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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$5,000+$50 - $99 / hr2 - 9Wien, Austria
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See all 1 projectsClique specializes in Web Design and Web Development, offering services such as brand design, webshop development, and marketing strategies. The reviews highlight Clique's personal and professional approach, delivering creative and tailored solutions. Clients appreciate their effective project management and timely delivery, alongside their ability to meet unique client needs with exceptional creativity.
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$5,000+$25 - $49 / hr10 - 49Singapore, Singapore
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See all 2 projectsNamtech Solutions Pte Ltd. specializes in Website Development, Web Design, and providing comprehensive web solutions. Reviews highlight their exemplary project management, responsiveness, and innovative design capabilities, leading to significant improvements in site performance, user engagement, and conversion rates. Clients particularly appreciate their attention to detail and ability to meet specific project needs, though some suggest enhancing communication regarding project milestones.
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$5,000+$25 - $49 / hr10 - 49Cali, Colombia
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IT staff augmentation company Kerigma Software was established in 2022. The firm provides IT staff augmentation and Web Development, and is small.
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$1,000+$25 - $49 / hr2 - 9
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Founded in 2025, Devacia is a web development firm. The team specializes in Web Development and Web Design.
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$5,000+$25 - $49 / hr10 - 49Kraków, Poland
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Dev and Deliver is a small website development company located in Kraków, Poland. Their services include Web Development and Mobile App Development.
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$1,000+$25 - $49 / hr50 - 249Kraków, Poland
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Flex Group is a web development firm located in Kraków, Poland. They focus on Web Development and Application Testing.
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$10,000+$25 - $49 / hr50 - 249Palo Alto, CA
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Datamart is a midsize Palo Alto, California-based custom software development company. Their services include Custom Software Development and Web Development.
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$1,000+$100 - $149 / hr50 - 249
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Gosotek Technology Private Limited is a website development firm. The team focuses on Web Development and Social Media Marketing, and the company is located in Jaipur, India.
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$5,000+$100 - $149 / hr50 - 249North Adelaide, Australia
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Adelaide Web Designer, a web design company, was established in 2013. The firm focuses on Web Design and Web Development, and is midsize.
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$5,000+$50 - $99 / hr50 - 249
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Webpoint Solutions, LLC is an UX design company. Located in Atlanta, Georgia, their midsize team focuses on UX/UI Design and IT staff augmentation. The company was founded in 2019.
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$10,000+$25 - $49 / hr10 - 49Vinnytsia, Ukraine
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Established in 2015, Arsmoon is a small Vinnytsia, Ukraine-based web development firm. Their services include Web Development and UX/UI Design.
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$5,000+< $25 / hr10 - 49Howrah, India
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Onclave Systems is a custom software development company. Established in 2017, the team provides Custom Software Development and Web Development.
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$10,000+$200 - $300 / hr10 - 49Bishkek, Kyrgyzstan
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Spalmalo is an IT managed services company. Established in 2013, the team offers IT managed services and Web Development. The firm is headquartered in Bishkek, Kyrgyzstan.
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$1,000+$50 - $99 / hr2 - 9București, Romania
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Dabex Agency is a web development firm. The București, Romania-based firm was established in 2013. Their team offers Web Development and Web Design.
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$1,000+Undisclosed2 - 9Galatsi, Greece
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Softly, a small e-commerce development firm, is based in Galatsi, Greece. The team offers E-Commerce Development and Social Media Marketing.
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$1,000+< $25 / hr2 - 9Rajkot, India
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Founded in 2010, Hakimi Solutions, a small web development firm, is located in Rajkot, India. Their services include Web Development and E-Commerce Development.
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$1,000+Undisclosed10 - 49Chiyoda City, Japan
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VITALY.inc is a website development company. They are located in Chiyoda City, Japan. Their team provides Web Development.
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$5,000+$50 - $99 / hr2 - 9Evans, GA
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Small mobile application development company and website development company Mobile First, is in Evans, Georgia. The team provides Mobile App Development and Web Development.
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$10,000+$50 - $99 / hr10 - 49Istanbul, Türkiye
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HOSTAMEDIA is a website development company. Founded in 1996, the company provides Web Development and E-Commerce Development.
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$10,000+$25 - $49 / hr10 - 49Kraków, Poland
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Nivalit is a Kraków, Poland-based software development company. The team provides Custom Software Development and Artificial Intelligence.
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$25,000+$200 - $300 / hr10 - 49Wels, Austria
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Headquartered in Wels, Austria and București, Romania, API Studios is a branding firm. Their services include Branding and Web Design.
