| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ASSOCIATED HEALTH SPECIALISTS LTD. | SC122333 | 30/05/2008 | Dissolved |
| Associated Health Specialists Holdings Ltd | SC242583 | 30/05/2008 | Dissolved |
| GROSVENOR HEALTH LIMITED | 05043335 | 30/05/2008 | Dissolved |
| Grosvenor Health (Services) Ltd | 02197906 | 30/05/2008 | Dissolved |
| HEALTH SURE UK LTD. | SC164803 | 30/05/2008 | Dissolved |
| Health Sure Administration Ltd. | SC222517 | 30/05/2008 | Dissolved |
| SERCO HEALTH LIMITED | 04934828 | 29/06/2007 | Dissolved |
| Well Sure Ltd. | SC222518 | 30/05/2008 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| PREMIER PRISON SERVICES LIMITED | 02733334 | 20/11/2006 | 13/03/2007 | Dissolved |
| SERCO CORPORATE SERVICES LIMITED | 04007730 | 10/08/2006 | 18/02/2011 | Not Trading |
| SERCO GEOGRAFIX LIMITED | 03522659 | 27/09/2006 | 01/03/2010 | Dissolved |
| SERCO HOLDINGS LIMITED | 03970268 | 03/12/2001 | 18/02/2011 | Silver |
| SERCO INTERNATIONAL LIMITED | 02324094 | 14/02/2002 | 18/02/2011 | Silver |
| SERCO INVESTMENTS LIMITED | 03287461 | 10/06/2005 | 04/06/2008 | Dissolved |