| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Bayfleet Holdings Ltd | 02257670 | 28/12/1990 | 31/01/1992 | Dissolved |
| CHARTERHOUSE CAPITAL INVESTMENTS LIMITED | 00616189 | 18/01/1993 | 11/04/2001 | Amber |
| CHARTERHOUSE GENERAL PARTNERS (VII) LIMITED | 02197301 | 30/06/2005 | 12/10/2005 | Dissolved |
| CHARTERHOUSE INTERMEDIATE HOLDINGS LIMITED | 04113306 | 15/06/2001 | 02/09/2002 | Silver |
| EMERALD 2 LIMITED | 07551799 | 13/05/2011 | 25/07/2011 | Silver |
| EMERALD 3 LIMITED | 07479235 | 13/05/2011 | 25/07/2011 | Dissolved |
| ERM WORLDWIDE LIMITED | 07551849 | 06/07/2011 | 31/07/2015 | Dissolved |
| FRAMGORD LIMITED | SC098738 | 29/03/1988 | 04/07/1994 | Insolvent |
| INTERTEK TESTING SERVICES HOLDINGS LIMITED. | 03227453 | 08/11/1996 | 23/05/2002 | One Red Flag |
| Miracle Holdings Ltd | 03006454 | 31/12/1994 | 13/01/1997 | Dissolved |
| O.L.C. (HOLDINGS) LIMITED | 01874277 | 16/06/1992 | 25/01/1995 | Dissolved |
| OLC LIMITED | 01589993 | 16/06/1992 | 25/01/1995 | Dissolved |
| PHS GROUP HOLDINGS LIMITED | 05402951 | 04/07/2005 | 31/10/2015 | Dissolved |
| PHS GROUP LIMITED | 05384799 | 04/07/2005 | 10/10/2014 | One Red Flag |
| PHS SERVICES LIMITED | 03805412 | 08/07/1999 | 06/06/2001 | Silver |
| SELECTA UK HOLDING LIMITED | 00209116 | 02/07/2004 | 02/08/2004 | Amber |
| Spurlings Holdings Ltd | 01908758 | 18/04/1991 | 22/04/1993 | Dissolved |
| Spurlings Ltd | 01940918 | 13/02/1991 | 02/04/1992 | Dissolved |