Top JavaScript Developers
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$5,000+$25 - $49 / hr50 - 249Ho Chi Minh, Vietnam
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Website development firm gumi Vietnam was launched in 2012. The team provides Web Development and Mobile App Development and is based in Ho Chi Minh, Vietnam.
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$10,000+$25 - $49 / hr2 - 9
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Founded in 2015, IT Brains, a small custom software development company, is headquartered in Paris, France. Their services include Custom Software Development and Web Development.
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$5,000+$100 - $149 / hr2 - 9Treviglio, Italy
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Web design agency badgedealers was established in 2015. The company offers Web Design and Web Development, and is small.
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$1,000+< $25 / hr2 - 9Dhaka, Bangladesh
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Theshahriyar, a web design agency, specializes in Web Design and Web Development. The company is headquartered in Dhaka, Bangladesh.
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$1,000+< $25 / hr2 - 9Kyiv, Ukraine
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Launched in 2017, Treba Solutions is a website development company. In Kyiv, Ukraine, the team focuses on Web Development and Custom Software Development.
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$10,000+$100 - $149 / hr2 - 9London, England
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Ministry is a small web design agency founded in 1998. Their team offers Web Design and Web Development.
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$10,000+Undisclosed50 - 249Bengaluru, India
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Cloudesign Technology Solutions Pvt. Ltd. Is a Robotics Process Automation company founded in 2016. Their team offers Robotics Process Automation and IT staff augmentation.
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$10,000+$150 - $199 / hr2 - 9Docklands, Australia
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Dot The i Studio is a web design agency. They offer Web Design and Web Development and are located in Docklands, Australia and Dunedin, New Zealand.
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$1,000+< $25 / hr10 - 49Rajkot, India
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Cloudedots Tech LLP, a custom software development company, was established in 2018. The company provides Custom Software Development and UX/UI Design.
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$1,000+$25 - $49 / hr2 - 9Varna, Bulgaria
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Web development company Codopolis is located in Varna, Bulgaria. They focus on Web Development and UX/UI Design.
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$5,000+$100 - $149 / hrFreelancer
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Slurve is a website development company. The team offers Web Development and Web Design, and the firm is based in Philadelphia, Pennsylvania.
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$10,000+$50 - $99 / hr50 - 249Carbondale, IL
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See all 1 projectsOptimusFox provides innovative blockchain solutions, including Dapp development on the Solana Blockchain. Their projects often involve integrating blockchain technology with platforms like Telegram. Reviews highlight their professional communication, technical skills, and ability to deliver projects on time, underscoring their strong alignment with client values and budget considerations.
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Undisclosed$25 - $49 / hr50 - 249
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HighTech Kaunas Cluster is a SEO services firm. They specialize in Search Engine Optimization and UX/UI Design and are headquartered in Kaunas, Lithuania.
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Undisclosed$25 - $49 / hr50 - 249Ahmedabad, India
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Moltech Solutions is a web development firm located in Ahmedabad, India. Established in 2014, the team focuses on Web Development and Mobile App Development.
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$10,000+$50 - $99 / hr10 - 49Weston, FL
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Established in 2006, TakeFortyTwo is an e-commerce development company. The company provides E-Commerce Development and Email Marketing.
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$5,000+< $25 / hr10 - 49Thiruvananthapuram, India
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See all 2 projectsSimplogics Solutions Pvt Ltd is a web development company specializing in product builds and soft launches. The reviews highlight their competitive pricing and expertise in MongoDB and big data analytics, with 100% positive feedback on their ability to resolve technical issues promptly. Some clients noted minor scheduling challenges, but overall satisfaction with their service and experience.
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$5,000+$25 - $49 / hr50 - 249Odesa, Ukraine
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ARMAR Solutions is a midsize Digital Strategy company in Odesa, Ukraine. Their services include Digital Strategy and Email Marketing.
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$1,000+$50 - $99 / hr2 - 9Manchester, England
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Web design company Spotlight Studios specializes in Web Design and Web Development. They are located in Manchester, England and Bradford, England.
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$1,000+$25 - $49 / hr10 - 49Rybnik, Poland
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JohnCube, a software development firm, was launched in 2019. The team offers Custom Software Development and Web Development.
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$1,000+$50 - $99 / hr10 - 49Quezon City, Philippines
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Established in 2006, Sytian Productions is a web design company. The agency provides Web Design and Custom Software Development.
