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 87 projectsDigis, a Fiverr company (NYSE: FVRR), is a web development firm offering comprehensive solutions in custom website development, full-stack web development, and web application development. With 100% positive feedback, clients commend their seamless integration into teams, high-quality deliverables, and responsiveness. Approximately 80% of reviews highlight their effective project management and communication, emphasizing their reliability and expertise in meeting project milestones.
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$5,000+$50 - $99 / hr2 - 9
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Founded in 2024, BitForward Studio is a small web development company. Their team specializes in Web Development and Web Design.
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$1,000+$25 - $49 / hr2 - 9
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Heryon is a web design company headquartered in Odesa, Ukraine. Launched in 2024, the team focuses on Web Design and IT managed services.
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$1,000+$25 - $49 / hr2 - 9
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Founded in 2025, Web Mriya, a small website development company, is headquartered in Zhytomyr, Ukraine. Their services include Web Development and Custom Software Development.
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$1,000+$25 - $49 / hr10 - 49
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Founded in 2017, NoBotCoders is a small web development firm. Their team offers Web Development and E-Commerce Development.
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$1,000+$50 - $99 / hr10 - 49
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Wardenclyffe Vision LLC is a branding agency. Their team is based in St. Petersburg, Florida and Berwick, Australia. The firm offers Branding and Social Media Marketing.
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$10,000+$25 - $49 / hr2 - 9Ahmedabad, India
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E-commerce development firm Sinuvera Technologies is located in Ahmedabad, India. They offer E-Commerce Development and Web Development and were launched in 2011.
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$1,000+$25 - $49 / hrFreelancerSan Diego, CA
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Felix O Stack is a mobile application development company. The San Diego, California-based team offers Mobile App Development and Web Development.
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Undisclosed< $25 / hr50 - 249
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Futiq Technologies Pvt. Ltd, an Email Marketing company, is based in Gurgaon, India and. The team specializes in Email Marketing and Mobile App Development.
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$1,000+$25 - $49 / hr10 - 49Gjakovë, Kosovo
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Vorbulla LLC, a website development firm, was established in 2014. The agency provides Web Development and Branding.
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$1,000+$25 - $49 / hr2 - 9Lagos, Nigeria
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Blueatoms Media Limited is a website development firm headquartered in Lagos, Nigeria. They focus on Web Development and Artificial Intelligence.
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$1,000+$25 - $49 / hr2 - 9Bengaluru, India
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Createxp Labs, a software development company, was founded in 2023. They offers Custom Software Development and Web Development.
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Undisclosed< $25 / hr2 - 9Jaipur, India
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SocialKraft is a graphic design company founded in 2018. The small team focuses on Graphic Design and Logo.
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$1,000+< $25 / hr2 - 9Port Orange, FL
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EvergreenTech.io is a software development company. They were founded in 2015 and focus on Custom Software Development and Web Design.
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$5,000+$25 - $49 / hr10 - 49
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See all 9 projectsHutko.dev/ ex. DEV-3 is a proficient web development company offering comprehensive services, including Website Development, Front-End Development, and Back-End Development. They consistently receive positive feedback, with 100% of clients praising their communication and on-time delivery. A notable 80% of reviewers highlight their ability to improvise and meet project needs. Clients commend their responsiveness, attention to detail, and the seamless collaboration they provide.
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$25,000+$150 - $199 / hr10 - 49Philadelphia, PA
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Electric Kite is a website development firm located in Philadelphia, Pennsylvania. They offer Web Development and Web Design and were launched in 1999.
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UndisclosedUndisclosed10 - 49Daly City, CA
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Vitapoly is a mobile app development company and web development company. Established in 2009, the team specializes in Mobile App Development and Web Development.
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UndisclosedUndisclosed10 - 49Cluj-Napoca, Romania
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UNY Web Design is a website development company. Their small team is located in Cluj-Napoca, Romania and focuses on Web Development and Search Engine Optimization. The agency was established in
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UndisclosedUndisclosed10 - 49Ramat Gan, Israel
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AnyApp, a mobile application development company and website development company, was established in 2012. The agency focuses on Mobile App Development and Web Development, and is small.
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UndisclosedUndisclosed10 - 49
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Website development company Agos Design was founded in 2018. The agency focuses on Web Development and Advertising.
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$1,000+$50 - $99 / hr10 - 49Surat, India
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M-Square Technologies is a web design agency. They focus on Web Design and Custom Software Development and were founded in 2017. The firm is in Surat, India.
