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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$1,000+$25 - $49 / hr2 - 9
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Web Edge Digital is a Miami, Florida-based social media marketing company. They specialize in Social Media Marketing and Search Engine Optimization.
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$1,000+$50 - $99 / hr2 - 9
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Website development company Iokoda Technologies is headquartered in Watford, England. Their services include Web Development and Mobile App Development.
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$1,000+$50 - $99 / hr2 - 9Milton, GA
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NeuPrana Design is a web design company. Their small team is based in Milton, Georgia and provides Web Design and UX/UI Design. The company was established in 2024.
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$1,000+$25 - $49 / hr2 - 9
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Established in 2024, Popaya Technologies LLP is a mobile application development company. The company focuses on Mobile App Development and API Development.
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$1,000+$50 - $99 / hr2 - 9Łódź, Poland
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Web development firm Placeholder© is in and. Their services include Web Development and Web Design.
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$1,000+$25 - $49 / hr2 - 9
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Millennial Projects, a website development firm, was founded in 2022. They focuses on Web Development and Custom Software Development.
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$1,000+$25 - $49 / hr2 - 9
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Established in 2024, Edelweiss Agency is a website development company. The team focuses on Web Development and Branding.
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$5,000+$50 - $99 / hr2 - 9Zagreb, Croatia
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Established in 2021, Marvin Agency is an UX design company. The firm focuses on UX/UI Design and Web Development, and is small.
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$1,000+< $25 / hr2 - 9
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Omer Odabas, a custom software development firm, was founded in 2023. The agency specializes in Custom Software Development and Web Development.
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$1,000+$50 - $99 / hr2 - 9
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Launched in 2016, Webraiser, a small web design agency, is in Warszawa, Poland. Their team specializes in Web Design and UX/UI Design.
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$1,000+$25 - $49 / hr2 - 9
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Inovaara Technologies, a Low/No Code Development company, was founded in 2025. They provides Low/No Code Development and Web Development.
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$5,000+$25 - $49 / hr2 - 9São Paulo, Brazil
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Skyward Technologies, a software development firm, specialize in Custom Software Development and Web Development. They were founded in 2024.
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$1,000+$150 - $199 / hr2 - 9
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Spectrum IT Consulting, a website development company, was founded in 2024. They offers Web Development and Custom Software Development.
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$1,000+$25 - $49 / hr2 - 9Breña, Peru
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APU Core is a web development company. They are located in Breña, Peru. Their team provides Web Development and Custom Software Development.
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$1,000+< $25 / hr2 - 9
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Established in 2021, WPPro Studio is a web design company and web development company. The company focuses on Web Design and Web Development.
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$1,000+< $25 / hr2 - 9Faisalabad, Pakistan
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LogicNosh is a website development company founded in 2020. Located in Faisalabad, Pakistan, the team focuses on Web Development and Custom Software Development.
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UndisclosedUndisclosed2 - 9
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Cyntex Solutions is a web development firm and web design company. The team focuses on Web Development and Web Design and is based in Jeddah, Saudi Arabia.
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$1,000+< $25 / hr2 - 9
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Inovashi is a Kurseong, India-based Digital Strategy company. Their services include Digital Strategy and Search Engine Optimization.
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$1,000+$25 - $49 / hr2 - 9
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Established in 2024, Pixea is a Digital Strategy company. Their team focuses on Digital Strategy and Search Engine Optimization.
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$1,000+$25 - $49 / hr2 - 9Torreón, Mexico
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Established in 2022, Nomadak is a custom software development firm. The team offers Custom Software Development and Web Development and is located in Torreón, Mexico.
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$5,000+$25 - $49 / hr2 - 9
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Relianext, a SEO services firm, is in Islamabad, Pakistan. They provide Search Engine Optimization and Web Design.
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$1,000+< $25 / hr2 - 9
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Bytehouse is a small Prishtina, Kosovo-based software development company. Their services include Custom Software Development and Web Development.
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DevNova is a Digital Strategy company. They specialize in Digital Strategy and Web Design and were founded in 2025.
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$1,000+$25 - $49 / hr2 - 9
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100Crowns is a Kishoreganj, Bangladesh-based web design agency. The team offers Web Design and UX/UI Design.
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$5,000+< $25 / hr2 - 9
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Small web development company hyperyond Studio, is in Nanjing, China. The team offers Web Development and Custom Software Development.
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$1,000+$25 - $49 / hr2 - 9Sylhet, Bangladesh
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MufaSys is a web development company. They are headquartered in Sylhet, Bangladesh, and their services include Web Development and Cybersecurity.
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$5,000+$25 - $49 / hr10 - 49Kyiv, Ukraine
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Skillkeepers is an artificial intelligence development company. The firm is headquartered in Kyiv, Ukraine. Their services include Artificial Intelligence and UX/UI Design.
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$5,000+$25 - $49 / hr2 - 9Rosario, Argentina
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See all 3 projectsEasy Software offers comprehensive solutions for managing e-commerce channels, automating production processes, and providing integrated cloud services. The feedback consistently highlights their commitment to client needs, effective project management, and the ability to deliver tailored technological solutions promptly. Clients are particularly impressed with Easy Software's support, communication, and the significant improvements in operational efficiency and error reduction.
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$5,000+$50 - $99 / hr10 - 49Hüttenberg, Germany
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Application development company reflect.media GmbH was founded in 2008. The agency specializes in Mobile App Development and Web Development, and is small.
