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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$1,000+$25 - $49 / hr10 - 49Parramatta, Australia
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E-commerce development firm Brain Stream was launched in 2000. The agency provides E-Commerce Development and Mobile App Development.
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$1,000+$25 - $49 / hr50 - 249Maple Grove, MN
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It Outsourcing China is a website development company. The agency is located in Maple Grove, Minnesota and Ahmedabad, India. Their team focuses on Web Development and Mobile App Development.
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$1,000+< $25 / hr50 - 249
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Appcrates is an app development company. The team specializes in Mobile App Development and Web Development and is headquartered in Stockholm, Sweden and Lahore, Pakistan.
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$1,000+< $25 / hr50 - 249
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Established in 2008, Q-Solutions is a midsize mobile application development company. Their services include Mobile App Development and Custom Software Development.
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UndisclosedUndisclosedFreelancer
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Crane Interactive Ltd is a web development firm. Based in Cranbrook, England and England, the team provides Web Development and Custom Software Development.
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$25,000+$100 - $149 / hrFreelancerAradippou, Cyprus
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Next Level International Software is a website development firm. The Aradippou, Cyprus-based company offers Web Development.
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$1,000+$25 - $49 / hrFreelancerWierzchosławice, Poland
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Scroll-Lock – Tymoteusz Czech, a website development company, is located in Wierzchosławice, Poland. Established in 2018, the team focuses on Web Development and Custom Software Development.
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$1,000+$100 - $149 / hrFreelancerSomerset, KY
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Superfab Digital is a web design agency and web development company. They were established in 2017, and their services include Web Design and Web Development.
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$10,000+$50 - $99 / hr50 - 249Erlangen, Germany
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Cognitionteam is a Midwest City, Oklahoma-based software development firm. They offer Custom Software Development and Web Development and were launched in 2018.
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$10,000+$25 - $49 / hr50 - 249Fairfax, VA
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CLOUDIUM SOFTWARE is a custom software development company. The company is based in Fairfax, Virginia and Kochi, India. Their team specializes in Custom Software Development and Web Development.
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$5,000+$25 - $49 / hr50 - 249Frederick, MD
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UX company Cyberx Info System was launched in 2017. The agency focuses on UX/UI Design and Web Development.
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$5,000+< $25 / hr50 - 249
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Adept Data Services is a web design agency. They are in New Delhi, India and have midsize team. They provide Web Design and Web Development.
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UndisclosedUndisclosed50 - 249
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Avidity india, a website development firm, was founded in 2018. The team specializes in Web Development and Mobile App Development and is located in Delhi, India and New Delhi, India.
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$10,000+$25 - $49 / hr50 - 249Noida, India
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Techmave Software is an app development company. The agency is headquartered in Noida, India and Mountain View, California. Their team specializes in Mobile App Development and Web Development.
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$1,000+$50 - $99 / hr2 - 9
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Website development firm Carefully Coded is in Ipswich, England. They provide Web Development and UX/UI Design and were established in 2022.
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$1,000+$25 - $49 / hr2 - 9Athina, Greece
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UX company Athens Web is headquartered in Athina, Greece. The team offers UX/UI Design and Graphic Design.
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$1,000+$25 - $49 / hr10 - 49Dubai, United Arab Emirates
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See all 1 projectsWe are a web development company specializes in creating custom websites and applications designed to elevate online presence, enhance user experience, and drive business success. With our
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$1,000+$50 - $99 / hr10 - 49
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ERP consulting and SI company Primepeak marketing specializes in ERP consulting and SI and Enterprise App Modernization. They were founded in 2023.
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$1,000+< $25 / hr2 - 9
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See all 4 projectsArwa Digital specializes in website development, web design, and online development services, including SEO and digital marketing. Reviews consistently highlight their exceptional project management, responsiveness, and ability to deliver customized solutions that enhance online sales and brand presence. Clients are particularly impressed with their attention to detail and ability to translate business needs into effective digital strategies.
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Undisclosed< $25 / hr10 - 49Bahadurgarh, India
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Founded in 2018, Walk N Star is a SEO services firm. The team specializes in Search Engine Optimization and Social Media Marketing and is located in Bahadurgarh, India.
