| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Cambridgeshire Custodial Services Ltd | 03931288 | 20/03/2003 | 06/05/2005 | Dissolved |
| KILMARNOCK PRISON SERVICES LIMITED | 03226951 | 20/03/2003 | 06/05/2005 | Amber |
| Kilmarnock Prison (Holdings) Ltd | 03443465 | 01/10/2003 | 06/05/2005 | Dissolved |
| LOWDHAM GRANGE PRISON SERVICES LIMITED | 03154430 | 01/10/2003 | 06/05/2005 | Amber |
| MEDOMSLEY TRAINING SERVICES LIMITED | 03488633 | 01/10/2003 | 06/05/2005 | Dissolved |
| MORETON PRISON SERVICES LIMITED | 03471077 | 01/10/2003 | 06/05/2005 | Bronze |
| Medomsley Holdings Ltd | 03488629 | 01/10/2003 | 06/05/2005 | Dissolved |
| Moreton Prison (Holdings) Ltd | 03471078 | 01/10/2003 | 06/05/2005 | Dissolved |
| PREMIER CUSTODIAL FINANCE LIMITED | 03849244 | 20/03/2003 | 06/05/2005 | Amber |
| PREMIER CUSTODIAL INVESTMENTS LIMITED | 03849142 | 20/03/2003 | 06/05/2005 | Bronze |
| PREMIER PRISON SERVICES LIMITED | 02733334 | 20/03/2003 | 06/05/2005 | Dissolved |
| PUCKLECHURCH CUSTODIAL SERVICES LIMITED | 03403669 | 01/10/2003 | 06/05/2005 | Amber |
| Premier Custodial Group Ltd | 03849249 | 20/03/2003 | 06/05/2005 | Dissolved |
| Premier Detention Services Ltd | 03931282 | 20/03/2003 | 06/05/2005 | Dissolved |
| Premier Monitoring Services Ltd | 03522756 | 20/03/2003 | 06/05/2005 | Dissolved |
| Premier Training Services Ltd | 03488626 | 20/03/2003 | 06/05/2005 | Dissolved |
| SERCO GEOGRAFIX LIMITED | 03522659 | 20/03/2003 | 06/05/2005 | Dissolved |
| Serco Insurance Services Ltd | 03471126 | 01/10/2003 | 06/05/2005 | Dissolved |