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 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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$50,000+$25 - $49 / hr10 - 49Poprad, Slovakia
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Founded in 2016, ADUS Technologies is a software development company. The small team provides Custom Software Development and Enterprise App Modernization.
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$1,000+< $25 / hr10 - 49Jaipur, India
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Raptechzoid Software Solutions Pvt. Ltd., a website development firm, focuses on Web Development and Mobile App Development. The company is headquartered in Jaipur, India.
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$5,000+$50 - $99 / hr10 - 49Chennai, India
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Calpyte Technologies is a small Chennai, India-based web development company. The team provides Web Development and Mobile App Development.
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$5,000+< $25 / hr10 - 49Ivano-Frankivs'k, Ukraine
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WebVatra is a web development firm. Based in Ivano-Frankivs'k, Ukraine, the team offers Web Development and UX/UI Design.
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$1,000+$150 - $199 / hr10 - 49
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Site Architects is an IT managed services company founded in 2005. The small team specializes in IT managed services and Web Development.
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$1,000+< $25 / hr10 - 49
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Website development company AvinyaWeb is based in Bikaner, India. Their services include Web Development and API Development.
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UndisclosedUndisclosed10 - 49Bettembourg, Luxembourg
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Web development company Sera Solutions is in Bettembourg, Luxembourg. Established in 2021, the team specializes in Web Development and Web Design.
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$1,000+$25 - $49 / hr10 - 49Sharjah, United Arab Emirates
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Xirosys is a custom software development firm. Their team is located in Sharjah, United Arab Emirates. The agency provides Custom Software Development and Web Development.
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$1,000+$25 - $49 / hr10 - 49
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See all 1 projectsSatish Tech Innovations is a leading IT company with over a decade of excellence in web development, app development, and digital marketing. We provide a comprehensive suite of services designed to
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$1,000+< $25 / hr50 - 249Dhaka, Bangladesh
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Triangle Technologies Ltd, a website development firm, is in Dhaka, Bangladesh. The team specializes in Web Development and Custom Software Development.
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$25,000+$25 - $49 / hr50 - 249Sydney, Australia
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Launched in 2015, Adaca, a midsize web development firm, is headquartered in Sydney, Australia and Teneriffe, Australia. Their team offers Web Development and Mobile App Development.
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$1,000+< $25 / hr50 - 249
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Niswebtech Pvt Ltd is a web design agency. They are based in Trichy, India, and their services include Web Design and Web Development.
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$1,000+$25 - $49 / hr2 - 9Nairobi, Kenya
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Founded in 2020, Antratech Studios is a small website development firm. Their services include Web Development and Web Design.
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$5,000+$25 - $49 / hr2 - 9Iași, Romania
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Space Giant is an app development company. Established in 2012, the team provides Mobile App Development and Web Development. The firm is located in Iași, Romania.
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$5,000+$300+ / hr2 - 9Kuala Lumpur, Malaysia
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ELifeStyles, a web development company, was launched in 2019. The team provides Web Development and Web Design.
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UndisclosedUndisclosed2 - 9
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MSWebmaker is a Digital Strategy company in Miami, Florida. They offer Digital Strategy and Web Design.
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$50,000+$25 - $49 / hr50 - 249Yerevan, Armenia
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CosySoft is a website development company established in 2012. Located in Yerevan, Armenia, the team focuses on Web Development and Mobile App Development.
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$1,000+Undisclosed50 - 249Pearl River, NY
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Reach Marketing, LLC is an Email Marketing company. Their midsize team of employees is based in Pearl River, New York. Their team specializes in Email Marketing and BI & big data consulting & SI.
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$10,000+$100 - $149 / hr10 - 49München, Germany
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Web design company mindcaps GmbH offers Web Design and UX/UI Design. They were launched in 2015.
