BARR Advisory provides cybersecurity compliance audit and attestation services across multiple regulatory frameworks and industry standards. The firm offers audit services for SOC reports (SOC 1, SOC 2, SOC 3, SOC for Cybersecurity), ISO certifications (ISO 27001, ISO 27017, ISO 27018, ISO 27701, ISO 42001), HITRUST, PCI DSS, CSA STAR, HIPAA, and privacy regulations including GDPR, CCPA, GLBA, and Microsoft DPR. The service operates as a qualified security assessor (QSA) firm for PCI DSS and maintains accreditation as a certification body for multiple frameworks. BARR Advisory is positioned as one of few U.S. auditing firms qualified to audit against all major security frameworks. The firm offers a coordinated audit approach that allows organizations to work with a single team across multiple compliance frameworks simultaneously. This approach consolidates audit activities, provides a consistent point of contact, and aims to reduce the time and operational disruption typically associated with managing multiple separate audits. Services target organizations across regulated industries including technology, financial services, healthcare, and government sectors. The firm serves cloud service providers (IaaS, PaaS, SaaS) and organizations ranging from startups to enterprises. Team members hold industry certifications including CISA, CISSP, ISO Lead Auditor, and HITRUST CCSFP.