ISO 27001 Compliance: The Complete Guide
International Information Security Management System (ISMS) certification under ISO/IEC 27001:2022.
What is ISO 27001?
International Information Security Management System (ISMS) certification under ISO/IEC 27001:2022.
Who needs ISO 27001?
Organizations selling into EU, UK, APAC, and global enterprise markets where ISO 27001 certification is a standard procurement requirement, particularly financial services, RegTech, healthcare technology, and B2B SaaS expanding internationally.
Cost & timeline
First certification: typically $20,000–$60,000 including certification body fees and consultant support. Timeline: six to twelve months depending on ISMS maturity and organization size.
Control categories
| Category | Controls | Learn more |
|---|---|---|
| Organizational controls (A.5) | ~37 | N/A |
| People controls (A.6) | ~8 | N/A |
| Physical controls (A.7) | ~14 | N/A |
| Technological controls (A.8) | ~34 | N/A |
The honest answers
US enterprise buyers usually ask for SOC 2 first. ISO 27001 is stronger for global deals. AuditOak maps work across both so you don't start from zero.
SOC 2 is attestation against Trust Services Criteria. ISO 27001 certifies your ISMS against Annex A controls. Overlap is significant, that's why cross-framework mapping matters.
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