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+$25 - $49 / hr10 - 49
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Acme Infosoft is a social media marketing company. Established in 2008, the team specializes in Social Media Marketing and Custom Software Development. The agency is located in Ahmedabd, India.
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$5,000+$100 - $149 / hr2 - 9Berlin, Germany
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TJ Labs is a web development firm based in Berlin, Germany. They offer Web Development and Mobile App Development.
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$5,000+$100 - $149 / hr2 - 9
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See all 1 projectsRhytmelo Designs is a Shopify-focused conversion and growth agency helping DTC and eCommerce brands turn traffic into revenue. We specialize in building, redesigning, and optimizing Shopify stores
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$25,000+$25 - $49 / hr2 - 9Florianópolis, Brazil
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Cold Brew is a website development firm. Founded in 2022, the company is based in Florianópolis, Brazil. Their team focuses on Web Development and Custom Software Development.
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Undisclosed< $25 / hr10 - 49Liepāja, Latvia
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See all 1 projectsLibava Softworks offers Website Development, Web Design, and Web Programming services. Their clients consistently praise them for their professional and prompt responses, high-quality deliverables, and competitive pricing. Feedback highlights their ability to deliver projects quickly and effectively, leading to increased clients, orders, and profit.
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$10,000+$25 - $49 / hr2 - 9Frankfurt am Main, Germany
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Techara, a website development company, is based in Frankfurt am Main, Germany and Hamburg, Germany. They offer Web Development and Custom Software Development.
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$1,000+< $25 / hr10 - 49Gurugram, India
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Balsam Technologies is a website development firm. Founded in 2016, the firm is headquartered in Gurugram, India. Their services include Web Development and Mobile App Development.
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$10,000+$25 - $49 / hr10 - 49Hanoi, Vietnam
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Founded in 2009, Adaptis GmbH is an UX agency. Headquartered in Basel, Switzerland and Hanoi, Vietnam, the team specializes in UX/UI Design and Mobile App Development.
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$1,000+$25 - $49 / hr10 - 49Lahore, Pakistan
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Website development company AXCEL was founded in 2015. The team focuses on Web Development and Mobile App Development.
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$5,000+$25 - $49 / hr250 - 999Karachi, Pakistan
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UrApp Technologies is a software development company renowned for delivering innovative, flexible solutions, particularly in the realm of digital trading platforms. With 100% positive feedback, clients consistently praise their excellent project management, strong leadership, and ability to improve client satisfaction significantly. Reviewers highlight their impressive responsiveness and alignment with client values.
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$10,000+$50 - $99 / hr250 - 999Eich, Switzerland
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RT Labs EU is a CRM consulting and SI company. Launched in 2014, the team focuses on CRM consulting and SI and Custom Software Development.
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$1,000+< $25 / hr50 - 249
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Noble Kode is a Conversion Optimization company founded in 2021. The firm provides Conversion Optimization and UX/UI Design.
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$1,000+$25 - $49 / hr10 - 49Lahore, Pakistan
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DEVTICS TECHNOLOGIES is a branding agency. Established in 2018, their team provides Branding and Search Engine Optimization.
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$1,000+$100 - $149 / hr10 - 49Brossard, Canada
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Email Marketing company Reptile focuses on Email Marketing and Graphic Design. They are based in Brossard, Canada.
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Undisclosed< $25 / hr10 - 49Rajkot, India
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Code Buddy's is a web design agency. The team is headquartered in Rajkot, India, and their services include Web Design and Web Development.
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$1,000+$25 - $49 / hr10 - 49
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Launched in 2015, Plump Technologies is a small Karachi, Pakistan-based software development company. Their team specializes in Custom Software Development and Web Development.
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$1,000+< $25 / hr10 - 49Surat, India
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Tech Nurture is a web development company. Their small team is headquartered in Surat, India. Their services include Web Development and Mobile App Development.
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$1,000+< $25 / hr10 - 49Ho Chi Minh, Vietnam
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WeTech Software is a website development company. Their team is located in Ho Chi Minh, Vietnam and Ho Chi Minh, Vietnam. The agency offers Web Development and Commercial Development.
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$1,000+$50 - $99 / hr2 - 9Sevierville, TN
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See all 1 projectsRugged Software specializes in Website Development and Web Design, offering services that enhance software and marketing websites. Clients consistently praise the company for its effective communication, responsiveness, and ability to deliver high-quality work on time. The team is described as knowledgeable and a valuable resource, with a strong alignment to client values and a great culture fit.
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$1,000+$50 - $99 / hr2 - 9Moulton Park, England
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Founded in 2019, Zestcode Digital is a website development firm. The team provides Web Development and Web Design.
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$1,000+Undisclosed2 - 9
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Nexus Prizm is a small website development firm. Founded in 2021, the team provides Web Development and Social Media Marketing.
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$25,000+$100 - $149 / hr2 - 9Portsmouth, NH
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Launched in 2020, Paper Clouds is a custom software development company. The company offers Custom Software Development and Web Development.
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$10,000+$100 - $149 / hr2 - 9Cheyenne, WY
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Wand Solutions, a web development company, was launched in 2021. They focuses on Web Development and Mobile App Development.
