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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UndisclosedUndisclosed2 - 9München, Germany
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Newsenses, a small Logo company, is headquartered in München, Germany. Their services include Logo and Web Design.
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UndisclosedUndisclosed2 - 9Barranquilla, Colombia
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JSoftApps is a web development company based in Barranquilla, Colombia. They focus on Web Development and Custom Software Development and were established in 2013.
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UndisclosedUndisclosed2 - 9
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Crackerjack Scribe is a Digital Strategy company. They provide Digital Strategy and Email Marketing and were established in 2011. The agency is based in Los Angeles, California.
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UndisclosedUndisclosed2 - 9Rosario, Argentina
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Estudio BL is a website development company headquartered in Rosario, Argentina. The team offers Web Development and Branding.
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UndisclosedUndisclosed2 - 9Amsterdam, Netherlands
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Netplanet Web Development is a web development company. The firm is located in Amsterdam, Netherlands. Their team focuses on Web Development and Marketing Strategy.
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UndisclosedUndisclosed2 - 9București, Romania
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Digital District, an user experience design company, was founded in 2017. The firm specializes in UX/UI Design and Digital Strategy, and is small.
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UndisclosedUndisclosed2 - 9McKinney, TX
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Adelphoi is an Advertising company based in McKinney, Texas. Their services include Advertising and Branding.
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UndisclosedUndisclosed2 - 9București, Romania
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Centrade | Cheil is a Digital Strategy company launched in 2017. The small team focuses on Digital Strategy and Mobile App Development.
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UndisclosedUndisclosed2 - 9San Juan de Miraflores, Peru
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Digital Strategy company Agencia JMC is in San Juan de Miraflores, Peru. Launched in 2015, the team offers Digital Strategy and E-Commerce Development.
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UndisclosedUndisclosed2 - 9
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SEO company Mermelon Design was established in 2016. The company provides Search Engine Optimization and Web Development.
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UndisclosedUndisclosed2 - 9Longmont, CO
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Pixel Brew is an user experience design company established in 2018. The company offers UX/UI Design and Pay Per Click.
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UndisclosedUndisclosed2 - 9Budapest, Hungary
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User experience agency DreamLab Kft. Is headquartered in Budapest, Hungary. They specialize in UX/UI Design and Logo.
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UndisclosedUndisclosed2 - 9Los Alamitos, CA
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C. A. Web Design, Inc. Is a SEO agency. The Los Alamitos, California-based team provides Search Engine Optimization and Web Design.
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UndisclosedUndisclosed2 - 9Baldivis, Australia
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Professional Web Solutions is a software development firm launched in 2015. In Baldivis, Australia, the team provides Custom Software Development and cloud consulting & SI.
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UndisclosedUndisclosed2 - 9Wattle Grove, Australia
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Web Extra is a website development company. They were established in 2012, and their services include Web Development and Email Marketing.
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UndisclosedUndisclosed2 - 9Scottsdale, AZ
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Markit Media Group LLC is an Advertising company. The team specializes in Advertising and Graphic Design, and the firm is in Scottsdale, Arizona.
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UndisclosedUndisclosed2 - 9Zagreb, Croatia
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Virtuabit is an Advertising and website development company. They are in Zagreb, Croatia. Their team focuses on Advertising and Web Development.
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UndisclosedUndisclosed2 - 9Lucknow, India
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Neo Search Logix is a small SEO company located in Lucknow, India. Their services include Search Engine Optimization and Web Development.
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UndisclosedUndisclosed2 - 9
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Founded in 2014, Web Horsepower, a small web development firm, is headquartered in Plano, Texas. Their team specializes in Web Development and Search Engine Optimization.
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$10,000+$100 - $149 / hr2 - 9
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Remote Cloud Consulting, Inc., a cloud consulting & SI company, was founded in 2020. The team specializes in cloud consulting & SI and Web Development and is in.
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UndisclosedUndisclosed2 - 9McLean, VA
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Govatron LLC is a web design company. Founded in 2015, the company focuses on Web Design and UX/UI Design.
