| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| CUSTOMER FIRST GROUP LIMITED | 05375146 | 24/02/2005 | Dissolved |
| Mastersearch Limited | 02467437 | 06/02/1992 | Dissolved |
| Neville-Clarke Asia and Pacific Limited | 02534608 | 24/08/1991 | Dissolved |
| Stratton Park Ltd | 02467424 | 31/01/1992 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CERTIFICATION INTERNATIONAL LIMITED | 03005587 | 28/02/1995 | 19/12/2012 | Silver |
| NEVILLE-CLARKE INTERNATIONAL LIMITED | 02300908 | 11/01/1992 | 08/01/1996 | Silver |
| PERA TECHNICAL SERVICES LIMITED | 02534412 | 30/06/1991 | 08/01/1996 | Dissolved |
| PERA TRADING LIMITED | 02300789 | 14/12/1991 | 08/01/1996 | Dissolved |
| SOCOTEC CERTIFICATION UNITED KINGDOM LIMITED | 02293655 | 20/02/1992 | 19/12/2012 | Amber |
| Stratton Design Ltd | 02534416 | 30/06/1991 | 08/01/1996 | Dissolved |