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UndisclosedUndisclosed10 - 49Stamford, CT
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Founded in 2020, Directus is a website development firm. The agency focuses on Web Development and API Development, and is small.
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$1,000+$25 - $49 / hr2 - 9Bengaluru, India
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Wandler Technologies is a web design agency. Established in 2017, the team specializes in Web Design and Web Development.
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$10,000+$50 - $99 / hr2 - 9Paris, France
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James Bang is an application development company. Their team is headquartered in Paris, France. The company provides Mobile App Development and AR/VR development.
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$5,000+$150 - $199 / hr2 - 9Hvidovre, Denmark
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Meedo is a small app development company. They focus on Mobile App Development and Web Development and were established in 2020.
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$1,000+< $25 / hr10 - 49Indore, India
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Launched in 2008, Magicdesignlabs IT Solutions is a small Indore, India-based web design company. Their team focuses on Web Design and UX/UI Design.
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$1,000+$25 - $49 / hr10 - 49Beograd, Serbia
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JustRaspberry, an application development firm, is located in Beograd, Serbia. They provide Mobile App Development and Web Development and were launched in 2014.
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$1,000+< $25 / hr10 - 49Bhopal, India
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AmazingWeb.Design, a web design agency, was founded in 2017. The team provides Web Design and Web Development.
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$25,000+$100 - $149 / hr10 - 49
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Located in San Francisco, California, Robot Sea Monster is a website development firm. The team offers Web Development and Mobile App Development.
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$10,000+$50 - $99 / hr10 - 49Lyon, France
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Established in 2012, Digital Cover is a Digital Strategy company. Based in St Julian’s, Malta and Lyon, France, the team specializes in Digital Strategy and Search Engine Optimization.
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$1,000+< $25 / hr2 - 9Ahmedabad, India
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See all 1 projectsReUnited Technologies Pvt. Ltd. specializes in Website Development, offering services such as web programming, server management, and online development solutions. Reviews indicate a strong culture fit, dedication, and timely delivery, highlighting the company's commitment and reliability in achieving client objectives effectively.
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$5,000+$50 - $99 / hr2 - 9
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Launched in 2014, Tiger Digital UK is an user experience design agency. The firm focuses on UX/UI Design and E-Commerce Development, and is small.
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$5,000+$100 - $149 / hr2 - 9Bluefield, WV
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Launched in 2015, Starry Eyes Media is a website development firm. Their services include Web Development and Logo.
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$1,000+$50 - $99 / hr2 - 9
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Off the Lip, Inc. Is a web design company. They were established in 2017, and their services include Web Design and Web Development.
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$1,000+$25 - $49 / hr2 - 9Kolkata, India
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Dezignoo, an app development firm, was established in 2020. The company offers Mobile App Development and Web Development, and is small.
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$5,000+$200 - $300 / hr2 - 9London, England
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Rejiggle is a small London, England-based web design agency. The team specializes in Web Design and UX/UI Design.
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$1,000+$50 - $99 / hr2 - 9
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Based in London, England, Full Revolution is a small custom software development company. Their services include Custom Software Development and Web Development.
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$1,000+$25 - $49 / hr2 - 9Bogotá, Colombia
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Launched in 2020, Codwelt is a web development firm. The team provides Web Development and E-Commerce Development.
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$1,000+$100 - $149 / hr2 - 9Kalamazoo, MI
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Brod Solutions is a web development firm. Their small team is based in Kalamazoo, Michigan and focuses on Web Development and Web Design. The firm was launched in 2012.
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$1,000+$50 - $99 / hr2 - 9Duncan, Canada
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JM Web Deisgn is a web design agency. Based in Duncan, Canada, the team focuses on Web Design and Search Engine Optimization.
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$5,000+$25 - $49 / hr2 - 9Chișinău, Moldova
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MoldaHost is a web development firm and API Development company located in Chișinău, Moldova. The team focuses on Web Development and API Development.
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Undisclosed< $25 / hr2 - 9Rajpur Sonarpur, India
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FBC Innovations, a small custom software development company, is located in Rajpur Sonarpur, India and Indore, India. Their services include Custom Software Development and Web Development.
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$5,000+$50 - $99 / hr2 - 9София, Bulgaria
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Headquartered in София, Bulgaria, Web Grow Studio is a small web design agency. Their services include Web Design and UX/UI Design.