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UndisclosedUndisclosed2 - 9
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Icecream Cloud Software UG is a Product Design company. They are in Darmstadt, Germany and have small team. Their team offers Product Design and Custom Software Development.
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UndisclosedUndisclosed2 - 9Florence, AZ
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Relyon, a web design company, is in Florence, Arizona. The team offers Web Design and Web Development.
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UndisclosedUndisclosed2 - 9Barrackpore, India
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SEO services firm Fox Web Wizardz was founded in 2009. The team offers Search Engine Optimization and Pay Per Click and is headquartered in Barrackpore, India.
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UndisclosedUndisclosed2 - 9Istanbul, Türkiye
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Brunos Digital is a web design company. The Istanbul, Türkiye-based agency specializes in Web Design and Web Development.
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UndisclosedUndisclosed2 - 9Jeddah, Saudi Arabia
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Bettertech is a Digital Strategy company. They are headquartered in Jeddah, Saudi Arabia and have small team. They specialize in Digital Strategy and Web Development.
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UndisclosedUndisclosed2 - 9Bratislava, Slovakia
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Okto—consulting is an UX agency. Headquartered in Bratislava, Slovakia, the agency was established in 2022. Their team provides UX/UI Design and Cybersecurity.
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UndisclosedUndisclosed2 - 9
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Audio Production company Superklok Labs was launched in 2008. The team offers Audio Production and Web Design.
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UndisclosedUndisclosed2 - 9Trencin, Slovakia
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Frio.sk is a web design agency. Founded in 2009, their team specializes in Web Design and Web Development.
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UndisclosedUndisclosed2 - 9Clearwater, FL
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Sand Key Ventures is a SEO company. The small Clearwater, Florida-based team offers Search Engine Optimization and Corporate Photography. The agency was launched in 2019.
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UndisclosedUndisclosed2 - 9Tamarac, FL
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Datericorp is a SEO agency founded in 2012. In Tamarac, Florida, the team specializes in Search Engine Optimization and Web Development.
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UndisclosedUndisclosed2 - 9
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SEO services firm Spectra International, LLC was established in 2018. The small team offers Search Engine Optimization and Web Design.
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UndisclosedUndisclosed2 - 9King of Prussia, PA
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Based in King of Prussia, Pennsylvania, First Place Positioning is a SEO company. Founded in 2001, the team specializes in Search Engine Optimization and Social Media Marketing.
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UndisclosedUndisclosed2 - 9Ocean City, NJ
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Blazed Labs, a website development firm, is headquartered in Ocean City, New Jersey. They provide Web Development.
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UndisclosedUndisclosed2 - 9Miami, FL
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Launched in 2012, Netronian Inc. Is a website development firm. Located in Miami, Florida and New York, New York, the team specializes in Web Development and Mobile App Development.
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UndisclosedUndisclosed2 - 9Richland, WA
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&yet is a small Richland, Washington-based branding firm. Their services include Branding and UX/UI Design.
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UndisclosedUndisclosed2 - 9Roma, Italy
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Web development company Do Agency was founded in 2016. The team specializes in Web Development and Blockchain.
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UndisclosedUndisclosed2 - 9
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Precision Algorithm is a small website development firm based in Stamford, Connecticut. The team provides Web Development and UX/UI Design.
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UndisclosedUndisclosed2 - 9Tallmadge, OH
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Paragram, LLC. Is a Tallmadge, Ohio-based SEO company. They focus on Search Engine Optimization and Web Design.
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UndisclosedUndisclosed2 - 9Boston, MA
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Boston Web Designers is a web development firm. The Boston, Massachusetts-based firm focuses on Web Development.
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UndisclosedUndisclosed2 - 9Northumberland, PA
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Cup O Code is a social media marketing firm. Their team is in Northumberland, Pennsylvania. The company offers Social Media Marketing and Web Design.
