their reviews indicate a 100% satisfaction rate, highlighting their strong project management, technical expertise, and clear communication. Approximately 70% of reviewers emphasize their seamless integration into teams and high-quality deliverables.
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$1,000+$25 - $49 / hr2 - 9
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Located in Vitoria, Brazil, MW7 Design is a web design company. They offer Web Design and Web Development.
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$1,000+$25 - $49 / hr50 - 249Hanoi, Vietnam
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Rikai Mind Jsc, a website development firm, is located in Hanoi, Vietnam. Founded in 2017, the team provides Web Development and Mobile App Development.
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$1,000+< $25 / hr10 - 49Noida, India
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See all 1 projectsEastSons' Technologies offers services in Website Development and Web Design. Reviews highlight their excellent project management, attention to detail, and ability to create responsive and user-friendly websites. Clients commend them for their effective communication, flexibility, and commitment to aligning with the clients' vision, resulting in enhanced user engagement and satisfaction.
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UndisclosedUndisclosed10 - 49Beaverton, OR
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Website development firm Grey Ghost Studio, Inc was launched in 2003. The agency offers Web Development and Content Marketing, and is small.
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$1,000+$25 - $49 / hr2 - 9
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See all 1 projectsFitToWeb specializes in Website Development, focusing on creating effective landing pages with a strong emphasis on Web Design and Web Programming. Their clients highlight the company's impressive cost-value ratio, fast delivery, and professional communication. FitToWeb's services reportedly lead to increased traffic, improved user conversion rates, and enhanced SEO positioning, demonstrating their capability in Online Development.
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$1,000+$25 - $49 / hr2 - 9Sliven, Bulgaria
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WEB iMPRESSION is a web development company. They are located in Sliven, Bulgaria and have small team of experts. Their services include Web Development and API Development.
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$10,000+$25 - $49 / hr10 - 49Ahmedabad, India
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Broadsy Technolgoies Private Limited is a web development firm. They were founded in 2020, and their services include Web Development and Mobile App Development.
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$1,000+$25 - $49 / hr10 - 49Chennai, India
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In Chennai, India, AT Digitals is a website development company. The team offers Web Development and E-Commerce Development.
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$1,000+$25 - $49 / hr2 - 9
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Digital98 Software Development Company, a custom software development company, is located in Istanbul, Türkiye. The team specializes in Custom Software Development and Mobile App Development.
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$5,000+$100 - $149 / hr50 - 249Singapore, Singapore
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Established in 2010, Mediaplus Digital Pte Ltd is a SEO company. The midsize team focuses on Search Engine Optimization and Pay Per Click.
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$25,000+$50 - $99 / hr250 - 999Staten Island, NY
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Headquartered in Staten Island, New York, Nitka Technologies is a midsize software development company. Their services include Custom Software Development and Web Development.
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$1,000+< $25 / hr250 - 999Singapore, Singapore
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Vysystems Pte Ltd is a SEO agency. The team focuses on Search Engine Optimization and Web Design and is in Singapore, Singapore and Chennai, India.
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$1,000+$25 - $49 / hr2 - 9Sarstedt, Germany
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See all 6 projectsRoute4Design is a digital transformation agency based in Germany, specializing in web design, web development, mobile app development, SEO, and AI-driven solutions. At Route4Design, we help
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$1,000+$100 - $149 / hr10 - 49
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Swiftwave Digital, a web development company, was launched in 2020. The team provides Web Development and Social Media Marketing and is located in Rawalpindi, Pakistan and Rawalpindi, Pakistan.
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$5,000+$200 - $300 / hr2 - 9Oakland, CA
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See all 2 projectsWellington Studio specializes in Website Development, Web Design, and branding services. Clients have consistently praised their professionalism, responsiveness, and ability to deliver projects on time and within budget. Notable themes include their alignment with client values, personal touch, and proactive approach in offering valuable options that enhance the final product.
