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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$1,000+$25 - $49 / hr2 - 9Bengaluru, India
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In Bengaluru, India, Digirex Technologies is a website development firm. They specialize in Web Development and E-Commerce Development.
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$1,000+$25 - $49 / hr2 - 9Wrocław, Poland
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Speedup Ninja is a small web development company launched in 2020. Their services include Web Development and E-Commerce Development.
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$1,000+< $25 / hr2 - 9Karachi, Pakistan
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Imaginedge Creatives, a web design company, is located in Karachi, Pakistan. They focus on Web Design and UX/UI Design and were established in 2019.
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Undisclosed< $25 / hr2 - 9
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See all 1 projectsKrel Creatives specializes in Website Development, consistently delivering high-quality services tailored to client needs. Overall feedback highlights their timely delivery, reasonable pricing, and satisfactory web design outcomes. Clients appreciate their effective communication and strong project management, although some suggest improvements in UX/UI design.
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$10,000+$100 - $149 / hr10 - 49New York, NY
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Mattermark Studios is a small New York, New York-based custom software development company. The team specializes in Custom Software Development and Mobile App Development.
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$1,000+< $25 / hr10 - 49Zaporizhzhia, Ukraine
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DevPuzzle is a website development company. Located in Zaporizhzhia, Ukraine, the company focuses on Web Development and Custom Software Development.
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$10,000+$100 - $149 / hr50 - 249Rotterdam, Netherlands
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NGTI is a midsize app development company. Established in 2014, the team specializes in Mobile App Development and IoT development.
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$5,000+$25 - $49 / hr10 - 49Bursa, Türkiye
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Web development company and application development company Evkal Inc. Was established in 2010. The team offers Web Development and Mobile App Development.
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Undisclosed$25 - $49 / hr10 - 49Dhaka, Bangladesh
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GenRes is a social media marketing company. Their team is located in Dhaka, Bangladesh. The firm focuses on Social Media Marketing and Search Engine Optimization.
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$1,000+$300+ / hr50 - 249San Diego, CA
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In San Diego, California, NET SNIPERS MEDIA is a midsize SEO agency. Their services include Search Engine Optimization and Pay Per Click.
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$25,000+$100 - $149 / hr10 - 49
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App development firm Gray Matter is in New York, New York. The team specializes in Mobile App Development and Web Development.
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$5,000+$150 - $199 / hr10 - 49
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Macford Digital is a web development company. Established in 2020, the agency provides Web Development and Social Media Marketing.
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$50,000+$50 - $99 / hr10 - 49Torre del Greco, Italy
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Gate42 s.r.l. Is a web development firm. The Torre del Greco, Italy-based firm specializes in Web Development and Mobile App Development.
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$5,000+$25 - $49 / hr10 - 49San Nicolas, Argentina
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Banana Software LLC is a website development firm and application development firm established in 2018. Their team provides Web Development and Mobile App Development.
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$10,000+$25 - $49 / hr10 - 49
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Appbites is a cloud consulting & SI company. Their small team is in Prishtina, Kosovo. Their services include cloud consulting & SI and Web Development.
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$5,000+$50 - $99 / hr50 - 249Rosario, Argentina
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Established in 2021, Zafirus Technologies is a software development firm. The midsize team provides Custom Software Development and IT staff augmentation.
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$1,000+< $25 / hr10 - 49Surat, India
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Skyline Infosys is a web development firm. Their team is in Surat, India and focuses on Web Development and Web Design.
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$1,000+$25 - $49 / hr2 - 9Bangkok, Thailand
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Purple Voice is an user experience agency. The team offers UX/UI Design and Mobile App Development and is headquartered in Bangkok, Thailand.
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$5,000+$50 - $99 / hrFreelancerKaty, TX
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See all 1 projectsAlesti Systems specializes in Website Development, providing efficient and communicative services that deliver impactful results. The overall feedback highlights their speed, efficiency, and strong communication skills, culminating in successful web solutions tailored to client needs.
