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 / hr10 - 49Chandigarh, India
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Launched in 2019, OROSK Network is a Digital Strategy company. The firm provides Digital Strategy and Marketing Strategy.
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$5,000+$25 - $49 / hr2 - 9
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Astronaut Penguin Devs is a web development firm. Established in 2022, their team offers Web Development and Blockchain.
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$250,000+< $25 / hr10 - 49Can Tho, Vietnam
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BIWOCO is a web development company. Founded in 2021, their team provides Web Development and Mobile App Development.
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$10,000+$150 - $199 / hr2 - 9New York, NY
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Colorful Dots, LLC is a mobile app development firm located in New York, New York. They offer Mobile App Development and UX/UI Design.
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$10,000+< $25 / hr50 - 249Rawalpindi, Pakistan
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See all 2 projectsZeeRank offers website design, development services, and mobile game development. The overall feedback highlights their high skill level, smooth project management, and ability to meet client requirements effectively. Clients appreciate their professionalism, responsiveness, and reasonable pricing, making ZeeRank a reliable choice for technology and creative solutions.
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$5,000+$25 - $49 / hr50 - 249Mykolaiv, Ukraine
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Launched in 2011, QUAZOM is a midsize application development firm headquartered in Mykolaiv, Ukraine. Their team focuses on Mobile App Development and Web Development.
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$100,000+$50 - $99 / hr10 - 49Leuven, Belgium
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Madewithlove, a web development company, specialize in Web Development and Mobile App Development. They were founded in 2008.
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Undisclosed$25 - $49 / hrFreelancerThane, India
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Delcog Technologies is a software development firm. They are based in Thane, India. Their team offers Custom Software Development and Web Development.
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$1,000+$100 - $149 / hr250 - 999
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See all 2 projectsCustom Website Agency offers comprehensive Website Development and Web Design services, including logo creation and user-friendly web interfaces. Client reviews highlight the agency's exceptional creativity, attention to detail, and commitment to deadlines. Customers appreciate their responsive communication and client-centric approach, although there is room for improvement in project progress transparency.
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$5,000+$25 - $49 / hr10 - 49Noida, India
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Web development firm Hexadecimal Software is located in Noida, India. The team offers Web Development and Custom Software Development.
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$50,000+$25 - $49 / hr250 - 999
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Website development company Nexteum was founded in 2015. The team focuses on Web Development and Custom Software Development.
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$1,000+$25 - $49 / hr2 - 9istanbul, Türkiye
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See all 1 projectsDigital Agency Longway Media specializes in website design, development, content creation, and search engine optimization. Reviews highlight their success in increasing website traffic, generating leads, and boosting sales, with clients praising their ability to deliver visually appealing and user-friendly websites. Their project management and alignment with client values are also highly commended.
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UndisclosedUndisclosed50 - 249Paris, France
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USERADGENTS is an e-commerce development company. They offer E-Commerce Development and Mobile App Development and were founded in 2008.
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$50,000+$100 - $149 / hr10 - 49London, England
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Dusted, a branding company, is in London, England. They provide Branding and Web Development and were established in 2004.
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$10,000+$100 - $149 / hr10 - 49London, England
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Webdigi is a web development firm. They are located in London, England and have small team of experts. Their services include Web Development and UX/UI Design.
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$1,000+$25 - $49 / hr10 - 49Zagreb, Croatia
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Good Code is a Zagreb, Croatia-based web design agency. The team specializes in Web Design and Web Development.
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$5,000+$50 - $99 / hr10 - 49Katy, TX
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Established in 2013, Crucial App Concepts, Inc. Is a small app development firm. Their team provides Mobile App Development and Web Development.
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$1,000+$100 - $149 / hr50 - 249Rawalpindi, Pakistan
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See all 1 projectsSignUp Solution offers Website Development and Web Design services, demonstrating strong commitment and timely delivery. Reviewers highlight their impressive work ethic and ability to meet deadlines, making them a valuable partner for projects requiring Web Dev and Web Programming expertise. The company's pricing is considered a good value for the quality provided.
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UndisclosedUndisclosed50 - 249San Diego, CA
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In San Diego, California, California Web Coders is a midsize social media marketing firm. Their services include Social Media Marketing and Search Engine Optimization.
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$1,000+< $25 / hr2 - 9
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See all 1 projectsXlance Collective provides Website Development and Online Development services, focusing on delivering tailored solutions such as mobile apps, admin portals, and websites. Clients appreciate their professional communication and timely delivery, noting the value for cost and geographic convenience. Despite being a start-up, Xlance Collective exceeds expectations with their Web Programming expertise.
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$10,000+$100 - $149 / hr2 - 9Berlin, Germany
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Small software development firm Astrails, is in Ramat Gan, Israel and Berlin, Germany. Their services include Custom Software Development and Web Development.
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$10,000+$50 - $99 / hr2 - 9Kraków, Poland
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Umobility is a custom software development company. Established in 2021, the team focuses on Custom Software Development and Web Development.
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$10,000+$25 - $49 / hr10 - 49Chișinău, Moldova
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Labs42 is a Chișinău, Moldova-based custom software development firm. Their services include Custom Software Development and Mobile App Development.
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$1,000+$50 - $99 / hr10 - 49Gdańsk, Poland
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Small IT staff augmentation company Inprox, is headquartered in Gdańsk, Poland. The team provides IT staff augmentation and Web Development.
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UndisclosedUndisclosed10 - 49Cluj-Napoca, Romania
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Burz Media is a web design agency. The Cluj-Napoca, Romania-based agency focuses on Web Design and Web Development.
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$5,000+$100 - $149 / hr10 - 49Kathmandu, Nepal
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Established in 2003, Last Door is a small website development firm headquartered in Kathmandu, Nepal. Their team provides Web Development and UX/UI Design.
