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+$50 - $99 / hr2 - 9Niterói, Brazil
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Zesto Tech is a web development firm established in 2018. The team offers Web Development and Custom Software Development and is headquartered in Niterói, Brazil.
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$1,000+< $25 / hr2 - 9Surendranagar, India
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Findpro IT Solution is a website development firm. The team focuses on Web Development and Web Design, and the agency is based in Surendranagar, India.
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$5,000+$25 - $49 / hr2 - 9Celje, Slovenia
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Founded in 2021, WepiK d.o.o. Is a custom software development firm. Their team focuses on Custom Software Development and Web Development.
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$1,000+$25 - $49 / hr2 - 9Chennai, India
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Launched in 2020, Green Lime is a small website development firm. Their team offers Web Development and Mobile App Development.
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$5,000+$50 - $99 / hr2 - 9Berlin, Germany
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Fruitful, a web design agency, is headquartered in Berlin, Germany and Parede, Portugal. They focus on Web Design and Search Engine Optimization.
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$1,000+Undisclosed2 - 9San Pedro Garza García, Mexico
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Webdive, a web design company, specializes in Web Design and UX/UI Design. The firm is based in San Pedro Garza García, Mexico.
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$10,000+Undisclosed2 - 9Boulder, CO
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UX agency Meteor Labs was launched in 2021. The team provides UX/UI Design and Web Design and is based in Boulder, Colorado.
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$1,000+< $25 / hr2 - 9Heroica Puebla de Zaragoza, Mexico
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Sturasoft, a web development firm, was founded in 2022. The small team provides Web Development and Web Design.
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Undisclosed$25 - $49 / hr2 - 9Șcheia, Romania
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Refresh is a branding company established in 2022. The team specializes in Branding and Social Media Marketing and is headquartered in Șcheia, Romania and Cluj-Napoca, Romania.
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$5,000+$50 - $99 / hr2 - 9Łódź, Poland
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Master Key is a software development company. In Łódź, Poland and Kraków, Poland, the company provides Custom Software Development and Web Development.
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$1,000+$25 - $49 / hr2 - 9Balingen, Germany
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Yosbo WebSolutions is a website development company. The team is located in Balingen, Germany, and their services include Web Development and E-Commerce Development.
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$10,000+< $25 / hr2 - 9
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J3Codeflix is a custom software development firm. In Lucena, Philippines, the agency was established in 2020. Their services include Custom Software Development and Web Development.
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$1,000+$25 - $49 / hr2 - 9Taguig, Philippines
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E-commerce development company Decode and Thrive is based in Makati, Philippines and Taguig, Philippines. They specialize in E-Commerce Development and Web Design.
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$25,000+$100 - $149 / hr2 - 9Victoria, Canada
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Bit3.ca Consulting LTD is a software development company. The Victoria, Canada-based company was founded in 2022. Their services include Custom Software Development and Web Development.
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$5,000+$50 - $99 / hr2 - 9Garching bei München, Germany
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K-tronik Digital Solutions GmbH is a website development firm launched in 2019. Their services include Web Development and Mobile App Development.
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$1,000+$25 - $49 / hr2 - 9
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Cometweb is a web development firm. The agency is located in Gdynia, Poland. Their team focuses on Web Development and E-Commerce Development.
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$5,000+$25 - $49 / hr2 - 9London, England
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InWings LTD is a small London, England-based Blockchain company. Their services include Blockchain and Custom Software Development.
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$1,000+Undisclosed2 - 9
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BrandOPT is a web development firm. They are headquartered in Ghaziabad, India and have small team of experts. Their services include Web Development and Logo.
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$5,000+$50 - $99 / hr2 - 9
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Techaspec, a web development company, is based in London, England. The team provides Web Development and Search Engine Optimization.
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$1,000+$25 - $49 / hr2 - 9San Leandro, CA
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Founded in 2023, Frank Dev LLC is a branding company. Located in San Leandro, California, the team specializes in Branding and BI & big data consulting & SI.
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$1,000+< $25 / hr2 - 9
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Web design company LeopardSol is based in Wilmington, Delaware. They offer Web Design and Logo.
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$10,000+$200 - $300 / hr2 - 9Dakar, Senegal
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OriginStudio is a branding agency founded in 2023. Their services include Branding and UX/UI Design.
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$1,000+< $25 / hr2 - 9Ahmedabad, India
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PAIDNINJAS SOFTWARE & IT SOLUTIONS is a web development firm. They were established in 2023, and their services include Web Development and Application Management & Support.
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$10,000+$50 - $99 / hr2 - 9
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VMA is a web development firm. They were launched in 2012 and offer Web Development and Custom Software Development.
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Undisclosed$50 - $99 / hr2 - 9
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Emery Technologies is a web development firm founded in 2021. The firm offers Web Development and Custom Software Development.
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$10,000+$50 - $99 / hr2 - 9
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Produlis ∙ Webflow, Wized & Xano Agency is a San Juan de Lurigancho, Peru-based user experience design agency. They specialize in UX/UI Design and Custom Software Development.
