Cohorts of 2011

Companies whose accelerator cohort started in 2011. 256 companies.

CompanyClusterProgramStatusLast signal
Clerky

Makes legal paperwork easy for startups and their attorneys.

Security and complianceLegal document automation for startupsY CombinatorS11Activechecked 2026-08-23
Cryptoseal

Server key management, VPN as a Service, Privacy VPN. Sold to…

Security and complianceVPN and server key managementY CombinatorS11Acquiredchecked 2026-08-17
Sift

The Leader in Digital Trust & Safety

Security and compliancefraud prevention and digital trustY CombinatorS11Activechecked 2026-08-23