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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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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UndisclosedUndisclosed2 - 9Sandton, South Africa
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Website development firm BlaqBerry was launched in 2005. The firm provides Web Development and Graphic Design, and is small.
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$5,000+$25 - $49 / hr2 - 9Delhi, India
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SEO services firm Website Dukaan provides Search Engine Optimization and Pay Per Click. They are based in Delhi, India and Shikohabad, India.
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$1,000+$50 - $99 / hr2 - 9
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Leo Digital Creative, a website development company, is located in San Diego, California. Launched in 2022, the team focuses on Web Development and Search Engine Optimization.
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$5,000+$50 - $99 / hr2 - 9București, Romania
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Broadmark is a branding firm launched in 2022. Their services include Branding and Print Design.
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$5,000+$25 - $49 / hr2 - 9
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Headquartered in , PlayRock Sass Provider is a website development company. They specialize in Web Development and Artificial Intelligence.
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$1,000+$50 - $99 / hr2 - 9Iż-Żejtun, Malta
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Small branding firm Sleekly, is located in Iż-Żejtun, Malta. The team specializes in Branding and Search Engine Optimization.
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UndisclosedUndisclosed2 - 9Sofia, Bulgaria
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SEO agency Simplifix Studio is based in Sofia, Bulgaria. Their services include Search Engine Optimization and Pay Per Click.
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$1,000+$50 - $99 / hr2 - 9Pasadena, CA
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First Spring Digital is a branding company. The team specializes in Branding and Search Engine Optimization, and the agency is located in Pasadena, California.
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$1,000+$150 - $199 / hr2 - 9Seattle, WA
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Up n Up Global is a Marketing Strategy company. Established in 2019, the team provides Marketing Strategy and Pay Per Click.
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$1,000+$25 - $49 / hr2 - 9Ibadan, Nigeria
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Web design company Chronos Bridge focuses on Web Design and CRM consulting and SI. They were established in 2024.
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$1,000+$25 - $49 / hr2 - 9
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Growth Aspired is a social media marketing company. Their small team is in and provides Social Media Marketing and UX/UI Design. The firm was launched in 2023.
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Undisclosed< $25 / hr2 - 9Gurugram, India
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Launched in 2022, Digital Fit India is a small Gurugram, India-based social media marketing agency. Their services include Social Media Marketing and Search Engine Optimization.
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UndisclosedUndisclosed2 - 9
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Established in 2019, Lahore Digital Media is a small social media marketing agency. Their services include Social Media Marketing and Search Engine Optimization.
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$1,000+$25 - $49 / hr2 - 9Irvine, CA
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Make it happen Art & Tech is an Irvine, California-based software development firm. They offer Custom Software Development and Web Development and were established in 2020.
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$1,000+< $25 / hr2 - 9Tallinn, Estonia
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ZORKAZ is a small website development firm based in Tallinn, Estonia. The team offers Web Development and Web Design.
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$1,000+Undisclosed2 - 9
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Wisecoda, a SEO company, was founded in 2024. Based in Norwich, England, the team specializes in Search Engine Optimization and Web Design.
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$1,000+$25 - $49 / hr2 - 9Zaporizhzhia, Ukraine
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Established in 2020, Effect, a small web design company and web development company, is in Zaporizhzhia, Ukraine. Their team provides Web Design and Web Development.
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$1,000+$100 - $149 / hr2 - 9Calgary, Canada
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Established in 2019, Big Fox Agency is a small Calgary, Canada-based social media marketing company. Their team focuses on Social Media Marketing and Search Engine Optimization.
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$1,000+$50 - $99 / hr2 - 9Columbus, OH
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Strive Innovations Inc. Is a social media marketing firm launched in 2024. The small team focuses on Social Media Marketing and Email Marketing.
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$1,000+$50 - $99 / hr2 - 9
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Kode4, an user experience agency, is located in Kolkata, India and Ottawa, Canada. They focus on UX/UI Design and Web Development.
