ISO27001 Internal Audit

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ISO 27001 internal audit

ISO27001 Internal Audit

An ISO27001 Internal Audit is a systematic review designed to assess your organisation’s information security management system (ISMS) against the requirements of the ISO 27001 standard. Conducting regular internal audits demonstrates your business’s commitment to data protection, continual improvement, and regulatory compliance – trusted by clients, partners, and regulators worldwide. With a robust internal audit process, you identify vulnerabilities, strengthen controls, and ensure your ISMS remains effective and ready for external certification. Compliancy Group guides you through every step – making ISO 27001 internal audits clear, practical, and a genuine business advantage.

Why Choose Compliancy Group?

We understand the complexities of information security and internal auditing. Our team brings hands-on experience with ISO 27001 audits, risk assessments, and sector-specific security challenges.

No one-size-fits-all here. Whether you need a one-off internal audit, ongoing audit programme, staff training, or compliance advice, our services are fully customised to your ISMS. We offer flexible support packages—from essential guidance to comprehensive on-site consultancy.

We work exclusively with UKAS-accredited certification bodies and maintain a 100% pass rate for compliance assessments. Our clients trust us to deliver results that stand up to audit and regulatory scrutiny—helping you achieve, maintain, and leverage ISO 27001 compliance for business growth.

Compliance shouldn’t slow you down. We help you build more secure operations, reduce risk, and improve efficiency—so you can focus on your core business.

You’ll work directly with our expert team, including leadership involvement from our CEO. We pride ourselves on responsive communication, clear guidance, and ongoing support throughout your compliance journey.

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ISO 27001 Internal Audit Benefits for Your Business

Demonstrate robust information security to secure contracts and reassure clients.

Show your commitment to data protection, best practice, and legal responsibilities.

Identify weaknesses and address them before they become costly incidents.

Enhance your standing as a responsible and trusted organisation.

Regular internal audits foster a culture of ongoing security and operational excellence.

Unlock New Opportunities

Boost Credibility

Strengthen Reputation

Strengthen Reputation

Drive Continuous Improvement

Benefits of Compliancy Group Services

From planning to reporting, our team ensures you’re always prepared and confident.

We streamline the audit process, freeing up your team to focus on core business activities.

Services are tailored to your specific ISMS and business needs, not generic templates.

Ongoing support, training, and regulatory updates keep your ISMS compliant long after the audit.

Our 100% compliance pass rate and exclusive partnerships with UKAS-accredited bodies mean you’re in safe hands.

Expert Guidance at Every Step

Time & Resource Savings

Customised Solutions

Relevant Certifications & Accreditations

FAQ's - ISO27001 Internal Audit

However, unlike a certification review where an organization must use an external third party to conduct the audit, either staff within an organization or an independent third party—such as a consulting firm—can perform an audit.
While ISO 27001 itself is not a legal requirement, compliance with this standard can help organisations meet various regulatory requirements. For instance, it aligns well with the principles of the General Data Protection Regulation (GDPR) in the EU, which has implications for UK businesses dealing with EU data.
An ISO 27001 internal audit is exactly what it sounds like: an audit that your organization conducts internally to assess whether your information security management system (ISMS) still satisfies the ISO 27001 standard.
The certification audit process can take 2-3 months and is broken down into two stages.
Continual Improvement: ISO 27001 requires organizations to adopt a continuous improvement approach, leveraging audits, management reviews, and the monitoring of ISMS processes to evolve the system over time to ensure its effectiveness and relevance.
How do you check if a company is ISO 27001 certified? There isn't a public register of certified companies. But certified companies will have been issued with a certificate by their certification body so you can ask to see a copy.
CBs are the organizations that are accredited to issue certificates to organizations. There are many CBs in several countries and due to the international accreditation regime all certificates issued by accredited CBs are mutually recognised globally.
Internal audits every year
After failing an ISO audit, a business will be given detailed information about the reasons for failure and actions required to address these reasons. This information identifies areas of nonconformity and should be used a guide for areas to address before a follow-up or fresh audit.
One of the key requirements to obtain an ISO 27001 certification is to conduct regular internal audits of the information security management system (ISMS). Internal audits help organisations to identify and address any weaknesses in their ISMS and to ensure that it is operating effectively.