| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| DEFENCE MANAGEMENT (HOLDINGS) LIMITED | 03564570 | 19/03/2008 | 24/06/2010 | Gold |
| DEFENCE MANAGEMENT (WATCHFIELD) LIMITED | 03385241 | 19/03/2008 | 24/06/2010 | Gold |
| KILMARNOCK PFI HOLDINGS LIMITED | 05971387 | 31/03/2008 | 23/06/2008 | Bronze |
| KILMARNOCK PRISON SERVICES LIMITED | 03226951 | 31/03/2008 | 24/06/2010 | Amber |
| LOWDHAM GRANGE PRISON SERVICES LIMITED | 03154430 | 19/03/2008 | 24/06/2010 | Amber |
| MEDOMSLEY TRAINING SERVICES LIMITED | 03488633 | 19/03/2008 | 24/06/2010 | Dissolved |
| MORETON PRISON SERVICES LIMITED | 03471077 | 19/03/2008 | 24/06/2010 | Bronze |
| PREMIER CUSTODIAL FINANCE LIMITED | 03849244 | 19/03/2008 | 24/06/2010 | Amber |
| PREMIER CUSTODIAL INVESTMENTS LIMITED | 03849142 | 19/03/2008 | 24/06/2010 | Bronze |
| PREMIER CUSTODIAL SUB-DEBT LIMITED | 05964120 | 19/03/2008 | 24/06/2010 | Strike Off |
| PUCKLECHURCH CUSTODIAL SERVICES LIMITED | 03403669 | 19/03/2008 | 24/06/2010 | Amber |
| SERCO INVESTMENTS (HOLDINGS) LIMITED | 04080682 | 04/06/2008 | 23/04/2010 | Dissolved |
| SERCO INVESTMENTS LIMITED | 03287461 | 04/06/2008 | 23/04/2010 | Dissolved |
| TRAFFIC INFORMATION SERVICES (TIS) HOLDINGS LIMITED | 04017593 | 19/03/2008 | 24/06/2010 | Dissolved |
| TRAFFIC INFORMATION SERVICES (TIS) LIMITED | 04017551 | 19/03/2008 | 24/06/2010 | Dissolved |
| TRAFFIC INFORMATION SERVICES (TIS) SECURITY LIMITED | 04071538 | 31/03/2008 | 23/04/2010 | Dissolved |