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$25,000+$50 - $99 / hr50 - 249Kyiv, Ukraine
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See all 1 projectsKyiv Strategy Consulting LLC is a proud member of BDO AG Wirtschaftsprüfungsgesellschaft, a public limited company under German law. We are part of the global BDO International Limited
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$5,000+< $25 / hr50 - 249Tragad, India
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Qonsult Business Solutions is a custom software development company. Their team is located in Tragad, India and Tragad, India. The firm provides Custom Software Development and cloud consulting &
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$1,000+$50 - $99 / hr2 - 9Birmingham, England
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VioGraphs Media is a website development company. Located in Birmingham, England, the team provides Web Development and Web Design.
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$1,000+$50 - $99 / hrFreelancerNashville, TN
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Amber Weinberg is a web development company. Headquartered in Nashville, Tennessee, the company provides Web Development.
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$1,000+$50 - $99 / hr2 - 9
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Diego Lujan Studio is a small El Paso, Texas-based graphic design agency. The team offers Graphic Design and Web Development.
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$100,000+$150 - $199 / hr10 - 49Toronto, Canada
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See all 2 projectsBuild With Assembly offers cloud assessments, migrations, and modernization services, specializing in Azure implementations. The reviews highlight their strong technical expertise, professional project management, and alignment with client values. Clients appreciate their agility, customer-centric approach, and ability to deliver bespoke solutions, establishing themselves as trusted partners within their clients' ecosystems.
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$10,000+$150 - $199 / hr10 - 49Rocky River, OH
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Web design agency The Refinery provides Web Design and Web Development. They were founded in 2005.
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$10,000+$100 - $149 / hr10 - 49Zürich, Switzerland
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Web development firm Dream Production AG provides Web Development and E-Commerce Development. They are headquartered in Zürich, Switzerland and Timișoara, Romania.
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$5,000+$50 - $99 / hr2 - 9Long Beach, CA
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OS Ignite, Inc. Is an app development company. The firm is in Long Beach, California and Costa Mesa, California. Their services include Mobile App Development and Custom Software Development.
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$25,000+$50 - $99 / hr10 - 49Beograd, Serbia
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See all 1 projectsDanubio specializes in Website Development, including Web Design and Web Programming. Feedback consistently highlights their effective project management, timely delivery, and strong communication skills. Clients appreciate their reasonable pricing, value for cost, and commitment to not billing for their own errors.
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Undisclosed$25 - $49 / hr10 - 49Ahmedabad, India
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Kasana Media is a web development firm. The small Ahmedabad, India-based team focuses on Web Development and Branding. The firm was founded in 2014.
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$1,000+$25 - $49 / hr2 - 9Burewala, Pakistan
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See all 1 projectsITify specializes in Website Development, Web Design, and Online Development, delivering high-quality web solutions tailored to client needs. Their reviews highlight exceptional technical expertise, creativity, and collaborative project management. Clients commend ITify for transforming visions into successful online platforms, while emphasizing their commitment to transparency, timely deliveries, and adaptability in meeting evolving requirements.
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$1,000+$50 - $99 / hr2 - 9Park City, UT
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Penguin House Designs is a small mobile app development company based in Park City, Utah. The team specializes in Mobile App Development and Web Development.
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$1,000+$25 - $49 / hr2 - 9Đurđevac, Croatia
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Website development firm Avoco d.o.o (ltd) is based in Đurđevac, Croatia. They focus on Web Development and E-Commerce Development.
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$1,000+$25 - $49 / hr50 - 249Paris, France
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Eurelis is a mobile app development firm. They are located in Paris, France. Their team specializes in Mobile App Development and Web Development.
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$5,000+$150 - $199 / hr10 - 49Pleasant Hill, CA
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Founded in 2014, JRM Web Marketing is a web design company. The team offers Web Design and Web Development.
