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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$10,000+$50 - $99 / hr10 - 49Galway, Ireland
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App Design, a custom software development company, was established in 2011. The team specializes in Custom Software Development and Mobile App Development.
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$1,000+< $25 / hr10 - 49Bandung, Indonesia
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Dimy Tech is a custom software development firm. Located in Bandung, Indonesia, the team provides Custom Software Development and Web Development.
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$1,000+< $25 / hr2 - 9Ahmedabad, India
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TeamSEO is a SEO agency. Established in 2019, the team offers Search Engine Optimization and Social Media Marketing.
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$1,000+$50 - $99 / hrFreelancerLa Puente, CA
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Oscar's Web Services is a La Puente, California-based web development company and e-commerce development company. They offer Web Development and E-Commerce Development.
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UndisclosedUndisclosed2 - 9Nairobi, Kenya
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The Code Pot Technologies is an e-commerce development company launched in 2015. The team offers E-Commerce Development and Web Development.
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$1,000+$25 - $49 / hr2 - 9Kuala Lumpur, Malaysia
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Thrive Technologies Malaysia, an Email Marketing company, provides Email Marketing and Search Engine Optimization. The firm is based in Kuala Lumpur, Malaysia.
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$1,000+$25 - $49 / hr2 - 9Ahmedabad, India
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Bytefaze Web Solutions is a website development firm. Founded in 2021, the agency is in Ahmedabad, India. Their team specializes in Web Development and Mobile App Development.
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Undisclosed< $25 / hr10 - 49Ahmedabad, India
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InfieGrity Solutions is a cloud consulting & SI company. The Ahmedabad, India-based firm was established in 2021. Their team specializes in cloud consulting & SI and IT managed services.
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$1,000+< $25 / hr10 - 49Lahore, Pakistan
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Devexcel IT Solutions, a custom software development firm, focus on Custom Software Development and Mobile App Development. They were launched in 2022.
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$1,000+$50 - $99 / hr10 - 49Dnipro, Ukraine
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BLENDER is a pay per click company. They provide Pay Per Click and Social Media Marketing and are based in Dnipro, Ukraine.
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$25,000+$200 - $300 / hr10 - 49Saskatoon, Canada
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Market Research company zu was founded in 1995. The team offers Market Research and Web Design and is in Saskatoon, Canada.
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$1,000+$25 - $49 / hr10 - 49
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Cuevasoft LLC is a mobile app development company launched in 2023. Their team provides Mobile App Development and Custom Software Development.
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$1,000+< $25 / hr2 - 9
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Web development firm Okta Agency offers Web Development and Advertising. They are located in Lahore, Pakistan.
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$1,000+< $25 / hr10 - 49
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Future IT Touch Private Limited, a web development company, is based in Leander, Texas and Austin, Texas. They specialize in Web Development and Mobile App Development.
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$5,000+$50 - $99 / hr2 - 9Wrocław, Poland
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See all 4 projectsKysune offers comprehensive Website Development, including Web Design and Web Programming services. Reviews highlight their proficiency in reconstructing and optimizing web portals, as well as implementing new features for e-commerce platforms. Clients consistently praise their timely delivery, professional communication, and valuable insights that enhance website functionality and security.
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Undisclosed< $25 / hr2 - 9Ujjain, India
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Next Hyperlink is a web design company launched in 2022. In Ujjain, India, the team focuses on Web Design and Graphic Design.
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$1,000+< $25 / hr10 - 49Rajkot, India
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Encrypted Infoweb is a software development company established in 2022. Located in Rajkot, India, the team focuses on Custom Software Development and Web Development.
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$1,000+< $25 / hr2 - 9New Delhi, India
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Founded in 2016, WideUp Private Limited is a website development company. The team provides Web Development and Mobile App Development and is headquartered in New Delhi, India.
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$1,000+< $25 / hr50 - 249
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Janaki Soft is a website development company established in 2015. The firm provides Web Development and Custom Software Development.
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$1,000+$50 - $99 / hr50 - 249Tustin, CA
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OneDigit, a midsize artificial intelligence company, is located in Tustin, California. Their services include Artificial Intelligence and Generative AI.
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$50,000+$300+ / hr2 - 9Antibes, France
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Sticky Pixel is an UX agency. They are in Shoreditch, England and Antibes, France and have small team of experts. Their services include UX/UI Design and Mobile App Development.
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$10,000+$100 - $149 / hr2 - 9Atlanta, GA
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Valene Ashia Creative Studio is a web design agency. The Atlanta, Georgia-based team offers Web Design and Web Development.
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$5,000+$50 - $99 / hr2 - 9București, Romania
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UnderWeb is a web development company. Launched in 2009, the firm is based in București, Romania. Their team focuses on Web Development and E-Commerce Development.
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$5,000+$150 - $199 / hr2 - 9Temecula, CA
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PPC company Just A Web Company, Inc. Was founded in 2011. The small team focuses on Pay Per Click and Search Engine Optimization.
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$5,000+$100 - $149 / hr2 - 9Deerfield, IL
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Founded in 2019, Scherbius is a small web development company headquartered in Deerfield, Illinois. Their team focuses on Web Development and Web Design.
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$5,000+$50 - $99 / hr2 - 9Portland, ME
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Web development firm Northeast Media Collective was founded in 2000. The agency offers Web Development and Custom Software Development.
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$5,000+$150 - $199 / hr2 - 9
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The Round Table Agency is a branding firm launched in 2017. Their team offers Branding and Web Design.
