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 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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$25,000+Undisclosed2 - 9Ho Chi Minh City, Vietnam
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Alpha Experience is a custom software development firm. The team provides Custom Software Development and Web Development, and the firm is located in Ho Chi Minh City, Vietnam.
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$1,000+$50 - $99 / hr2 - 9Glasgow, Scotland
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Established in 2021, Wavey is a web development company. The small team specializes in Web Development and E-Commerce Development.
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$10,000+$25 - $49 / hr2 - 9Glen Mills, PA
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Elarbridge is a software development firm located in Glen Mills, Pennsylvania. Launched in 2021, the team provides Custom Software Development and Web Development.
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$5,000+$150 - $199 / hr2 - 9Abuja, Nigeria
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Custom software development firm Itmed was founded in 2018. The team focuses on Custom Software Development and Web Development.
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$5,000+$25 - $49 / hr2 - 9Karachi, Pakistan
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AppTechTics is a software development company. Their team is based in Karachi, Pakistan and specializes in Custom Software Development and Web Development.
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$10,000+$25 - $49 / hr2 - 9Bucharest, Romania
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Chapo Technologies is a small website development company headquartered in Bucharest, Romania. Their services include Web Development and Mobile App Development.
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$1,000+$50 - $99 / hr2 - 9Budapest, Hungary
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AiiD Digital is a Budapest, Hungary-based web design company. Established in 2011, the team focuses on Web Design and UX/UI Design.
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$5,000+$50 - $99 / hr2 - 9Katowice, Poland
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Craftersy is a custom software development firm established in 2022. Their team offers Custom Software Development and Web Development.
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$1,000+$50 - $99 / hr2 - 9Lowestoft, England
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Small e-commerce development firm Juiced Media, is in Lowestoft, England. Their services include E-Commerce Development and Social Media Marketing.
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UndisclosedUndisclosed2 - 9Bilimora, India
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Skinfosky is a web development company. The team is headquartered in Bilimora, India, and their services include Web Development and Mobile App Development.
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$1,000+$25 - $49 / hr2 - 9
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Nox Programming , an IT staff augmentation company, was established in 2021. They offers IT staff augmentation and Custom Software Development.
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$25,000+$50 - $99 / hr2 - 9
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In , Azerdon Ltd. Is a web development firm. Their services include Web Development and Custom Software Development.
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$1,000+< $25 / hr2 - 9Thohoyandou, South Africa
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Violond Cloud is a small web design agency located in Thohoyandou, South Africa. Their services include Web Design and Web Development.
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$1,000+$25 - $49 / hr2 - 9
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Cybeasy, a custom software development company, is in Nasr City, Egypt. Launched in 2020, the team offers Custom Software Development and Web Development.
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UndisclosedUndisclosed2 - 9Mansonville, Canada
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Webgraph Worldwide CA, a SEO services firm, was launched in 2017. The agency focuses on Search Engine Optimization and Other Digital Marketing.
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$1,000+< $25 / hr2 - 9
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Website development firm Cladsoft was founded in 2020. Headquartered in Gabtoli, Bangladesh, the team offers Web Development and E-Commerce Development.
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$25,000+$50 - $99 / hr2 - 9
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Seagull Software Development, a web development firm, was founded in 2022. Located in Bishkek, Kyrgyzstan, the team focuses on Web Development and Custom Software Development.
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$1,000+< $25 / hr2 - 9
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Brandroad Inc. Is a branding company. In Nairobi, Kenya, the agency was established in 2022. Their services include Branding and Graphic Design.
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$1,000+$100 - $149 / hr2 - 9Tétouan, Morocco
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UX design agency Prozy Digital Solutions was established in 2021. The team offers UX/UI Design and Web Development.
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$1,000+< $25 / hr2 - 9South Tangerang, Indonesia
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Conkara is a social media marketing agency founded in 2020. The company focuses on Social Media Marketing and Conversion Optimization, and is small.
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$1,000+$25 - $49 / hr2 - 9Lalor, Australia
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Rank Higher Experts, a web design company, was established in 2023. The team specializes in Web Design and Web Development.
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$1,000+$50 - $99 / hr2 - 9Dnipro, Ukraine
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ASF Agency is a web development firm established in 2023. The team offers Web Development and Web Design and is in Dnipro, Ukraine.
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$1,000+$25 - $49 / hr2 - 9Novi Sad, Serbia
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Established in 2020, Midenas is a website development firm. The company specializes in Web Development and Custom Software Development, and is small.
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$5,000+$50 - $99 / hr2 - 9Abuja, Nigeria
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Digital Strategy company Promilux Technologies was founded in 2021. The agency provides Digital Strategy and Web Development, and is small.
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$10,000+$50 - $99 / hr2 - 9
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Adio is an UX agency launched in 2023. The small team provides UX/UI Design and Custom Software Development.
