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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$5,000+$25 - $49 / hr10 - 49Ahmedabad, India
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Quarks Systems is a web development firm headquartered in Ahmedabad, India and London, England. Founded in 2013, the team provides Web Development and Web Design.
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$1,000+< $25 / hr10 - 49
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Located in , Outsourcing Team is a small e-commerce development firm. The team offers E-Commerce Development and Web Development.
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$10,000+$25 - $49 / hr50 - 249Novi Sad, Serbia
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Antech Consulting is a midsize website development firm headquartered in Novi Sad, Serbia. Their services include Web Development and Custom Software Development.
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$1,000+$50 - $99 / hr10 - 49Bengaluru, India
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Founded in 2019, Innovkraft Inc is a social media marketing firm. The company provides Social Media Marketing and Search Engine Optimization.
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$10,000+$25 - $49 / hr10 - 49Pune, India
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CodeBin is a web development company launched in 2014. The firm focuses on Web Development and Mobile App Development, and is small.
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$1,000+$25 - $49 / hr50 - 249
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Founded in 2018, Talrace is a midsize website development firm. Their team offers Web Development and cloud consulting & SI.
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$25,000+$50 - $99 / hr50 - 249Monterrey, Mexico
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See all 23 projectsInflection Point is a leading full service agency with more than 19 years of experience developing core technology, digital, enterprise and cybersecurity solutions. We are experts in digital
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$1,000+< $25 / hr10 - 49
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Kavelogics, a web design company, was founded in 2020. They offers Web Design and UX/UI Design.
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$5,000+$150 - $199 / hr2 - 9Lausanne, Switzerland
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Web design company Coteries SA is headquartered in Lausanne, Switzerland. They specialize in Web Design and Web Development and were established in 2012.
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$1,000+$25 - $49 / hr2 - 9London, England
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See all 1 projectsThe Pixxel Agency specializes in Website Development and Web Design, providing comprehensive and detailed proposals that cater to clients' needs. Reviewers commend the agency's creativity, patience, and excellent customer service, noting their quick turnaround and ongoing support even after project completion. Overall, clients highlight their effective communication and ability to deliver high-quality online development solutions.
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Undisclosed$50 - $99 / hr10 - 49New York, NY
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Web development company Anchor Points offers Web Development and Custom Software Development. They are based in New York, New York.
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$1,000+$50 - $99 / hr10 - 49Knurów, Poland
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WP Served - WordPress Software House is a website development firm. Established in 2009, their team focuses on Web Development and Custom Software Development.
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$10,000+Undisclosed50 - 249
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PureNet is a York, England-based e-commerce development company. Launched in 2006, the team provides E-Commerce Development and Web Development.
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$5,000+$25 - $49 / hr10 - 49Kyiv, Ukraine
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Rangein is a software development company based in Kyiv, Ukraine and München, Germany. Launched in 2021, the team offers Custom Software Development and Web Development.
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$10,000+$25 - $49 / hr10 - 49
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Based in Kyiv, Ukraine, Facility is a web development firm. Established in 2016, the team provides Web Development and E-Commerce Development.
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$5,000+$25 - $49 / hr10 - 49Maribor, Slovenia
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U-centrix d.o.o., a website development firm, was established in 2015. They specializes in Web Development and Custom Software Development.
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$5,000+$150 - $199 / hr10 - 49
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Built Mighty is a website development firm launched in 2015. The small team specializes in Web Development and Search Engine Optimization.
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$5,000+$50 - $99 / hr10 - 49Redwood City, CA
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See all 1 projectsNodeDevelop - Web development company offers comprehensive Website Development and Web Design services, specializing in custom solutions using technologies like Node.js, React.js, and Next.js. Reviews emphasize their strong project management, attention to detail, and the ability to deliver cost-effective, tailored solutions that enhance client engagement and satisfaction.
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$50,000+$25 - $49 / hr10 - 49Amsterdam, Netherlands
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Moonlabor is an user experience design agency. They specialize in UX/UI Design and Custom Software Development and are located in Amsterdam, Netherlands.