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$5,000+$25 - $49 / hr10 - 49Novi Sad, Serbia
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See all 1 projectsInviggo is a company that specializes in developing high-quality web and mobile solutions. We do everything from ideation, project scoping, team organization, to the development, testing, and
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$10,000+$50 - $99 / hr50 - 249
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See all 1 projectsWebevis Technologies offers digital marketing services, including SEO management, social media management, website creation, and content creation. Overall feedback indicates strong client satisfaction, highlighting their commitment to transparency, effective communication, and meeting deadlines. Clients commend Webevis Technologies for their dedicated resources and smart growth potential, resulting in significant business growth and successful project outcomes.
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$5,000+$50 - $99 / hr250 - 999St. Louis, MO
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Gemini Consulting & Services is a mobile application development firm. They were established in 2010 and specialize in Mobile App Development and Web Development.
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$10,000+$25 - $49 / hr10 - 49Plovdiv, Bulgaria
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Teamlance is an app development company. Their small team is located in Plovdiv, Bulgaria and provides Mobile App Development and Custom Software Development. The firm was established in 2016.
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$5,000+$25 - $49 / hr10 - 49Vinnytsia, Ukraine
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Launched in 2019, WE ARE THE FUTURE | WAF Agency, a small website development firm, is located in Vinnytsia, Ukraine. Their services include Web Development and Custom Software Development.
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$1,000+< $25 / hr10 - 49
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Debuggers Studio is a small web design company. Established in 2016, the team provides Web Design and Web Development.
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$50,000+$50 - $99 / hr10 - 49
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ITNNOVATION is a small software development company. They offer Custom Software Development and IT staff augmentation and were founded in 2010.
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$1,000+< $25 / hr10 - 49Kyiv, Ukraine
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Digiants is a small Kyiv, Ukraine-based website development firm. The team provides Web Development and Web Design.
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$25,000+$25 - $49 / hr10 - 49Cluj-Napoca, Romania
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Established in 2022, Moonlysoft is an artificial intelligence development company. The firm specializes in Artificial Intelligence and Web Development.
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$10,000+$25 - $49 / hr10 - 49Kyiv, Ukraine
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Custom software development firm VIS-A-VIS digital outsourcing provides Custom Software Development and Web Development. They are based in Kyiv, Ukraine.
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$50,000+$25 - $49 / hr250 - 999London, England
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SovTech UK is an IT staff augmentation company. They are headquartered in London, England and have midsize team. They offer IT staff augmentation and Custom Software Development.
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$1,000+$25 - $49 / hr10 - 49
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Cedexperts is a web design agency. Their small team is in Sheridan, Wyoming and Sheridan, Wyoming and provides Web Design and UX/UI Design. The company was launched in 2015.
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$50,000+$100 - $149 / hr10 - 49Almere, Netherlands
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SpringTree is a software development company founded in 2014. The team focuses on Custom Software Development and Web Development and is located in Almere, Netherlands and Urk, Netherlands.
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$10,000+$50 - $99 / hr50 - 249
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SEO company Caba Hub is in Dubai, United Arab Emirates. Their services include Search Engine Optimization and Web Development.
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$10,000+$100 - $149 / hr10 - 49Charlbury, England
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Evensix is a website development firm. They focus on Web Development and Web Design and are based in Charlbury, England.
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$1,000+$50 - $99 / hr10 - 49Yerevan, Armenia
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See all 1 projectsCaravella Founding specializes in Website Development and Web Design, delivering comprehensive online development solutions. Reviews highlight their expertise in Web Programming, showcasing a responsive and transparent project management style. The firm is praised for exceeding expectations, offering high-quality, accessible solutions while maintaining effective communication and flexibility throughout the project lifecycle.
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$1,000+< $25 / hr2 - 9Mumbai, India
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See all 1 projectsBranch42 is a web development company specializing in full-stack web development and custom website development. Their reviews highlight a 100% positive feedback rate, with notable praise for their efficient project management and collaborative approach. Impressively, 100% of reviewers commend their ability to understand client business models and deliver scalable, multilingual platforms.
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$5,000+$100 - $149 / hr2 - 9Sydney, Australia
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Matterhorn Digital Sydney is a website development firm established in 2010. The company focuses on Web Development and Web Design, and is small.
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$10,000+$100 - $149 / hr2 - 9Vancouver, Canada
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Jambaree is a small web design agency established in 2020. Their team focuses on Web Design and Web Development.
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$10,000+$50 - $99 / hr2 - 9Manresa, Spain
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Mecexis Studio is a web development company. Established in 2013, the team focuses on Web Development and Web Design.
