Top JavaScript Developers
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Featured
What are Featured Providers?
$5,000+$25 - $49 / hr50 - 249London, EnglandServices provided
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See all 88 projectsDigis, a Fiverr company (NYSE: FVRR), excels in providing comprehensive web development and staff augmentation services. With a focus on custom website development, front-end and back-end development, they consistently deliver high-quality projects, demonstrating 100% positive feedback for their technical expertise and effective project management. Clients frequently highlight their reliability and seamless integration into existing teams, with 80% mentioning their exceptional communication skills and adaptability.
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$1,000+$25 - $49 / hr2 - 9Overland Park, KS
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JMedia is a small e-commerce development company headquartered in Overland Park, Kansas. Their services include E-Commerce Development and Graphic Design.
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$1,000+$100 - $149 / hr2 - 9Ikorodu, Nigeria
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Founded in 2019, Algorasoft Nigeria is a small Ikorodu, Nigeria-based software development company. Their team specializes in Custom Software Development and Web Development.
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$5,000+$100 - $149 / hr2 - 9Buffalo, NY
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Launched in 2016, JTB Online is an Email Marketing company. The firm offers Email Marketing and Mobile & App Marketing, and is small.
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Undisclosed$25 - $49 / hr2 - 9Nairobi, Kenya
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Established in 2021, Alero Digital is an user experience design company. The firm specializes in UX/UI Design and Custom Software Development.
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$5,000+$150 - $199 / hr2 - 9Berlin, Germany
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9x Agency is a software development company. In Berlin, Germany, the agency was launched in 2021. Their team provides Custom Software Development and Other Digital Marketing.
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$5,000+< $25 / hr2 - 9
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Founded in 2021, Parentheses Labs is a small Halisahar, India-based web development company. Their services include Web Development and Mobile App Development.
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UndisclosedUndisclosed2 - 9
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Launched in 2017, Clarity Media is a web development company. Their services include Web Development and Search Engine Optimization.
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$5,000+$25 - $49 / hr2 - 9Sahibzada Ajit Singh Nagar, India
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Coders Cluster is a small Sahibzada Ajit Singh Nagar, India-based website development company. The team specializes in Web Development and Web Design.
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Undisclosed$25 - $49 / hr2 - 9Sofia, Bulgaria
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Creotech is a web development company. They are in Sofia, Bulgaria. Their team specializes in Web Development and Mobile App Development.
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Undisclosed$100 - $149 / hr2 - 9League City, TX
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PixelDrip Studio is a web development company. Established in 2022, the company is located in League City, Texas. Their team offers Web Development and Branding.
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$5,000+$50 - $99 / hr2 - 9Tirana, Albania
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Software development firm The Adhoc was established in 2019. The team provides Custom Software Development and Web Development.
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$1,000+$50 - $99 / hr2 - 9
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GreenixMedia is a web development company founded in 2010. The team specializes in Web Development and Web Design.
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$1,000+Undisclosed2 - 9
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Opencore Group is a small custom software development company founded in 2023. Their team offers Custom Software Development and Web Development.
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$10,000+$50 - $99 / hr2 - 9Alcochete, Portugal
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Launched in 2022, Polychromeer is an user experience design agency. The team provides UX/UI Design and Custom Software Development.
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UndisclosedUndisclosed2 - 9
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Content Marketing company Web Development USA was established in 2018. The team offers Content Marketing and Search Engine Optimization.
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$1,000+$25 - $49 / hr2 - 9Vadodara, India
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Gauraj Infotech Private Limited is a branding agency. Located in Vadodara, India, the agency was founded in 2012. Their services include Branding and Digital Strategy.
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Undisclosed< $25 / hr2 - 9
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Web development company 24siteshop.com was founded in 2019. The firm provides Web Development and E-Commerce Development, and is small.
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$25,000+$50 - $99 / hr2 - 9St. Petersburg, FL
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Softrizon is a custom software development firm. They specialize in Custom Software Development and Web Development and were launched in 2020. The firm is based in St. Petersburg, Florida.
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$5,000+$50 - $99 / hr2 - 9
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Established in 2024, MAYPACT is a website development company. The team offers Web Development and Branding.
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$1,000+$25 - $49 / hr2 - 9Izmir, Türkiye
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PapyonLAB is a mobile application development firm. The small Izmir, Türkiye-based team specializes in Mobile App Development and UX/UI Design. The agency was established in 2022.
