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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121$5,000+2 - 9 employeesBrooklyn, NYRead More
ERA404 Creative Group is a design, development and strategy studio based in New York. The studio, founded in 2001, has a team of more than ten that provides a wide range of services that include branding, marketing strategy, digital strategy, UX/UI design, and custom software development services. ERA404 Creative Group serves small and larger-sized companies in various industries that include advertising & marketing, arts & entertainment, and business services.
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TargetIndustries
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122$1,000+10 - 49 employeesStaten Island, NYWayDigit is a Staten Island, New York-based Content Marketing company. Founded in 2023, the small team offers Content Marketing, Search Engine Optimization, Web Development, E-Commerce Development, and more.Read More
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123$5,000+10 - 49 employeesWanchai, Hong KongRead More
Founded in 2012 and headquartered in India, PSD To Manythings is a development agency that works with small businesses in the business services and information technology industries. With two more offices in Hong Kong and NYC, the team of over 50 provide web development and e-commerce development to clients.
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Art and Creativity University Of CaliforniIndustries
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124$1,000+2 - 9 employeesNew York, NYAlfatek Digital is a Miami, Florida-based website development firm. The small team focuses on Web Development, Web Design, UX/UI Design, Social Media Marketing, and more. The firm was founded in 2019.Read More
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125$10,000+250 - 999 employeesNew York, NYRead More
KiwiTech is a midsize application development company. Established in 2009, the agency is located in New York, New York; Washington, District of Columbia and Noida, India. Their services include mobile app development and web development.
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126$1,000+50 - 249 employeesNew York, NYVareweb is a Logo company. They are located in Dallas, Texas; New York, New York; Pico Rivera, California and Miami, Florida and have a midsize team. The firm provides Logo, Branding, Web Development, UX/UI Design, and more.Read More
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127$100,000+10 - 49 employeesNew York, NYRead More
Rose Digital is a technology consulting firm based in New York City. Founded in 2014, their small team of 5 specializes in mobile app development, web development, and AI. They work with midmarkets, enterprises, and small businesses, focusing on advertising and marketing, business services, arts, entertainment, and music.
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Annex88Industries
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128$25,000+2 - 9 employeesBrooklyn, NYSein Analytics, a web design company, was established in 2010. Their small team is based in Brooklyn, New York and provides web design, ux/ui design, custom software development, web development, and more.Read More
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129$1,000+50 - 249 employeesNew York City, NYTask Virtual is a SEO company. The midsize Kolkata, India-based firm was founded in 2016. Their services include Search Engine Optimization, Back Office Outsourcing, Social Media Marketing, Content Marketing, and more.Read More
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130$25,000+2 - 9 employeesNew York, NYRead More
BLUEPORTAL, LLC is an IT company founded in 2015 and run by more than 10 people. Based in New York, they offer custom software, web, and mobile app development solutions, primarily to small and mid-market clients in the fields of financial services, health care, and e-commerce.
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Areale Counseling & Wellness, LLCIndustries
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131Undisclosed50 - 249 employeesNew York, NYRead More
Happy Cog is a web development and design shop based in New York, N.Y. Founded in 1999, their team of over 50 serves clients in the higher education, enterprise, publishing, and nonprofit spaces. Services include content strategy, design, development, marketing, and branding.
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Harvard Business SchoolIndustries
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132$10,000+10 - 49 employeesNew York, NYRead More
Web and mobile development firm Vascar Solutions was founded in 2016. With headquarters in New York, and offices in Columbia, Mexico, and Peru, Vascar Solutions has a team of 31. They specialize in web development, mobile app development, and IT staff augmentation.
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Mastercard -
133$50,000+10 - 49 employeesNew York, NYRead More
Blenderbox is a digital agency based in New York and established in 1999. Their team of 24 employees focus on web development, UX/UI design, and web design for primarily small businesses and nonprofits.
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NYC Office of Technology and Innovation - OTIIndustries
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134$10,000+2 - 9 employeesNew York, NYRead More
Flowcodes is a mobile app development firm based in New York. Founded in 2018 ,their team of 8 serves clients in the art, finance, and e-commerce sectors. Services UX/UI design, and web development sectors.