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$1,000+$25 - $49 / hr10 - 49Sofia, Bulgaria
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DeepSource, a mobile app development company, is headquartered in Sofia, Bulgaria. The team specializes in Mobile App Development and Web Development.
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UndisclosedUndisclosed10 - 49New York, NY
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Under Creativity is a web design agency. Their team is headquartered in New York, New York and offers Web Design and Web Development.
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$10,000+$50 - $99 / hr50 - 249Rzeszów, Poland
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Launched in 1966, ZETO-RZESZÓW Sp. Z.o.o is a website development company. The midsize team specializes in Web Development and Custom Software Development.
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$1,000+$25 - $49 / hrFreelancerIraklio, Greece
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Vontikakis is a web development company. Their small team is based in Iraklio, Greece. Their services include Web Development and cloud consulting & SI.
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$1,000+$25 - $49 / hr10 - 49Kharkiv, Ukraine
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Launched in 2017, Lengmeng is a small Kharkiv, Ukraine-based website development company. Their team provides Web Development and Web Design.
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$1,000+$50 - $99 / hr10 - 49Barcelona, Spain
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FEEL! is a Barcelona, Spain-based Digital Strategy company. Their services include Digital Strategy and Search Engine Optimization.
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$5,000+< $25 / hr10 - 49Ahmedabad, India
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Founded in 2010, AavidTechnologies is a web development firm. The team provides Web Development and E-Commerce Development.
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$1,000+$25 - $49 / hr10 - 49Chennai, India
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In Chennai, India, GRAMOSOFT PRIVATE LIMITED is a software development firm. Their services include Custom Software Development and Web Development.
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$1,000+< $25 / hr10 - 49Jaipur, India
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ISolution is a Jaipur, India-based software development company. They specialize in Custom Software Development and E-Commerce Development.
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$10,000+$50 - $99 / hr10 - 49Amsterdam, Netherlands
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100grams is an application development firm founded in 2011. The team specializes in Mobile App Development and Mobile & App Marketing and is headquartered in Amsterdam, Netherlands.
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$1,000+$50 - $99 / hr10 - 49Quito, Ecuador
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Launched in 2008, NK is a web development firm. Their team offers Web Development and E-Commerce Development.
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$10,000+$100 - $149 / hr10 - 49Kansas City, MO
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Code Koalas is a Kansas City, Missouri-based website development company. The team focuses on Web Development and Mobile App Development.
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$1,000+$25 - $49 / hr10 - 49Noida, India
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TECHCENTRICA is a Digital Strategy company. The team is located in Noida, India, and their services include Digital Strategy and Direct Marketing.
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$10,000+$50 - $99 / hr10 - 49Brno, Czech Republic
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Web design agency SUPERKODERS is in Brno, Czech Republic. Their services include Web Design and Web Development.
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$5,000+$50 - $99 / hrFreelancerVancouver, Canada
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Jismon Thomas is a website development firm. Their team is based in Vancouver, Canada and specializes in Web Development and Web Design.
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$5,000+$25 - $49 / hr50 - 249Porto Alegre, Brazil
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Digital Business is an UX agency launched in 2011. Their team specializes in UX/UI Design and Digital Strategy.
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$1,000+$25 - $49 / hr10 - 49Khmelnytskyi, Ukraine
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Global Partner Soft is an UX agency. Headquartered in Khmelnytskyi, Ukraine, the firm offers UX/UI Design and E-Commerce Development.
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$1,000+$50 - $99 / hr2 - 9
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Website Vikreta, a small web design company, is located in Pimpri-Chinchwad, India. Their services include Web Design and UX/UI Design.
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$1,000+$25 - $49 / hr10 - 49
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See all 1 projectsDevcenter is a software development company specializing in web application development with technologies like PHP and React.js. However, 100% of the feedback reflects dissatisfaction with their performance, citing slow responsiveness, poor documentation, and a product with significant issues. The company struggled to meet expectations, resulting in the client opting to work with a different vendor.