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UndisclosedUndisclosed10 - 49
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Arpen Technologies is a custom software development company. The team specializes in Custom Software Development and Mobile App Development, and the firm is in Barcelona, Spain.
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$1,000+$25 - $49 / hr10 - 49Lee's Summit, MO
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BrandJaws, a website development firm, was launched in 2011. The team offers Web Development and Search Engine Optimization and is based in Lee's Summit, Missouri and Lahore, Pakistan.
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$1,000+< $25 / hr10 - 49Surat, India
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Sarvagya Softtech is a mobile application development company. Established in 2023, their team focuses on Mobile App Development and Web Development.
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$1,000+$50 - $99 / hr10 - 49Newark, DE
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WNA InfoTech is a branding firm in Newark, Delaware and Ahmedabad, India. They specialize in Branding and Social Media Marketing and were established in 2018.
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$1,000+< $25 / hr10 - 49
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In Indore, India, BrainyTech is a web development firm. Launched in 2021, the team provides Web Development and Mobile App Development.
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Undisclosed$25 - $49 / hr50 - 249
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SoftBistro is a midsize San Francisco, California-based custom software development company. The team offers Custom Software Development and Application Management & Support.
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UndisclosedUndisclosed50 - 249
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Launched in 2005, Aximsoft, a midsize app development firm, is in San Ramon, California. Their services include Mobile App Development and Web Development.
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$5,000+UndisclosedFreelancerPerth, Australia
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Thriving Web Design is a SEO services firm. Their small team is in Perth, Australia and focuses on Search Engine Optimization and Web Design. The agency was established in 2020.
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$5,000+$100 - $149 / hr2 - 9
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Webbed Feet UK is a web development company. Established in 2001, the company specializes in Web Development and Web Design.
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$1,000+$25 - $49 / hr2 - 9
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See all 1 projectsCloveloop is a web development and digital design service that creates static websites for small to medium-sized businesses, with a focus on performance optimization and modern design principles.
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Undisclosed$25 - $49 / hr2 - 9
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Website development company QuirkyConcepts.io is based in Gujranwala, Pakistan. They offer Web Development and Mobile App Development.
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$25,000+$50 - $99 / hr50 - 249Beograd, Serbia
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Cubes is a Beograd, Serbia-based software development company. Founded in 2015, the team provides Custom Software Development and Web Development.
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$10,000+$100 - $149 / hr2 - 9Mount Forest, Canada
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Grafite Inc is a software development firm. Located in Mount Forest, Canada, the company was founded in 2015. Their services include Custom Software Development and Web Development.
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$1,000+< $25 / hr2 - 9Ahmedabad, India
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Webyug Infonet LLP, a data analytics company, is based in Ahmedabad, India. Launched in 2018, the team focuses on BI & big data consulting & SI and Web Development.
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$10,000+Undisclosed2 - 9Edinburgh, Scotland
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UX company Design33 was established in 2011. The firm focuses on UX/UI Design and Branding.
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$5,000+$25 - $49 / hr10 - 49München, Germany
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See all 1 projectsApp3null specializes in mobile app development, demonstrating a high level of expertise and attention to detail. Clients appreciate their professionalism, effective communication, and the quality of the final product. Overall, App3null has received positive feedback for their passion and impressive project management skills, leading to successful and timely project deliveries.
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$75,000+Undisclosed10 - 49Dubai, United Arab Emirates
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DevDynamics is a software development firm. Their small team is located in Dubai, United Arab Emirates. Their services include Custom Software Development and Web Development.
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$1,000+$50 - $99 / hr2 - 9Greer, SC
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Web Developer OC, a web development firm, is headquartered in Greer, South Carolina. Their services include Web Development and Web Design.
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$50,000+$25 - $49 / hr50 - 249
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See all 1 projectsIT FUTURE FARM SRL specializes in developing automation software to improve workflow efficiency, particularly helping clients transition from manual to automated document processing. The reviews consistently highlight the company's remarkable creativity, high-quality results, and rapid project completion, which have exceeded client expectations.
