| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| CYBERENSURE LIMITED | 10330168 | 15/08/2016 | Dissolved |
| FIND ISO CONSULTANTS LTD | 13805827 | 17/12/2021 | Not Trading |
| KPSI LIMITED | SC247589 | 10/04/2003 | Silver |
| NATIONAL QUALITY CENTRE LIMITED | 09547088 | 16/04/2015 | Dissolved |
| OXFORD QUALITY CENTRE LIMITED | 08265550 | 23/10/2012 | One Red Flag |
| QUALITATION LTD | 09633684 | 11/06/2015 | Not Trading |
| QUALITY MANAGEMENT CENTRE LIMITED | 08265644 | 23/10/2012 | Dissolved |
| SECURE BUSINESS DATA LIMITED | 12568225 | 22/04/2020 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ECOCELERATE LIMITED | 04710021 | 06/04/2004 | 30/11/2012 | Dissolved |
| OTABU CERTIFICATION LIMITED | 15217366 | 17/10/2023 | 01/04/2024 | Bronze |