ISO 27001 and SOC 2 are two of the most widely recognised security frameworks, often required by organisations operating in sectors that handle highly sensitive data. From public sector bodies to defence and enterprise clients, businesses increasingly need assurance that their partners maintain robust cybersecurity practices.

Both frameworks provide that assurance, but they do so in different ways. So, how do you decide which is right for your organisation?

The answer typically comes down to four key considerations:

1. What jurisdiction are you operating in?

Geography and market expectations play a significant role in your decision.

ISO 27001 is globally recognised and widely adopted across Europe, the UK, and Asia, making it a strong choice for organisations operating internationally or working with multinational clients.

SOC 2, on the other hand, is more commonly recognised in North America, particularly among technology companies, SaaS providers, and cloud-based organisations. If your customer base is primarily US-focused, SOC 2 is often expected.

2. Do you need certification or attestation?

One of the fundamental differences between the two frameworks is how they are assessed and presented.

ISO 27001 provides a formal certification, demonstrating that your organisation has implemented an Information Security Management System (ISMS) that meets a defined global standard.

SOC 2 delivers a detailed attestation report, which evaluates how effectively your controls operate over time. This report can be shared with clients, offering greater transparency into your security posture.

For organisations that need to demonstrate trust quickly to customers, particularly in sales cycles, SOC 2 can provide a more detailed and client-friendly output.

3. How much flexibility do you need in your security controls?

ISO 27001 follows a structured framework of controls (outlined in Annex A), but importantly, it allows organisations to select and justify controls based on their risk profile. This means there is some flexibility, but within a formalised management system.

SOC 2 is based on the AICPA’s Trust Services Criteria and is inherently more flexible. Organisations define their own controls, provided they meet the relevant criteria. This allows businesses, particularly fast-growing tech companies to tailor controls more closely to their operations.

4. Are you storing sensitive data in the cloud?

If your organisation operates in the cloud or handles customer data, both frameworks can demonstrate strong security practices, but they are often used differently.

SOC 2 is specifically designed for service organisations, especially those delivering SaaS, PaaS, or IaaS solutions. It is widely used to assure customers that their data is being handled securely in cloud environments.

ISO 27001 applies more broadly to any organisation managing information security, regardless of whether it operates in the cloud, on-premise, or in a hybrid model. However, for purely cloud-native businesses, it can sometimes be seen as more comprehensive than necessary, depending on client expectations.

Conclusion

ISO 27001 and SOC 2 are both highly respected security frameworks, but the right choice depends on your organisation’s location, client base, and operational model.

ISO 27001 is a globally recognised certification, often preferred by organisations operating across multiple regions or within regulated industries. SOC 2 is more commonly used in North America and among cloud-based service providers that need to demonstrate security controls directly to customers.

Ultimately, the decision isn’t about which framework is “better”—it’s about which aligns most closely with your business goals and customer expectations.

How Intrepid Can Help

At Intrepid, we support organisations in navigating security frameworks such as ISO 27001 and SOC 2, from initial assessment through to implementation and certification or attestation.

If you’re unsure which route is right for your business, we can help you define the best approach and guide you through the process.

To learn more about our Security and Technology offerings, contact us at sales@beintrepid.co.uk to arrange a free consultation and Q&A session.