Top 100 JavaScript Development Companies in New York City
The Best of December 2025Looking for a top JavaScript developer in New York City?
If you're hiring a JavaScript developer to help you build or update a website that's responsive and interactive, consider the pros and cons of JavaScript as a programming language. Advantages include its speed because it's executed on the client-side; reduction in server load; and diverse functionality. Disadvantages to consider include security such as bugs on the client-side.
To assist you in your search for a partner, we’ve compiled this list of the top JavaScript development agencies in New York City. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best New York City JavaScript Developers
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1$50,000+50 - 249 employeesNew York, NYRead More
XWP is a web agency founded in Chelsea, Australia in 2005 with over 50 employees. They offer web development, web design, and UX/UI design solutions to mid-market and enterprise-level clients in the fields of IT and media.
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GoogleIndustries
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2$50,000+1,000 - 9,999 employeesNew York, NYRead More
Headquartered in L'viv, Ukraine; New York, New York; Saratoga, California and Bellevue, Washington, Sigma Software Group is a software development company. The large agency was established in 2002. Their services include Custom Software Development, Web Development, Mobile App Development, BI & big data consulting & SI, and more.
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VolvoIndustries
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3$25,000+1,000 - 9,999 employeesNew York, NYSoftware development company Vention is headquartered in New York, New York; Marietta, Georgia; Woodbridge Township, New Jersey and London, England. The large team provides Custom Software Development, IT staff augmentation, Web Development, Mobile App Development, and more. The firm was established in 2002.Read More
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IBM PayPal pwc IC MarketsIndustries
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4$10,000+250 - 999 employeesNew York, NYCleveroad is a custom software development firm. The Kharkiv, Ukraine-based company was founded in 2011. The midsize team focuses on Custom Software Development, Web Development, IT staff augmentation, Mobile App Development, and more.Read More
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DPD Mangopay PENNEO A/S LEGOIndustries
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5$10,000+50 - 249 employeesSanta Monica, CARead More
Storm Brain is a web design agency. Headquartered in Carlsbad, California; Costa Mesa, California; Santa Monica, California and New York, New York, their midsize team provides Web Design, Web Development, Search Engine Optimization, Pay Per Click, and more. The firm was founded in 2007.
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Nike Chase (JPMorgan Chase & Co.) Citi (Citigroup) TargetIndustries
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6$5,000+50 - 249 employeesNew York, NYDigis, a Fiverr company (NYSE: FVRR) is a custom software development company and web development firm. Launched in 2015, the team offers Custom Software Development and Web Development. Their midsize firm is in London, England; New York, New York; București, Romania and L'viv, Ukraine.Read More
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Blablacar Hubspot PwC HumaIndustries
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7$50,000+250 - 999 employeesNew York, NYInfinum, a custom software development company, was founded in 2005. The firm offers Custom Software Development, Mobile App Development, UX/UI Design, Web Development, and more and has a midsize team. The firm is in New York, New York; San Francisco, California; Zagreb, Croatia and Ljubljana, Slovenia.Read More
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PhilipsIndustries
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8$5,000+250 - 999 employeesNew York, NYLaunched in 2003, Konstant Infosolutions is an application development firm. The midsize Jaipur, India-based team offers Mobile App Development, Artificial Intelligence, UX/UI Design, and Web Development.Read More
Clients
United Nations Volkswagen Stanley Connect DelmonteIndustries
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9$10,000+10 - 49 employeesBrooklyn, NYFive Jars, a website development company, is headquartered in Brooklyn, New York; Warszawa, Poland and Arlington, Virginia. Founded in 2017, the small team offers Web Development, Web Design, Mobile App Development, and Artificial Intelligence.Read More
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George Washington’s Mount VernonIndustries
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10$5,000+50 - 249 employeesNew York, NYEstablished in 2011, MOBIKASA is a web development firm. Their midsize team is headquartered in New York, New York; Los Angeles, California; New Delhi, India and Dubai, United Arab Emirates and offers Web Development, E-Commerce Development, and Custom Software Development.Read More
Clients
1800Flowers Perfumania Mielle Organics Fast Growing TreesIndustries
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11$25,000+50 - 249 employeesNew York, NYRead More
Jahnel Group, Inc. is an application development company based in Schenectady, N.Y., with offices in New York and Plano, Texas. The company, founded in 2012, has around 90 employees and provides custom software development, web development, mobile app development, and UX/UI design services. Jahnel Group, Inc. serves midmarket and other-sized companies and institutions in the business services, financial services, gaming, education, manufacturing, medical, and e-commerce industries.
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AtosIndustries
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12$10,000+50 - 249 employeesNew York, NYThoughtbot, a web development firm, is located in New York, New York and London, England. They focus on Web Development, Mobile App Development, UX/UI Design, cloud consulting & SI, and more and were launched in 2003.Read More
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Health Match 360Industries
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13$5,000+50 - 249 employeesNew York, NYWeb design agency UPQODE was launched in 2015. They are based in Nashville, Tennessee; New York, New York; Tampa, Florida and Seattle, Washington and have a midsize team. UPQODE focuses on Web Design, Web Development, UX/UI Design, Custom Software Development, and more.Read More
Clients
Gracenote - Entertainment ProvidersIndustries
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14$50,000+250 - 999 employeesNew York, NYEmpat is an app development company established in 2013. They are in San Francisco, California; Kyiv, Ukraine; London, England and Miami, Florida and have a midsize team. Their services include Mobile App Development, Custom Software Development, and Web Development.Read More
Clients
Obimy — A mobile app connecting loved ones across distances with over 10 million downloads on iOS and Android. Enables seamless communication and emotional connection. Mobile app development and social networking focus. Bigsister — Custom AI software designed for sales performance tracking and analysis, providing clean, accurate data to optimize sales teams and improve efficiency with advanced analytics. Trigga — A fintech project featuring payment systems and a comprehensive analytical database to support secure transactions and financial insights for smarter decision-making. DentalCare — Healthcare ecosystem with mobile app, web development, and CRM tools for managing patient records, tracking appointments, and sending automated reminders to improve patient care.Industries
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15$25,000+10 - 49 employeesBrooklyn, NYRead More
Buzzworthy Studio is a digital studio based in New York. Founded in 2012, the team of 11 specializes in web design, web development and UX/UI design. They work primarily with small business clients.
