Bishop Fox

Bishop Fox sells expert-led offensive security services: application, cloud and network penetration testing, red teaming and attack surface management. These run on its Cosmos platform, and in February 2026 it added a proprietary Cosmos AI engine to speed up testing. Customers are mainly large enterprises, including a large share of the Fortune 100, and revenue comes from services and platform engagements. Founded in 2005, it raised a $25M Series A in 2019 and a $75M Series B led by Carrick Capital in 2022. A $46M extension from WestCap followed in 2022, and total funding is reported at roughly $150M+.