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$5,000+$100 - $149 / hr2 - 9Washington, DC
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Located in Washington, District of Columbia, HANDBOOK is a web development company. Their services include Web Development and Search Engine Optimization.
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$1,000+< $25 / hr2 - 9
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Veltify is a SEO services firm established in 2024. The company provides Search Engine Optimization and Web Design, and is small.
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$1,000+< $25 / hr2 - 9
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Purifying Digital is a Digital Strategy company. Launched in 2022, the team provides Digital Strategy and Search Engine Optimization.
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$1,000+$50 - $99 / hr2 - 9Hertford, England
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Virtue Web Solutions is a website development company. They are in Hertford, England and have small team. They focus on Web Development and Web Design.
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$5,000+$50 - $99 / hr2 - 9Skierniewice, Poland
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Custom software development company Compri provides Custom Software Development and Web Development. They are headquartered in Skierniewice, Poland.
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$1,000+$25 - $49 / hr10 - 49Orlando, FL
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In Orlando, Florida and Lahore, Pakistan, Wonder Craft Group is a Blockchain company. Their services include Blockchain and Mobile App Development.
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UndisclosedUndisclosed2 - 9Ottawa, Canada
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See all 1 projectsCalled Social provides website development services, including web design and web programming, with a focus on enhancing online presence. Feedback indicates issues with communication and follow-through, despite reasonable pricing for the required work. The primary concern among clients is the lack of professionalism in communication and delays in delivering detailed project quotes.
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$1,000+$25 - $49 / hr2 - 9Dingley Village, Australia
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Software development firm Accel IT | it support melbourne was launched in 2000. The company specializes in Custom Software Development and IT strategy consulting, and is small.
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$1,000+$25 - $49 / hr2 - 9New York, NY
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ITVDM - Digital Marketing is a Digital Strategy company. The New York, New York-based company was established in 2020. Their services include Digital Strategy and Search Engine Optimization.
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$1,000+$25 - $49 / hr2 - 9Karachi, Pakistan
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Code Virtuoso is a web design agency. Headquartered in Karachi, Pakistan, the team provides Web Design and UX/UI Design.
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UndisclosedUndisclosed2 - 9Brampton, Canada
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Seoelinks Seo Service agency is a social media marketing agency launched in 2013. The small team focuses on Social Media Marketing and Email Marketing.
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Undisclosed< $25 / hr2 - 9
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Established in 2019, Dsyncro, a small SEO services firm, is headquartered in jhenaidah, Bangladesh. Their team offers Search Engine Optimization and Web Design.
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$1,000+< $25 / hr2 - 9
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Orbitsmarketing.com is a SEO services firm. Launched in 2025, the company is based in Lahore, Pakistan. Their services include Search Engine Optimization and Web Development.
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$1,000+$25 - $49 / hr10 - 49
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See all 10 projectsThe App Scout is a company offering mobile application development, web development, and hosting services. However, feedback indicates significant dissatisfaction, with 100% of reviewers reporting delays, poor communication, and unmet promises. Clients advise against engaging The App Scout, citing wasted time and financial resources.
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$1,000+$50 - $99 / hr10 - 49Lahore, Pakistan
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DT Modern Tech is an e-commerce development firm launched in 2018. The small team focuses on E-Commerce Development and Mobile App Development.
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$1,000+$25 - $49 / hr10 - 49Saint Marys, Australia
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See all 2 projectsAus Asia Online specializes in Website Development, SEO, and Social Media Marketing. Reviews highlight their professionalism, timely delivery, and ability to integrate web development, SEO, and social media strategies into a cohesive online development plan. Clients praise their responsiveness, customized approach, and effectiveness in enhancing online visibility and engagement.
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$1,000+$25 - $49 / hr10 - 49
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Based in Lahore, Pakistan, Star is an application development company. Founded in 2022, the team focuses on Mobile App Development and Web Development.
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$1,000+$25 - $49 / hr10 - 49
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Located in Dhaka, Bangladesh, Nexlent is a custom software development company. Launched in 2023, the team focuses on Custom Software Development and Microservices Architecture Services.
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Undisclosed$25 - $49 / hr10 - 49
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Azam Web Solutions is a web development firm. The Lahore, Pakistan-based agency offers Web Development and E-Commerce Development.
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$1,000+< $25 / hr10 - 49Paço de Arcos, Portugal
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Webarty Digital Agency is a SEO agency. Launched in 2022, the team provides Search Engine Optimization and Web Development.
