| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| DUNCAN PROPERTY INVESTMENTS LIMITED | 03072159 | 08/11/1995 | Bronze |
| Duncan Group Plc | 00794774 | 19/07/1991 | Dissolved |
| Duncan Personnel Ltd | 02285112 | 19/07/1991 | Dissolved |
| McCrea Engineering Co Ltd | 01025622 | 07/12/1998 | Dissolved |
| Meditech Services Ltd | 03806478 | 09/08/1999 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Blease Medical Holdings Ltd | 03121234 | 08/11/1995 | 25/05/2007 | Dissolved |
| Blease Medical Services Ltd | 02820199 | 18/03/1994 | 25/05/2007 | Dissolved |
| COLVIN NURSING AGENCY LIMITED | 01381169 | 19/07/1991 | 06/04/1995 | Dissolved |
| DAVID HUME INSTITUTE THE | SC091239 | 13/03/1998 | 05/12/2006 | Dissolved |
| IBG IMMUCOR LIMITED | 02255660 | 12/12/1991 | 01/12/1997 | Gold |
| MERLIN INNS LIMITED | 02095003 | 28/02/1991 | 19/04/1995 | Bronze |
| PHAB LIMITED | 01598587 | 11/05/1994 | 21/10/1997 | Silver |
| PHAB UK ENTERPRISES LIMITED | 02564098 | 28/01/1997 | 21/10/1997 | Not Trading |
| SPACELABS HEALTHCARE LIMITED | 00570647 | 19/07/1991 | 25/05/2007 | Bronze |