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UndisclosedUndisclosed10 - 49Armenia, Colombia
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Web development company Igniweb was launched in 2012. Located in Armenia, Colombia, the team provides Web Development and Digital Strategy.
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$5,000+< $25 / hr10 - 49
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See all 2 projectsDev TechnoLabs specializes in Website Development, Web Design, and Web Programming. Their clientele appreciates their professional approach, timely deliveries, and effective communication. Reviews highlight their expertise in developing online platforms, with clients specifically recommending their services for web development projects due to their reliability and thorough project management.
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$1,000+$25 - $49 / hr2 - 9
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Nexenvista is a website development firm. They were launched in 2024 and focus on Web Development and Web Design.
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$1,000+$25 - $49 / hr2 - 9New York, NY
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Webo Creators is a SEO agency. The team focuses on Search Engine Optimization and E-Commerce Development, and the firm is headquartered in New York, New York.
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$10,000+$25 - $49 / hr50 - 249Vancouver, Canada
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See all 1 projectsWe're a design-first software consulting, development, and deployment agency with headquarters in Vancouver and a offices in Ahmedabad and Bengaluru. Our mission is simple yet powerful: to build
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$5,000+$50 - $99 / hr2 - 9Indianola, IA
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In Indianola, Iowa, Gradient9 Studios is a small Advertising company. Their services include Advertising and Branding.
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$1,000+< $25 / hr2 - 9Tallinn, Estonia
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SvartDev is a mobile app development firm. Located in Tallinn, Estonia, the company offers Mobile App Development and Web Development.
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$10,000+$50 - $99 / hr10 - 49
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See all 2 projectsEdge Tech Studio specializes in Website Development, offering tailored Web Dev solutions with a focus on innovative problem-solving and client-specific needs. Reviews highlight their expertise in building online ordering platforms, from design to deployment, with impressive communication, project management, and ongoing support. Clients praise their ability to create user-friendly and efficient web systems, enhancing business success and client satisfaction.
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Undisclosed$25 - $49 / hr50 - 249Surat, India
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See all 1 projectsITCode Infotech offers ERP system development and courier scheduling and management solutions. Reviews highlight their excellent project management, timely delivery, and commitment to transparency. Clients appreciate the team's ability to meet expectations, their professionalism in communication, and the overall value for cost, making ITCode Infotech a reliable option for IT solutions.
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$5,000+$25 - $49 / hr50 - 249Lalitpur, Nepal
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Asterdio Inc. Is a midsize user experience design agency. They specialize in UX/UI Design and Web Development and were launched in 2015.
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$5,000+$100 - $149 / hr10 - 49
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Zeek Studio is a Vaughan, Canada-based website development company. They offer Web Development and UX/UI Design.
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$1,000+< $25 / hr10 - 49
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Henixweb is a web design company. The company is based in Ahmedabad, India. Their services include Web Design and Web Development.
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Get My MatchesWhy Trust Clutch
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.
Every review on Clutch undergoes a rigorous, human-led verification process to make sure it’s valid. Our team of specialists confirms the identity of each reviewer, ensures the project is legitimate, and only publishes reviews that meet our strict criteria.
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We evaluate service providers using a structured methodology that combines:
- In-depth client interviews and ratings
- Comprehensive project details
- Market presence
- Portfolio examples and industry recognition
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.
Using this unique combination of verified client feedback and provider-supplied insights, Clutch distills the most important details into clear, digestible summaries so you have everything you need to make confident, informed decisions quickly.
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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
39/40.019.2/20 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
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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
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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
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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
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35.9/40.016.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
40% Web Development35% JavaScript60% 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 -
$50,000+$50 - $99 / hr1,000 - 9,999L'viv, Ukraine
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38.4/40.018.6/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
21% Web Development18% JavaScript79% 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 / hr1,000 - 9,999Plano, TX
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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
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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 - 249Cypress, 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.