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$1,000+$50 - $99 / hr10 - 49Sylhet, Bangladesh
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Muntasir Mahdi is a branding agency. Established in 2017, the agency is based in Sylhet, Bangladesh. Their services include Branding and Email Marketing.
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$1,000+$50 - $99 / hrFreelancerTrowbridge, England
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Tom Beavan Websites is a website development company. In Trowbridge, England, the agency was launched in 2018. Their services include Web Development and Web Design.
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$1,000+$25 - $49 / hr10 - 49Dhaka, Bangladesh
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Devpixels is an e-commerce development company established in 2018. The firm focuses on E-Commerce Development and Ecommerce Marketing, and is small.
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UndisclosedUndisclosed10 - 49Karachi, Pakistan
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Social media marketing firm FUXAC offers Social Media Marketing and E-Commerce Development. They were established in 2020.
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$10,000+$100 - $149 / hr2 - 9Tampa, FL
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Resovere is a Digital Strategy company. The Tampa, Florida-based agency was founded in 2017. Their services include Digital Strategy and Web Design.
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$1,000+$25 - $49 / hr2 - 9Mumbai, India
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See all 2 projectsWordPress Webers specializes in Website Development, including Web Design and Online Development, focusing on SEO optimization, loading speed, and user-friendliness. Overall, clients praise their professional project management, attention to detail, and commitment to customer satisfaction, while minor improvements could include expanding their team to handle larger workloads.
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$1,000+< $25 / hr2 - 9Ahmedabad, India
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SmartBytes Technologies is a web development firm in Ahmedabad, India. Their services include Web Development and Custom Software Development.
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$1,000+< $25 / hr2 - 9New Delhi, India
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Wiztex Solutions, a web development firm, is headquartered in New Delhi, India. They provide Web Development and Mobile App Development and were launched in 2020.
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$5,000+< $25 / hr10 - 49Toronto, Canada
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See all 1 projectsTechrangle Inc. specializes in real estate digital marketing, with a focus on lead generation and cost-efficient marketing strategies. Reviews highlight the company's rapid support, technical expertise, and effective results, such as generating over 600 leads per month with a 5% conversion rate. Clients commend the team's responsiveness, in-depth industry knowledge, and seamless workflow.
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$1,000+$25 - $49 / hr50 - 249Vadodara, India
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Megh Technologies India Pvt Ltd is a Digital Strategy company established in 2007. The midsize team provides Digital Strategy and UX/UI Design.
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$25,000+$50 - $99 / hr10 - 49New York, NY
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Vartheta, a web development firm, is in New York, New York and Houston, Texas. The team provides Web Development and Digital Strategy.
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List of the Top 15 JavaScript Development Companies
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$25,000+$50 - $99 / hr50 - 249Kraków, Poland
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$75,000+$100 - $149 / hr50 - 249Vancouver, Canada
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
90% Web Development50% JavaScript10% Other -
$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
45% Web Development75% JavaScript55% Other -
$10,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.4/40.019.6/20 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
Ability to deliver
39.5/40.020/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
50% Web Development35% JavaScript50% Other -
$5,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
36.9/40.018/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$50,000+$100 - $149 / hr1,000 - 9,999San Francisco, CA
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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
Ability to deliver
39.3/40.020/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
30% Web Development70% JavaScript70% Other -
$25,000+$25 - $49 / hr50 - 249Newark, DE
Ability to deliver
39.8/40.019.8/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
40% Web Development35% JavaScript60% Other -
$5,000+$50 - $99 / hr50 - 249Chicago, IL
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
35% Web Development40% JavaScript65% Other -
$10,000+$25 - $49 / hr250 - 999San Francisco, CA
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
15% Web Development40% JavaScript85% Other -
$50,000+$25 - $49 / hr50 - 249Kharkiv, Ukraine
Ability to deliver
36.8/40.017/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
45% Web Development50% JavaScript55% Other -
$10,000+< $25 / hr250 - 999Kolkata, India
Ability to deliver
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
Ability to deliver
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
Ability to deliver
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
Ability to deliver
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.