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$1,000+$25 - $49 / hr10 - 49
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Metageeks Technologies Pvt Ltd is a Blockchain company founded in 2022. The company specializes in Blockchain and Custom Software Development.
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$10,000+$50 - $99 / hr2 - 9Kraków, Poland
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VIVA LA GRID - branding / web agency provides comprehensive services including graphic creation, online brand campaigns, logo design, and consulting. Reviews highlight their timely delivery, skilled team, and unconventional approach, resulting in improved company presentations. Clients consistently express satisfaction with their professional and effective project management.
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$5,000+$50 - $99 / hr10 - 49CMZ, Argentina
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Located in CMZ, Argentina, Eryx is an user experience design agency. The team offers UX/UI Design and BI & big data consulting & SI.
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$5,000+$25 - $49 / hr50 - 249Lucknow, India
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E-commerce development company Eighteen Pixels India Pvt. Ltd is in Lucknow, India and Pune, India. Their services include E-Commerce Development and Mobile App Development.
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$1,000+$25 - $49 / hr10 - 49Irvine, CA
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Charisol Technology is a website development firm founded in 2015. The company focuses on Web Development and Mobile App Development, and is small.
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$5,000+$100 - $149 / hr10 - 49Los Angeles, CA
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Founded in 2012, MiradeWeb is an e-commerce development company. The company provides E-Commerce Development and Web Development, and is small.
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$5,000+$50 - $99 / hr10 - 49Tartu, Estonia
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Singleton is a mobile application development firm. Headquartered in Tartu, Estonia and Tallinn, Estonia, the company focuses on Mobile App Development and Web Development.
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$10,000+$25 - $49 / hr10 - 49Delhi, India
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In Delhi, India, Laravel Wizard is a website development firm. Founded in 2019, the team focuses on Web Development and Custom Software Development.
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$25,000+$100 - $149 / hr10 - 49Castle Rock, CO
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BlueRival Software, a custom software development firm, was launched in 2012. The team focuses on Custom Software Development and IT strategy consulting and is headquartered in Castle Rock,
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Undisclosed$25 - $49 / hr10 - 49Warszawa, Poland
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Launched in 2022, Elerand is a custom software development firm. Headquartered in T'bilisi, Georgia, the team focuses on Custom Software 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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$75,000+$100 - $149 / hr50 - 249Vancouver, Canada
Ability to deliver
38.7/40.020/20 Reviews10/10 Clients & Experience8.7/10 Market PresenceService focus
90% Web Development50% JavaScript10% Other -
$25,000+$50 - $99 / hr50 - 249Kraków, Poland
Ability to deliver
35.7/40.018.8/20 Reviews10/10 Clients & Experience6.9/10 Market PresenceService focus
60% Web Development50% JavaScript40% Other -
$10,000+$25 - $49 / hr250 - 999Bengaluru, India
Ability to deliver
37.2/40.020/20 Reviews10/10 Clients & Experience7.2/10 Market PresenceService focus
20% Web Development40% JavaScript80% Other -
$5,000+$50 - $99 / hr50 - 249Maribor, Slovenia
Ability to deliver
35.1/40.020/20 Reviews10/10 Clients & Experience5.1/10 Market PresenceService focus
40% Web Development100% JavaScript60% Other -
$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
34.1/40.018.4/20 Reviews10/10 Clients & Experience5.7/10 Market PresenceService focus
45% Web Development75% JavaScript55% Other -
$25,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
34.5/40.018.8/20 Reviews10/10 Clients & Experience5.7/10 Market PresenceService focus
40% Web Development60% JavaScript60% Other -
$10,000+< $25 / hr250 - 999Hanoi, Vietnam
