| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Gainsborough Nursing Homes Ltd | 03897204 | 10/07/2002 | Dissolved |
| Hmt Hospitals Ltd | 02790016 | 10/07/2002 | Dissolved |
| Hmt Management Ltd | 02901669 | 10/07/2002 | Dissolved |
| The Gainsborough Clinic Ltd | 03760385 | 10/07/2002 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| EASTMAN DENTAL INSTITUTE | 00490351 | 31/05/1991 | 31/03/1994 | Dissolved |
| LLEWELYN-DAVIES INTERNATIONAL LIMITED | 01406438 | 24/06/1991 | 21/12/1992 | Not Trading |
| LLEWELYN-DAVIES LIMITED | 01227443 | 28/05/1992 | 21/12/1992 | Dissolved |
| MARIE CURIE | 00507597 | 25/07/1991 | 27/10/1993 | Silver |
| OLD ORCHARD MANAGEMENT LIMITED(THE) | 01391374 | 31/12/1991 | 01/10/1993 | Bronze |
| THE HEALTHCARE MANAGEMENT TRUST | 01932882 | 10/07/2002 | 29/07/2009 | Gold |
| THE HEALTHCARE MANAGEMENT TRUST | 01932882 | 13/04/1994 | 16/09/2015 | Gold |