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+$100 - $149 / hrFreelancerTewkesbury, England
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King Of Web Designs, a web design agency, is in Tewkesbury, England. Launched in 2020, the team provides Web Design and Web Development.
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$1,000+< $25 / hrFreelancerBacău, Romania
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Founded in 2021, Webby Art is a web development company. The team provides Web Development and UX/UI Design.
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$25,000+$50 - $99 / hr50 - 249Łódź, Poland
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Established in 2009, Listonic dev is a mobile app development firm. The midsize team offers Mobile App Development and Custom Software Development.
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$1,000+$200 - $300 / hrFreelancerBaytown, TX
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Purple Pixel Studio is a web development firm founded in 2022. The team offers Web Development and Search Engine Optimization.
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Undisclosed$25 - $49 / hrFreelancer
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Founded in 2023, Brain mantis is a web design company and web development firm. The team specializes in Web Design and Web Development and is located in Kakkanad, India.
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$1,000+< $25 / hrFreelancerDelhi, India
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Web development firm Webmakers Studio is based in Delhi, India. The team offers Web Development and Web Design.
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Undisclosed$25 - $49 / hrFreelancer
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Pactech is a software development company. The firm offers Custom Software Development and Web Development.
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$1,000+$25 - $49 / hr50 - 249
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See all 2 projectsOptima Solutions provides specialized services in Website Development and Web Programming, focusing on creating user-friendly web applications and plugins. Client reviews highlight their responsive customer service, timely project delivery, and strong support during and after development phases. Their work is characterized by fast, efficient web solutions and well-documented, bug-free code, making them a reliable choice for Web Development needs.
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$10,000+$50 - $99 / hr10 - 49Barcelona, Spain
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BITOTEK, an app development company, is based in London, England and Barcelona, Spain. The team specializes in Mobile App Development and Web Development.
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$5,000+$25 - $49 / hr10 - 49Noida, India
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Custom software development company Peytonsoft Technology Pvt Ltd was founded in 2015. The team focuses on Custom Software Development and Mobile App Development and is headquartered in Noida,
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$5,000+$50 - $99 / hr2 - 9
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Austral Design Co is an e-commerce development company. Founded in 2012, the company is located in Medellín, Colombia. Their team focuses on E-Commerce Development and Search Engine Optimization.
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$1,000+$50 - $99 / hr2 - 9
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Established in 2021, Many Rocket is a small Lewes, Delaware-based Conversion Optimization company. Their team provides Conversion Optimization and Search Engine Optimization.
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$5,000+$100 - $149 / hr10 - 49
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See all 1 projectsAppear Tech specializes in Website Development and Web Design, offering services that include web programming and SEO optimization. Their reviews highlight customer satisfaction with their responsive web design and the significant online traffic generated through their SEO strategies. Clients commend their excellent communication, timely delivery, and value-driven services, making them a reliable partner for web-related projects.
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$1,000+$200 - $300 / hr10 - 49Lahore, Pakistan
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Located in Lahore, Pakistan, Ks-Technology is a SEO company. Their services include Search Engine Optimization and UX/UI Design.
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$1,000+< $25 / hr50 - 249Indore, India
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TekIT Software Solutions Pvt. Ltd. (India & USA) is an IT staff augmentation company founded in 2018. Their services include IT staff augmentation and Custom Software Development.
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$1,000+< $25 / hr50 - 249
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ThinkBI Tech is a software development company. The team offers Custom Software Development and Mobile App Development, and the agency is located in Indore, India.
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$1,000+< $25 / hr10 - 49Lahore, Pakistan
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Tetrahex is a website development firm launched in 2015. The small team provides Web Development and E-Commerce Development.
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$1,000+$25 - $49 / hr10 - 49Jaipur, India
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MaxBrain Technologies, an app development firm, was founded in 2018. The firm provides Mobile App Development and Web Development.
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$10,000+$25 - $49 / hr10 - 49Chennai, India
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Brown Button Technologies, a software development firm, is located in Chennai, India. They specialize in Custom Software Development and Web Development and were launched in 2017.
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Undisclosed< $25 / hr10 - 49
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Calipus Software Pvt Ltd is a software development firm. Launched in 2010, the firm specializes in Custom Software Development and Application Management & Support.
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UndisclosedUndisclosed10 - 49Skopje, North Macedonia
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Fabricca is a branding company. Founded in 2013, the team focuses on Branding and Graphic Design. The firm is based in Skopje, North Macedonia.
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$5,000+$25 - $49 / hr2 - 9Dallas, TX
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QubitX is an AI development company. They are headquartered in Dallas, Texas and Islamabad, Pakistan, and their services include Artificial Intelligence and Generative AI.
