SOC 2 vs. ISO 27001: Which Does Your Company Need?

Sooner or later, a large customer's security team will ask whether you're SOC 2 compliant or ISO 27001 certified. Both are widely respected, and both take real work to achieve. Which should you pursue first?

What is SOC 2?

SOC 2 is an attestation framework from the AICPA. An independent auditor evaluates your controls against the Trust Services Criteria: security, and optionally availability, processing integrity, confidentiality and privacy. The result is a detailed report you share with customers under NDA.

Type I vs. Type II

A Type I report assesses whether controls are designed properly at a single point in time. A Type II report tests whether they operated effectively over a period, typically six to twelve months. Most enterprise buyers want Type II.

What is ISO 27001?

ISO/IEC 27001 is an international standard for an information security management system (ISMS). Certification bodies audit whether you have a working, risk-driven management system and appropriate controls from Annex A. The result is a certificate you can publish openly.

Key differences

Geography and audience

SOC 2 is the default expectation for SaaS vendors selling to North American companies. ISO 27001 carries more weight in Europe, the Middle East and Asia-Pacific, and with global enterprises.

Output

SOC 2 produces a long, confidential report describing your controls and test results. ISO 27001 produces a certificate plus a statement of applicability.

Approach

SOC 2 focuses on whether specific controls operate. ISO 27001 focuses on whether you run a management system that continually identifies and treats risk.

Which should you choose?

Look at your pipeline. If most prospects are US-based and ask for a SOC 2 report, start there. If you sell internationally or into regulated European industries, ISO 27001 may open more doors. Many companies eventually do both, and because the controls overlap heavily, the second one is much faster.

Making audits less painful

The hardest part of either audit is collecting evidence continuously rather than scrambling before the auditor arrives. A compliance hub that maps each control to automated evidence keeps you audit-ready all year.