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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Heartland Web Development, a web design agency and website development firm, was launched in 2003. The small team focuses on Web Design and Web Development.
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UndisclosedUndisclosed2 - 9Brasília , Brazil
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Software development company True Software Ltda was established in 2002. The firm offers Custom Software Development and Mobile App Development, and is small.
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UndisclosedUndisclosed2 - 9Coquitlam, Canada
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E-commerce development firm Digit Art Designs Ltd was founded in 2003. In Coquitlam, Canada, the team focuses on E-Commerce Development and Web Development.
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UndisclosedUndisclosed2 - 9
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Transmedia Creatives, a web development firm, was launched in 2016. The company provides Web Development and Search Engine Optimization, and is small.
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UndisclosedUndisclosed2 - 9Torino, Italy
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Based in Torino, Italy, Righetti Agency is a small web development company. Their services include Web Development and Search Engine Optimization.
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UndisclosedUndisclosed2 - 9Alexandria, VA
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In Alexandria, Virginia, Musketeers.me is a small web development company. Their services include Web Development and Web Design.
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UndisclosedUndisclosed2 - 9
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Launched in 2008, Refresh Web Design is a small Richmond , Virginia-based SEO services firm. Their services include Search Engine Optimization and Web Design.
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UndisclosedUndisclosed2 - 9Varna, Bulgaria
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M&G Development Ltd is a web design agency and website development firm. Their small team is in Varna, Bulgaria. Their services include Web Design and Web Development.
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UndisclosedUndisclosed2 - 9Lawrence, KS
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Underscore Design is a Lawrence, Kansas-based web design agency. Founded in 2002, the team offers Web Design and Web Development.
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UndisclosedUndisclosed2 - 9San Sebastián de los Reyes, Spain
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Taiko Solutions is a web development firm. The team focuses on Web Development and Web Design, and the firm is headquartered in San Sebastián de los Reyes, Spain.
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UndisclosedUndisclosed2 - 9Rosario, Argentina
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Wearable App Development company Wdesign was founded in 2002. The agency provides Wearable App Development and Web Development.
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UndisclosedUndisclosed2 - 9Buenos Aires, Argentina
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Clappbox is a web development firm launched in 2012. The company offers Web Development and Digital Strategy.
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UndisclosedUndisclosed2 - 9North Melbourne, Australia
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Net Solutions Pty Ltd is a custom software development firm. The firm is located in North Melbourne, Australia. Their team focuses on Custom Software Development and Web Development.
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UndisclosedUndisclosed2 - 9Preston, Australia
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ISmarts Web Development is a web design company. Founded in 2011, the team focuses on Web Design and Web Development.
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UndisclosedUndisclosed2 - 9Cardiff, Australia
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Sublime Web Design is a web design company. They are headquartered in Cardiff, Australia and have small team of experts. Their services include Web Design and Search Engine Optimization.
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UndisclosedUndisclosed2 - 9Washington, DC
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Xykon is a Cybersecurity company. In Washington, District of Columbia, the company was founded in 2007. Their team focuses on Cybersecurity and Web Development.
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UndisclosedUndisclosed2 - 9Gloucester , England
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Small web design agency PushCode, Inc., is in Gloucester , England. Their services include Web Design and Content Marketing.
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UndisclosedUndisclosed2 - 9Houston, TX
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Spindletop Digital LLC is a small big data company. Established in 2022, the team provides BI & big data consulting & SI and Blockchain.
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UndisclosedUndisclosed2 - 9Las Vegas, NV
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WebKitty Creative Services LLC. Is a web design company. Established in 2010, the company is in Las Vegas, Nevada. Their services include Web Design and Web Development.
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UndisclosedUndisclosed2 - 9Mechanicsburg, PA
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Round4, LLC is a web design agency. They provide Web Design and Web Development and are located in Mechanicsburg, Pennsylvania.
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Undisclosed< $25 / hr2 - 9New Delhi, India
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CUBICALSEO is a SEO company. Their team is in New Delhi, India. The firm specializes in Search Engine Optimization and Social Media Marketing.
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UndisclosedUndisclosed50 - 249Kolkata, India
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Digital Edge 360 is a pay per click company. The midsize Kolkata, India-based team offers Pay Per Click and Graphic Design. The firm was founded in 2021.
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$5,000+$25 - $49 / hr50 - 249Linda-a-Velha, Portugal
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2TAPP is an AR/VR development company in Linda-a-Velha, Portugal. They specialize in AR/VR development and Web Development.
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$5,000+< $25 / hr10 - 49Nairobi, Kenya
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Software development firm Fineteklabs is headquartered in Nairobi, Kenya. The team offers Custom Software Development and Web Development.
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$5,000+$100 - $149 / hr10 - 49Dehradun, India
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SocioPedia Digital Marketing Agency is an Advertising company. Based in Dehradun, India, their team offers Advertising and Search Engine Optimization.
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$1,000+< $25 / hr2 - 9
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See all 1 projectsCodbos is India’s leading mobile app and web app development company. Codbos provides services like web app & website development, mobile app development, graphic designing, digital marketing,
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Undisclosed< $25 / hr2 - 9Makati, Philippines
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See all 1 projectsLet ClickGrit handle the online buzz, you handle your business growth. Ignite your online potential with SEO, Web dev, PPC, SMM, Content marketing, and Online marketing training.
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Undisclosed$25 - $49 / hr2 - 9Salmiya, Kuwait
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See all 1 projectsD'Vista Agency - Digital Marketing & Media specializes in digital marketing strategy and management, including social media account handling. Overall feedback indicates that while deliverables were satisfactory, they were not always completed at all stages. Clients appreciated their digital savviness but suggested improvements in providing more detailed and commercially aware strategies.