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$5,000+$50 - $99 / hr2 - 9
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Founded in 2022, Invorious is an user experience company. The team provides UX/UI Design and Custom Software Development and is headquartered in Pyrmont, Australia and Bogota, Colombia.
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$1,000+$25 - $49 / hr10 - 49Jaipur, India
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Nexon Media is an e-commerce development firm. Their small team is located in Jaipur, India. Their services include E-Commerce Development and Web Development.
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$1,000+$25 - $49 / hr10 - 49Plano, TX
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CoderzHub is an application development firm. They were established in 2019, and their services include Mobile App Development and Web Development.
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$5,000+$50 - $99 / hr2 - 9Malo, Italy
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Branding firm Evisole Studio Associato is located in Malo, Italy and Vicenza, Italy. They offer Branding and Social Media Marketing and were launched in 2003.
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$1,000+$100 - $149 / hrFreelancerNairobi, Kenya
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Based in Nairobi, Kenya, SoftMas Solutions KE is a website development company. They provide Web Development and Custom Software Development.
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$5,000+$100 - $149 / hr10 - 49Vancouver, Canada
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Web design company PilotStar™ Media is based in Vancouver, Canada. Launched in 1999, the team provides Web Design and Branding.
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$10,000+$100 - $149 / hr10 - 49
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See all 1 projectsJupiter Consulting Advisers SL provides comprehensive Website Development and Web Design services, including the creation of platforms for minting NFTs and managing customer contracts via CRM and ERP systems. Overall feedback highlights their creativity, timely delivery, and effective project management, making them a reliable partner for web programming and online development projects.
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$1,000+$25 - $49 / hr2 - 9București, Romania
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Launched in 2023, ayb - Professional Digital & Software Development Company is a website development company. Their services include Web Development and Email Marketing.
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$25,000+$100 - $149 / hr10 - 49Vicente López, Argentina
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Manas.Tech is a custom software development firm headquartered in Seattle, Washington and Toronto, Canada. Their services include Custom Software Development and Mobile App Development.
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$5,000+$50 - $99 / hr2 - 9Mons, Belgium
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Alpaga is a branding firm. Based in Mons, Belgium and Ho chi minh city, Vietnam, their small team offers Branding and Web Design. The firm was established in 2012.
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$5,000+$50 - $99 / hr2 - 9Afton, WY
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Gliffen Designs is a small web design company launched in 2006. Their services include Web Design and Web Development.
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$1,000+$100 - $149 / hr2 - 9Vernon, Canada
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Lesia Design and Digital is a website development firm founded in 2006. The agency specializes in Web Development and Web Design.
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$5,000+$50 - $99 / hr2 - 9
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BAVOKO, a Conversion Optimization company, was founded in 2018. The small team focuses on Conversion Optimization and Search Engine Optimization.
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$1,000+$50 - $99 / hr2 - 9Vantaa, Finland
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Helpotkotisivut.fi, a SEO agency, specializes in Search Engine Optimization and Conversion Optimization. The firm is based in Vantaa, Finland.
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$1,000+$100 - $149 / hr2 - 9Liverpool, NY
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ACS Web Design & SEO is a website development company. The Liverpool, New York-based agency was launched in 1998. Their team focuses on Web Development and Web Design.
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UndisclosedUndisclosed2 - 9Debrecen, Hungary
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Founded in 2016, AppCorner is an app development company. The agency specializes in Mobile App Development and Web Development.
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$10,000+$100 - $149 / hr2 - 9Lacey Green, England
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Brandon Cross is a software development firm. They are headquartered in Lacey Green, England, and their services include Custom Software Development and Web Development.
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$5,000+$50 - $99 / hr2 - 9Killarney, Ireland
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Egg Web Design & Development is a web development company. The Killarney, Ireland-based team offers Web Development and Web Design.
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$1,000+$50 - $99 / hr2 - 9
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Established in 2016, Universal Equations, Inc. Is a web design company. Their team provides Web Design and Custom Software Development.
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$5,000+$25 - $49 / hr2 - 9Ahmedabad, India
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Creative UI Design LLC is an user experience agency. Their small team is based in Ahmedabad, India and focuses on UX/UI Design and Web Development. The agency was established in 2022.
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$5,000+$25 - $49 / hr2 - 9Bratislava, Slovakia
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Nextio is an user experience design company. Their small team of employees is headquartered in Bratislava, Slovakia. Their team offers UX/UI Design and Web Development.