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UndisclosedUndisclosed2 - 9Oshawa, Canada
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Launched in 2023, Screenlink Technologies is a small branding firm. Their services include Branding and Digital Strategy.
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UndisclosedUndisclosed2 - 9Seattle, WA
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Taliferro Group is a cloud consulting & SI company. The Seattle, Washington-based firm was established in 2020. Their services include cloud consulting & SI and Web Development.
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UndisclosedUndisclosed2 - 9Mérida, Mexico
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Weblabor is a Conversion Optimization company. Located in Mérida, Mexico, their small team provides Conversion Optimization and Web Design. The company was launched in 2015.
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UndisclosedUndisclosed2 - 9Sargodha, Pakistan
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Established in 2022, Zumi Studio is a small branding company based in Sargodha, Pakistan. Their team offers Branding and Graphic Design.
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$25,000+$50 - $99 / hr10 - 49Zagreb, Croatia
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See all 17 projectsNetgen is a web development company specializing in custom website development, web design, and full-stack web development. With an impressive 100% positive feedback rate, clients consistently commend their expertise, flexibility, and customer-centric approach. Approximately 75% of reviewers emphasize their professionalism and collaborative spirit, making them a preferred partner for comprehensive web solutions.
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$5,000+$100 - $149 / hr10 - 49Irvine, CA
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See all 8 projectsHorizon Labs is a web development company specializing in custom software development, website development, and web design. Their clients consistently praise their strong project management, communication, and technical expertise, leading to successful launches and ongoing project support. Notably, 100% of reviewers highlighted their responsiveness and detail-oriented approach, indicating a high level of customer satisfaction.
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$5,000+$50 - $99 / hr10 - 49Wilmington, DE
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See all 9 projectsAutoWeb Technologies is a web development company known for its expertise in website design, custom website development, and online development services. Across their reviews, 100% of clients praise their communication and responsiveness, emphasizing their ability to deliver on time and within budget. Clients highlight a 70% increase in mobile traffic and a 50% reduction in administrative workload, demonstrating their effectiveness and reliability.
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$50,000+$100 - $149 / hr10 - 49Oakville, Canada
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See all 18 projectsOPTASY is a web development company specializing in Drupal-based projects, offering services like custom website development, front-end and back-end solutions, and web application development. Across reviews, 100% of clients praised their expertise, professionalism, and project management capabilities. They were commended for efficient communication, timely delivery, and responsiveness, with recurring mentions of their ability to handle complex Drupal tasks effectively. Overall, OPTASY has consistently exceeded client expectations in delivering high-quality web solutions.
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$1,000+$50 - $99 / hr10 - 49Beograd, Serbia
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See all 10 projectsW3 Lab Digital Solutions is a web development company excelling in Custom Website Development, Web Design, and SEO services. With 100% positive feedback, clients praise their professionalism, timely deliveries, and commitment to excellence. Approximately 75% of reviews highlight their expertise in digital marketing, including Google Ads optimization, contributing significantly to clients' online growth and success.
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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.
Verification doesn’t stop at the point of publication. Our Trust & Safety team routinely audits older reviews against our guidelines. When reviews fall short of our standards, we remove them.
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.
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.
We take fraud seriously. Providers who violate our guidelines may face lower rankings, restricted visibility, or removal from the platform altogether.
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List of the Top 15 JavaScript Development Companies
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$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
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39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
50% Web Development75% JavaScript50% 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 -
$25,000+$50 - $99 / hr50 - 249Kraków, Poland
Ability to deliver
39.5/40.019.6/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% 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
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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
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
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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
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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
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36.8/40.017/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
45% Web Development50% JavaScript55% 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 -
$50,000+$50 - $99 / hr1,000 - 9,999L'viv, Ukraine
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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
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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 -
$10,000+< $25 / hr250 - 999Kolkata, India
Ability to deliver
36.3/40.019/20 Reviews9/10 Clients & Experience8.4/10 Market PresenceService focus
35% Web Development30% JavaScript65% 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
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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
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.