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 89 projectsDigis, a Fiverr company (NYSE: FVRR), specializes in Web Development, providing comprehensive services such as Front-End Development, Back-End Development, and Custom Website Development. Their reviews indicate a 100% satisfaction rate, highlighting their strong project management, technical expertise, and clear communication. Approximately 70% of reviewers emphasize their seamless integration into teams and high-quality deliverables.
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$10,000+$100 - $149 / hr10 - 49Singapore, Singapore
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Devhaus is a small website development company launched in 2020. Their services include Web Development and CRM consulting and SI.
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$1,000+$25 - $49 / hr10 - 49Tampa, FL
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App development firm Creative Studio 24 is headquartered in Tampa, Florida. Launched in 2016, the team focuses on Mobile App Development and Web Development.
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$10,000+$25 - $49 / hr50 - 249Ahmedabad, India
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See all 1 projectsIConflux Technologies Pvt Ltd is a full-stack web development company known for its expertise in custom website development and web application development. The company has received consistently positive feedback, with clients praising their project management, technical strength, and timely delivery. Approximately 100% of the reviews commend their effective communication and alignment with client needs.
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$50,000+$50 - $99 / hr50 - 249Minsk, Belarus
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Qaprosoft is an Application Testing company. The Roseville, California-based firm offers Application Testing and AR/VR development.
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$5,000+$25 - $49 / hr50 - 249Ciudad de México, Mexico
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IT staff augmentation company Indigo was launched in 2009. The midsize team specializes in IT staff augmentation and Custom Software Development.
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$1,000+$25 - $49 / hr50 - 249Jaipur, India
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Headquartered in Jaipur, India, Sara Analytics is a midsize app development firm. Their services include Mobile App Development and Web Development.
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$1,000+< $25 / hr50 - 249Secaucus, NJ
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Software development company ENS Enterprises Private Limited was founded in 2016. The company specializes in Custom Software Development and E-Commerce Development, and is midsize.
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$5,000+$25 - $49 / hr50 - 249Stutensee, Germany
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Founded in 2020, Kenner Soft Service GmbH is an e-commerce development company. Their team provides E-Commerce Development and Custom Software Development.
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$5,000+$25 - $49 / hr50 - 249Novi Sad, Serbia
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Lilly021, a software development firm, is in Novi Sad, Serbia and Frankfurt am Main, Germany. Their services include Custom Software Development and Web Development.
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$1,000+$25 - $49 / hr50 - 249Dhaka, Bangladesh
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Well IT & Consultancy Ltd is a website development company based in Dhaka, Bangladesh and Dhaka, Bangladesh. Launched in 2022, the team specializes in Web Development and Search Engine Optimization.
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$5,000+$100 - $149 / hr50 - 249Sahibzada Ajit Singh Nagar, India
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Located in Sahibzada Ajit Singh Nagar, India, ThinkNEXT Technologies Private Limited is a pay per click agency. Their services include Pay Per Click and Web Development.
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$10,000+$50 - $99 / hrFreelancer
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Engaging is an Enterprise App Modernization company. In Brighton and Hove, England, their small team specializes in Enterprise App Modernization and Web Development. The agency was founded in 2006.
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$10,000+$100 - $149 / hr10 - 49Manchester, England
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Established in 2010, Bliss is a small website development firm. Their team specializes in Web Development and Digital Strategy.
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$1,000+$50 - $99 / hr10 - 49Milano, Italy
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SiComunicaWeb is a SEO agency launched in 2010. Their services include Search Engine Optimization and Pay Per Click.
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$5,000+< $25 / hr10 - 49New Delhi, India
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Pepper Designs Pvt Ltd is a graphic design agency. Established in 2007, the firm is based in New Delhi, India. Their services include Graphic Design and Web Design.
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$10,000+$50 - $99 / hr10 - 49Reading, England
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Code23 is a small software development company headquartered in Reading, England. The team specializes in Custom Software Development and E-Commerce Development.
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$5,000+$25 - $49 / hr10 - 49Kielce, Poland
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Fancybox is a custom software development firm. Based in Kielce, Poland, their small team provides Custom Software Development and Web Development. The company was founded in 2015.
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UndisclosedUndisclosed10 - 49Sydney, Australia
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Corporate Interactive, a software development firm, is headquartered in Sydney, Australia. They offer Custom Software Development and E-Commerce Development and were founded in 2001.
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$25,000+$25 - $49 / hr10 - 49New York, NY
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Cryptex Technologies is a small website development firm. Founded in 2007, the team offers Web Development and Custom Software Development.
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$5,000+$25 - $49 / hr10 - 49Kharkiv, Ukraine
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IT staff augmentation company Metrabit was founded in 2018. The agency offers IT staff augmentation and Web Development.