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$1,000+$25 - $49 / hr50 - 249Galle, Sri Lanka
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LOOPY HOLDINGS (PVT) LTD is a social media marketing firm. Their team is in Galle, Sri Lanka and Sri Jayawardenepura Kotte, Sri Lanka. The firm provides Social Media Marketing and Graphic Design.
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$5,000+$25 - $49 / hr50 - 249Hyderabad, India
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Emperor Brains is a web development firm. They are in Hyderabad, India and have midsize team of experts. Their services include Web Development and Custom Software Development.
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$1,000+$25 - $49 / hr50 - 249Sacramento, CA
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Launched in 2018, Technupur is a midsize custom software development company. Their services include Custom Software Development and BI & big data consulting & SI.
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$5,000+$50 - $99 / hr10 - 49Sheridan, WY
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WIP IT is a small web development company located in Sheridan, Wyoming. The team provides Web Development and Web Design.
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$1,000+$150 - $199 / hr10 - 49Dubai, United Arab Emirates
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Tequila Branding & Web Design Company is a branding firm. Their team is based in Dubai, United Arab Emirates and specializes in Branding and Web Design.
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$100,000+$50 - $99 / hr10 - 49
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Beemster Team, a small Blockchain company, is headquartered in Odessa, Ukraine. Their services include Blockchain and Web Development.
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Undisclosed$25 - $49 / hr2 - 9
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See all 1 projectsModularity Bulgaria specializes in automating data entry processes and developing customized validation systems, using technologies such as AWS and Node, as well as OCR for document processing. Their reviews highlight their high engagement, professionalism, and effective project management. Clients commend their responsiveness, collaborative nature, and ability to exceed expectations, resulting in significant improvements in application efficiency and customer experience.
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$1,000+Undisclosed50 - 249
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See all 1 projectsA.N.Four Soft Pvt Ltd specializes in Website Development and Web Design, offering comprehensive web programming solutions. Reviews highlight their professionalism, exceptional project management, and commitment to client satisfaction through proactive communication. Clients commend the team's expertise in creating user-centric, aesthetically pleasing online platforms that align with brand identities while ensuring functionality and SEO optimization.
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$1,000+$50 - $99 / hr2 - 9
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Kinstart OÜ is a small web development company. Launched in 2021, the team provides Web Development and Web Design.
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$5,000+$100 - $149 / hr2 - 9Wieliczka, Poland
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Small web design agency Nomma, is based in Wieliczka, Poland. Their services include Web Design and Web Development.
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$5,000+$25 - $49 / hr2 - 9
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Arivu Technologies is a web development company. The agency is in Bengaluru, India. Their team focuses on Web Development and E-Commerce Development.
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$1,000+$25 - $49 / hr10 - 49Kyiv, Ukraine
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GoFriends development is a small Kyiv, Ukraine-based website development company. Their services include Web Development and Web Design.
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$1,000+$25 - $49 / hr10 - 49Yerevan, Armenia
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Established in 2012, Ubicross.pro, a small app development company, is located in Yerevan, Armenia. Their services include Mobile App Development and Web Development.
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$50,000+$150 - $199 / hr10 - 49Los Angeles, CA
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Founded in 2018, Cadenza is an Enterprise App Modernization company. Their team specializes in Enterprise App Modernization and Mobile App Development.
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$10,000+$25 - $49 / hr10 - 49Cluj-Napoca, Romania
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Founded in 2019, The Why Company is a mobile application development firm. Their team provides Mobile App Development and Web Development.
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$1,000+< $25 / hr10 - 49Bishkek, Kyrgyzstan
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Launched in 2021, ZettaSoft IO is a web development firm. The small team specializes in Web Development and UX/UI Design.
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Undisclosed$25 - $49 / hr10 - 49Wilmington, DE
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Based in Wilmington, Delaware and San Miguel, Peru, Rhinolabs is a website development firm. They specialize in Web Development and Mobile App Development and were launched in 2009.
