| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Allenheads Limited | 02308790 | 13/04/1991 | Dissolved |
| Document Registry Ltd | 03288219 | 05/12/1996 | Dissolved |
| Millhouse Aviation Ltd | 02581452 | 31/10/1996 | Dissolved |
| Millhouse Aviation Ltd | 02581452 | 23/03/1998 | Dissolved |
| Northumbrian Bothies Ltd | 03337664 | 02/04/1999 | Dissolved |
| Will Registry Ltd | 03288280 | 05/12/1996 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ALLENHEADS TRUST LIMITED | 04534940 | 13/09/2002 | 22/05/2003 | Bronze |
| FIELD HEAD FARM MANAGEMENT COMPANY LIMITED | 05127842 | 13/05/2004 | 07/02/2007 | Silver |
| HARTFORD DEVELOPMENTS LIMITED | 03276433 | 11/11/1996 | 30/05/2003 | Dissolved |
| HARTFORD MEWS MANAGEMENT COMPANY LIMITED | 04518716 | 27/08/2002 | 23/01/2004 | Amber |
| MIDDLE FARM MANAGEMENT COMPANY LIMITED | 05066885 | 08/03/2004 | 07/02/2007 | Silver |
| NORTH SALTWICK FARM MANAGEMENT COMPANY LIMITED | 05128532 | 14/05/2004 | 01/02/2007 | Not Trading |
| SUMMERDALE HOUSE PROPERTY MANAGEMENT COMPANY LIMITED | 05269517 | 26/10/2004 | 07/02/2007 | Not Trading |
| Securetarget Ltd | 02666554 | 03/12/1991 | 17/07/1993 | Dissolved |
| THE NORTH PENNINES HERITAGE TRUST | 02241272 | 27/09/1997 | 03/11/2007 | Dissolved |
| The Newcastle-Upon-Tyne Aero Club Ltd | 00207314 | 24/06/1992 | 23/09/1999 | Dissolved |