
Internal audit services for retrofit contractors, training providers and compliance-focused organisations across the UK, assessing your systems, identifying gaps and preparing you for external assessment.
An internal audit services provides an independent review of how effectively your procedures and controls are working. Documented policies are not enough — organisations also need to demonstrate that procedures are followed consistently and that appropriate records and evidence are maintained. An internal audit can help you:
Our audits focus on providing useful, practical findings rather than simply creating a checklist of problems.

Audits based on your organisation’s activities, applicable requirements and audit objectives — covering conformity, non-conformity and opportunities for improvement.



Depending on your requirements, our compliance audits can review your systems against the standards and scheme requirements most relevant to your organisation.





Preparing for an external certification audit without first reviewing your systems can lead to avoidable non-conformities. Our pre-certification and mock audits help UK organisations understand whether their systems are ready for formal assessment — giving you the chance to identify gaps, take corrective action and improve supporting evidence beforehand. We can support preparation for:
A structured audit process designed to provide clear findings and practical next steps.
Retrofit contractors in the UK work within a compliance-focused environment involving detailed procedures, documentation, evidence and quality requirements. Our knowledge of PAS, ISO and retrofit-related requirements lets us provide internal audits that are particularly relevant to organisations working in this sector — assessing your systems against the agreed criteria and giving you clear findings that show where attention is needed.

A useful internal audit should give your organisation clear information that supports practical improvement — not just problems. Compliant Retrofits provides:
Audits carried out by people who understand management systems and how they are assessed.
Working knowledge of PAS 2030/2035 and ISO 9001, 14001, 27001 and 45001 requirements.
A defined scope, criteria and checklist agreed with you before the audit begins.
Clear findings you can act on — not a jargon-heavy list of problems.
Guidance focused on realistic, relevant next steps for your organisation.
Mock and gap-focused audits that help you prepare for external assessment.
Follow-up reviews to help verify identified issues have been addressed.
Particularly relevant to contractors and providers in the UK retrofit sector.
Internal auditing support for organisations across the UK — not one region.
The audit scope can be adapted to your organisation’s size, activities and compliance requirements.

For ISO, PAS, ECO4, retrofit compliance, process improvement or pre-certification preparation, Compliant Retrofits can help. Book an initial consultation to discuss your requirements and determine an appropriate audit scope.