Best fractional CISOs in the US

5 firms and practitioners offer fractional CISO work in the US, counting those that work worldwide. First on the list are TechCXO, Cyber Defense Group and Fractional CISO. TechCXO is the editor's pick. None of them publishes a fee, so the first call sets the price.

Updated 21 Oct 2026 Listed 5 Order published rule

Engagements usually run 6 to 12 months or longer, because a SOC 2 Type 2 report needs an observation window of three months or more.

4

Go Fractional

Marketplace. CFO, CMO, COO, CRO, CTO, CPO, CHRO, CISO, General Counsel.

5 named clients Serves US
Fee on request no minimum

How this list is built. Every firm and practitioner here offers fractional CISO work on its own site and serves the US or works worldwide. Order is editor's pick, then a published fee, then name. Nobody pays to appear or to move up. Full methodology.