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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$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+$25 - $49 / hr10 - 49Vila Nova de Gaia, Portugal
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Launched in 2018, Weboost Agência de Marketing Digital is an UX design agency. The team provides UX/UI Design and Digital Strategy.
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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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$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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$1,000+$25 - $49 / hr10 - 49
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GenStack AI is a web development company established in 2023. Their team focuses on Web Development and Artificial Intelligence.
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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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$1,000+< $25 / hr2 - 9
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Tech Simians is a cloud consulting & SI company. The firm is in Mumbai, India. Their services include cloud consulting & SI and Custom Software Development.
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$100,000+$100 - $149 / hr50 - 249Sevilla, Spain
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Z1 Digital Studio is an UX agency. Established in 2014, the firm is located in Sevilla, Spain and Victoria, Canada. Their team offers UX/UI Design and Mobile App Development.
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$50,000+$100 - $149 / hr2 - 9Montréal, Canada
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Small software development company Symbiosys, is located in Montréal, Canada. The team offers Custom Software Development and Mobile App Development.
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$1,000+< $25 / hr2 - 9Sacramento, CA
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SpringHive is a web design company based in Sacramento, California. Launched in 2019, the team focuses on Web Design and Web Development.
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Undisclosed$25 - $49 / hr2 - 9Gdynia, Poland
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Heksagraf is a web design company. Founded in 2017, the company is located in Gdynia, Poland. Their team specializes in Web Design and UX/UI Design.
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$5,000+$25 - $49 / hr2 - 9Shah Alam, Malaysia
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Headquartered in Shah Alam, Malaysia, Appleseeds is a small web development firm. The team provides Web Development and UX/UI Design.
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$10,000+$50 - $99 / hr50 - 249Zlín, Czech Republic
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Launched in 2009, madeo is a midsize user experience design agency. Their services include UX/UI Design and Web Development.
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$10,000+$100 - $149 / hr2 - 9Singapore, Singapore
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Wicked is an UX company. The agency is based in Singapore, Singapore. Their services include UX/UI Design and Web Development.
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Undisclosed$25 - $49 / hr2 - 9Łódź, Poland
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Webonado is a Łódź, Poland-based web development firm. Launched in 2015, the team specializes in Web Development and Custom Software Development.
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$10,000+$50 - $99 / hr10 - 49Dnipropetrovs'k, Ukraine
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GetApp Group, a small web development company, is located in Dnipropetrovs'k, Ukraine. The team offers Web Development and Mobile App Development.
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$1,000+< $25 / hr2 - 9Kathmandu, Nepal
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Group Phoenix Pvt.Ltd is a website development company. Based in Kathmandu, Nepal, the team specializes in Web Development and E-Commerce Development.
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$25,000+$50 - $99 / hr10 - 49
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Cytech Ltd, a custom software development firm, was established in 2001. The small team offers Custom Software Development and Web Development.
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$1,000+< $25 / hr50 - 249Oak Park, CA
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Web development firm iPraxa Inc is in Oak Park, California and Noida, India. Their services include Web Development and Mobile App Development.
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$5,000+$25 - $49 / hr250 - 999Mumbai, India
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Olio Global Adtech LLP is a Mumbai, India-based SEO company. They provide Search Engine Optimization and UX/UI Design and were launched in 2015.
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$1,000+< $25 / hr50 - 249Noida, India
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See all 3 projectsPNJ Sharptech specializes in Website Development, Web Design, and content writing, showcasing proficiency in PHP and WordPress site development. Client feedback highlights their professionalism, effective communication, and adaptability to client suggestions, resulting in high satisfaction and notable project outcomes. Their customizable plans and comprehensive service offerings are particularly praised.
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$1,000+$25 - $49 / hr10 - 49Kyiv, Ukraine
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See all 1 projectsVicson Digital specializes in developing custom software applications, particularly for the automatization of engineering tasks, as evidenced by their work on an app for engineering drawings. Reviews consistently highlight their effective project management, timely communication, and positive impact on operational efficiency, though a suggestion was made for 24-hour support to accommodate different time zones.
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$5,000+$100 - $149 / hr10 - 49Sofia, Bulgaria
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Located in Sofia, Bulgaria, vConnect is an e-commerce development company. Founded in 2014, the team focuses on E-Commerce Development and Web Development.
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Undisclosed$25 - $49 / hr50 - 249Islamabad, Pakistan
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FMEModules is an e-commerce development firm. In Islamabad, Pakistan, the team provides E-Commerce Development and Application Management & Support.
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$10,000+$150 - $199 / hr2 - 9Bourne, MA
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Based in Bourne, Massachusetts, Dative, Inc. Is a web design company. They focus on Web Design and Web Development and were established in 2013.
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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.
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We evaluate service providers using a structured methodology that combines:
- In-depth client interviews and ratings
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- Market presence
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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.
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
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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
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
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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
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
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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.