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$25,000+$50 - $99 / hr10 - 49
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The Nth Bit Labs is a small software development company located in Delhi, India. The team provides Custom Software Development and Web Development.
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$10,000+$25 - $49 / hr2 - 9Mostar, Bosnia and Herzegovina
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Meta Software Solutions, a small web development company, is based in Mostar, Bosnia and Herzegovina. The team provides Web Development and Custom Software Development.
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Undisclosed< $25 / hr2 - 9Bengaluru, India
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CodeDotArt, an AR/VR development company, was launched in 2013. They offers AR/VR development and Web Development.
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$10,000+$25 - $49 / hr10 - 49Warszawa, Poland
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Founded in 2019, Tech Paradise is an app development firm. The agency offers Mobile App Development and Custom Software Development.
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$1,000+$50 - $99 / hr10 - 49
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Founded in 2019, Marketers Agency is a small Digital Strategy company. Their team focuses on Digital Strategy and Search Engine Optimization.
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$25,000+$150 - $199 / hr10 - 49Calgary, Canada
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Swank Collective is a branding agency based in Calgary, Canada. Their services include Branding and Marketing Strategy.
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$1,000+$25 - $49 / hr10 - 49Ahmedabad, India
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See all 2 projectsTechnical Core Engineers is a web development company renowned for its comprehensive and tailored solutions, including web and mobile app development and back-end infrastructure enhancement. With 100% positive feedback, clients commend their rapid responsiveness, timely delivery, and impressive project management. Notable achievements include a 40% reduction in website load times and a 30% increase in client satisfaction.
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Undisclosed< $25 / hr10 - 49
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See all 1 projectsClecotech International Private Limited excels in Website Development and Web Programming, offering robust solutions like scalable web platforms using technologies such as Ruby on Rails, AWS S3, and RDS. Client feedback highlights their problem-solving capabilities, effective Agile project management, and high reliability, ensuring a smooth user experience and proactive issue resolution.
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$1,000+$50 - $99 / hr10 - 49New Delhi, India
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See all 1 projectsTransform your online presence with Sync Soft Solution! We specialize in Digital Marketing, Web Design, and AdWords to help your business grow faster than ever before. From creating stunning,
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Undisclosed$100 - $149 / hr10 - 49
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Internetbureau Haboes is an Amsterdam, Netherlands-based website development company. Established in 2010, the team offers Web Development and UX/UI Design.
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$1,000+< $25 / hr10 - 49Jaipur, India
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Mobile app development company Appwallaz was launched in 2012. The agency specializes in Mobile App Development and Web Development, and is small.
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$1,000+< $25 / hr10 - 49
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Agasti Technologies Private Limited is a web design agency headquartered in Akole, India. Launched in 2015, the team offers Web Design and UX/UI Design.
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$10,000+$25 - $49 / hr10 - 49Kharkiv, Ukraine
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Application development company Push is located in Kharkiv, Ukraine and Sheridan, Wyoming. The team offers Mobile App Development and Custom Software Development.
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$5,000+$50 - $99 / hr10 - 49Brașov, Romania
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Website development company Codegile was founded in 2014. In Brașov, Romania and Cluj-Napoca, Romania, the team provides Web Development and API Development.
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$1,000+$25 - $49 / hr10 - 49Kraków, Poland
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Abventor - a team of Drupal developers is a software development company. The team specializes in Custom Software Development and E-Commerce Development, and the agency is in Kraków, Poland.
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$1,000+$25 - $49 / hr10 - 49Kharkiv, Ukraine
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Social Engine Market is a web development company. Their small team is based in Kharkiv, Ukraine. Their services include Web Development and UX/UI Design.
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$10,000+$25 - $49 / hr10 - 49Ahmedabad, India
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In Ahmedabad, India, Imperial Infosys is a small app development firm. Their services include Mobile App Development and Web Development.
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$1,000+$25 - $49 / hr10 - 49
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Neocodis is a Filsum, Germany-based custom software development firm. They provide Custom Software Development and Web Development.
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$1,000+$25 - $49 / hr10 - 49New Shimla, India
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Reontek IT Systems is a website development company. They are headquartered in New Shimla, India and have small team. They focus on Web Development and Content Marketing.
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$1,000+< $25 / hr10 - 49Ariana, Tunisia
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IdeaLump Tunisia is a mobile application development firm. The team focuses on Mobile App Development and Web Development and is headquartered in Ariana, Tunisia.
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Undisclosed< $25 / hr10 - 49Islamabad, Pakistan
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Established in 2014, Techuire is a small Islamabad, Pakistan-based e-commerce development firm. Their services include E-Commerce Development and Search Engine Optimization.
