The 12 Best SOC 2 Auditors in 2026
Ranked by real buyer interest on ISMS Directory over the last 30 days. Updated September 2026.
1. DNV
Global assurance provider offering ISO 27001 certification and risk-based management system audits, with deep Nordic and critical-infrastructure roots.
- SOC 2
- ISO 27001
- ISO 22301
- ISO 9001
- Multi-framework
2. I.S. Partners
Philadelphia CPA and compliance firm for SOC, HIPAA, HITRUST, PCI, and ISO 27001 assessments.
- SOC 2
- SOC 1
- HIPAA
- HITRUST
- PCI DSS
- ISO 27001
3. Schellman
Leading US IT compliance attestation firm for SOC 1/2/3, PCI, and ANAB-accredited ISO certifications including ISO 27001 and ISO 42001.
- SOC 2
- SOC 1
- ISO 27001
- ISO 42001
- ISO 27701
- ISO 22301
4. Johanson Group LLP
Boutique US CPA firm specializing in SOC 1/2/3 examinations and related security and compliance audits for growing companies.
- SOC 2
- SOC 1
- ISO 27001
- HIPAA
- Multi-framework
- CCPA
5. Coalfire
Enterprise cybersecurity and compliance assessment firm for FedRAMP, SOC 2, HITRUST, PCI, ISO 27001, and government frameworks.
- SOC 2
- FedRAMP
- HITRUST
- PCI DSS
- ISO 27001
- CMMC
6. Sensiba
Bay Area CPA firm with a technology assurance practice for SOC 2 and related reports.
- SOC 2
- SOC 1
- ISO 27001
- Multi-framework
- CMMC
- CSA STAR
7. BARR Advisory
Cloud-native compliance firm offering SOC 2 audits and ISO 27001 certification with coordinated multi-framework programs for SaaS.
- SOC 2
- ISO 27001
- FedRAMP
- HITRUST
- CMMC
- PCI DSS
8. Linford & Company
Denver CPA firm of former Big Four auditors specializing in SOC 2, HIPAA, FedRAMP, and HITRUST assessments.
- SOC 2
- HIPAA
- FedRAMP
- HITRUST
- Multi-framework
9. KirkpatrickPrice
Nashville licensed CPA firm for SOC 2, PCI, HIPAA, and ISO 27001 audits across US offices.
- SOC 2
- SOC 1
- PCI DSS
- HIPAA
- ISO 27001
- Multi-framework
10. GCAI Certification
Global Certification & Accreditation Institute (GCAI) delivers IAS-accredited ISO 27001 certifications and compliance audits across SOC 2, GDPR, HIPAA, NIST & AI standards. Built for startups and SMBs — rigorous audits, faster timelines, globally recognized results.
- ISO 27001
- SOC 2 Type 2
11. Tevora
Irvine cybersecurity and compliance firm for PCI, SOC 2, ISO 27001, HITRUST, CMMC, and FedRAMP.
- SOC 2
- PCI DSS
- ISO 27001
- HITRUST
- CMMC
- FedRAMP
12. A-LIGN
High-volume multi-framework audit firm for SOC 2, ISO 27001, HITRUST, FedRAMP, CMMC, and PCI, with dual ANAB/UKAS ISO pathways.
- SOC 2
- ISO 27001
- ISO 27701
- ISO 42001
- HITRUST
- FedRAMP
Compare at a glance
| Rank | Provider | Listed frameworks | Listed regions | Profile |
|---|---|---|---|---|
| 1 | DNV | SOC 2, ISO 27001, ISO 22301, ISO 9001, Multi-framework | Global, Europe, Norway +6 more | View profile |
| 2 | I.S. Partners | SOC 2, SOC 1, HIPAA, HITRUST, PCI DSS, ISO 27001 | United States, Global | View profile |
| 3 | Schellman | SOC 2, SOC 1, ISO 27001, ISO 42001, ISO 27701, ISO 22301 | United States, Global, Europe +1 more | View profile |
| 4 | Johanson Group LLP | SOC 2, SOC 1, ISO 27001, HIPAA, Multi-framework, CCPA | United States, Global | View profile |
| 5 | Coalfire | SOC 2, FedRAMP, HITRUST, PCI DSS, ISO 27001, CMMC | United States, Global, United Kingdom +1 more | View profile |
| 6 | Sensiba | SOC 2, SOC 1, ISO 27001, Multi-framework, CMMC, CSA STAR | United States | View profile |
| 7 | BARR Advisory | SOC 2, ISO 27001, FedRAMP, HITRUST, CMMC, PCI DSS | United States, Global | View profile |
| 8 | Linford & Company | SOC 2, HIPAA, FedRAMP, HITRUST, Multi-framework | United States, Global | View profile |
| 9 | KirkpatrickPrice | SOC 2, SOC 1, PCI DSS, HIPAA, ISO 27001, Multi-framework | United States, Global | View profile |
| 10 | GCAI Certification | ISO 27001, SOC 2 Type 2 | Global | View profile |
| 11 | Tevora | SOC 2, PCI DSS, ISO 27001, HITRUST, CMMC, FedRAMP | United States, Global | View profile |
| 12 | A-LIGN | SOC 2, ISO 27001, ISO 27701, ISO 42001, HITRUST, FedRAMP | United States, Global, Europe +2 more | View profile |
Frequently asked questions
- How is this SOC 2 Auditors ranking determined?
- Providers are first filtered to those that substantively cover SOC 2 Auditors in the ISMS Directory catalogue, then ordered by real buyer interest — the directory traffic and engagement each provider received over the last 30 days. It is not paid placement and it is not an editorial opinion.
- How often is the list updated?
- The ranking recomputes from live directory-demand data on a rolling 30-day window and refreshes roughly every 15 minutes, so it reflects current interest rather than a one-off 2026 snapshot.
- Why are only 12 providers shown?
- This list shows the top providers by demand for SOC 2 Auditors. Pages with fewer than three substantively-matching providers are not published at all, so every entry here represents a real, comparable option.
- How can my company appear here?
- Get listed in ISMS Directory with SOC 2 Auditors expertise. Ranking is earned through genuine directory demand — there is no way to pay for a position.