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$10,000+$150 - $199 / hr2 - 9London, England
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Web development firm CocoonFMS Ltd was established in 2021. The small team provides Web Development and Logistics & Supply Chain Consulting.
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$5,000+$100 - $149 / hr2 - 9Rostock, Germany
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Website development firm webhub was launched in 2019. The team offers Web Development and Mobile App Development and is located in Rostock, Germany.
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$10,000+$150 - $199 / hr2 - 9Minneapolis, MN
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Headquartered in Minneapolis, Minnesota and Minneapolis, Minnesota, The Mighty Mo! Design Co. Is a small web design company. The team offers Web Design and Search Engine Optimization.
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$1,000+$25 - $49 / hr2 - 9Velika Mlaka, Croatia
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Launched in 2023, E-COM is an e-commerce development firm. The team focuses on E-Commerce Development and Web Development.
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$1,000+$50 - $99 / hr2 - 9Denver, CO
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A La Carte Web Services is a small Denver, Colorado-based SEO services firm. Their services include Search Engine Optimization and IT managed services.
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$1,000+< $25 / hr10 - 49
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See all 1 projectsSavvy Ray Technologies (SRT) is a premier digital marketing agency offering cutting-edge solutions to enhance your brand’s online presence. Specializing in SEO, branding, web design and
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$1,000+< $25 / hr10 - 49Karachi, Pakistan
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See all 1 projectsMarkytech provides comprehensive services in Website Development, including custom management portals and integrated POS systems for businesses such as Qayam Hunza Hotel and Restaurant. Their reviews highlight exceptional project management, timely delivery, and a remarkable pricing-to-value ratio. Clients commend their professionalism, responsiveness, and ability to exceed expectations, making Markytech a reliable choice for Online Development needs.
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$1,000+< $25 / hr2 - 9Ambernath, India
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See all 1 projectsRudraTech IT Services specializes in website development, software development, game development, and mobile app development. The reviews highlight their commitment to quality, effective project management, and excellent customer service. Clients appreciate their responsiveness, comprehensive solutions, and competitive pricing.
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$1,000+< $25 / hr10 - 49Surat, India
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Techier is a web development firm. Located in Surat, India, the firm provides Web Development and Mobile App Development.
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$5,000+$100 - $149 / hr2 - 9Paris, France
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Founded in 2019, d-story, a small Digital Strategy company, is based in Paris, France. Their team specializes in Digital Strategy and Web Development.
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Undisclosed$25 - $49 / hr2 - 9Heroica Puebla de Zaragoza, Mexico
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Multimedia Efectiva, a web design agency, was established in 2003. The firm provides Web Design and Web Development, and is small.
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$5,000+$50 - $99 / hr2 - 9Łapy, Poland
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Located in Łapy, Poland, Aseity is a small IT strategy consulting company. The team provides IT strategy consulting and Custom Software Development.
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$1,000+$25 - $49 / hr10 - 49
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Application development company Online Jaao is based in Nahur, India. Founded in 2018, the team offers Mobile App Development and Custom Software Development.
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UndisclosedUndisclosed10 - 49Kathmandu, Nepal
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Established in 2024, Asteroid Studio Pvt. Ltd is a branding company. Their team focuses on Branding and UX/UI Design.
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$1,000+$25 - $49 / hr2 - 9
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VB Easy is a New Delhi, India-based web design agency. Founded in 2016, the team focuses on Web Design and UX/UI Design.
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$5,000+$50 - $99 / hr1,000 - 9,999Bengaluru, India
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See all 1 projectsHappiest Minds Technologies provides digital transformation, IT consulting, and managed services. The overall feedback highlights their expertise, responsiveness, and ability to deliver high-quality solutions on time. Reviewers consistently commend their professionalism, technical knowledge, and proactive communication, making them a trusted partner for complex projects.
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UndisclosedUndisclosed50 - 249Melbourne, FL
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Launched in 1998, Convective, a midsize web development firm, is located in Melbourne, Florida. Their services include Web Development and Mobile App Development.
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$5,000+$25 - $49 / hr50 - 249
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Dynamics Intelligence Inc, an application development firm, is located in Louisville, Colorado and Stillwater, Oklahoma. Their services include Mobile App Development and Web Development.
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$25,000+$150 - $199 / hr50 - 249St Kilda, Australia
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ISystemz is a software development firm. The St Kilda, Australia-based team specializes in Custom Software Development and ERP consulting and SI.
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$5,000+$50 - $99 / hr50 - 249Las Vegas, NV
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Based in Las Vegas, Nevada, NebulaNest Tech is a web development company. They focus on Web Development and UX/UI Design and were founded in 2023.
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$5,000+$25 - $49 / hr50 - 249Dhaka, Bangladesh
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Softorax is a midsize SEO agency founded in 2019. Their services include Search Engine Optimization and Web Design.
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$1,000+$25 - $49 / hr50 - 249Panama City, Panama
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Logic Studio is a Panama City, Panama-based business intelligence company. The team provides BI & big data consulting & SI and Custom Software Development.
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$75,000+$50 - $99 / hr50 - 249Bnei Brak, Israel
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IdeoDigital is a web development firm. Headquartered in Bnei Brak, Israel, their midsize team offers Web Development and Mobile App Development. The firm was launched in 2009.
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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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$25,000+$50 - $99 / hr50 - 249Kraków, Poland
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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
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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
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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
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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
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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
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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
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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 -
$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
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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
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
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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
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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.