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$1,000+$25 - $49 / hr2 - 9Alakahia, Nigeria
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Devand Agency is a web development firm founded in 2019. The team provides Web Development and Branding.
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$1,000+$25 - $49 / hr2 - 9
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Elicon Digital is an IT strategy consulting company. They are based in Nicosia, Cyprus and have small team of experts. Their services include IT strategy consulting and BI & big data consulting &
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$1,000+$25 - $49 / hr2 - 9City of Naga, Philippines
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Established in 2021, Web Design Cebu, a small Email Marketing company, is based in City of Naga, Philippines. Their team offers Email Marketing and Search Engine Optimization.
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$5,000+$100 - $149 / hr2 - 9
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Launched in 2021, Onpolar is a small Tallinn, Estonia-based e-commerce development firm. Their team offers E-Commerce Development and Custom Software Development.
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$1,000+< $25 / hr2 - 9Mumbai, India
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Founded in 2019, Rebase IT Labs is a small Mumbai, India-based IT strategy consulting company. Their services include IT strategy consulting and cloud consulting & SI.
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$1,000+< $25 / hr2 - 9
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Mazecode is an UX design agency founded in 2023. Their services include UX/UI Design and Mobile App Development.
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$5,000+$25 - $49 / hr2 - 9Bolton, England
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Based in Bolton, England and Karachi, Pakistan, Cresol360 is a branding company. They specialize in Branding and Social Media Marketing.
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$1,000+$25 - $49 / hr2 - 9
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Marketing Strategy company Eraloop Ltd is in London, England. Launched in 2023, the team specializes in Marketing Strategy and Digital Strategy.
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Undisclosed$25 - $49 / hr2 - 9
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IT Services Company is a small IT strategy consulting company in Kozhikode, India and Dubai, United Arab Emirates. The team offers IT strategy consulting and Cybersecurity.
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$1,000+$25 - $49 / hr2 - 9
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DOF Technologies is an UX design agency established in 2025. Their team specializes in UX/UI Design and IT strategy consulting.
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UndisclosedUndisclosed2 - 9Manama, Bahrain
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See all 1 projectsWe do design, develop & deploy.DeLemon Studio is a digital design & development agency having an experience of more than 9 years in digital industry. We do digital design, brand design,
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$5,000+$50 - $99 / hr10 - 49Dallas, TX
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Enova is a branding company. Their small team of employees is headquartered in Dallas, Texas. Their team provides Branding and Web Design.
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Undisclosed< $25 / hr50 - 249Noida, India
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See all 1 projectsGolden Beacon Media Pvt. Ltd. is a leading firm deals in Web Development, Marketing Communications, Brand Management and nurtured by innovative, collaborative, and diverse talents.
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$10,000+$100 - $149 / hrFreelancerLondon, England
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Episty is an UX design company. The firm is in London, England. Their services include UX/UI Design and Mobile App Development.
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$1,000+$25 - $49 / hrFreelancerBeograd, Serbia
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Small custom software development company Marsmedia, is headquartered in Beograd, Serbia. The team specializes in Custom Software Development and UX/UI Design.
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$1,000+$25 - $49 / hr50 - 249Monterrey, Mexico
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Daltum Systems is an IT staff augmentation company. The Monterrey, Mexico-based company offers IT staff augmentation and Custom Software Development.
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$5,000+< $25 / hr50 - 249Wilmington, DE
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Ranolia Ventures LLC, a web development company, is in Wilmington, Delaware and Gurugram, India. They offer Web Development and Mobile App Development.
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$1,000+$100 - $149 / hrFreelancerMilano, Italy
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SEOAlk is a SEO agency. The team is based in Milano, Italy, and their services include Search Engine Optimization and Web Design.
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$5,000+$25 - $49 / hr50 - 249Brampton, Canada
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Intelloger Technologies is an ERP consulting and SI company. They were launched in 2012 and offer ERP consulting and SI and IT managed services.
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$1,000+$50 - $99 / hrFreelancerKoudum, Netherlands
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RobertPeterson.nl is a Koudum, Netherlands-based IT managed services company. They offer IT managed services and Search Engine Optimization.
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$1,000+$150 - $199 / hrFreelancerSt. Petersburg, FL
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In Color is a graphic design agency based in St. Petersburg, Florida. Established in 1989, the team provides Graphic Design and Print Design.
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$5,000+$25 - $49 / hr10 - 49
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Sparkix Technologies, a small artificial intelligence company, is based in Gujranwala, Pakistan. Their services include Artificial Intelligence and Generative AI.
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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
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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
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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
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39.3/40.020/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
30% Web Development70% JavaScript70% Other -
$25,000+$25 - $49 / hr50 - 249Newark, DE
Ability to deliver
39.8/40.019.8/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
40% Web Development35% JavaScript60% Other -
$5,000+$50 - $99 / hr50 - 249Chicago, IL
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
35% Web Development40% JavaScript65% Other -
$10,000+$25 - $49 / hr250 - 999San Francisco, CA
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
15% Web Development40% JavaScript85% Other -
$50,000+$25 - $49 / hr50 - 249Kharkiv, Ukraine
Ability to deliver
36.8/40.017/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
45% Web Development50% JavaScript55% Other -
$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
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36.8/40.017.2/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$10,000+$25 - $49 / hr250 - 999New York, NY
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
28% Web Development15% JavaScript72% Other -
$10,000+$50 - $99 / hr10 - 49Warszawa, Poland
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.