Keythorn
Keythorn is an a16z speedrun SR007 company. Based in San Francisco, California, United States of America. Team of 3, founded in 2026.
About Keythorn
Summary
Keythorn builds the liability insurance layer for companies deploying AI agents, chatbots, and autonomous workflows. It stress-tests and monitors those systems, produces a technical risk profile, and uses that assessment to place AI liability coverage, replacing the guesswork of legacy underwriting with evidence-based evaluation. Enterprises use the coverage to satisfy procurement requirements and enter regulated industries; insurance carriers use Keythorn to underwrite AI risk they cannot yet evaluate in-house.
Business model
A fee for technical assessment and certification, plus placement of AI liability coverage policies.
Go-to-market
Keythorn targets two sides: enterprises deploying AI that need coverage to close deals, reached through a waitlist and direct assessment intake, and insurance carriers that partner with Keythorn to access technically underwritten AI risk on their paper.
Facts
- Insurtech / Cybersecurity
- San Francisco, California, United States of America
- 3
- 2026
Founders (2)
- Casey Tewey
- Michael Wong
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