Top 100 Software Development Companies in Boston

INNOVANT is a Westwood, Massachusetts-based software development company. The midsize team provides custom software development, IT staff augmentation, ux/ui design, web development, and more and was established in 2011.

Ballast Lane Applications is an app development company founded in 2011 and located in Marblehead, Mass. The team of fewer than 50 employees offers custom software development and mobile app development services. Their clientele comprises mostly small businesses.

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.

Apriorit is a software product engineering company founded in 2002 with offices in Dover, Del., and Budapest, Hungary. Apriorit boasts a team of more than 200 employees who are well-versed in custom software development, web development, and mobile app development. 

Blackburn Labs is an app development company based in Providence R.I. and founded in 2015. Their team of 2 employees specializes in custom software development, mobile app development, and enterprise app modernization for clients of all sizes in the healthcare, real estate, and marketing industries.

Established in 1993, Kanda Software has grown to a 165-person team.  Based in Newton, Massachusetts,  they provide custom software development, cloud consulting, and web development services to small and midmarket businesses in the health care, IT, and advertising industries.

Galaxy Weblinks is a web development & mobile app development company established in 1998. Headquartered in Boston and with locations in McLean, Va., Los Angeles, India, and Australia. Their team of 400+ has delivered more than 1,000 projects to their 200+ clients of all sizes and industries.

First Line Software is a custom software development provider headquartered in Cambridge, MA, with additional offices in Den Haag, Netherlands, and Prague. Founded in 2009, First Line's team of over 650 employees focuses on custom software development but also offers web development, e-commerce development, mobile app development, and more.

Founded in 2017, Valere Labs is a custom software development firm. Located in Shrewsbury, Massachusetts, their small team focuses on custom software development, mobile app development, web development, Artificial Intelligence, and more.

Founded in 2010, DockYard is a digital product agency in Boston that focuses on custom software, mobile and web app design and development. DockYard caters to startups, mid-market, and enterprise clients nationwide and also offer UX, staff augmentation, and training. Their 80-person team develops using Ember, Elixir, and Phoenix. 

Dept is a web development firm that was founded in 2016. They have a team of over 1,300 employees, spread out over four offices in Boston, Amsterdam, Berlin, and Manchester, U.K. They offer web development, UX/UI design, and web design to midmarket and enterprise companies across the globe.
 

Bit by Bit Computer Consultants is a 54-person IT firm founded in 1987. With headquarters in New York, they offer IT managed services, cybersecurity, custom software development, and other IT consulting & SI. They serve small and midmarket businesses in the financial, legal, and nonprofit industries.  

Aciron Consulting, Inc. is a business technology and management consulting firm located in Cambridge, Mass. The company was founded in 2006 and their team of around 30 provides custom software and database development, Microsoft SharePoint consulting, IT strategy, project management, and website design and development for various companies.

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. 

Projekt202 is a software development and marketing company based in Addison, Texas. They were founded in 2003 and have a team of 285 employees. They specialize in custom software development, UX/UI design, and mobile app development to improve their client’s customer and employee experiences. 

Echobind is a mobile app and web development consultancy whose services include code audits, custom training, and digital strategy. Based in Boston, MA with an office in Louisville, KY, this team of 2-10 creates digital products that inspire users and empower businesses.

Since 2011, Ajackus's team of about 20 engineers has provided web development, mobile app development, and UI/UX design to clients in 5 different continents around the world. 

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. 

AGIL f(x) is a custom software development company launched in 2015. Located in Boston, Massachusetts, their small team focuses on custom software development, IT strategy consulting, and IT managed services.

WDB Agency helps organizations in the education, technology, finance, and luxury industries to develop creative technology solutions, and execute high value marketing strategies.They are headquartered in Watertown, MA

Proxet (ex-Rails Reactor) is a software development company founded in 2009 and based Boston with over 50 experts. They specialize in custom software, AR/VR, and mobile app development services for clients in the industries of health care, retail, and financial services.

Boston-based Enplus Advisors is both a data science consultancy and custom software development firm. Their president, one of fewer than five employees, has extensive experience in both fields. Despite the firm's small size, their clients include businesses at all stages of growth and across industries from financial services to entertainment. 

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.

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.

Mpire Solutions is a Boston based software development company. They were founded in 2010 and have a team of 11 employees who specialize in UX/UI design, custom software development, and digital strategy.

SYNERGY Consulting is a development agency based in New York with more than 10 experts. Founded in 2006, they specialize in mobile app development, custom software development, and UX/UI design solutions for clients ranging from small companies to large firms.

Next Idea Tech, Inc is a custom software development firm headquartered in Beverly, Mass. Founded in 2018, the team has less than 10 employees who primarily provide custom software development and web development services. They work with mid-market and small businesses and work in the health care & medical, e-commerce, advertising & marketing industries. 
 

Zagaran, Inc. is a Harvard-alumni led software development company headquartered in Boston, MA that offers web development, custom software, and mobile apps. Their team has provided software development for clientele ranging from Global 500 companies to universities to government agencies, working primarily with Python, Django, and React/Angular.

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. 
 

Aclarify is a small custom software development firm based in Boston, Massachusetts. They provide custom software development, mobile app development, web development, enterprise app modernization, and more and were founded in 2022.