ISO 27001 Internal Auditing Services

Our ISO 27001 Internal Auditing services support organisations in maintaining compliance with ISO/IEC 27001 and ensuring the effectiveness of their Information Security Management System (ISMS). Patient Guard provides independent, expert audits to help you identify gaps, reduce risks, and achieve certification readiness.

Quality Assurance

ISO 27001 Internal Auditing Services

Organisations implementing or maintaining ISO/IEC 27001 must conduct regular internal audits to ensure their Information Security Management System (ISMS) remains effective and compliant with the standard.

Internal audits are a mandatory requirement under ISO 27001 and play a critical role in identifying nonconformities, assessing risk controls, and ensuring continuous improvement.

Patient Guard provides professional ISO 27001 internal auditing services, offering an independent and objective review of your ISMS against ISO/IEC 27001 requirements.

We help organisations prepare for certification audits, maintain compliance, and strengthen their information security controls.

Whether you are preparing for initial certification or ongoing surveillance audits, we ensure your ISMS is audit-ready and aligned with best practices.

ISO/IEC 27001 Internal Auditing

Why Choose Patient Guard for ISO 27001 Internal Auditing?

patient guard

Patient Guard have been a great support service to Cormed, providing help and advice promptly whenever requested. They have become a virtual department within Cormed enabling us to keep up to date and comply with the regulatory requirements whilst ensuring our QMS works for us at the same time.”

Tracey Slater, Cormed

What Our ISO 27001 Internal Auditing Service Includes

Who Requires ISO 27001 Internal Auditing?

ISO 27001 Requirements for Internal Audits

ISO/IEC 27001 requires organisations to conduct internal audits at planned intervals to ensure that the ISMS:

Internal audits must be independent, documented, and conducted by competent personnel.

Our Process

01

Audit planning

We define scope, schedule, and audit objectives.

02

Audit execution

We conduct the audit, including interviews, document review, and process assessment.

03

Reporting

We provide a detailed audit report with findings and recommendations.

internal audit services for ISO 27001

Areas we assess

We assess all key areas of your ISMS, including:

Cost of Service

Premium

ISO 27001 Internal Auditing

£ 5,000

From

Ensure ongoing  compliance and certification readiness with expert ISO 27001 quality audits. 

Audit Costs

  • Small Size Organisation (<10 employees) 5 day audit £5,000
  • Medium Size Organisation (10-50 employees) 7 day audit £7,000
  • Large Size Organisation (>50 employees) 9 day audit £9,000

Time Lines

01

Planning

1-4 weeks

02

Audit

5-9 days depending on organisation size

03

Reporting

2-4 days depending on organisation size

Frequently Asked Questions (FAQs)

An ISO 27001 internal audit is a systematic review of an organisation’s Information Security Management System to ensure compliance with ISO/IEC 27001 and identify areas for improvement.

Yes, internal audits are a mandatory requirement under ISO/IEC 27001 and must be conducted at planned intervals.

Yes, many organisations outsource internal audits to ensure independence, objectivity, and access to experienced auditors.

Internal audits should be conducted at planned intervals, typically annually, depending on the size and complexity of the organisation.

The duration depends on the size and complexity of your ISMS but typically ranges from 5–9 days.

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