It is recognised by the Security Industry Authority (SIA) through its Approved Contractor Scheme (ACS).

The achievement has recognised Glevum Security as an ACS Star Performer.

The SIA is the organisation responsible for regulating the Private Security Industry (PSI) and is an independent body reporting to the home secretary under the terms of the Private Security Industry Act 2001.

Gloucester-based Glevum was measured against 84 performance criteria and is open to SIA scrutiny.