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UndisclosedUndisclosed2 - 9Hamburg, Germany
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ReductStore is a cloud consulting & SI company. They focus on cloud consulting & SI and Web Development and are headquartered in Hamburg, Germany.
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UndisclosedUndisclosed2 - 9Prudenville, MI
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WSI Digital is a Prudenville, Michigan-based website development firm. They focus on Web Development and AI Consulting and were founded in 2007.
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$1,000+$100 - $149 / hr10 - 49Kozhikode, India
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See all 1 projectsNolwa Private Limited offers Website Development and Web Design services, demonstrating expertise in delivering digital transformation solutions. Reviews highlight their effective project management, cost efficiency, and responsive support team, showcasing a strong commitment to client satisfaction and innovative solutions.
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$25,000+$25 - $49 / hr10 - 49Chennai, India
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See all 1 projectsCoderz Vision Technology specializes in Website Development and Web Design, delivering projects with a clean look and feel. Reviews highlight the company's customer-centric approach, timely delivery, and effective project management. Clients appreciate their smooth execution and the team's consistent support and guidance throughout the development process.
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$1,000+$25 - $49 / hr10 - 49Madurai, India
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Lodestone App is a small website development firm in Madurai, India. Their services include Web Development and Web Design.
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$1,000+$25 - $49 / hr10 - 49Mumbai, India
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Vkart Info Solutions is a custom software development firm based in Mumbai, India. The team provides Custom Software Development and Web Design.
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$1,000+< $25 / hr10 - 49Lucknow, India
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New Way Infotech Private Limited is a CRM consulting and SI company. Based in Lucknow, India, their team provides CRM consulting and SI and E-Commerce Development.
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List of the Top 15 JavaScript Development Companies
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$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
50% Web Development70% JavaScript50% Other -
$25,000+$50 - $99 / hr50 - 249Kraków, Poland
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$75,000+$100 - $149 / hr50 - 249Vancouver, Canada
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
90% Web Development50% JavaScript10% Other -
$10,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.4/40.019.6/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
45% Web Development60% JavaScript55% Other -
$10,000+< $25 / hr250 - 999Thiruvananthapuram, India
Ability to deliver
37.7/40.018.4/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
50% Web Development50% JavaScript50% Other -
$10,000+Undisclosed50 - 249San Francisco, CA
Ability to deliver
38.9/40.019.6/20 Reviews9.6/10 Clients & Experience9.7/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$10,000+$50 - $99 / hr50 - 249Montevideo, Uruguay
Ability to deliver
39.3/40.019.8/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
50% Web Development35% JavaScript50% Other -
$50,000+$100 - $149 / hr1,000 - 9,999San Francisco, CA
Ability to deliver
39.9/40.020/20 Reviews9.9/10 Clients & Experience10/10 Market PresenceService focus
15% Web Development25% JavaScript85% Other -
$5,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
36.9/40.018/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$25,000+$25 - $49 / hr50 - 249Newark, DE
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
40% Web Development35% JavaScript60% Other -
$10,000+$50 - $99 / hr50 - 249Kuala Lumpur, Malaysia
Ability to deliver
39.3/40.020/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
30% Web Development70% JavaScript70% Other -
$5,000+$50 - $99 / hr50 - 249Chicago, IL
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
35% Web Development40% JavaScript65% Other -
$10,000+$25 - $49 / hr250 - 999San Francisco, CA
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
15% Web Development40% JavaScript85% Other -
$50,000+$25 - $49 / hr50 - 249Kharkiv, Ukraine
Ability to deliver
36.8/40.017/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
45% Web Development50% JavaScript55% Other -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
36.8/40.017.2/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$1,000+< $25 / hr250 - 999Walpole, MA
Ability to deliver
35.9/40.016.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
40% Web Development35% JavaScript60% Other -
$50,000+$50 - $99 / hr1,000 - 9,999L'viv, Ukraine
Ability to deliver
38.8/40.019/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
21% Web Development18% JavaScript79% Other -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
37.2/40.018.2/20 Reviews10/10 Clients & Experience9/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$25,000+$50 - $99 / hr1,000 - 9,999New York, NY
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Web Development33% JavaScript90% Other -
$10,000+$25 - $49 / hr250 - 999New York, NY
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
30% Web Development15% JavaScript70% Other -
$10,000+< $25 / hr250 - 999Kolkata, India
Ability to deliver
36.3/40.019/20 Reviews9/10 Clients & Experience8.4/10 Market PresenceService focus
35% Web Development30% JavaScript65% Other -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
65% Web Development20% JavaScript35% Other -
$10,000+$25 - $49 / hr1,000 - 9,999Plano, TX
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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
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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
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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.