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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301$5,000+10 - 49 employeesNew York, NYKloustr Labs is a small application development firm. Launched in 2016, the team focuses on Mobile App Development and Web Development.Read More
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302$5,000+10 - 49 employeesNew York, NYRead More
Founded in 2016, Reliable Bits is a web development firm. Their team of around 10 employees is based in New York. They focus on web design and development and UI/UX design.
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Ultra Mobile (MVNO T-Mobile)Industries
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303$5,000+2 - 9 employeesNew York, NYDigitrillion is an e-commerce development firm established in 2000. The small team offers E-Commerce Development and Mobile App Development.Read More
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304$5,000+50 - 249 employeesNew York, NYDigital Auxilio Technologies is a website development company. Launched in 2019, the team specializes in Web Development and Mobile App Development.Read More
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AppStoryorgIndustries
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305$5,000+50 - 249 employeesFranklin Lakes, NJRead More
UX Team is a midsize UX design agency. The Franklin Lakes, New Jersey-based company was launched in 2014. Their services include UX/UI Design, Custom Software Development, Enterprise App Modernization, Web Design, and more.
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Nestlé Morgan Stanley Fiserv GerberIndustries
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306$25,000+10 - 49 employeesMorristown, NJRead More
Based just outside New York City in Saddle Brook, NJ, Hudson Integrated was founded in 2003. With a focus on e-commerce development, the team of 15 also offers digital strategy, creative guidance, and custom web development.
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DuraleeIndustries
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307$1,000+2 - 9 employeesNew York, NYWebyLogix is a web design company. Established in 2018, the company focuses on Web Design and Web Development.Read More
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308$1,000+10 - 49 employeesNew York, NYSoftware development company BufferSol Technologies was established in 2022. The small team offers Custom Software Development and Web Development.Read More
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309$25,000+250 - 999 employeesWhite Plains, NYFingent is a software development firm. Founded in 2003, the midsize agency is based in White Plains, New York; Dubai, United Arab Emirates; Kochi, India and Melbourne, Australia. Their team offers Custom Software Development, Artificial Intelligence, Web Development, and Mobile App Development.Read More
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Sony Mastercard AGP CBNIndustries
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310UndisclosedFreelancer employeesBronx, NYBlockhead Digital is a web development company. They are headquartered in Bronx, New York, and their services include Web Development and Web Design.Read More
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311$10,000+2 - 9 employeesNew York, NYRead More
Prototypical is a UX design agency located in New York. They have about 2 employees. Founded in 2018, they continue to provide UX/UI design, e-commerce development, and web design services. Primarily, their clients are midmarket firms and small businesses in e-commerce, business services, and retail.
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KOSEIndustries
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312$10,000+2 - 9 employeesBrooklyn, NYUnderline Labs is a Brooklyn, New York-based e-commerce development firm. Their services include E-Commerce Development and Web Development.Read More
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313$1,000+2 - 9 employeesNew York City, NYBased in Miami, Florida and New York City, New York, Birdwell Solutions is a small Blockchain company. The team focuses on Blockchain and Web Development.Read More
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314$1,000+2 - 9 employeesNew York, NYMonarchy Solutions, a small CRM consulting and SI company, is in Dhaka, Bangladesh and New York, New York. The team offers CRM consulting and SI and ERP consulting and SI.Read More
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315$5,000+10 - 49 employeesHoboken, NJWebTitans is a web design company located in Hoboken, New Jersey. They focus on Web Design and Web Development and were founded in 2010.Read More
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316$5,000+2 - 9 employeesNew York, NYBased in Rīga, Latvia, Coal is a small web development company. They focus on web development, e-commerce development, web design, search engine optimization, and more and were established in 2018.Read More
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317$1,000+2 - 9 employeesNew York, NYWeb design agency VARSA CODES PROSTA SPÓŁKA AKCYJNA is located in Warszawa, Poland and New York, New York. Founded in 2024, the team focuses on Web Design and UX/UI Design.Read More
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318Undisclosed2 - 9 employeesNew York, NYKitSoftSol is an user experience agency. They are located in New York, New York and have small team. Their team specializes in UX/UI Design and Custom Software Development.Read More
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319Undisclosed50 - 249 employeesNew York, NYSmashCloud is an user experience company. Their midsize team of employees is located in Toronto, Canada and Lahore, Pakistan. Their team offers UX/UI Design and Custom Software Development.Read More
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320$10,000+10 - 49 employeesNew York, NYRead More
Ziggle Tech was founded in 2015, and is a creative, technology, and digital marketing agency headquartered in New York City, with additional offices in Los Angeles, Chicago, and Miami. They have a team of 13 people who specialize in eCommerce development. However, they also provide other services including UX/UI design, SEO, social media marketing, and programming in Ruby, Java, and JavaScript.
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SHEEX Inc.Industries
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321$5,000+10 - 49 employeesBrooklyn, NYRead More
Founded in 2024, Flexen Lab- Out Of Business is a small user experience company. Their team provides UX/UI Design, Web Development, Web Design, Search Engine Optimization, and more. The agency is based in Brooklyn, New York.
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322$1,000+2 - 9 employeesNew York, NYDilly Willy Web Design is a web design agency. They are headquartered in Washington, District of Columbia and New York, New York. Their team provides Web Design and UX/UI Design.Read More
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323$10,000+Freelancer employeesBrooklyn, NYLocated in Brooklyn, New York, Uncanny Studio, LLC is a web design company. They offer Web Design and Web Development and were launched in 2018.Read More
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324Undisclosed2 - 9 employeesNew York, NYDiv Digital is a social media marketing company. They were launched in 2016, and their services include Social Media Marketing and Search Engine Optimization.Read More
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325Undisclosed2 - 9 employeesNew York, NY6PS Group, LLC is a New York, New York-based website development firm. Their services include Web Development and Mobile App Development.Read More
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326$1,000+2 - 9 employeesNew York, NYSeo Shop NYC is a pay per click company. They are located in New York, New York. Their team specializes in Pay Per Click and Social Media Marketing.Read More
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327$1,000+2 - 9 employeesMadison, NJRead More
Fidextech™ is a web design agency. The small Madison, New Jersey-based company was established in 2020. Their team focuses on web design, ux/ui design, web development, and other IT consulting and SI.
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328$50,000+50 - 249 employeesFranklin Township, NJRead More
Launched in 2013, Trackmind is a IT staff augmentation company. The firm provides IT staff augmentation, custom software development, e-commerce development, branding, and more and has a midsize team.
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329$1,000+Freelancer employeesBrooklyn, NYFastSites. Is a web development firm established in 2025. The agency offers Web Development and Search Engine Optimization.Read More
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330Undisclosed10 - 49 employeesBasking Ridge, NJRead More
Ridge Marketing is a digital marketing agency based in Basking Ridge, N.J. Founded in 2004, their team of around 15 employees specializes in digital strategy, web design, and email marketing.
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AnsellIndustries
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