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$10,000+$25 - $49 / hr50 - 249
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COMCATER is a web design agency. The Ranchi, India-based company focuses on Web Design and IT strategy consulting.
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$10,000+$25 - $49 / hr50 - 249
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See all 3 projectsHenceForth Solutions Pvt Ltd offers mobile app development, web development, NFT marketplace development, blockchain development, AI development, and IoT solutions. The overall feedback highlights the team's knowledge, timely delivery, and effective project management. Clients appreciate their responsiveness and direct communication with the team, though some note room for improvement in documentation.
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$1,000+< $25 / hr10 - 49Bengaluru, India
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Figmatic, a web development company, was launched in 2020. The team offers Web Development and Custom Software Development and is based in Bengaluru, India.
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$1,000+$25 - $49 / hr50 - 249Paris, France
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Launched in 2007, Actency is a web development company. Their team specializes in Web Development and Digital Strategy.
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$1,000+$25 - $49 / hr2 - 9
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See all 3 projectsITLover Web Studio specializes in Website Development, Web Design, and Web Programming. The overall feedback highlights their ability to deliver projects on time and their attention to detail, resulting in improved user experiences, faster loading times, and enhanced SEO performance. Clients particularly appreciate the value for cost and effective communication throughout the project.
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$10,000+$50 - $99 / hr10 - 49Istanbul, Türkiye
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Taze is a web development firm. They are headquartered in Istanbul, Türkiye, and their services include Web Development and Mobile App Development.
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$5,000+$150 - $199 / hr10 - 49Oak Park, IL
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BannerWave is an Oak Park, Illinois-based Advertising company. They focus on Advertising and Digital Strategy and were launched in 2015.
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$1,000+$50 - $99 / hr10 - 49Glasgow , Scotland
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See all 1 projectsAxisway Scotland offers comprehensive services in Website Development, Web Design, and Mobile Application Development, focusing on creating user-centric and technically robust digital solutions. Reviews highlight their professional project management, timely delivery, and responsiveness to client needs, demonstrating a holistic approach that integrates user experience with cutting-edge technology.
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$25,000+$25 - $49 / hr250 - 999Ho Chi Minh City, Vietnam
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App development company BrickMate Group was established in 2016. The team focuses on Mobile App Development and Web Development.
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$5,000+$100 - $149 / hr50 - 249HH@Kallang, Singapore
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Headquartered in Singapore, Singapore, Verz Design is a web design company. Established in 2009, the team specializes in Web Design and Web Development.
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$5,000+$25 - $49 / hr50 - 249
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ODS Group is an IT staff augmentation company. They offer IT staff augmentation and Custom Software Development and were launched in 2012. The agency is in Sydney, Australia.
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$5,000+$100 - $149 / hr2 - 9Southwick, MA
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Lunchbreak is a web design company. The small Southwick, Massachusetts-based team provides Web Design and UX/UI Design. The agency was launched in 2017.
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$1,000+$25 - $49 / hr10 - 49Warszawa, Poland
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Aksamit Projects is a web development company. They are located in Warszawa, Poland and have small team of experts. Their services include Web Development and Mobile App Development.
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UndisclosedUndisclosed2 - 9New York, NY
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Huis Digital is a custom software development company. The firm is located in New York, New York and San Diego, California. Their services include Custom Software Development and Web Development.
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$25,000+$25 - $49 / hr10 - 49
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BAZU is a web design agency in Kyiv, Ukraine. They focus on Web Design and UX/UI Design and were founded in 2013.
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$1,000+$50 - $99 / hr2 - 9Beauvais, France
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Founded in 2015, 4gency is a small branding firm. Their team focuses on Branding and UX/UI Design.
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$10,000+$25 - $49 / hr10 - 49Princeton, NJ
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Headquartered in Tel Aviv-Yafo, Israel and Princeton, New Jersey, Ryware is a software development company. The team specializes in Custom Software Development and Web Development.
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$1,000+$25 - $49 / hr10 - 49Dubai, United Arab Emirates
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Sapienix is an UX design agency. Their small team is headquartered in Dubai, United Arab Emirates and Երևան, Armenia. Their services include UX/UI Design and Custom Software Development.