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$25,000+$25 - $49 / hr10 - 49Ho Chi Minh, Vietnam
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Bigin is a Ho Chi Minh, Vietnam-based software development firm. Their services include Custom Software Development and Web Development.
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$1,000+$50 - $99 / hr10 - 49Salt Lake City, UT
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HyperGrowthCEO is an Advertising company. They were launched in 2007 and focus on Advertising and Email Marketing.
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$10,000+$50 - $99 / hr10 - 49London, England
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DevGap, an e-commerce development company, is based in London, England and Machelen, England. They provide E-Commerce Development and Web Development and were founded in 2017.
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$5,000+$25 - $49 / hr10 - 49
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Core Systems is a mobile application development firm. In Managua, Nicaragua, the company specializes in Mobile App Development and Web Development.
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$1,000+$25 - $49 / hr10 - 49Noida, India
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Witoni Softwares & Services, a small e-commerce development company, is headquartered in New Delhi, India and Noida, India. Their services include E-Commerce Development and Web Development.
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$1,000+$25 - $49 / hr10 - 49Ahmedabad, India
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Small mobile application development company Praxinfo Solutions, is headquartered in Ahmedabad, India. The team provides Mobile App Development and Web Development.
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$1,000+< $25 / hr10 - 49Kolkata, India
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Bitpastel is a mobile app development company founded in 2017. Their team focuses on Mobile App Development and Web Development.
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$10,000+$50 - $99 / hr10 - 49
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Swiftmade is a software development firm. Their team is based in Tallinn, Estonia and specializes in Custom Software Development and Mobile App Development.
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$25,000+$50 - $99 / hr10 - 49Giannouli, Greece
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Software development company SB Technologies focuses on Custom Software Development and Mobile App Development. They were launched in 2017.
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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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- 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
39.5/40.019.6/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
45% Web Development75% JavaScript55% Other -
$10,000+< $25 / hr250 - 999Thiruvananthapuram, India
Ability to deliver
38.5/40.019.2/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
50% Web Development50% JavaScript50% Other -
$25,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
40% Web Development60% JavaScript60% Other -
$10,000+$50 - $99 / hr50 - 249Montevideo, Uruguay
Ability to deliver
39.5/40.020/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
50% Web Development35% JavaScript50% Other -
$10,000+Undisclosed50 - 249San Francisco, CA
Ability to deliver
38.7/40.019.4/20 Reviews9.6/10 Clients & Experience9.7/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$25,000+< $25 / hr250 - 999Ahmedabad, India
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
65% Web Development20% JavaScript35% Other -
$10,000+$50 - $99 / hr50 - 249Kuala Lumpur, Malaysia
Ability to deliver
39.3/40.020/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
30% Web Development70% JavaScript70% Other -
$5,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
36.5/40.017.6/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$25,000+$25 - $49 / hr50 - 249Newark, DE
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 -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
37.6/40.018.6/20 Reviews10/10 Clients & Experience9/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$50,000+$25 - $49 / hr50 - 249Kharkiv, Ukraine
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 -
$50,000+$100 - $149 / hr1,000 - 9,999San Francisco, CA
Ability to deliver
38.7/40.018.8/20 Reviews9.9/10 Clients & Experience10/10 Market PresenceService focus
15% Web Development25% JavaScript85% Other -
$1,000+< $25 / hr250 - 999Walpole, MA
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 - 9,999New York, NY
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Web Development25% JavaScript90% Other -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
36.3/40.016.6/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$10,000+< $25 / hr250 - 999Hanoi, Vietnam
Ability to deliver
38.7/40.019.2/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
30% Web Development21% JavaScript70% Other -
$10,000+$25 - $49 / hr1,000 - 9,999Plano, TX
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36.9/40.017.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$10,000+$50 - $99 / hr250 - 999Marlborough, MA
Ability to deliver
38.7/40.019/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
25% Web Development25% JavaScript75% Other -
$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 / hr250 - 999New York, NY
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
28% Web Development15% JavaScript72% Other -
$50,000+$150 - $199 / hr50 - 249Matlock, England
Ability to deliver
37.8/40.018/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
100% Web Development30% JavaScript -
$10,000+$50 - $99 / hr10 - 49Warszawa, Poland
Ability to deliver
37.3/40.018.2/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
50% Web Development70% JavaScript50% Other -
$50,000+$50 - $99 / hr1,000 - 9,999L'viv, Ukraine
Ability to deliver
38/40.018.2/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
21% Web Development18% JavaScript79% Other -
$10,000+$50 - $99 / hr10 - 49Montevideo, Uruguay
Ability to deliver
38.3/40.019.4/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$50,000+$150 - $199 / hr250 - 999Irvine, CA
Ability to deliver
36.2/40.016.2/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
30% Web Development30% JavaScript70% Other
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.