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$5,000+$100 - $149 / hr2 - 9Bournemouth, England
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Blue Synapse is a web design agency. The small Bournemouth, England-based team specializes in Web Design and UX/UI Design. The company was established in 2024.
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$5,000+$25 - $49 / hr2 - 9Fes, Morocco
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Marketing Strategy company CAAVER is headquartered in Fes, Morocco. They specialize in Marketing Strategy and Search Engine Optimization.
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$1,000+Undisclosed2 - 9
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DecaCodes is a web development company in London, England. The team focuses on Web Development and Web Design.
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$1,000+$50 - $99 / hr2 - 9
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UX Mind Studio is an UX agency. The small Khulna, Bangladesh-based team focuses on UX/UI Design and Web Design. The firm was established in 2024.
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$1,000+$25 - $49 / hr2 - 9Dubai, United Arab Emirates
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Web development firm DGB Planet Technology is headquartered in Dubai, United Arab Emirates. The team focuses on Web Development and cloud consulting & SI.
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UndisclosedUndisclosed2 - 9
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Established in 2024, WSixOne is a small Toronto, Canada-based web design company. Their team offers Web Design and UX/UI Design.
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$1,000+< $25 / hr2 - 9Surat, India
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Notchweb Infotech Pvt Ltd, a cloud consulting & SI company, was established in 2018. They provides cloud consulting & SI and Custom Software Development.
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Undisclosed< $25 / hr2 - 9
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Founded in 2024, Truvett solutions is a web development company. The small team offers Web Development and Mobile App Development.
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$1,000+< $25 / hr2 - 9Surat, India
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Ewings Infotech is a web design company. Based in Surat, India, the firm was established in 2022. Their team provides Web Design and UX/UI Design.
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$1,000+Undisclosed2 - 9
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WentyTech is a web development firm. They were established in 2024 and specialize in Web Development and DevOps Managed Services.
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$1,000+$25 - $49 / hr2 - 9Lahore, Pakistan
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Mindcherry is a website development firm. They are located in Lahore, Pakistan, and their services include Web Development and Mobile App Development.
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$1,000+$50 - $99 / hr2 - 9
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Meola Studio is a Market Research company. Established in 2023, the team focuses on Market Research and Web Design.
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$1,000+$25 - $49 / hr2 - 9Ahmedabad, India
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Jugalam is a social media marketing agency. Based in Ahmedabad, India, the company was established in 2023. Their team focuses on Social Media Marketing and Conversion Optimization.
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$1,000+< $25 / hr2 - 9
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Branding agency KVNCRAFT TECHNOLOGIES is headquartered in Pune, India. They offer Branding and Search Engine Optimization.
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$250,000+$50 - $99 / hr2 - 9Cheyenne, WY
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Launched in 2023, CraftCohort is a website development company. The team focuses on Web Development and Mobile App Development and is located in Cheyenne, Wyoming and Braunschweig, Germany.
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Undisclosed$25 - $49 / hr2 - 9
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Web development firm Blackbook is headquartered in Khmel'nyts'kyi, Ukraine. They offer Web Development and E-Commerce Development and were launched in 2022.
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$10,000+$150 - $199 / hr2 - 9
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Pixel Plugins is a small San Diego, California-based custom software development firm. Their services include Custom Software Development and Web Development.
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$1,000+$50 - $99 / hr2 - 9Warszawa, Poland
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Web design agency VARSA CODES PROSTA SPÓŁKA AKCYJNA is located in Warszawa, Poland and New York, New York. Founded in 2024, the team focuses on Web Design and UX/UI Design.
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UndisclosedUndisclosed2 - 9
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Website development firm YACC focuses on Web Development and Mobile App Development. They were founded in 2022.
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$50,000+$25 - $49 / hr2 - 9Châtillon, France
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TECH'UP CONSULTING is a Châtillon, France-based data analytics company. They specialize in BI & big data consulting & SI and Web Development and were launched in 2017.
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$1,000+$25 - $49 / hr2 - 9Bratislava, Slovakia
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Herocode is a social media marketing company. Their small team is in Bratislava, Slovakia. Their services include Social Media Marketing and Search Engine Optimization.
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$1,000+Undisclosed2 - 9Rajkot, India
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BinaryCode Services is a Rajkot, India-based software development company. They offer Custom Software Development and Web Development and were launched in 2016.
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Undisclosed< $25 / hr2 - 9Ludhiana, India
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PMcreaters is a website development firm. The team provides Web Development and Web Design and is in Ludhiana, India.
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Undisclosed$50 - $99 / hr2 - 9
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AKAGROW is a Purulia, India-based web design company. Launched in 2023, the team offers Web Design and UX/UI Design.
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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
39.4/40.019.6/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
45% Web Development60% JavaScript55% Other -
$10,000+< $25 / hr250 - 999Thiruvananthapuram, India
Ability to deliver
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 -
$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 -
$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
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 - 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.