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$1,000+< $25 / hr10 - 49Lahore, Pakistan
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NanoBitWorld is a web design company. Launched in 2021, the team offers Web Design and Custom Software Development. The firm is in Lahore, Pakistan.
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$5,000+$25 - $49 / hr10 - 49Abidjan, Côte d'Ivoire
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Todou Studio, a web design company, is located in Abidjan, Côte d'Ivoire. They offer Web Design and UX/UI Design and were established in 2023.
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$10,000+$50 - $99 / hr50 - 249
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Freeger is a midsize website development company. They specialize in Web Development and Mobile App Development and were established in 2008.
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Undisclosed$25 - $49 / hr2 - 9Kraków, Poland
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Custom software development company Cometari Dedicated Solutions is based in Kraków, Poland. Their services include Custom Software Development and UX/UI Design.
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$1,000+$100 - $149 / hr50 - 249Louisville, KY
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(human)x , a Leap Group Co. Is an IT managed services company. Founded in 1999, the agency is in Louisville, Kentucky and Cincinnati, Ohio. Their services include IT managed services and Web Design.
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$1,000+$25 - $49 / hr2 - 9Pretoria, South Africa
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Mont6 Technologies (Pty) Ltd is an app development company launched in 2017. The agency offers Mobile App Development and Web Development, and is small.
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$5,000+$50 - $99 / hr2 - 9Edinburgh , Scotland
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Quantum IT Digital Ltd is an e-commerce development company. The firm is headquartered in Edinburgh , Scotland. Their team specializes in E-Commerce Development and Pay Per Click.
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$1,000+$100 - $149 / hr2 - 9Worthington, OH
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Chek Creative, an app development firm, provide Mobile App Development and Web Development. They were launched in 2017.
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$1,000+$25 - $49 / hr2 - 9L'viv, Ukraine
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Abra Agency is a web design agency headquartered in L'viv, Ukraine. They specialize in Web Design and UX/UI Design.
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$5,000+$100 - $149 / hr2 - 9Dublin, Ireland
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REPTILEHAUS Digital Agency Dublin is a website development firm. The Dublin, Ireland-based firm was established in 2015. Their team specializes in Web Development and Mobile App Development.
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At Clutch, we believe trust is the foundation of every business relationship. Our mission is to help buyers make confident, data-backed decisions informed by real client experiences.
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We evaluate service providers using a structured methodology that combines:
- In-depth client interviews and ratings
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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
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
45% Web Development75% JavaScript55% 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
38.1/40.018.8/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
50% Web Development50% JavaScript50% Other -
$10,000+Undisclosed50 - 249San Francisco, CA
Ability to deliver
39.1/40.019.8/20 Reviews9.6/10 Clients & Experience9.7/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$10,000+$50 - $99 / hr50 - 249Montevideo, Uruguay
Ability to deliver
39.5/40.020/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
50% Web Development35% JavaScript50% 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 -
$50,000+$100 - $149 / hr1,000 - 9,999San Francisco, CA
Ability to deliver
39.5/40.019.6/20 Reviews9.9/10 Clients & Experience10/10 Market PresenceService focus
15% Web Development25% JavaScript85% 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 -
$25,000+$25 - $49 / hr50 - 249Newark, DE
Ability to deliver
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 -
$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 -
$1,000+< $25 / hr250 - 999Boston, 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 -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
36.4/40.016.8/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
60% Web Development45% JavaScript40% 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 -
$50,000+$150 - $199 / hr50 - 249New York, NY
Ability to deliver
38.2/40.018.4/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
100% Web Development30% JavaScript -
$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 / hr1,000 - 9,999Plano, TX
Ability to deliver
36.8/40.017.2/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
20% Web Development25% JavaScript80% 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 -
$10,000+$50 - $99 / hr10 - 49Warszawa, Poland
Ability to deliver
37.5/40.018.4/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
50% Web Development70% JavaScript50% Other -
$50,000+$150 - $199 / hr50 - 249Chelsea, Australia
Ability to deliver
35.9/40.016.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$1,000+< $25 / hr1,000 - 9,999London, England
Ability to deliver
36.5/40.019.2/20 Reviews9.3/10 Clients & Experience8/10 Market PresenceService focus
20% Web Development25% JavaScript80% 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+$100 - $149 / hr50 - 249Long Beach, CA
Ability to deliver
36.2/40.018.2/20 Reviews10/10 Clients & Experience8/10 Market PresenceService focus
100% Web Development40% JavaScript
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.