Top 100 JavaScript Development Companies in New York City

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.

Headquartered in New York, Vention is a custom software development company with additional offices in Marietta, Ga. and Iselin, N.J. Since 2002, Vention has helped startups and fast-growing tech companies fill in their talent gap and create robust web and mobile solutions that users love. To date, Vention's talent pool includes 3500+ engineers with experience in all of the latest technologies.

Konstant Infosolutions is a mobile app and web developer that focuses on global technology and innovation. Founded in 2003 and headquartered in Jaipur, Rajasthan, their 170+ professionals are leaders in software solutions and cutting-edge technologies.

Infinum is a software development company in San Francisco, CA. The 50+ team has equal experience in mobile and web development. They work with clients from a variety of industries, including business and financial services and automotive.

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.

Sigma Software Group is a software development & consulting partner with headquarters in Lviv, Ukraine, and offices in the USA, Sweden, UK, Canada, Israel, Singapore, UAE, Poland, Latin America, and Portugal. Founded in 2002, the company accounts for over 2000 employees, helping clients from startups to Fortune 500 brands with software product and custom solutions delivery, digital transformation, Big Data, AI/ML, AR/VR, IoT, web & app development services.

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.

App Makers LA is a mobile app development company of around 10 employees. Founded in 2014, they are based in Los Angeles. They offer services in mobile app development and UX/UI design.

TekRevol is an app development startup of 18 employees. Founded in 2014, their headquarters is in Newark, Calif. They offer various services: mobile app development, web development, e-commerce development, blockchain, and more. They primarily work with enterprise and midmarket clients in the e-commerce and business services industries.
 

Five Jars, a web development firm, was established in 2017. Their small team is in Dover, Delaware and Kyiv, Ukraine. Their services include web development, custom software development, and web design.

Paper Tiger is a digital design agency headquartered in Ridgewood, N.J. The company, founded in 2008, specializes in UX/UI design, web design, and web development. The 13-person company works with small, mid-market, and enterprise businesses. 
 

UPQODE is a website design and development agency based in Nashville, Tennessee. Founded in 2015, the team of 40+ specializes in web development, web design, and e-commerce development. They work with small businesses, focusing on information technology, e-commerce, and business services.

BVP Software is a small web development company. The L'viv, Ukraine-based company was founded in 2020. Their team offers web development, custom software development, api development, IoT development, and more.

Logic Soft is a software development firm launched in 2023. They are located in Warszawa, Poland and have a small team. Their services include custom software development, web development, mobile app development, and e-commerce development.

Although they specialize in e-commerce and web development, End Point also creates custom software and is an expert on enterprise security. Founded in 1995 in New York City, the team of 50+ employees serves mid-market and small businesses across a variety of industries.

Alley Interactive is a web development firm based in New York City with an additional office in Burlington, Vt. Founded in 2010, the team of 73 specializes in web development, web design and UX/UI design. They work primarily with midmarket clients in the media industry.

ThirstySprout is an outsourced development company headquartered in Seattle with an additional office in San Franciso. Founded in 2017, they currently have about 18 employees. They provide IT staff augmentation as well as custom software and web development services to primarily midmarket agencies in IT, e-commerce, and business services.

Cantilever is a digital agency, established in 2001 in Fair Lawn, N.J. Their team of 4 employees offers services in web design, web development, branding and marketing strategy.

Perpetual is a software product innovation and development company based in New York City. Founded in 2012, Perpetual's team of around 25 employees provides a wide range of services including UX/UI design, web design, mobile and custom software development, IT staff augmentation, product design, and more.

Storm Brain is a digital agency of under ten expert resources. With satellite offices in Costa Mesa and Santa Monica, Calif., it’s headquarters are in San Diego. Founded in 2001, Storm Brain offers web design, web development, SEO, and social media marketing services for clients across a wide range of industries including education and healthcare. 

SJ Innovation is an IT solutions provider based in New York, with offices in Ukraine, India, and Bangladesh. The company, founded in 2004, has more than 140 employees and provides web development, mobile app development, and application testing services to small and midmarket companies in various industries.

Together is a full-service agency that builds brands, websites and digital products for good tech companies around the world.

ExpandX is a web services provider and digital marketing agency headquartered in Sofia, Bulgaria. It also has locations in London, New York, Munich and Barcelona. The company was founded in 2015 serving clients globally with projects of different sizes and niches. ExpandX provides web development services, e-commerce solutions, social media marketing, PPC, web design, video marketing, and other related digital services.

Transfuture is a digital studio based in Brooklyn, N.Y. Founded in 2005, the small team of 5 specializes in web design & development, UX/UI design, and logo design. They focus on business services, financial services, and healthcare and medical.

Very Good Ventures is an app development agency based in New York and founded in 2018. With no more than 50 employees, they specialize in mobile app development, web development, and application management and support solutions for various clients.

Headquartered in San Francisco, Wizeline is a global technology services provider with delivery centers in Mexico, Colombia, Spain, and Vietnam. Since its founding in 2014, Wizeline has grown to over 1,300 employees specializing in product/platform development, UX design, data & AI, cloud & DevOps, and product evolution services.

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.

Thoughtbot is a web and mobile app development company based in Boston, MA with offices in Austin, San Francisco, New York, Raleigh, Washington D.C, and London. Since 2003, this 50+ team has delivered empowering digital solutions to enterprise-level and small companies alike.

Gonni Agency is a UX and branding agency based in Buenos Aires, Argentina. Founded in 2012, their team of around 10 employees specializes in UI/UX design and branding.

Goji Labs is a web and mobile app development company based in Los Angeles. Founded in 2014, they have a team of about 30 that helps launch products in numerous industries ranging from business services to education. They provide product strategy, UX/UI design, mobile app, web, and IoT development services to various clients including startups, corporations, and nonprofits.