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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$5,000+$150 - $199 / hr2 - 9Linz, Austria
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:WANTED Werbeagentur GmbH is a branding company in Linz, Austria. Their services include Branding and Advertising.
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Undisclosed$25 - $49 / hr10 - 49Faisalabad, Pakistan
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See all 3 projectsSoftigh offers comprehensive web development, e-commerce solutions, social media marketing, and custom web app development services. Reviewers consistently praise their excellent project management, creativity, and responsiveness. Clients highlight Softigh's ability to deliver high-quality, timely results, with a particular emphasis on their effective communication and attention to detail. Overall, Softigh is regarded as a reliable and innovative partner for digital projects.
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$10,000+$100 - $149 / hr10 - 49Singapore
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Kryst Digital is a web design company. Their small team of employees is located in Singapore and Kandy, Sri Lanka. Their team specializes in Web Design and UX/UI Design.
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$1,000+< $25 / hr2 - 9
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Small software development company Devids, is based in Veliko Tarnovo, Bulgaria. The team provides Custom Software Development and Web Development.
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$5,000+< $25 / hr10 - 49Dhaka, Bangladesh
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MadThrone is a Dhaka, Bangladesh-based custom software development company. Established in 2020, the team specializes in Custom Software Development and Web Development.
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$1,000+$25 - $49 / hr10 - 49
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Headquartered in Vadodara, India, Abhiramik Softwares is a small custom software development company. The team focuses on Custom Software Development and Web Development.
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$1,000+< $25 / hr2 - 9Surat, India
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See all 1 projectsDigiTalks Techno LLP offers services in Website Development and Web Programming, focusing on web app development and website redesign. Reviews highlight their timely delivery, flexibility for last-minute changes, and good value for cost. Customers appreciate their accommodating approach, although a suggestion for deploying more manpower was noted.
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$10,000+$25 - $49 / hr10 - 49
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See all 1 projectsARIZTECH IT SERVICES PRIVATE LIMITED specializes in providing Salesforce integration and logistical management solutions. Clients commend their glitch-free solutions, dedicated support, and effective project management, which includes AGILE methodologies. Feedback highlights their ability to enhance internal processes, improve logistics, and ensure timely project completion, making them a highly recommended service provider.
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$25,000+$50 - $99 / hr10 - 49Warszawa, Poland
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Established in 2013, IDEAS ON, a small software development firm, is based in Warszawa, Poland and Wrocław, Poland. Their services include Custom Software Development and Web Development.
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$10,000+$100 - $149 / hr10 - 49Portland, OR
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Launched in 2002, Watermelon Web Works is a web design company. The team specializes in Web Design and Web Development.
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$10,000+$150 - $199 / hr10 - 49Baltimore, MD
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Ainsley & Co. Is a Baltimore, Maryland-based Advertising company. Launched in 2010, the team offers Advertising and Marketing Strategy.
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$5,000+$50 - $99 / hr10 - 49Hoboken, NJ
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WebTitans is a web design company located in Hoboken, New Jersey. They focus on Web Design and Web Development and were founded in 2010.
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$10,000+$25 - $49 / hr10 - 49Tallinn, Estonia
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Blockchain company Kamtor was launched in 2017. The team focuses on Blockchain and Custom Software Development and is headquartered in Tallinn, Estonia.
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$5,000+$50 - $99 / hr10 - 49
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Established in 2012, Webvalley Agency, a small UX design agency, is based in Czech Republic. Their services include UX/UI Design and Digital Strategy.
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$1,000+$25 - $49 / hr10 - 49Tiranë, Albania
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E-commerce development company Evolve.al Digital Agency is based in Tiranë, Albania. They provide E-Commerce Development and Web Development and were founded in 2008.
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$1,000+$25 - $49 / hr10 - 49Jaipur, India
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Bel Technology is an application development company. They are based in Jaipur, India. Their team specializes in Mobile App Development and Search Engine Optimization.
