Find the right auditor,
on your timeline.
The independent marketplace for PCI QSA, SOC 2, ISO 27001, HITRUST, and HIPAA auditors. Browse verified firms by region, certification, and service area — no pay-per-lead tricks, no referral fees.
By compliance vertical
PCI QSA
Qualified Security Assessors for PCI DSS audits. Required for Level 1 merchants.
SOC 2
AICPA-licensed CPA firms issuing SOC 2 Type 1 and Type 2 attestation reports.
HITRUST
Authorized External Assessors (AEAs) for HITRUST CSF certification.
HIPAA
SOC 2 firms that also perform HIPAA Security Risk Analyses. No formal HIPAA registry exists.
ISO 27001
Certification bodies (CBs) accredited by IAF member bodies to issue ISO 27001 ISMS certificates.
Coverage you can actually use
442 firms indexed from the PCI Security Standards Council's official list. Filter by region — every U.S. state, plus international coverage from firms that span continents.
Auditors that work across frameworks
If you need PCI QSA + SOC 2, or HITRUST + ISO 27001, you don't need two searches. These firms are already accredited across multiple standards.
DECRYPT COMPLIANCE
Ernst & Young India
360 Advanced
A-LIGN
AMPCUS CYBER INC.
AWS Security Assurance Services
Aprio, LLP
Avertium
BARR ADVISORY, P.A.
CliftonLarsonAllen LLP
Coalfire
CompliancePoint
How it works
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Filter by geography, certification, and Associate QSA support. See the whole market, not just who paid for placement.
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Reach out via the firm's own contact info. No intermediary, no referral fees, no commissions paid to Attestio.
Get found by buyers who are ready to engage.
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