Top 100 JavaScript Development Companies in Boston

HTMLPanda, founded in 2014, is a website development company headquartered in Boston, with additional locations in Walpole, Mass., and New York City. The company’s team of 9 people focuses on web development, e-commerce development, and web design. They work with mid-market, enterprise, and small businesses for clients in the business services, IT, and financial services industries. 
 

Zero Negative is a web and mobile app development firm based in Boston. Founded in 2014, their small team of 8 focuses on providing a boutique experience to clients seeking tailored web, creative, and mobile solutions.

UPQODE is a web design agency based in Nashville, Tennessee; New York, New York; Tampa, Florida and Seattle, Washington. They focus on Web Design, Web Development, UX/UI Design, Custom Software Development, and more and were launched in 2015.

VAIRIX is a software development agency in Montevideo, Uruguay. Founded in 2010, they have about 15 employees that work with small and midmarket clients. Services include custom software development, mobile app development, and web development.  

The Gnar Company, Inc. is a computer software company based in Boston and founded in 2015. Their team of around 15 provides a variety of services including custom software, mobile app, and web development. They often partner mid-sized and enterprise businesses in a large number of sectors. 

Third & Grove is a web development firm headquartered in Boston with an additional office in San Francisco. Founded in 2013, they have 34 employees and have worked with well-known brands in sectors such as food & beverage and financial services. Third & Grove provides web design and development, e-commerce development, UI/UX design, and digital strategy for primarily midmarket-sized clients. 

OHO Interactive is an interactive agency that provides web development, web design, and digital strategy services located in Somerville, Mass. Founded in 1998, they have a team of about 70 employees who support midmarket clients in a few industries: education, healthcare and medical, and nonprofit. 

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.

Established in 2015, NL Softworks is a small web development firm. Their team focuses on web development, web design, custom software development, application management & support, and more. The company is based in Marblehead, Massachusetts.

Located in New York, New York; San Francisco, California; Boston, Massachusetts and Washington, District of Columbia, Savas Labs is a website development company. Founded in 2013, the small team specializes in Web Development, Web Design, UX/UI Design, Custom Software Development, and more.

Since 2009, ChopDawg.com has created 350+ digital products – from mobile applications and web applications to blockchain and artificial intelligence technologies for startups, Fortune 500s, growing businesses, and non-profits around the globe. Think of ChopDawg.com not as your agency but as your technical partner. Headquartered in Philadelphia, with offices in Boston, Seattle, New York, Atlanta, Washington, D.C., and Los Angeles, Chop Dawg currently has a team of more than 50. 

Seahawk Media is a web design and development company based in Boston, but with offices around the world. Founded in 2015, they also provide SEO, branding, and UX/UI design services. They're also a GoDaddy partner.

An'n'Bo - Interface Studio is a studio founded in Rivne, Ukraine in 2017 with no more than 10 experts. They specialize in UX/UI, product, and web design solutions for small and mid-market firms in the fields of IT, consumer products, and business services.

Boston software and web development company Vermonster offers full-service design and development for applications across platforms. Prioritizing visual design and user experience, Vermonster's 20-person team has produced digital experiences for clients in sectors from medicine to education to government. With a focus on Ruby on Rails and JavaScript, Vermonster's robust development team has created web apps, desktop software, sophisticated chatbots for Facebook and Slack, and mobile apps for a number of high-profile clients.

AlgoRepublic is a software development firm that has been offering custom software development, mobile app development,and web development services to their clients since 2014. Their team of 250 employees are based out of their Lahore office.

Dedicated Developers are a web, mobile app, and e-commerce development firm based in Alpharetta, GA, with an office in Castro Valley, CA. This 50+ team has been offering top-tier digital solutions and frictionless project management since 2007.

In London, United Kingdom and Pančevo, Serbia, IceFyre Solutions is a web development firm. The small agency was launched in 2017. Their team offers web development, mobile app development, and Artificial Intelligence.

SumatoSoft is a web and mobile app development company that's located in Minsk, Belarus. Founded in 2012, they serve a variety of small and midmarket businesses. Services include web development, IoT development, and mobile app development. They have about 55 employees. 

Involution Studios is a software services firm based in Arlington, Mass. Founded in 2004, the team of 13 specializes in web design and development, mobile app development, and custom software development. They focus on business services, healthcare & medical, and information technology.

 

Founded in 2001, Going Clear Interactive is a web design and development company based in Boston, MA. With fewer than 10 employees, GoingClear Interactive has nearly two decades of experience working with mostly small and mid-market businesses. Their services include web design, web development, and e-commerce development.

Kevin Leary is a freelance web developer based in Boston who specializes in single page app development. With a background in Angular, data visualization, and analytical UX/UI, Kevin helps build web applications and websites for clients across the U.S. Founded in 2007, kevinleary.net creates custom WordPress themes and plugins for clients and writes code for large brands.

MESH Interactive Agency is a full-service content marketing agency based out of Boston. Founded in 2006, the team of 11 specializes in advertising, branding, and content marketing. 

Mobile application development company WillowTree, Inc. was founded in 2007. With headquarters in Charlottesville, Va., and offices in New York and Durham, N.C., WillowTree has a team of 200+. They offer full-service development for both iOS and Android platforms, including mobile strategy, user experience design, testing, launching, and maintenance. 

Founded in 2009, Traktek Partners is a marketing agency headquartered in Needham, Mass. With a focus on mid-market and enterprise companies, a team of 14 specializes in web development, web design, digital strategy, marketing strategy, and PPC. Traktek Partners' clients are typically in the hospitality, leisure, health care, and information technology industries.

NIX is a cloud consulting & SI company. They are headquartered in Tampa, Florida; Boston, Massachusetts; Kefar Sava, Israel and London, England and have a large team that provides cloud consulting & SI, IT staff augmentation, Custom Software Development, Web Development, and more. The agency was launched in 1994.

OrangeLoops is a software development company headquartered in Boston, with an additional office in Montevideo, Uruguay. The company, founded in 2015, has a team of 22 people who exclusively provide mobile app development and web development services. They work with mid-market businesses that are mostly in the advertising & marketing, health care & medical, and retail industries. 
 

Echo&Co is a primarily UX/UI agency headquartered in Somerville, Mass., with satellite offices in Louisiana, Virginia, Michigan, and British Columbia. It is a full service digital agency of about 20 employees. In addition to UX/UI, Echo&Co provides web development and product design services. The agency works primarily with midmarket businesses.

Founded in 2015, SERPCOM is a full-service digital marketing agency based in Boston, Mass., with an additional location in Quincy, Mass. With a team of 7, SERPCOM focuses on SEO, web development, and web design. The travel company appreciated that SERPCOM was proactive in proposing website upgrades, including improved security features. With SERPCOM's assistance, the travel company experienced a 100% increase in web traffic.

Iterators, LLC is a software testing company based in Boston. Founded in 2017, the team of 4 specializes in application testing.

Mpire Solutions is a small CRM consulting and SI company. The Boston, Massachusetts-based firm was launched in 2010. Their services include CRM consulting and SI, Custom Software Development, Web Development, E-Commerce Development, and more.