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$1,000+$50 - $99 / hr10 - 49Amsterdam, Netherlands
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Pursuit is a web development company. The agency is headquartered in Amsterdam, Netherlands. Their services include Web Development and Artificial Intelligence.
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$5,000+$25 - $49 / hr50 - 249Islamabad, Pakistan
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See all 6 projectsINFINITI SOFTWARE is a web development company specializing in custom website development, web design, and web application development. Clients consistently praised their attention to detail and project management, with 100% of reviews highlighting timely delivery and responsiveness. Their expertise in both front-end and back-end development has resulted in improved user engagement and SEO performance, making them a reliable partner for diverse web solutions.
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$10,000+< $25 / hr50 - 249
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The Knowledge Jar is a software development firm. Established in 2022, the company is based in Frisco, Texas. Their team offers Custom Software Development and Artificial Intelligence.
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$10,000+$25 - $49 / hr10 - 49
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See all 2 projectsAPI PILOT specializes in Website Development, including e-commerce solutions using WooCommerce, and offers services such as backend work, plugin integrations, site migration, maintenance, and hosting. The overall feedback emphasizes their proactive approach, honesty, and alignment with client values, though there is room for improvement in their billing process.
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$1,000+$25 - $49 / hr10 - 49Faridabad, India
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Himank Soft Solutions Private Limited is a website development company. They specialize in Web Development and API Development and were established in 2018.
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$1,000+< $25 / hr10 - 49Ahmedabad, India
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See all 1 projectsEinfonets Technologies offers Web Development, Web Design, and Custom Software/Product development services. Reviews highlight their ability to deliver clean, user-friendly interfaces and meet project goals, albeit with occasional minor delays. Clients commend their clear understanding of requirements and beneficial suggestions, making Einfonets Technologies a reliable choice for online development projects.
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$5,000+$50 - $99 / hr50 - 249Rīga, Latvia
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Located in Rīga, Latvia, IDEAPORT RIGA is a CRM consulting and SI company. Founded in 2007, the team focuses on CRM consulting and SI and Generative AI.
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$5,000+< $25 / hr250 - 999Kolkata, India
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IntersoftKK Pvt. Ltd. Is an app development company. They offer Mobile App Development and Web Development and were established in 1998.
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$5,000+$25 - $49 / hr50 - 249Lucknow, India
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Web design agency websultanate Software Technologies Pvt Ltd offers Web Design and Web Development. They are headquartered in Lucknow, India.
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$1,000+$25 - $49 / hr2 - 9Vânători, Romania
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Web Base is a web design agency. Established in 2025, the firm is based in Vânători, Romania. Their team provides Web Design and Web Development.
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$10,000+$25 - $49 / hr10 - 49Sugar Land, TX
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Founded in 2021, Kodesinc, a small website development firm, is in Sugar Land, Texas. Their services include Web Development and IT staff augmentation.
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Undisclosed$25 - $49 / hr50 - 249Hanoi, Vietnam
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See all 1 projectsPando Infinity offers comprehensive Website Development and Web Design services, integrating advanced technologies to enhance platforms. The overall feedback highlights their exceptional performance, efficient project management, and strong communication skills. Clients appreciate their professional approach and responsiveness, citing Pando Infinity as the best among offshore development companies.
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$50,000+$100 - $149 / hr10 - 49Singapore, Singapore
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PROTEUS-DT is a custom software development company. In Singapore, Singapore and Kuala Lumpur, Malaysia, the firm specializes in Custom Software Development and Web Development.
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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
39/40.019.2/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
45% Web Development60% JavaScript55% Other -
$10,000+< $25 / hr250 - 999Thiruvananthapuram, India
Ability to deliver
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
Ability to deliver
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
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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
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 -
$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 -
$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 -
$50,000+$50 - $99 / hr1,000 - 9,999L'viv, Ukraine
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38.4/40.018.6/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
21% Web Development18% JavaScript79% Other -
$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
Ability to deliver
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 - 249Cypress, 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.