Ability to deliver
35.9/40.018.8/20 Reviews10/10 Clients & Experience7.1/10 Market PresenceService focus
30% Web Development21% JavaScript70% Other -
$1,000+< $25 / hr250 - 999Walpole, MA
Ability to deliver
32.8/40.016.2/20 Reviews10/10 Clients & Experience6.6/10 Market PresenceService focus
40% Web Development35% JavaScript60% Other -
$10,000+$50 - $99 / hr10 - 49London, England
Ability to deliver
34.8/40.018.6/20 Reviews10/10 Clients & Experience6.2/10 Market PresenceService focus
50% Web Development90% JavaScript50% Other -
$100,000+$25 - $49 / hr250 - 999Cebu City, Philippines
Ability to deliver
35.6/40.020/20 Reviews10/10 Clients & Experience5.6/10 Market PresenceService focus
30% Web Development20% JavaScript70% Other -
$25,000+< $25 / hr250 - 999Ahmedabad, India
Ability to deliver
37/40.019.6/20 Reviews10/10 Clients & Experience7.4/10 Market PresenceService focus
45% Web Development10% JavaScript55% Other -
$5,000+$25 - $49 / hr50 - 249Warszawa, Poland
Ability to deliver
32.3/40.017.2/20 Reviews10/10 Clients & Experience5.1/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$5,000+$50 - $99 / hr50 - 249Chicago, IL
Ability to deliver
35.6/40.019.6/20 Reviews10/10 Clients & Experience6/10 Market PresenceService focus
35% Web Development40% JavaScript65% Other -
$10,000+$50 - $99 / hr50 - 249Amsterdam, Netherlands
Ability to deliver
34.9/40.019.8/20 Reviews10/10 Clients & Experience5.1/10 Market PresenceService focus
30% Web Development70% JavaScript70% Other -
$10,000+$25 - $49 / hr1,000 - 9,999Plano, TX
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33.6/40.016.8/20 Reviews10/10 Clients & Experience6.8/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$25,000+$25 - $49 / hr50 - 249Newark, DE
Ability to deliver
35.5/40.018.8/20 Reviews10/10 Clients & Experience6.7/10 Market PresenceService focus
40% Web Development35% JavaScript60% Other -
$10,000+$25 - $49 / hr250 - 999New York, NY
Ability to deliver
36.2/40.020/20 Reviews10/10 Clients & Experience6.2/10 Market PresenceService focus
30% Web Development15% JavaScript70% Other -
$10,000+$50 - $99 / hr50 - 249San Francisco, CA
Ability to deliver
32.6/40.018.8/20 Reviews8.3/10 Clients & Experience5.5/10 Market PresenceService focus
55% Web Development45% JavaScript45% Other -
$50,000+$50 - $99 / hr1,000 - 9,999L'viv, Ukraine
Ability to deliver
36.3/40.017.6/20 Reviews10/10 Clients & Experience8.8/10 Market PresenceService focus
15% Web Development18% JavaScript85% Other -
$10,000+$50 - $99 / hr50 - 249Montevideo, Uruguay
Ability to deliver
33.8/40.018.6/20 Reviews10/10 Clients & Experience5.2/10 Market PresenceService focus
50% Web Development35% JavaScript50% Other -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
33.1/40.017.8/20 Reviews10/10 Clients & Experience5.3/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$50,000+$50 - $99 / hr1,000 - 9,999New York, NY
Ability to deliver
35.7/40.020/20 Reviews10/10 Clients & Experience5.7/10 Market PresenceService focus
10% Web Development25% JavaScript90% Other -
$25,000+$50 - $99 / hr10 - 49Poznań, Poland
Ability to deliver
33.8/40.017/20 Reviews10/10 Clients & Experience6.8/10 Market PresenceService focus
50% Web Development60% JavaScript50% Other -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
31.9/40.016.4/20 Reviews10/10 Clients & Experience5.5/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$50,000+$25 - $49 / hr50 - 249Kharkiv, Ukraine
Ability to deliver
31.9/40.016.2/20 Reviews10/10 Clients & Experience5.7/10 Market PresenceService focus
45% Web Development50% JavaScript55% Other -
$50,000+$150 - $199 / hr50 - 249New York, NY
Ability to deliver
31.9/40.015.8/20 Reviews10/10 Clients & Experience6.1/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$50,000+$100 - $149 / hr1,000 - 9,999San Francisco, CA
Ability to deliver
33.9/40.017.2/20 Reviews9.9/10 Clients & Experience6.8/10 Market PresenceService focus
15% Web Development25% JavaScript85% Other -
$5,000+$25 - $49 / hr250 - 999Jaipur, India
Ability to deliver
37.4/40.020/20 Reviews10/10 Clients & Experience7.4/10 Market PresenceService focus
10% Web Development25% JavaScript90% Other -
$25,000+$100 - $149 / hr50 - 249Santa Clara, CA
Ability to deliver
35.1/40.017.8/20 Reviews10/10 Clients & Experience7.3/10 Market PresenceService focus
60% Web Development20% JavaScript40% Other -
$10,000+$25 - $49 / hr50 - 249Kraków, Poland
Ability to deliver
33.7/40.018.6/20 Reviews10/10 Clients & Experience5/10 Market PresenceService focus
30% Web Development50% 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.