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$1,000+$50 - $99 / hrFreelancerRóżyny, Poland
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Web development firm code/ - lethally effective business websites focuses on Web Development and Web Design. They are based in Różyny, Poland.
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$10,000+$25 - $49 / hr10 - 49Yerevan, Armenia
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See all 1 projectsAparg specializes in software development, providing services such as designing and maintaining cutting-edge e-commerce web applications. Reviews highlight Aparg's professionalism, technical expertise, and seamless project management, leading to enhanced user engagement and positive customer feedback. Clients appreciate Aparg's clear communication, timely delivery, and unwavering commitment to excellence.
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$5,000+$25 - $49 / hr10 - 49Cluj-Napoca, Romania
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Logiq Design is an e-commerce development company established in 2012. Their team provides E-Commerce Development and Web Development.
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UndisclosedUndisclosed10 - 49
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See all 1 projectsModernTech specializes in Website Development and Web Programming, offering tailored solutions for various online development needs. Client reviews highlight consistent project completion and effective communication, with an emphasis on patience and understanding technical details. ModernTech is noted for delivering satisfactory results, although slight improvements in meeting expected timelines could enhance their service.
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$10,000+$50 - $99 / hr10 - 49Jakarta, Indonesia
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Cloudxier is a small custom software development firm launched in 2018. Their team offers Custom Software Development and Mobile App Development.
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$1,000+$25 - $49 / hr50 - 249Noida, India
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Launched in 2021, UBERApps Technologies is an app development company. The team specializes in Mobile App Development and IT strategy consulting.
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$5,000+$25 - $49 / hr10 - 49Lages, Brazil
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Based in Lages, Brazil, UEEK is a website development firm. They focus on Web Development and UX/UI Design and were established in 2012.
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$1,000+$25 - $49 / hr2 - 9Sabaneta, Colombia
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Launched in 2023, Nimbel is a web design agency. The team focuses on Web Design and Web Development.
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$1,000+$50 - $99 / hrFreelancerLos Angeles, CA
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See all 1 projectsLuisSebastian.NET provides logo design and digital content creation services, specializing in creating aesthetically aligned branding materials. Reviews highlight the company's responsiveness, strong communication, and ability to deliver high-quality results despite unforeseen delays. Clients appreciate the collaborative approach and attention to detail, which ensures their expectations are met satisfactorily.
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$10,000+$50 - $99 / hr2 - 9Brooklyn, NY
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Intellion Inc. Is a web design company. The Brooklyn, New York-based firm was founded in 2019. Their services include Web Design and UX/UI Design.
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$1,000+$25 - $49 / hr10 - 49
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See all 1 projectsOrange Dice Solutions offers comprehensive IT-related solutions, including SEO marketing and advertising services. The overall feedback from their clients highlights their success in project execution and effective workflow management. Clients are particularly impressed with the company's adherence to deadlines and time-bound completion of tasks.
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Undisclosed< $25 / hr10 - 49Lahore, Pakistan
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SoftMind Solutions is a web development company. Founded in 2023, the firm is located in Lahore, Pakistan. Their team provides Web Development and Mobile App Development.
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$10,000+$25 - $49 / hr50 - 249Yerevan, Armenia
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Launched in 2019, amBrain is a midsize software development firm. Their services include Custom Software Development and Web Development.
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$1,000+$50 - $99 / hr50 - 249
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Established in 2016, ANCKR is a midsize website development firm. Their services include Web Development and Mobile App Development.
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$5,000+< $25 / hr50 - 249Ahmedabad, India
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Website development company Dvij Infotech LLP specializes in Web Development and Mobile App Development. They were founded in 2021.
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$10,000+$50 - $99 / hr10 - 49New York, NY
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Established in 2015, Createry, a small web development company, is based in New York, New York. Their team provides Web Development and Mobile App Development.
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Undisclosed< $25 / hr10 - 49Rajkot, India
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See all 2 projectsDadword IT – Leading Web & SaaS Development CompanyDadword IT is a full-cycle web development and SaaS product agency helping startups and enterprises build scalable, high-performance digital
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$1,000+$25 - $49 / hr10 - 49Hamar, Norway
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Caddiesoft Development, a website development firm, is based in Hamar, Norway and Дніпро́, Ukraine. The team offers Web Development and UX/UI Design.
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$5,000+$100 - $149 / hr10 - 49Amsterdam, Netherlands
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Studio Vi is a website development company. The team is in Amsterdam, Netherlands, and their services include Web Development and Web Design.
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$1,000+$100 - $149 / hr2 - 9Frisco, TX
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CMC Marketing Company is a web development company. Their small team of employees is located in Frisco, Texas. Their team focuses on Web Development and Web Design.