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Healthy Food SRLIndustries
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135$5,000+10 - 49 employeesGreat Neck, NYRead More
Swiss Commerce is an app development and performance marketing agency headquartered in Great Neck, N.Y. The company was founded in 1998 and has a team of 8 who specialize in UX/UI design, web development, and digital strategy. They mostly work with small businesses and mid-market clients in the business services, consumer products & services, and real estate industries.
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136$5,000+10 - 49 employeesNew York, NYRead More
E-commerce development firm Plumrocket was founded in 2008. The small New York, New York-based team specializes in e-commerce development and web design.
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137$25,000+10 - 49 employeesNew York, NYEstablished in 2017, Dakai Group is a web development firm. The firm specializes in Web Development and Custom Software Development, and is small.Read More
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138$5,000+2 - 9 employeesNew York, NYRead More
Net Theory, Inc. is a web design and development company founded in 1999 and located in New York. With a team of fewer than 50 employees, they serve small businesses in the e-commerce, consumer products and services, and media industries. Their services include web development, digital strategy, UX/UI design, and e-commerce development.
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Caviar RusseIndustries
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139$5,000+10 - 49 employeesDemarest, NJTuple Tech, a small IT managed services company, is located in Demarest, New Jersey and Mountain View, California. They provide IT managed services, Web Development, cloud consulting & SI, Cybersecurity, and more and were launched in 2017.Read More
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140Undisclosed10 - 49 employeesNew York, NYRead More
Incognito Worldwide is a SEO agency. The small Wilmington , Delaware-based firm was launched in 2014. Their team provides search engine optimization, digital strategy, web design, web development, and more.
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141$5,000+10 - 49 employeesParamus, NJRead More
Atoz Softtech is a web agency based in Eastvale, Calif. with more than 10 experts. Founded in 2012, they offer web development, custom software development, and enterprise app modernization solutions for mid-market firms in the fields of media, automobiles, and more.
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GN Construction LLCIndustries
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142$5,000+10 - 49 employeesNew York, NYBoomdevs is an UX company established in 2014. Their small team is in Bogra, Bangladesh; New York, New York and Dhaka, Bangladesh and specializes in UX/UI Design, Web Development, Mobile App Development, Custom Software Development, and more.Read More
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143$5,000+50 - 249 employeesNew York, NYUpStack, an IT staff augmentation company, was founded in 2014. The team provides IT staff augmentation and IT managed services.Read More
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144$25,000+10 - 49 employeesNew York, NYAbac.software is a Cluj-Napoca, Romania-based software development firm. The team offers Custom Software Development and Mobile App Development.Read More
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145$10,000+2 - 9 employeesNew York, NYRead More
Weil & Jones is an IT firm that was founded in 2002. The company is headquartered in New York and consists of less than 10 employees. They specialize in custom software and web development, primarily to midmarket clients.
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McKinsey & Co.Industries
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146$50,000+10 - 49 employeesNew York, NYRead More
Mobile app development firm Beta Acid was founded in 2015. The agency specializes in mobile app development, web development, ux/ui design, Artificial Intelligence, and more and has a small team.
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147$10,000+50 - 249 employeesNew York, NYRead More
Ragnarok is a midsize software development firm. The New York, New York-based agency was launched in 2012. Their team specializes in custom software development, marketing strategy, email marketing, mobile & app marketing, and more.
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148$25,000+250 - 999 employeesNew York, NYAltudo is a midsize New York, New York-based Marketing Strategy company. Launched in 1997, the team offers Marketing Strategy, Digital Strategy, Web Design, BI & big data consulting & SI, and more.Read More
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149$5,000+2 - 9 employeesStaten Island, NYRead More
StatenWeb is a web design company headquartered in Staten Island, N.Y. Founded in 2014, they are a company of less than 10 employees. They specialize in web design, web development, and branding. They serve small business clients in the IT industry.
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BigTen NetworksIndustries
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150$10,000+10 - 49 employeesNew York, NYRead More
Lumina is a managed services provider based in New York City. Founded in 2004, the team of 7 specializes in web design, IT managed services, and web development. They work with clients in the media, retail, and automotive industries.
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Eagles BeachwearIndustries
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