ISO 27001 Internal Audits that Strengthen Security and Readiness

Objective. Thorough. Certification-Aligned.

ISO 27001 Internal Audits That Strengthen Compliance and Controls

Wintersmith Advisory delivers ISO/IEC 27001 internal audits that evaluate compliance, test the strength of your controls, and prepare your ISMS for certification or surveillance reviews—with clarity and precision.

Why choose Wintersmith Advisory for ISO 27001 auditing?

• ISO/IEC 27001:2022-aligned internal audits

• Risk-based, objective audit approach per ISO 19011

• Focused on control effectiveness, not just documentation

• Findings linked to Annex A and risk treatment plans

• Actionable reports and support for corrective action

• Certification and surveillance audit preparation

Internal Audits That Drive Real Security Assurance

An internal audit is one of the most critical components of an effective ISMS—and a key requirement of ISO/IEC 27001. Wintersmith Advisory delivers structured, impartial information security audits that go beyond checklists to test the effectiveness of controls, identify nonconformities, and guide corrective action.

Simulated Audit Rigor with Practical Insights

Our audits are designed to simulate external audits, giving you full insight into your readiness for certification, recertification, or client review. We evaluate controls across people, process, and technology; trace implementation against Annex A; and align findings with your risk register. Whether you're in your first cycle or a mature program, we help you validate, improve, and protect.

Standards-Based. Confidential. Improvement-Focused.

• Aligned with ISO/IEC 27001:2022 and ISO 19011

• Risk-based audits with practical, improvement-focused insights

• Independent, confidential audit execution

• Experience across tech, healthcare, services, and manufacturing

Let’s Prepare Your ISMS for What’s Next

Need a credible internal audit for your ISO 27001 system?
Let’s discuss how we can support your audit and certification goals.