| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| R & S RYAN PROPERTIES LTD | 11091728 | 01/12/2017 | Not Trading |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Advanced Facades Ltd | 01678379 | 06/06/1991 | 06/01/1992 | Dissolved |
| CALDERDALE HOSPITAL SPC HOLDINGS LTD | 03525139 | 01/11/2004 | 26/10/2005 | Bronze |
| CALDERDALE HOSPITAL SPC LTD | 03524906 | 01/11/2004 | 26/10/2005 | Silver |
| CATERHOUSE LIMITED | 02857316 | 25/04/2007 | 01/12/2008 | Dissolved |
| CRITERION HEALTHCARE HOLDINGS LIMITED | 03672920 | 21/09/2005 | 29/06/2007 | Bronze |
| CRITERION HEALTHCARE PLC | 03302909 | 06/08/2004 | 29/06/2007 | Bronze |
| Cromwell Systems Ltd | 02308869 | 06/06/1991 | 06/01/1992 | Dissolved |
| ISS FINANCE & INVESTMENT (BISHOP AUCKLAND) LIMITED | 03747087 | 01/03/2006 | 30/04/2009 | Dissolved |
| ISS MEDICLEAN LIMITED | 01659837 | 30/07/1992 | 31/07/2001 | Silver |
| ISS MEDICLEAN LIMITED | 01659837 | 01/05/1996 | 30/04/2009 | Silver |
| ISS SERVICELINK LIMITED | 02909368 | 01/03/2000 | 28/02/2001 | Dissolved |
| ISS SERVISYSTEM SOUTH LIMITED | 03512871 | 15/12/1998 | 01/12/2000 | Dissolved |
| ISS SERVISYSTEM SOUTH LIMITED | 03512871 | 15/12/1998 | 01/12/2000 | Dissolved |
| MEDICLEAN ENTERPRISES LIMITED | 02285029 | 18/03/1993 | 11/10/2001 | Insolvent |
| MEDISERV LIMITED | 00445563 | 18/03/1993 | 11/10/2001 | Dissolved |
| Total Car Park Management Ltd | 02492341 | 17/10/1995 | 11/10/2001 | Dissolved |
| WORCESTERSHIRE HOSPITAL SPC HOLDINGS LTD | 03649503 | 01/11/2004 | 29/12/2006 | Bronze |
| WORCESTERSHIRE HOSPITAL SPC PLC | 03649489 | 01/11/2004 | 29/12/2006 | Silver |
| Ward Interiors Ltd | 00629191 | 06/06/1991 | 06/01/1992 | Dissolved |