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$10,000+$100 - $149 / hr2 - 9Jacksonville, FL
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Christopher Queen Consulting is an e-commerce development firm. Founded in 2017, the firm is headquartered in Jacksonville, Florida. Their team provides E-Commerce Development and Web Design.
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$5,000+$25 - $49 / hr2 - 9Bengaluru, India
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DevOpSpace LLP, a cloud consulting & SI company, is located in Bengaluru, India. They offer cloud consulting & SI and Mobile App Development and were established in 2018.
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$5,000+< $25 / hr10 - 49New Delhi, India
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ValidCode Development is a small New Delhi, India-based mobile application development firm. The team focuses on Mobile App Development and Web Development.
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$1,000+$50 - $99 / hr10 - 49Naples, FL
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Wedo Digital is a SEO company. The firm is headquartered in Naples, Florida and Hyderabad, Pakistan. Their team specializes in Search Engine Optimization and Web Development.
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$1,000+< $25 / hr10 - 49Talagang, Pakistan
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Maqbool Solutions is a web development firm. Founded in 2017, the company is in Talagang, Pakistan. Their services include Web Development and Social Media Marketing.
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$1,000+$50 - $99 / hr2 - 9
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Hertfordshire Web Design is a web design company launched in 2018. The firm specializes in Web Design and Branding.
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$10,000+< $25 / hr2 - 9Arequipa, Peru
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Paulonia is an application development company. They were founded in 2020 and focus on Mobile App Development and UX/UI Design.
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$1,000+$25 - $49 / hrFreelancer
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Sharia.Design is a Sokhumi, Georgia-based UX agency. Their services include UX/UI Design and Web Development.
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$1,000+$25 - $49 / hr10 - 49
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Core Codes, an application development firm, focuses on Mobile App Development and Web Design. The firm is based in Karachi, Pakistan.
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Undisclosed< $25 / hr10 - 49
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In Lahore, Pakistan, Flicken is a small artificial intelligence development company. The team focuses on Artificial Intelligence and UX/UI Design.
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$10,000+$25 - $49 / hr250 - 999Abu Dhabi, United Arab Emirates
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See all 61 projectsCSSChopper is a web development company specializing in Website Development, Web Programming, and Custom Website Development. Reviews indicate a high level of satisfaction, with 100% positive feedback highlighting their flexibility, project management skills, and customer service. Approximately 50% of reviewers mentioned their impressive project management and timely delivery, while 40% praised their user-friendly designs and development skills.
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$10,000+$25 - $49 / hr10 - 49
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BiggWorks, an IT staff augmentation company, was launched in 2020. They specializes in IT staff augmentation and Web Development.
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Undisclosed< $25 / hr10 - 49Sahibzada Ajit Singh Nagar, India
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J&T WEB SOLUTIONS PRIVATE LIMITED is a web development company launched in 2012. Their team focuses on Web Development and Mobile App Development.
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$10,000+$100 - $149 / hr2 - 9Leeds, England
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Click Agency is a small mobile app development company headquartered in Leeds, England. The team focuses on Mobile App Development and E-Commerce Development.
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$5,000+$200 - $300 / hr10 - 49Toronto, Canada
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Established in 2013, Gazizoff Digital is a small Advertising company. Their services include Advertising and Branding.
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$5,000+$25 - $49 / hr10 - 49Houston, TX
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Snexus LLC is a website development company. The team provides Web Development and Mobile App Development, and the firm is headquartered in Houston, Texas.
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$75,000+$100 - $149 / hr2 - 9
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Guid.New is a Raaba-Grambach, Austria-based custom software development firm. They focus on Custom Software Development and Web Development.
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$1,000+< $25 / hr2 - 9Matteson, IL
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See all 1 projectsWebiside LLC specializes in Website Development and Web Programming, providing services such as updating and adjusting website plugins and functions. Clients consistently praise the company for delivering results on time, maintaining excellent communication, and offering competitive service rates. Webiside LLC stands out for its professionalism and effective project management.
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$1,000+< $25 / hr2 - 9İstanbul, Türkiye
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Zemedya Yazılım is an e-commerce development company launched in 2007. The agency offers E-Commerce Development and Custom Software Development.
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$25,000+$25 - $49 / hr10 - 49Pune, India
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COCOTECHOES is a website development firm. Their team is in Pune, India. The company specializes in Web Development and Mobile App Development.
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$10,000+$25 - $49 / hr10 - 49
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Custom software development company Guava Trees Softech Pvt. Ltd. Was established in 2021. The small team specializes in Custom Software Development and Web Development.
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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
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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
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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 -
$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 -
$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
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39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Web Development33% JavaScript90% Other -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
36.4/40.016.8/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
65% Web Development20% JavaScript35% Other -
$50,000+$150 - $199 / hr50 - 249New York, NY
Ability to deliver
38.2/40.018.4/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
100% Web Development30% JavaScript -
$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
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37.5/40.018.4/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
50% Web Development70% JavaScript50% Other -
$50,000+$150 - $199 / hr50 - 249Chelsea, Australia
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35.9/40.016.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$1,000+< $25 / hr1,000 - 9,999London, England
Ability to deliver
36.5/40.019.2/20 Reviews9.3/10 Clients & Experience8/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$50,000+$150 - $199 / hr250 - 999Irvine, CA
Ability to deliver
36.2/40.016.2/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
30% Web Development30% JavaScript70% Other -
$25,000+$100 - $149 / hr50 - 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.