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$25,000+$25 - $49 / hr10 - 49
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Iva Tech is a web development company. Established in 2019, the team provides Web Development and Search Engine Optimization.
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$1,000+< $25 / hr10 - 49Tunis, Tunisia
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Hortensia Agency is a web development firm launched in 2020. The small team provides Web Development and UX/UI Design.
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$1,000+$25 - $49 / hr10 - 49Bergen, Norway
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Senseteq AS is an app development company. They were established in 2020, and their services include Mobile App Development and Web Development.
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$1,000+< $25 / hr10 - 49Bulandshahr, India
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Bytive Technologies is a custom software development firm. Headquartered in Bulandshahr, India and Noida, India, their team specializes in Custom Software Development and Web Development.
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$1,000+$25 - $49 / hr10 - 49New York, NY
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Software development company BufferSol Technologies was established in 2022. The small team offers Custom Software Development and Web Development.
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$10,000+$25 - $49 / hr10 - 49
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CoderyOo is an app development company. Located in Islamabad, Pakistan, the team specializes in Mobile App Development and Web Development.
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$1,000+$25 - $49 / hr10 - 49Yerevan, Armenia
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VeeVee Soft is a Yerevan, Armenia-based custom software development company. Their services include Custom Software Development and Web Development.
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$1,000+$25 - $49 / hr10 - 49
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Founded in 2018, SimpleIT is a web development firm. The team focuses on Web Development and Mobile App Development.
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$5,000+$25 - $49 / hr10 - 49Kharkiv, Ukraine
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InUnison Tech is a web development firm based in Kharkiv, Ukraine. The team specializes in Web Development and Mobile App Development.
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$1,000+< $25 / hr10 - 49
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Web development firm Hyperhex Technology is based in Ahmedabad, India. They offer Web Development and Mobile App Development.
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$5,000+$100 - $149 / hr10 - 49Salem, India
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Deecodes.io is a website development company. Located in Salem, India, the firm was founded in 2022. Their team offers Web Development and Mobile App Development.
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$5,000+$25 - $49 / hr10 - 49Sydney, Australia
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Half Space is an user experience design company and web development firm. The Sydney, Australia-based firm was launched in 2021. Their services include UX/UI Design and Web Development.
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$5,000+$25 - $49 / hr10 - 49
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Eastlancers is a software development company and web development firm. In Islamabad, Pakistan, the company was established in 2020. Their team offers Custom Software Development and Web
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$1,000+$100 - $149 / hr10 - 49Canberra, Australia
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QX Tech is a SEO agency established in 2023. The small team provides Search Engine Optimization and Web Development.
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Get My MatchesWhy Trust Clutch
At Clutch, we believe trust is the foundation of every business relationship. Our mission is to help buyers make confident, data-backed decisions informed by real client experiences.
Every review on Clutch undergoes a rigorous, human-led verification process to make sure it’s valid. Our team of specialists confirms the identity of each reviewer, ensures the project is legitimate, and only publishes reviews that meet our strict criteria.
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We evaluate service providers using a structured methodology that combines:
- In-depth client interviews and ratings
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- Market presence
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This data powers tools like the Leaders Matrix, which helps you compare agencies directly. Our research team curates rankings by weighing verified reviews most heavily, so the most trusted and experienced providers rise to the top.
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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 -
$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 -
$25,000+$50 - $99 / hr50 - 249Kraków, Poland
Ability to deliver
39.5/40.019.6/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% 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+$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 -
$10,000+Undisclosed50 - 249San Francisco, CA
Ability to deliver
38.5/40.019.2/20 Reviews9.6/10 Clients & Experience9.7/10 Market PresenceService focus
40% Web Development50% JavaScript60% 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
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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
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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 -
$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 -
$1,000+< $25 / hr1,000 - 9,999Los Angeles, CA
Ability to deliver
36.5/40.019.2/20 Reviews9.3/10 Clients & Experience8/10 Market PresenceService focus
20% Web Development25% JavaScript80% 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.