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UndisclosedUndisclosed2 - 9
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Propulsive Tech is a website development firm founded in 2017. The team offers Web Development and Mobile App Development and is located in Hyderabad, India.
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$1,000+$25 - $49 / hr2 - 9Athina, Greece
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In Athina, Greece, 361SEO is a small website development company. Their services include Web Development and E-Commerce Development.
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$1,000+$100 - $149 / hr2 - 9Charlottetown, Canada
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Web design agency TrueWeb Media is headquartered in Charlottetown, Canada. The team specializes in Web Design and Web Development.
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$1,000+$50 - $99 / hr2 - 9Nantwich, England
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Website development company Coderra Ltd is headquartered in Nantwich, England. They specialize in Web Development and Web Design and were founded in 2012.
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$1,000+$25 - $49 / hr2 - 9London, Canada
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Wax Web is a small web design agency established in 2023. Their team provides Web Design and UX/UI Design.
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$1,000+$25 - $49 / hr2 - 9Kuching, Malaysia
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Cloudkia Solutions Sdn. Bhd. Is a web development company. The Kuching, Malaysia-based agency provides Web Development and E-Commerce Development.
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$5,000+< $25 / hr2 - 9Montevideo, Uruguay
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Established in 2015, The Good Guys is an Other Application Development company. The team focuses on Other Application Development and Custom Software Development.
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$50,000+Undisclosed10 - 49New York, NY
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AAA is a software development firm in New York, New York. The team focuses on Custom Software Development and Web Development.
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$5,000+$50 - $99 / hr10 - 49Sandton, South Africa
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League Digital, a social media marketing agency, offers Social Media Marketing and Search Engine Optimization. The agency is headquartered in Sandton, South Africa and Perth, Australia.
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$50,000+$50 - $99 / hr10 - 49Latina, Italy
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EXALTECH SRL is a website development firm. Established in 2009, the company is in Latina, Italy. Their services include Web Development and API Development.
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$1,000+$100 - $149 / hr10 - 49South Miami, FL
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Pierson Media is a web design company. They are headquartered in South Miami, Florida. Their team specializes in Web Design and Web Development.
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Undisclosed< $25 / hr10 - 49Lucknow, India
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Simple Intelligent Systems is a web development firm. Their team is in Lucknow, India and specializes in Web Development and UX/UI Design.
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$1,000+$25 - $49 / hrFreelancerGeorgina, Canada
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Mentseo - Jeremy Morrison SEO Consulting is a Georgina, Canada-based website development firm. They focus on Web Development and Search Engine Optimization and were founded in 2020.
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$10,000+$50 - $99 / hr50 - 249Mississauga, Canada
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Social media marketing firm Acela Services was established in 2014. The company provides Social Media Marketing and Email Marketing.
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Undisclosed< $25 / hrFreelancerTrzebnica, Poland
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Founded in 2021, simicoding, a small web development firm, is based in Trzebnica, Poland. Their team focuses on Web Development and E-Commerce Development.
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$25,000+$200 - $300 / hr50 - 249Irvine, CA
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Founded in 2007, Codazen is a software development company. Their services include Custom Software Development and Enterprise App Modernization.
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$5,000+$50 - $99 / hr50 - 249Thane, India
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Established in 2006, Axioned is a website development company. The team focuses on Web Development and Web Design.
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$25,000+$150 - $199 / hr50 - 249Royal Oak, MI
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Integral is a midsize custom software development company located in Royal Oak, Michigan. Their services include Custom Software Development and Web Development.
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$1,000+$50 - $99 / hr2 - 9Nairobi, Kenya
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Digilab Marketing Agency is a SEO company. Located in Nairobi, Kenya, the team offers Search Engine Optimization and Web Development.
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$1,000+$100 - $149 / hr2 - 9Madison, WI
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Accent Graphix Design Studio is a web design agency. They are in Madison, Wisconsin, and their services include Web Design and Web Development.
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$5,000+$25 - $49 / hr2 - 9Beyoğlu, Türkiye
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Kant Software Inc., a mobile application development firm, was established in 2016. The agency provides Mobile App Development and Custom Software Development, and is small.
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$1,000+$25 - $49 / hr2 - 9
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Trilops, LLC is a custom software development company in Sheridan, Wyoming. Their services include Custom Software Development and Web Development.
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$10,000+$50 - $99 / hr250 - 999Split, Croatia
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NETMedia is a custom software development company. The Split, Croatia-based firm provides Custom Software Development and Mobile App Development.
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$5,000+$100 - $149 / hr2 - 9San Francisco, CA
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Website development company Workbox was established in 1997. The team focuses on Web Development and Custom Software Development.
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UndisclosedUndisclosed250 - 999Roseville, CA
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GT Wizards is a midsize Digital Strategy company launched in 2010. Their team offers Digital Strategy and Web Design.
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$10,000+$25 - $49 / hr250 - 999Lahore, Pakistan
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Established in 2019, XpertDigi is a custom software development company. Headquartered in Lahore, Pakistan, the team provides Custom Software Development and Web Development.
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$10,000+$100 - $149 / hr2 - 9
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Bespoke Software, a custom software development company, was established in 2015. The company focuses on Custom Software Development and Web Development.
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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
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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
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
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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
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
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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 -
$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
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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
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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
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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.