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$5,000+$25 - $49 / hr10 - 49Pune, India
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CodePolicy Technologies, an IT staff augmentation company, is based in Pune, India. They provide IT staff augmentation and Web Development.
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$1,000+< $25 / hr10 - 49Surat, India
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OmTec Web is a web development company. They are located in Surat, India and Surat, India and have small team of experts. Their services include Web Development and Custom Software Development.
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$1,000+$25 - $49 / hr10 - 49Kathmandu, Nepal
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SoftNEP Pvt. Ltd. Is a website development company. The small Kathmandu, Nepal-based team provides Web Development and Mobile App Development. The company was founded in 2005.
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$5,000+$25 - $49 / hr10 - 49Central Park, Indonesia
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Harnods is a Central Park, Indonesia-based web design agency. Their services include Web Design and Web Development.
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$5,000+$25 - $49 / hr50 - 249Ludhiana, India
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Technocrats Horizons Compusoft Pvt Ltd, a custom software development company, focus on Custom Software Development and Mobile App Development. They were founded in 2011.
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UndisclosedUndisclosed10 - 49Singapore, Singapore
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Skilfinity is a PPC company. The firm is based in Singapore, Singapore. Their team specializes in Pay Per Click and Search Engine Optimization.
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$5,000+$50 - $99 / hr2 - 9
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SEO agency AVEKO was launched in 2020. Located in Porto-Vecchio, France and Paris, France, the team provides Search Engine Optimization and Web Design.
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$25,000+$25 - $49 / hr50 - 249
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Data analytics company TechnomaX Systems is headquartered in دبي, United Arab Emirates and Coimbatore, India. They offer BI & big data consulting & SI and ECM consulting and SI.
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$1,000+$25 - $49 / hr10 - 49
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Successive Technologies Norge AS, an UX design agency, is in Norway. Founded in 2017, the team offers UX/UI Design and E-Commerce Development.
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$1,000+$25 - $49 / hr10 - 49Lahore, Pakistan
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Launched in 2020, Techticks Digital is a mobile application development company. The firm offers Mobile App Development and Custom Software Development, and is small.
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$1,000+$50 - $99 / hrFreelancerCzęstochowa, Poland
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MDG LUCAS DROZDZ, a small branding agency, is headquartered in Częstochowa, Poland. Their services include Branding and UX/UI Design.
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$5,000+$25 - $49 / hr10 - 49București, Romania
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Webby-Soft is a website development firm. Based in București, Romania and Brașov, Romania, the company was established in 2016. Their team offers Web Development and Custom Software Development.
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$10,000+$50 - $99 / hr2 - 9Budapest, Hungary
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Micora.NET Kft. Is a software development company launched in 2013. The agency provides Custom Software Development and Web Development.
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$1,000+$25 - $49 / hr10 - 49Ottawa, Canada
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See all 1 projectsEros Soft Solutions offers comprehensive software development services, including WooCommerce projects, often starting from scratch. Reviews highlight the company's effective project management, meeting deadlines, and direct access to managers and team members, contributing to a positive and impressive overall client experience.
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$1,000+< $25 / hr10 - 49
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Cheshta Infotech is an Indore, India-based custom software development company. Their services include Custom Software Development and Mobile App Development.
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$5,000+$50 - $99 / hr2 - 9Bradford, England
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Out of Place Studio is a branding company established in 2020. Their team offers Branding and Web Design.
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$5,000+$25 - $49 / hr2 - 9
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Digital Strategy company Idea Nativa is based in San José, Costa Rica. The team offers Digital Strategy and Pay Per Click.
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$1,000+$50 - $99 / hr50 - 249Sahibzada Ajit Singh Nagar, India
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DipoleTech Innovations is a midsize Sahibzada Ajit Singh Nagar, India-based web development firm. The team offers Web Development and Search Engine Optimization.
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UndisclosedUndisclosedFreelancer
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Desarrollo Web Madrid is a web design agency and web development company. The firm is located in Madrid, Spain. Their team provides Web Design and Web Development.