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$1,000+< $25 / hr10 - 49Kochi, India
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See all 1 projectsInbeesight Technologies specializes in Website Development and Web Design, creating user-friendly and attractively designed e-commerce sites. Reviews highlight their effective project management, high-quality design, and dedication to customer satisfaction. Clients appreciate their detailed planning, timely delivery, and the professional training provided for managing website updates.
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$25,000+$50 - $99 / hr10 - 49Santa Monica, CA
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Based in Santa Monica, California and Sahibzada Ajit Singh Nagar, India, Addval Solutions is a small website development company. Their services include Web Development and Mobile App Development.
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$50,000+$50 - $99 / hr50 - 249Selm, Germany
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Launched in 2019, ScorpionTC, a midsize web development firm, is in Selm, Germany. Their team offers Web Development and Mobile App Development.
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$5,000+$25 - $49 / hr10 - 49Multan, Pakistan
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See all 1 projectsDhump Waterfitz Solutions specializes in creating sophisticated, user-friendly application interfaces and inventory systems. The reviews reflect satisfaction with their timely delivery, strong project management, and alignment with client values. Overall, clients are impressed by their knowledge and understanding, contributing to a successful collaboration with no noted areas for improvement.
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$1,000+$25 - $49 / hr2 - 9Chennai, India
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Mobile application development company Smazee was founded in 2017. The agency provides Mobile App Development and UX/UI Design, and is small.
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Undisclosed$25 - $49 / hr50 - 249Bangkok, Thailand
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Neversitup Software is a custom software development company. They are headquartered in Bangkok, Thailand. Their team offers Custom Software Development and Mobile App Development.
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$5,000+$25 - $49 / hr10 - 49Gurugram, India
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OG Web Solutions Pvt. Ltd. Is a web development firm. Their small team is in Gurugram, India and offers Web Development and E-Commerce Development. The firm was launched in 2015.
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$5,000+$50 - $99 / hr2 - 9Barcelona, Spain
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Founded in 2017, Origen Studio is a web development company. The team focuses on Web Development and Custom Software Development.
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$5,000+< $25 / hr10 - 49Surat, India
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CODEBRAIN INFOTECH is a web design company. They focus on Web Design and Web Development and were founded in 2019.
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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
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
45% Web Development75% JavaScript55% Other -
$10,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39/40.019.2/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
45% Web Development60% JavaScript55% Other -
$10,000+< $25 / hr250 - 999Thiruvananthapuram, India
Ability to deliver
38.1/40.018.8/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
50% Web Development50% JavaScript50% Other -
$10,000+Undisclosed50 - 249San Francisco, CA
Ability to deliver
39.1/40.019.8/20 Reviews9.6/10 Clients & Experience9.7/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$10,000+$50 - $99 / hr50 - 249Montevideo, Uruguay
Ability to deliver
39.5/40.020/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
50% Web Development35% JavaScript50% Other -
$5,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
36.9/40.018/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$50,000+$100 - $149 / hr1,000 - 9,999San Francisco, CA
Ability to deliver
39.5/40.019.6/20 Reviews9.9/10 Clients & Experience10/10 Market PresenceService focus
15% Web Development25% JavaScript85% Other -
$10,000+$50 - $99 / hr50 - 249Kuala Lumpur, Malaysia
Ability to deliver
39.3/40.020/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
30% Web Development70% JavaScript70% Other -
$25,000+$25 - $49 / hr50 - 249Newark, DE
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 -
$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
Ability to deliver
35.9/40.016.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
40% Web Development35% JavaScript60% 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 -
$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 -
$50,000+$50 - $99 / hr1,000 - 9,999L'viv, Ukraine
Ability to deliver
38.4/40.018.6/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
21% Web Development18% JavaScript79% 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 / hr1,000 - 9,999Plano, TX
Ability to deliver
36.8/40.017.2/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$10,000+$25 - $49 / hr250 - 999New York, NY
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
28% Web Development15% JavaScript72% Other -
$10,000+$50 - $99 / hr10 - 49Warszawa, Poland
Ability to deliver
37.5/40.018.4/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
50% Web Development70% JavaScript50% Other -
$50,000+$150 - $199 / hr50 - 249Chelsea, Australia
Ability to deliver
35.9/40.016.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$1,000+< $25 / hr1,000 - 9,999London, England
Ability to deliver
36.5/40.019.2/20 Reviews9.3/10 Clients & Experience8/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$50,000+$150 - $199 / hr250 - 999Irvine, CA
Ability to deliver
36.2/40.016.2/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
30% Web Development30% JavaScript70% Other -
$25,000+$100 - $149 / hr50 - 249Cypress, 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.