RS Assurance & Advisory (RSAA) is a CPA-led assurance and advisory firm helping organizations prepare for audits, meet regulatory requirements, and strengthen security. Its services span the compliance lifecycle, from readiness and advisory support to independent examinations and reporting. RSAA provides SOC 1, SOC 2, and SOC 3 readiness and attestations, as well as HIPAA advisory and HITRUST readiness support.

For federal and defense requirements, the firm offers CMMC readiness and guidance related to NIST 800-53 and NIST SP 800-171. It also supports ISO 27001 readiness and security testing, including penetration testing coordination, validation, and risk interpretation. RSAA describes its approach as practical, structured, and risk-based, with attention to how frameworks intersect and where efforts can be streamlined.

The firm emphasizes clear separation between advisory and attestation work to preserve independence, along with transparent guidance from readiness through validation and reporting. Through consultations and educational resources, RSAA helps organizations demonstrate controls, respond to customer and regulatory scrutiny, and pursue assurance with greater clarity