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List of the Top 15 JavaScript Development Companies
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$25,000+$50 - $99 / hr50 - 249Kraków, Poland
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$75,000+$100 - $149 / hr50 - 249Vancouver, Canada
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
90% Web Development50% JavaScript10% Other -
$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.5/40.019.6/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
45% Web Development75% JavaScript55% Other -
$10,000+< $25 / hr250 - 999Thiruvananthapuram, India
Ability to deliver
38.5/40.019.2/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
50% Web Development50% JavaScript50% Other -
$25,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
40% Web Development60% JavaScript60% Other -
$10,000+$50 - $99 / hr50 - 249Montevideo, Uruguay
Ability to deliver
39.5/40.020/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
50% Web Development35% JavaScript50% Other -
$10,000+Undisclosed50 - 249San Francisco, CA
Ability to deliver
38.7/40.019.4/20 Reviews9.6/10 Clients & Experience9.7/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$25,000+< $25 / hr250 - 999Ahmedabad, 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+$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+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
36.5/40.017.6/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$25,000+$25 - $49 / hr50 - 249Newark, DE
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39.8/40.019.8/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
40% Web Development35% JavaScript60% Other -
$5,000+$50 - $99 / hr50 - 249Chicago, IL
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
35% Web Development40% JavaScript65% Other -
$10,000+$25 - $49 / hr250 - 999San Francisco, CA
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
15% Web Development40% JavaScript85% Other -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
37.6/40.018.6/20 Reviews10/10 Clients & Experience9/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$50,000+$25 - $49 / hr50 - 249Kharkiv, Ukraine
Ability to deliver
36.8/40.017/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
45% Web Development50% JavaScript55% Other -
$10,000+< $25 / hr250 - 999Kolkata, India
Ability to deliver
36.7/40.019.4/20 Reviews9/10 Clients & Experience8.4/10 Market PresenceService focus
35% Web Development30% JavaScript65% Other -
$50,000+$100 - $149 / hr1,000 - 9,999San Francisco, CA
Ability to deliver
38.7/40.018.8/20 Reviews9.9/10 Clients & Experience10/10 Market PresenceService focus
15% Web Development25% JavaScript85% 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 - 9,999New York, NY
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Web Development25% JavaScript90% Other -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
36.3/40.016.6/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$10,000+< $25 / hr250 - 999Hanoi, Vietnam
Ability to deliver
38.7/40.019.2/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
30% Web Development21% JavaScript70% 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 -
$10,000+$50 - $99 / hr250 - 999Marlborough, MA
Ability to deliver
38.7/40.019/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
25% Web Development25% JavaScript75% Other -
$100,000+$25 - $49 / hr250 - 999Cebu City, Philippines
Ability to deliver
38.7/40.020/20 Reviews10/10 Clients & Experience8.7/10 Market PresenceService focus
30% Web Development20% JavaScript70% Other -
$10,000+$25 - $49 / hr250 - 999New York, NY
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
28% Web Development15% JavaScript72% Other -
$50,000+$150 - $199 / hr50 - 249Matlock, England
Ability to deliver
37.8/40.018/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
100% Web Development30% JavaScript -
$10,000+$50 - $99 / hr10 - 49Warszawa, Poland
Ability to deliver
37.3/40.018.2/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
50% Web Development70% JavaScript50% Other -
$50,000+$50 - $99 / hr1,000 - 9,999L'viv, Ukraine
Ability to deliver
38/40.018.2/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
21% Web Development18% JavaScript79% Other -
$10,000+$50 - $99 / hr10 - 49Montevideo, Uruguay
Ability to deliver
38.3/40.019.4/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$50,000+$150 - $199 / hr250 - 999Irvine, CA
Ability to deliver
36.2/40.016.2/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
30% Web Development30% JavaScript70% Other
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.