120°W110°W100°W90°W80°W70°W25°N30°N35°N40°N45°N50°NMatrixSpaceASI (Air Space Intelligence)Blue Water AutonomyCorridianSea Machines RoboticsDefense tech startups in Boston
5 defense and dual-use startups headquartered in Boston (Boston and Burlington), working across Autonomy & AI, Maritime and Sensors & Comms. Together they have disclosed $199M in funding, led by Blue Water Autonomy (~$64M). The newest round on record is Corridian's Seed (Nov 2026).
Latest rounds
| Date | Company | Round | Amount | HQ | Sector |
|---|---|---|---|---|---|
| Nov 2026 | Corridian | Seed | $38M | Boston, MA | Maritime |
| Oct 2026 | ASI (Air Space Intelligence) | Series C | $325M | Boston, MA | Autonomy & AI |
| Oct 2025 | MatrixSpace | Series B | $20M | Burlington, MA | Sensors & Comms |
| Sep 2025 | Blue Water Autonomy | Series A | $50M | Boston, MA | Maritime |
All companies
Full directoryCorridian
Boston, MassachusettsBuilds ultra-large autonomous underwater vehicles that haul containerized payloads over thousands of nautical miles for undersea logistics.
ASI (Air Space Intelligence)
Boston, MassachusettsBuilds AI planning and monitoring software for air traffic, airline and military operations, including command and control for the Army and Air Force.
MatrixSpace
Burlington, MassachusettsMakes portable AI-enhanced radar and edge sensing units that detect, classify and track small drones for counter-UAS and airspace awareness.
Blue Water Autonomy
Boston, MassachusettsBuilds long-range, fully autonomous ships of 100 to 150 feet designed from the keel up for US Navy fleet missions.
Sea Machines Robotics
Boston, MassachusettsMakes autonomy and remote command systems that convert crewed vessels into uncrewed boats, plus the STORMRUNNER autonomous craft.
Questions
How many defense tech startups are in Boston?
We track 5 defense and dual-use startups in Boston, as of November 14, 2026.
Which defense tech startup in Boston has raised the most?
Blue Water Autonomy, with ~$64M in disclosed funding.