| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| 3I GROUP PLC | 01142830 | 09/07/1997 | 07/07/2004 | Gold |
| ARQIVA LIMITED | 02487597 | 02/04/1992 | 06/11/1996 | Silver |
| ARQIVA PUBLIC SAFETY LIMITED | 03341257 | 03/08/1999 | 12/08/2000 | Amber |
| Blue Wave Systems Ltd | 01751065 | 10/07/1996 | 27/04/1998 | Dissolved |
| DTELS LIMITED | 02834403 | 01/03/1994 | 06/11/1996 | Dissolved |
| GLOBECAST UK LIMITED | 02534039 | 26/03/1997 | 16/02/2000 | Amber |
| GRIFTON LTD | 03262640 | 02/05/2000 | 12/01/2001 | Dissolved |
| NTL LIMITED | 02586701 | 28/02/1993 | 06/11/1996 | Dissolved |
| NTL TRUSTEES LIMITED | 02702219 | 11/09/1992 | 06/11/1996 | One Red Flag |
| Notwerb Ltd | 02893983 | 27/10/1994 | 25/05/1999 | Dissolved |
| PETARDS GROUP PLC | 02990100 | 31/01/1997 | 13/06/2000 | Silver |
| Printable Field Emitters Ltd | 03072898 | 20/01/1999 | 31/05/2000 | Dissolved |
| Red-M Services Ltd | 03073608 | 12/10/2001 | 30/10/2002 | Dissolved |
| VIRGIN MEDIA LIMITED | 02591237 | 09/10/1991 | 06/11/1996 | Silver |