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$5,000+$100 - $149 / hr2 - 9Zürich, Switzerland
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LoboCode is a custom software development firm. Founded in 2019, their team provides Custom Software Development and Web Development.
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Undisclosed< $25 / hr2 - 9Kampala, Uganda
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Founded in 2023, Aptus Agency is a small software development firm. Their team provides Custom Software Development and Web Development.
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$1,000+$100 - $149 / hr2 - 9Santa Monica, CA
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AZRA is a Digital Strategy company. Their team is located in Santa Monica, California and specializes in Digital Strategy and UX/UI Design.
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$1,000+$25 - $49 / hr2 - 9
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Paragon Logics is a mobile application development company founded in 2020. Their services include Mobile App Development and Web Development.
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$10,000+$50 - $99 / hr2 - 9Katowice, Poland
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Based in Katowice, Poland and Katowice, Poland, Pragmative is a web design agency. Founded in 2022, the team offers Web Design and UX/UI Design.
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$1,000+$25 - $49 / hr2 - 9Kharkiv, Ukraine
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TrichiCode is a website development company launched in 2023. Their services include Web Development and Mobile App Development.
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$10,000+$25 - $49 / hr2 - 9
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DevAspect, a small custom software development company, is located in Sofia, Bulgaria. Their services include Custom Software Development and Web Development.
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$1,000+$50 - $99 / hr2 - 9Naas, Ireland
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GBA Solutions is a Naas, Ireland-based custom software development firm. They specialize in Custom Software Development and Web Development and were established in 2018.
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$1,000+< $25 / hr2 - 9
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Mobile app development firm Whizchain Pvt Ltd was established in 2021. The small team offers Mobile App Development and Custom Software Development.
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$5,000+$150 - $199 / hr2 - 9
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Wunderbloom is a website development company. They were launched in 2022 and offer Web Development and Custom Software Development.
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$1,000+$25 - $49 / hr2 - 9
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Kefitup is a software development company in मुंबई, India. Their services include Custom Software Development and Web Development.
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$1,000+$50 - $99 / hr2 - 9
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SEO services firm ADwave Studios is in Akora Khattak, Pakistan. Their services include Search Engine Optimization and Web Development.
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$10,000+$150 - $199 / hr2 - 9
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SEO Ranking Max, a Digital Strategy company, was launched in 2017. The team provides Digital Strategy and Search Engine Optimization.
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$10,000+$100 - $149 / hr2 - 9Coomera, Australia
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Custom software development company Mosaik was founded in 2023. The firm provides Custom Software Development and Web Development.
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$5,000+$50 - $99 / hr2 - 9West Palm Beach, FL
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SEOVisible is a SEO agency. Headquartered in West Palm Beach, Florida, their team provides Search Engine Optimization and Web Design.
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$5,000+$50 - $99 / hr2 - 9Aci Castello, Italy
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Alpaca Studio is a web design company established in 2023. The team specializes in Web Design and Custom Software Development.
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$1,000+$25 - $49 / hr2 - 9Lehi, UT
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LoveYourDevTeam is an IT staff augmentation company. They are located in Lehi, Utah and have small team. They provide IT staff augmentation and Artificial Intelligence.
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$1,000+$25 - $49 / hr2 - 9
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Launched in 2023, SmallBay Digital is a Digital Strategy company. The team offers Digital Strategy and Search Engine Optimization.
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$1,000+$25 - $49 / hr2 - 9
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Small web design agency Webscripts, is headquartered in Edmonton, Canada. The team specializes in Web Design and UX/UI Design.
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$1,000+Undisclosed2 - 9
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Qodiv is a web design company. Their small team of employees is located in Tetouan, Morocco and Tetouan, Oregon. Their team offers Web Design and Web Development.
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$1,000+$25 - $49 / hr2 - 9Arusha, Tanzania
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Located in Arusha, Tanzania, Kokotoa Technologies is a software development firm. They offer Custom Software Development and Web Development and were founded in 2012.
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$1,000+$50 - $99 / hr2 - 9Częstochowa, Poland
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Web design company Visign Agency was launched in 2020. The agency specializes in Web Design and Print Design.
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Undisclosed< $25 / hr2 - 9
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RigelCraft Technologies is an user experience agency. Based in Surat, India, their team focuses on UX/UI Design and Web Development.
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$1,000+$50 - $99 / hr2 - 9
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TBC Business Solution is a web design company. Established in 2024, the firm offers Web Design and Robotics Process Automation.
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Undisclosed< $25 / hr2 - 9Henderson, NV
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DEVSTEIN LLC, a web development company, is headquartered in Henderson, Nevada. The team specializes in Web Development and Mobile App Development.
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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
Ability to deliver
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
Ability to deliver
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
Ability to deliver
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.