Once accredited and registered as members of the SITMA scheme, accreditation shall be maintained through a process of continual surveillance auditing
Auditors will work to the 6 principals of auditing, which require:
Integrity
The foundation of professionalism
Fair Representation
To give a fair representation of the company
Due Professional Care
Applying diligence and judgement in auditing
Confidentiality
All information shared is secure
Independence
The basis for impartiality, providing objective conclusions
Evidence Based Approach
Giving a rational method for reaching reliable and reproducible audit conclusions
Firms which hold UKAS accreditation to ISO17025 with a scope covering sound insulation testing are still subject to auditing.
Audits may be unannounced, due to all members be required to add tests to the SITMA Lodgement system at least midnight before the day of the test. Contact may be made with the member company approximately 1-5 days before the audit, however the date does not need to be mutually agreed by both parties.