BARR Advisory
BARR Advisory specializes in cybersecurity consulting and compliance for companies with high-value data in cloud environments (AWS, Azure, Google Cloud). It is authorized as a CMMC C3PAO and accredited to certify against ISO 27001, 27701, and 42001.
At a glance
| Headquarters | Kansas City, Missouri |
|---|---|
| Founded | 2014 |
| Firm type | Security and compliance advisory + attest practice |
| Type 2 planning range | $15K–$50K (published planning range (Sept 2026)) |
| Typical fieldwork window | 8–16 wk |
| Frameworks (per firm) | SOC 1, SOC 2, SOC 3, ISO 27001, ISO 27701, ISO 42001, PCI DSS, HITRUST, CMMC |
| Official website | barradvisory.com |
Best fit
Cloud-native companies that want one firm across SOC 2 plus ISO or CMMC.
Before you engage
Strong on consulting too — verify the attest team is separate to preserve independence.
Questions about BARR Advisory
Does BARR Advisory support ISO 42001 for AI companies?
Yes — public materials list ISO 42001 alongside SOC 2, SOC 1/3, ISO 27001, ISO 27701, PCI DSS, HITRUST, and CMMC.
What does BARR Advisory charge for SOC 2?
Our planning range is $15K–$50K (September 2026), based on published materials.
BARR does consulting and audits — is that a problem?
It is both an advisory and an attest practice. Verify the attest team is separate from any advisory work to preserve auditor independence.
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