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$1,000+$25 - $49 / hr10 - 49Delhi, India
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Launched in 2012, Estivasoftech is a custom software development company. The team provides Custom Software Development and E-Commerce Development and is in Delhi, India.
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$5,000+< $25 / hr10 - 49Chennai, India
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Established in 2015, Piccosoft Software Labs Pvt Ltd, a small mobile application development company, is located in Chennai, India. Their team focuses on Mobile App Development and Web Development.
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$1,000+$100 - $149 / hr10 - 49Kuala Lumpur, Malaysia
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Webz Design and Solutions Sdn Bhd, a web design agency, was launched in 2004. The small team specializes in Web Design and Web Development.
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UndisclosedUndisclosed10 - 49Mumbai, India
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Leeway Softech Pvt Ltd, a software development firm, is in Mumbai, India and Noida, India. The team provides Custom Software Development and Web Development.
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$1,000+< $25 / hr10 - 49
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GS Web Technologies is a small social media marketing agency launched in 2012. Their services include Social Media Marketing and Search Engine Optimization.
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UndisclosedUndisclosed10 - 49Telde, Spain
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Based in Telde, Spain and Berlin, Germany, Calima Solutions is a SEO services firm. The team provides Search Engine Optimization and Custom Software Development.
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Undisclosed$25 - $49 / hr10 - 49Rajkot, India
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Founded in 2014, WP Small Fix is a web development firm. Based in Rajkot, India, the team specializes in Web Development and E-Commerce Development.
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UndisclosedUndisclosed10 - 49Chennai, India
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Gem3s Technologies is a software development company. The Chennai, India-based agency was established in 2009. Their team focuses on Custom Software Development and Web Development.
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$1,000+$25 - $49 / hr10 - 49
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Weballures Pvt Ltd, a web development company, was founded in 2014. They offers Web Development and Mobile App Development.
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$1,000+$50 - $99 / hr10 - 49
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Jussure Technologies, a web design agency, was established in 2024. The team specializes in Web Design and Web Development.
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Undisclosed$50 - $99 / hr10 - 49Algueirão-Mem Martins, Portugal
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Small custom software development company Controlink, is in Algueirão-Mem Martins, Portugal. The team provides Custom Software Development and Web Development.
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$1,000+Undisclosed10 - 49South Orange, NJ
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LeapEngine is a social media marketing firm launched in 2023. The small team provides Social Media Marketing and Search Engine Optimization.
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$5,000+$50 - $99 / hr10 - 49
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Headquartered in Leeds, Andorra, Sculpt Digital Ltd. Is a Conversion Optimization company. Their services include Conversion Optimization and Pay Per Click.
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$1,000+$50 - $99 / hr10 - 49
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Boyshero is a branding firm. Established in 2021, the company is located in Dhaka, Bangladesh. Their team offers Branding and Social Media Marketing.
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UndisclosedUndisclosed250 - 999Jacksonville, FL
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Founded in 2010, Prism IT Corp., a midsize IT staff augmentation company, is headquartered in Jacksonville, Florida. Their team specializes in IT staff augmentation and Custom Software Development.
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UndisclosedUndisclosed250 - 999
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Web Tech Expert BD is a midsize SEO services firm headquartered in. Their services include Search Engine Optimization and UX/UI Design.
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$1,000+$25 - $49 / hr50 - 249New Delhi, India
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Located in Locust Fork, Alabama and New Delhi, India, Webnetsofts is a midsize SEO services firm. Their services include Search Engine Optimization and Web Design.
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$1,000+$50 - $99 / hr2 - 9Warszawa, Poland
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ViewOne is a web design agency. Founded in 2013, the team provides Web Design and Web Development.
