Startup Directory
Top Startups in Boston - 2026 Startup Directory
Last updated: · 16+ companies
Boston remains an important startup market because location still shapes hiring, distribution, and investor access. This page helps readers compare funded startups, visible founders, and related hub routes without hopping across scattered sources. Boston stands out for operator density and market access. Companies like high-signal startups show how local ecosystems create repeat operators and category depth over time. In 2026, location-specific startup research matters because buyers, investors, and candidates all want to know where conviction is clustering, not just which company raised most recently.
CFCommonwealth Fusion
Building the path to clean, carbon-free, limitless energy Sustainability Renewable Energies
Last round: Series B Khosla Ventures, $2B Series B in 2021
RTROME Therapeutics
ROME Therapeutics is developing novel therapies for cancer and autoimmune diseases by harnessing the power of the repeatome. Biotech Healthcare Pharmaceuticals
Last round: Series B Andreessen Horowitz, $50M Series B in 2021, $70M valuation
SMScipher Medicine
Scipher Medicine develops a healthcare platform designed to determine which drug will work best for each patient. Healthcare Biotech
Last round: Series D Khosla Ventures, $110M Series D in 2022
BBiofourmis
Biofourmis is a biotechnology company that augments personalized care and therapies using digital therapeutics. Healthcare Biotech
Last round: Series C Sequoia, $100M Series C in 2020, $700M valuation
SSilk
Silks optimizes the cloud, allowing organizations to get 10x the performance while spending 30% less SaaS Enterprise Software
Last round: Series B Sequoia, $55M Series B in 2021
ZHZus Health
Zus empowers an entirely new wave of healthcare builders to create technologies and services without the usual blockers Healthcare Medical Software
Last round: Series A Andreessen Horowitz, $40M Series A in 2023
DHDevoted Health
Devoted Health is a healthcare company serving seniors and giving them a health care plan with personal guides and world-class technology. Healthcare Elder Care
Last round: Series D Andreessen Horowitz, $362M Series D in 2021, $1.1B valuation
SDStarburst Data
Starburst Data is a data access and analytics company developing an SQL query engine. Software Analytics Data Science
Last round: Series D Andreessen Horowitz, $250M Series D in 2022, $3.4B valuation
AAsimov
Asimov builds tools to program living cells. Biotech
Last round: Series B Andreessen Horowitz, $175M Series B in 2023
EeGenesis
eGenesis is a life sciences company focused on development and commercialization of engineered organisms for the benefit of human health. Biotech
Last round: Series C Khosla Ventures, $125M Series C in 2021, $99M valuation
DDigital.ai
Leading provider of software delivery automation for the enterprise. Enterprise Software Developer Tools
Last round: Series B Accel, $122M Series B in 2018
DTDyno Therapeutics
Dyno Therapeutics uses artificial intelligence for gene therapy. Healthcare Biotech Artificial Intelligence
Last round: Series A Andreessen Horowitz, $100M Series A in 2021
CTCAMP4 Therapeutics
BioTech. Solving how genes are controlled to drive the efficient development of treatments. Biotech
Last round: Series B Andreessen Horowitz, $100M Series B in 2022
DDevo
Devo is a cybersecurity company that provides cloud-native logging and security analytics for organizations. Cybersecurity Enterprise Software
Last round: Series F Bessemer, $100M Series F in 2022, $2.0B valuation
FLFractyl Labs
Developing an Innovative Endoscopic Outpatient Procedure to Improve Glycemic Control for Type 2 Diabetes Healthcare Medical Devices
Last round: Series F Bessemer, $100M Series F in 2021
EEmulate
Emulate is focused on commercializing Organs-on-Chips. Healthcare Biotech
Last round: Series E Founders Fund, $82M Series E in 2021
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Frequently Asked Questions
Practical questions readers ask before comparing companies, founders, and market momentum.
What can I learn from the startups in Boston page?
You can compare funded startups, visible founder profiles, and related discovery routes tied to Boston.
Why does Boston matter as a startup hub?
Boston matters because of operator density and market access.
How should I use a city-based startup page?
Start with geography, then move into industry, stage, investor, and founder routes for deeper research.
Are all startups here headquartered in Boston?
They are mapped to Boston using available directory context such as headquarters or operating base.
Can candidates or buyers use this too?
Yes. Location pages help both candidates and buyers identify where activity is concentrated.