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$5,000+$100 - $149 / hr10 - 49Palm Coast, FL
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See all 1 projectsMarketing 180 is a full-service digital marketing agency offering a massive portfolio of expert services. We work with leading brands and businesses, nationwide, providing innovative, effective
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$5,000+$25 - $49 / hr10 - 49Surat, India
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Established in 2018, Sakrat is an AI development company. Their team offers Artificial Intelligence and Custom Software Development.
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$10,000+$25 - $49 / hr10 - 49
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Launched in 2025, GOAT Developers pvt. Ltd. Is an artificial intelligence company. Their services include Artificial Intelligence and Product Design.
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$5,000+$25 - $49 / hr10 - 49Kharkiv, Ukraine
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IC Studio is a Kharkiv, Ukraine-based software development firm. They specialize in Custom Software Development and Web Development.
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$5,000+< $25 / hr10 - 49
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See all 1 projectsGiks provides comprehensive Website Development, Web Design, and SEO services. Overall feedback highlights their professionalism, expertise, and strong project management skills. Clients commend their ability to deliver high-quality, user-friendly websites and improved online visibility, although some mention a need for greater receptiveness to feedback.
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$1,000+$150 - $199 / hr10 - 49Milnthorpe, England
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Website development firm BFI is located in Milnthorpe, England. Their services include Web Development and Web Design.
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$1,000+Undisclosed10 - 49Waltham, MA
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See all 1 projectsInfynnite specializes in company brand development, including logo design and web design. The overall feedback highlights their ability to deliver projects swiftly and meet client needs effectively. Clients were particularly impressed with the seamless workflow and highly recommend Infynnite to other businesses.
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$25,000+$25 - $49 / hr10 - 49Kyiv, Ukraine
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Allatrack, a mobile application development firm, was launched in 2016. The firm specializes in Mobile App Development and Web Development, and is small.
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List of the Top 15 JavaScript Development Companies
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$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
50% Web Development70% JavaScript50% Other -
$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 -
$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
37.7/40.018.4/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
50% Web Development50% JavaScript50% Other -
$10,000+Undisclosed50 - 249San Francisco, CA
Ability to deliver
38.9/40.019.6/20 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
39.3/40.019.8/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
50% Web Development35% JavaScript50% Other -
$50,000+$100 - $149 / hr1,000 - 9,999San Francisco, CA
Ability to deliver
39.9/40.020/20 Reviews9.9/10 Clients & Experience10/10 Market PresenceService focus
15% Web Development25% JavaScript85% 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 -
$25,000+$25 - $49 / hr50 - 249Newark, DE
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
40% Web Development35% JavaScript60% 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+$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 -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
36.8/40.017.2/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
60% Web Development45% JavaScript40% 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 - 9,999L'viv, Ukraine
Ability to deliver
38.8/40.019/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
21% Web Development18% JavaScript79% Other -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
37.2/40.018.2/20 Reviews10/10 Clients & Experience9/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$25,000+$50 - $99 / hr1,000 - 9,999New York, NY
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Web Development33% JavaScript90% Other -
$10,000+$25 - $49 / hr250 - 999New York, NY
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
30% Web Development15% JavaScript70% 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 -
$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 -
$50,000+$150 - $199 / hr50 - 249Matlock, England
Ability to deliver
38.2/40.018.4/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
100% Web Development30% JavaScript -
$1,000+< $25 / hr1,000 - 9,999Los Angeles, CA
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36.9/40.019.6/20 Reviews9.3/10 Clients & Experience8/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$10,000+$50 - $99 / hr10 - 49Warszawa, Poland
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37.8/40.018.6/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
50% Web Development70% JavaScript50% Other -
$50,000+$150 - $199 / hr50 - 249New York, NY
Ability to deliver
35.9/40.016.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$50,000+$150 - $199 / hr250 - 999Irvine, CA
Ability to deliver
36.4/40.016.4/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
30% Web Development30% JavaScript70% Other -
$10,000+< $25 / hr250 - 999Hanoi, Vietnam
Ability to deliver
37.9/40.018.6/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
30% Web Development21% JavaScript70% Other -
$100,000+$25 - $49 / hr250 - 999Cebu City, Philippines
Ability to deliver
38.1/40.019.4/20 Reviews10/10 Clients & Experience8.7/10 Market PresenceService focus
30% Web Development20% 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.