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WeworkIndustries
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16$25,000+50 - 249 employeesNew York, NYUnified Infotech is a custom software development company founded in 2010. Their midsize team is located in New York, New York and Kolkata, India and offers Custom Software Development, Web Development, Web Design, IT staff augmentation, and more.Read More
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NBC UniversalIndustries
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17$10,000+10 - 49 employeesNew York, NYAppMakers USA is a mobile application development company. Their small team is headquartered in Los Angeles, California and New York, New York. Their services include Mobile App Development, Artificial Intelligence, Web Development, and UX/UI Design. The company was established in 2014.Read More
Clients
Los Angeles Apparel Walmart Number Hive NFLIndustries
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18$25,000+10 - 49 employeesNew York, NYTogether is a branding company launched in 2018. The small team specializes in Branding, UX/UI Design, Product Design, Web Development, and more. The agency is located in London, England; New York, New York and San Francisco, California.Read More
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UnitIndustries
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19$10,000+50 - 249 employeesNew York, NYFounded in 1996, NEWMEDIA.COM is a SEO agency. Their midsize team is based in Denver, Colorado and New York, New York and offers Search Engine Optimization, Web Development, Marketing Strategy, Digital Strategy, and more.Read More
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20$25,000+10 - 49 employeesNew York, NYDedicated Developers is an app development firm. The Atlanta, Georgia-based firm was launched in 2007. The small team focuses on Mobile App Development and Web Development.Read More
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Corning Gorilla GlassIndustries
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21$25,000+50 - 249 employeesNew York, NYPerpetual is an UX company launched in 2012. The company provides UX/UI Design, Web Development, Low/No Code Development, Web Design, and more and has a midsize team. The company is based in New York, New York and नवी मुंबई, India.Read More
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ReutersIndustries
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22$10,000+50 - 249 employeesNew York, NYEvince Development is a website development company. Their midsize team is in New York, New York; London, England; Ahmedabad, India and Oslo, Norway. Their services include Web Development, Mobile App Development, Artificial Intelligence, E-Commerce Development, and more. The firm was established in 2012.Read More
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GetTreadIndustries
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23$10,000+10 - 49 employeesNew York, NYWeb design company Lounge Lizard was launched in 1998. The small team focuses on Web Design and Web Development. The agency is in New York, New York; Washington, District of Columbia; Nashville, Tennessee and Holbrook, New York.Read More
Clients
A&E Television Andersen Tax Alliance Valley Bean Axium PlasticsIndustries
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24$25,000+10 - 49 employeesBrooklyn, NYRead More
JetRockets, a software development company, is headquartered in Brooklyn, New York. The small team focuses on Custom Software Development, Web Development, Mobile App Development, Artificial Intelligence, and more. The firm was established in 2012.
Clients
LendingOne Safari Portal eBay The Gut StuffIndustries
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25$10,000+250 - 999 employeesNew York, NYRead More
A tech frontrunner since 1989, Zco is a full-stack app development firm offering web, mobile, and animation services. Headquartered in Nashua, New Hampshire with a Boston office, the 200+ specialists comprise a powerhouse team with outstanding and varied proficiencies.
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GolflogixIndustries
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26$25,000+10 - 49 employeesNew York, NYSavas Labs is a small web development company founded in 2013. Their services include Web Development, Web Design, UX/UI Design, Custom Software Development, and more. The agency is located in New York, New York; San Francisco, California; Boston, Massachusetts and Washington, District of Columbia.Read More
Clients
Harvard University Environmental Defense Fund Adobe NPRIndustries
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27$50,000+50 - 249 employeesNew York, NYSaritasa, a software development company, is headquartered in Newport Beach, California; New York, New York; Chicago, Illinois and Manhattan Beach, California. The midsize company was established in 2005. Their team provides Custom Software Development, AR/VR development, Web Development, Mobile App Development, and more.Read More
Clients
Mitsubishi Makita ASCO Power Technologies WinegardIndustries
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28$25,000+250 - 999 employeesNew York, NYRobosoft Technologies Inc. Is a San Francisco, California-based app development company. They offer Mobile App Development, UX/UI Design, Web Development, Custom Software Development, and more and were launched in 1996.Read More
Clients
Warner Bros. Discovery HSBC McDonalds Mercury FinanceIndustries
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29$10,000+10 - 49 employeesBrooklyn, NYSEO company MeanPug Digital was established in 2017. They are headquartered in Brooklyn, New York and have a small team. Their services include Search Engine Optimization, Pay Per Click, Advertising, Social Media Marketing, and more.Read More
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Wallace LawIndustries
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30$10,000+50 - 249 employeesZaporizhzhia, UkraineRead More
Founded in 2019, Uinno is an artificial intelligence firm. The midsize team specializes in Artificial Intelligence, Custom Software Development, Low/No Code Development, UX/UI Design, and more. The company is based in L'viv, Ukraine; Tallinn, Estonia; Kingston upon Thames, England and Zaporizhzhia, Ukraine.
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OnlyFansIndustries
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