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$1,000+$25 - $49 / hr10 - 49Panamá, Panama
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See all 2 projectsAt Corporate TIC, we bring over 7 years of experience delivering high-level services in custom software development, mobile app development (Android & iOS), eCommerce platforms, API
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$1,000+$25 - $49 / hr10 - 49Kota, India
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See all 1 projectsZillionEra offers website development services with a specialization in Shopify. Reviews indicate that the company excels in project management, with a responsive and understanding team that effectively communicates and meets project requirements. Overall, clients have experienced positive outcomes, including increased sales, and commend the team's availability and problem-solving approach.
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$10,000+$100 - $149 / hr2 - 9Farmington, UT
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Burstware is a custom software development company. Launched in 2019, the team offers Custom Software Development and IoT development. The company is located in Farmington, Utah.
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$1,000+< $25 / hr2 - 9
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See all 1 projectsRiauwebhost Indonesia offers Website Development and SEO services, with a focus on delivering detailed projects and contemporary web designs. Reviews highlight the company's fast and responsive communication, effective SEO results, and efficient project management, making them a reliable choice for web programming needs. Their services are valued for offering good pricing and fitting customer budgets.
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$5,000+$25 - $49 / hr50 - 249New Town, India
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Established in 2012, Web Idea Solution is a midsize custom software development firm. Their services include Custom Software Development and Web Development.
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$5,000+$25 - $49 / hr2 - 9Kolkata, India
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Quinch Systems Private Limited is a small Kolkata, India-based software development company. The team offers Custom Software Development and Web Development.
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$1,000+< $25 / hr2 - 9
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Kaal coders is a web design company launched in 2022. The small team specializes in Web Design and UX/UI Design.
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$1,000+$50 - $99 / hr2 - 9
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Launched in 2022, Vinetrix IT Solutions, a small software development firm, is in Accra, Ghana. Their team focuses on Custom Software Development and E-Commerce Development.
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$10,000+$100 - $149 / hr10 - 49Toronto, Canada
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Deskree Studio — Out of Business, a mobile app development firm, was founded in 2015. The team focuses on Mobile App Development and Web Development and is headquartered in Toronto, Canada.
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$1,000+$50 - $99 / hr2 - 9Taipei City, Taiwan
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UX agency Able Studio was launched in 2017. The firm provides UX/UI Design and Web Development, and is small.
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$5,000+$100 - $149 / hr2 - 9Beograd, Serbia
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CodeFavorite, an AI company, is headquartered in Beograd, Serbia. They specialize in Artificial Intelligence and Custom Software Development.
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$25,000+$25 - $49 / hr2 - 9Sheridan, WY
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Headquartered in Sheridan, Wyoming and Vadodara, India, Prexel is a small IT staff augmentation company. The team offers IT staff augmentation and Business Consulting.
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$1,000+$50 - $99 / hr10 - 49Sacramento, CA
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See all 1 projectsAt Rysysth Technologies, we design and build AI systems that bring automation, intelligence, and adaptability to businesses ready to lead — not lag.From copilots to custom AI agents, from
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$5,000+$25 - $49 / hr10 - 49Sahibzada Ajit Singh Nagar, India
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See all 1 projectsUimatic provides web and app development, cloud deployment, security implementation, and AI support services. Reviews highlight their strong communication skills, adherence to coding standards, and scalable solutions. Clients appreciate their reliability, custom feature development, and the team's commitment to meeting deadlines and maintaining system uptime.
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$1,000+< $25 / hr10 - 49Surat, India
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See all 1 projectsIndent Technologies LLP specializes in developing robust and scalable backend solutions, particularly utilizing Python and Django, for mobile applications. The reviews highlight the company's technical expertise, commitment to quality, and effective project management, with clients praising their seamless communication and proactive problem-solving. While there is room for improvement in documentation and post-launch support, their dedication to client success and ability to deliver efficient solutions make them a highly recommended partner.
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$5,000+< $25 / hr10 - 49Kyiv, Ukraine
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Team for Product is an app development firm headquartered in Kyiv, Ukraine. Established in 2014, the team offers Mobile App Development and Web Development.
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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 -
$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
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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
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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
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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 -
$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.