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Undisclosed$25 - $49 / hr2 - 9Timișoara, Romania
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Established in 2021, evosa is a custom software development company. The team provides Custom Software Development and Web Development and is based in Timișoara, Romania.
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Undisclosed$25 - $49 / hr2 - 9
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Acta Digitech, a SEO company, was launched in 2025. The small team provides Search Engine Optimization and Logo.
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$1,000+$25 - $49 / hr2 - 9
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Established in 2024, Epex Logics is a web design agency. The team specializes in Web Design and Branding and is in Gujranwala, Pakistan.
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$1,000+$25 - $49 / hr2 - 9
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Righteousoft is a social media marketing firm launched in 2024. The company specializes in Social Media Marketing and Search Engine Optimization, and is small.
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$1,000+$50 - $99 / hr2 - 9Plovdiv, Bulgaria
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GetSEO LTD. Is a social media marketing firm. They are located in Plovdiv, Bulgaria. Their team provides Social Media Marketing and Content Marketing.
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$25,000+$25 - $49 / hr2 - 9
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Megallan IT is an IT strategy consulting company. They were founded in 2024 and focus on IT strategy consulting and cloud consulting & SI.
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$1,000+$25 - $49 / hr2 - 9
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MENA Marketers is a social media marketing company. They focus on Social Media Marketing and Pay Per Click and were launched in 2023. The agency is in Punjab, Pakistan.
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Undisclosed$25 - $49 / hr2 - 9
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DevinIT, a CRM consulting and SI company, was launched in 2024. The small team provides CRM consulting and SI and ERP consulting and SI.
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$1,000+$25 - $49 / hr2 - 9
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Group of Resources is a Lahore, Pakistan-based big data company. Their services include BI & big data consulting & SI and cloud consulting & SI.
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Undisclosed$50 - $99 / hr2 - 9New York, NY
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Click Flix Media, a branding company, offers Branding and Search Engine Optimization. The firm is located in New York, New York.
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UndisclosedUndisclosed2 - 9Vadodara, India
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Mark Digital Vadodara is a SEO company. The team is headquartered in Vadodara, India, and their services include Search Engine Optimization and Web Design.
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$1,000+$25 - $49 / hr2 - 9Sahibzada Ajit Singh Nagar, India
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Headquartered in Sahibzada Ajit Singh Nagar, India, Rathidev IT Solutions is a website development company. They focus on Web Development and Web Design.
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Undisclosed$50 - $99 / hr2 - 9Dubai, United Arab Emirates
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Website development company Next It Era is in Dubai, United Arab Emirates. They provide Web Development and Mobile App Development.
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Undisclosed$25 - $49 / hr2 - 9Bogotá, Colombia
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Branding firm UNIQ Labs is based in Bogotá, Colombia. Established in 2025, the team provides Branding and Search Engine Optimization.
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$1,000+$25 - $49 / hr2 - 9
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Levroun Enterprises is a SEO services firm established in 2025. The agency focuses on Search Engine Optimization and Graphic Design, and is small.
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$1,000+$100 - $149 / hr2 - 9
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Website development company Chosen6 Digital Agency was founded in 2025. The company focuses on Web Development and E-Commerce Development, and is small.
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$1,000+< $25 / hr2 - 9Surat, India
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RakshaStack is a mobile app development company in Surat, India. The team offers Mobile App Development and Web Development.
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UndisclosedUndisclosed2 - 9
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Fresco Software Solution LLC is a social media marketing firm. Headquartered in Cedar Park, Texas, the team focuses on Social Media Marketing and Search Engine Optimization.
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UndisclosedUndisclosed2 - 9
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LighTecHouse is a web development company. Founded in 2025, the team specializes in Web Development and Mobile App Development.
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$5,000+$25 - $49 / hr2 - 9
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Vizioneque Technology is a web development company. The Noida, India-based company offers Web Development and Custom Software Development.
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$1,000+$50 - $99 / hr2 - 9New York, NY
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Empire State SEO, a branding company, provide Branding and Social Media Marketing. They were founded in 2025.
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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.