ISO 27001 vs SOC 2: Which One Should Your Startup Choose?

ISO 27001 vs SOC 2: Two Approaches, One Goal

ISO 27001 and SOC 2 are the two most requested security frameworks by enterprise clients. Both prove you take security seriously, but they differ fundamentally in approach, scope, and geographic recognition.

Detailed Comparison

Criteria	ISO 27001	SOC 2
Type	International certification	Audit attestation (US)
Body	ISO / accredited bodies	AICPA / CPA auditors
Recognition	Worldwide, strong in EU & Asia	Primarily North America
Approach	ISMS (Management System)	Specific controls
Validity	3 years (annual surveillance)	12 months (annual renewal)
First year cost	€25-80k	€30-80k

Decision Guide

Choose ISO 27001 if:

• Your primary market is Europe or international
• Your clients are in regulated sectors (finance, health, government)
• You're targeting NIS 2 or DORA compliance
• You want a structured long-term security program

Choose SOC 2 if:

• Your primary market is North America
• Your prospects explicitly ask for a SOC 2 report
• You want something fast to unblock deals
• You're a B2B tech SaaS

Do both if:

• You sell on both continents
• You have enterprise clients in both Europe and the US

Good news: both frameworks share 60-70% of controls. If you get one, the second is considerably faster. Compli.st automates this cross-mapping so you answer once and cover both.

Get ISO 27001 and SOC 2 with Compli.st →