The ACU engineering office is "GQA certified".

The GQA is a society of the Association of German Safety Engineers (VDSI) and confirms with the award of the certificate with the test number 0215/00 that the ACU Engineering Office has been tested according to the quality criteria of the GQA and fulfils all personnel, technical, material and organisational requirements of the tasks according to § 6 of the Occupational Safety Act.