As of May 2026, there are 442 SaaS companies based in Boston. They have combined revenues of $11.7B and employ 65.4K employees. They've raised $12.4B in capital and serve 413.4M customers combined.
Sorting: Highest -> Lowest
Showing 10 of 67 companies ranked by annual revenue.
Boston, Massachusetts, United States
Indico Data's Decision Automation Platform powers insurance with real-time, actionable insights from unstructured data—fueling smarter risk assessment, sharper claims evaluation, and streamlined policy management.
Boston, Massachusetts, United States
Purpose-built platform for data professionals and teams to learn skills, showcase projects and connect with experts
Boston, Massachusetts, United States
DeNexus is an industrial cyber risk modeling and quantification company.
Boston, MA, United States
Fastr Frontend is the first AI-enhanced Digital Experience Composition platform built for ecommerce leaders, empowering them to rapidly create, deploy, and optimize dynamic shopping journeys that engage customers and grow revenue. Combining best-in-class design tools with powerful integration and orchestration capabilities, Fastr Frontend allows non-developers to control every aspect of their ecommerce site without dependence on developers. The AI-fueled acceleration in speed-to-market for new ideas fosters business-critical experimentation and ongoing adaptive experience optimization. In 2023, the makers of Fastr Frontend established Fastr as the corporate identity for two newly unified businesses: Zmags, founded in 2006 and known for its Publicator digital catalog solution and Creator Studio software, and Be A Part Of, the award-winning agency that Zmags acquired the prior year. Headquartered in Boston with a distributed worldwide team, Fastr powers innovative ecommerce experiences for brands and retailers of all sizes through its business-empowering technology platforms and custom design and development services packages. Fastr is backed by Akmazo Capital.
Boston, Massachusetts, United States
RevenueBase replaces data nightmares for B2B companies with a complete and accurate Revenue Database as a Service that’s completely aligned with their go-to-market strategy.
Boston, Massachusetts, United States
Reprise is the leading AI-powered demo platform for enterprise software companies. Reprise demos are auto-configured, auto-populated, and auto-maintained using scalable AI. This automation lets users easily build hundreds of environments that can be used for live sales demos, personalized leave-behinds, interactive product tours, and more — all in a single platform. With Reprise, enterprise go-to-market teams are proven to shorten their sales cycles, lower acquisition costs, and increase conversions. Reprise has been recognized for its market leadership by Gartner, Forrester, and G2 and is backed by ICONIQ Growth, Bain Capital Ventures, Accomplice VC, and Glasswing Ventures. Reprise has served millions of demos to date for enterprise customers like Databricks, UKG, ServiceNow, and Zendesk.
Boston, Massachusetts, United States
Stellaromics is a biotechnology company specializing in 3D in situ multi-omic analysis technology, founded in 2022 in Natick, Massachusetts. The company is focused on pioneering breakthroughs in 3D spatial multi-omics and provides tools for neuroscience and cancer studies.
Boston, Massachusetts, United States
AVS is a medical device company focused on safely and effectively treating calcified arterial disease.
Boston, Massachusetts, United States
Enabling Lasting, Trusted Connections Between Brands And Consumers. jrni is the first in-person interaction platform focused on customer acquisition and retention. Our solutions are designed to promote brands, grow businesses, drive customer journey personalization, and engage targeted audiences. We believe that the greatest differentiator in the age of AI is human connection. Our enterprise-grade appointment scheduling, queuing, analytics, and event management platform optimizes the customer journey through powerful personalized experiences both in-person and virtually.
Boston, Massachusetts, United States
Developer of a cyber-security platform intended to provide internet security and intelligence management services. The company's cyber-security platform helps to defend against cyber threats through automation and detection of known threats, freeing up FTE and consolidating expert resources, enabling users to uncover and take action against unknown threats and targeted attacks.
Each Tuesday, we reverse-engineer a real SaaS company's revenue, profit, CAC, funnels, and its top growth tactic.
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