| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Chiltern Skyline Ltd | 03266401 | 14/11/1997 | Dissolved |
| Cobra Properties Ltd | 03336024 | 27/05/2000 | Dissolved |
| Irananglo Services Ltd. | 02882791 | 21/12/1993 | Dissolved |
| P.M. Property Services Ltd | 03204496 | 28/05/1996 | Dissolved |
| Portman Mansions Property Co Ltd | 02692806 | 05/11/1997 | Dissolved |
| Spares Equipment and Engineering (S.E.E.) Limited | 02605552 | 04/07/1991 | Dissolved |
| Templeton Properties Ltd | 03449558 | 14/10/1997 | Dissolved |
| The Discount Food Warehouse Ltd. | 02916328 | 06/04/1994 | Dissolved |
| WESTHOLME ESTATES LIMITED | 03231958 | 31/07/1996 | Silver |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BLANDFORD REAL ESTATE LTD | 03188043 | 24/06/1997 | 28/10/2000 | Silver |
| Cobra Properties Ltd | 03336024 | 19/03/1997 | 06/01/1998 | Dissolved |
| F.M. PROPERTIES (UK) LIMITED | 03972180 | 18/05/2001 | 01/01/2018 | Bronze |
| F.M. PROPERTIES (UK) LIMITED | 03972180 | 01/01/2010 | 20/10/2019 | Bronze |
| HAMMERSMITH & FULHAM PROPERTIES LIMITED | 03451695 | 17/10/1997 | 29/12/2017 | Silver |
| INTERCO ESTATES LIMITED | 04067349 | 18/05/2001 | 01/01/2018 | Silver |
| PINNACLE PROPERTIES LIMITED | 03525225 | 08/04/1999 | 26/02/2014 | Dissolved |