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$10,000+$25 - $49 / hr10 - 49Thessaloniki, Greece
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Exandia Inc., a custom software development company, was established in 2018. The team focuses on Custom Software Development and Web Development.
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$1,000+$25 - $49 / hr10 - 49
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Monki is a web development firm. Their small team is located in Villa el Salvador, Peru. Their services include Web Development and Web Design.
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UndisclosedUndisclosed10 - 49Sfax, Tunisia
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Softtodo, a software development company, specialize in Custom Software Development and Web Development. They were established in 2012.
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$1,000+< $25 / hr10 - 49
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See all 1 projectsAmerican Web Store specializes in SEO services aimed at enhancing website visibility and search engine rankings. Reviews highlight the company's expertise, responsiveness, and effective project management, resulting in significant improvements for clients. The overall feedback reflects high satisfaction with their professional and timely communication.
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$1,000+$50 - $99 / hr10 - 49New Delhi, India
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Website development firm Web Tycoons specializes in Web Development and Social Media Marketing. They are in New Delhi, India.
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Undisclosed$50 - $99 / hr2 - 9London, England
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Common Works, a branding agency, was launched in 2014. They offers Branding and Web Design.
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$1,000+< $25 / hr2 - 9
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Future Ascend, a website development company, was launched in 2024. The company offers Web Development and Branding, and is small.
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$1,000+< $25 / hr10 - 49Noida, India
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CipherGrowth is a web development company in Noida, India. They focus on Web Development and Mobile App Development and were established in 2018.
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$1,000+$50 - $99 / hr2 - 9Pinellas Park, FL
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See all 1 projectsProDeveloper Web Design St Pete SEO specializes in Web Development, including services like website clean-up, creating web pages for furnished rentals, and integrating booking pages. Reviews highlight their effective communication and timely delivery, with clients particularly appreciating their ability to meet project goals and deliver value within budget.
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$5,000+$50 - $99 / hrFreelancerLyon, France
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Founded in 2015, Pierre Portejoie, développeur freelance is a web development firm. Their team specializes in Web Development and Custom Software Development.
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UndisclosedUndisclosed10 - 49Athina, Greece
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VESTART, an Advertising company, was founded in 2020. The team focuses on Advertising and Marketing Strategy.
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$1,000+$50 - $99 / hrFreelancer
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Levchenkod.com is a web development company established in 2024. Their team specializes in Web Development.
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$1,000+$50 - $99 / hr2 - 9Beograd, Serbia
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AFL Development is a web development company. The Beograd, Serbia-based company was founded in 2019. Their services include Web Development and E-Commerce Development.
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$5,000+$25 - $49 / hr10 - 49Ha Noi, Vietnam
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Slitigenz, a web development firm, is based in Ha Noi, Vietnam. They focus on Web Development and Mobile App Development and were launched in 2019.
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$1,000+< $25 / hr10 - 49Nur-Sultan, Kazakhstan
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Koala Product Development is a web development firm. Located in Nur-Sultan, Kazakhstan, the firm was launched in 2020. Their team offers Web Development and Mobile App Development.
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$5,000+$25 - $49 / hr2 - 9Thane, India
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PoiseCode is a web development firm. The team is headquartered in Thane, India, and their services include Web Development and Mobile App Development.
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UndisclosedUndisclosed10 - 49Coimbatore, India
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PROBESEVEN is an application development firm. The team is located in Coimbatore, India and Tiruppur, India, and their services include Mobile App Development and Web Development.
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$1,000+$25 - $49 / hr10 - 49Ghaziabad, India
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FineSoft Technologies is a software development company. Launched in 2009, the company focuses on Custom Software Development and Mobile App Development.
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$10,000+$25 - $49 / hr10 - 49Noida, India
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ArkssTech, a software development firm, is in Noida, India. Established in 2013, the team provides Custom Software Development and IoT development.
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$10,000+$50 - $99 / hr2 - 9
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In Banbury, England, DigiDrip Ltd is a mobile app development firm. They offer Mobile App Development and Web Development.
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$1,000+$50 - $99 / hr2 - 9Prague, Czech Republic
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See all 2 projectscoderz.cz specializes in Website Development and Web Design. Their reviews highlight their ability to meet client expectations, demonstrating excellent project management and regular updates. Clients appreciate their professionalism, strong technical skills, and cost-effective services.
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$1,000+$25 - $49 / hr10 - 49Bengaluru, India
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See all 10 projectsFlashyminds specializes in Website Development and Web Design, offering online development solutions tailored to specific industry needs. The reviews highlight their strong project management, attention to detail, and client-centric approach, resulting in improved efficiency and profitability for clients. Clients appreciate Flashyminds' responsiveness and the innovative solutions they provide, although minor improvements in timeline clarity and feature prioritization were noted.
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$1,000+$100 - $149 / hr10 - 49
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See all 5 projectsKimpster Technologies specializes in Website Development and Web Design, consistently demonstrating expertise and professionalism. Client feedback highlights significant improvements in online sales and satisfaction with project management and communication. Key themes include adherence to timelines, use of agile methodologies, and impressive design quality.
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$1,000+< $25 / hr10 - 49Hanoi, Vietnam
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Web development company InfraTech JSC is located in Hanoi, Vietnam. They focus on Web Development and Mobile App Development.
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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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$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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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 -
$100,000+$25 - $49 / hr250 - 999Cebu City, Philippines
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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
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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
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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
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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
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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 -
$25,000+$25 - $49 / hr50 - 249Rickmansworth, England
Ability to deliver
38.9/40.019.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
60% Web Development20% JavaScript40% 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.