| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| DRACO DORCHESTER LIMITED | 09727229 | 11/08/2015 | One Red Flag |
| Fyfield Business & Research Park Ltd | 04310579 | 29/11/2001 | Dissolved |
| PATRICK GILL CONSULTANTS LIMITED | 03935936 | 29/02/2000 | Silver |
| Quadrant Business Parks Ltd | 04190264 | 29/11/2001 | Dissolved |
| Quadrant Estates (Blandford) Ltd | 04310602 | 05/12/2001 | Dissolved |
| Quadrant Estates (Eltham) Ltd | 04238861 | 21/06/2001 | Dissolved |
| Quadrant Estates (Hailsham) Ltd | 04046746 | 09/04/2001 | Dissolved |
| Quadrant Estates (Lydiard) Ltd | 04241515 | 26/06/2001 | Dissolved |
| Quadrant Estates (Petersfield) Ltd | 04257521 | 16/10/2001 | Dissolved |
| Quadrant Estates (Rutland House) Ltd | 04090211 | 09/04/2001 | Dissolved |
| STAY ORIGINAL COMPANY LTD | 07330508 | 20/08/2010 | Bronze |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| FYFIELD MANAGEMENT LIMITED | 04310584 | 16/11/2001 | 29/11/2001 | Dissolved |
| Gardiner & Theobald Facilities Management Ltd | 03088557 | 25/03/1996 | 31/07/1998 | Dissolved |
| PURTILE LIMITED | 04847713 | 11/11/2003 | 17/01/2007 | Dissolved |
| QUADRANT ESTATES (CORBY) LIMITED | 05306717 | 23/02/2005 | 17/01/2007 | Dissolved |
| QUADRANT ESTATES (HEDGE END) LIMITED | 04238864 | 21/06/2001 | 17/01/2007 | Dissolved |
| QUADRANT ESTATES (NORTHDOWN) LIMITED | 05625049 | 16/11/2005 | 17/01/2007 | Dissolved |
| QUADRANT ESTATES (OAKLEY VALE) LIMITED | 04794609 | 11/06/2003 | 17/01/2007 | Dissolved |
| QUADRANT HOLDINGS LIMITED | 04499606 | 07/11/2002 | 17/01/2007 | Silver |
| QUADRANT INTERIORS LIMITED | 04787373 | 04/06/2003 | 17/01/2007 | Dissolved |
| QUADRANT PROPERTY DEVELOPMENTS LIMITED | 03353097 | 26/02/2001 | 17/01/2007 | Dissolved |
| Quadrant (Kidbrooke) Ltd | 03679776 | 02/04/2001 | 17/01/2007 | Dissolved |
| Quadrant Business Parks Ltd | 04190264 | 27/06/2001 | 29/11/2001 | Dissolved |
| Quadrant Estates (Eldergate) Ltd | 04867250 | 01/09/2003 | 09/01/2008 | Dissolved |
| Quadrant Estates (Gillingham) Ltd | 04046731 | 09/04/2001 | 17/01/2007 | Dissolved |
| Quadrant Estates (Walton Mill) Ltd | 04810370 | 26/06/2003 | 17/01/2007 | Dissolved |
| STRATFORD OFFICE VILLAGE MANAGEMENT COMPANY LIMITED | 04893580 | 09/09/2003 | 17/01/2007 | One Red Flag |
| WOLVERTON PROPERTIES LIMITED | 04547692 | 14/11/2002 | 22/05/2014 | Dissolved |
| WOLVERTON PROPERTIES MANAGEMENT LIMITED | 04587941 | 19/11/2003 | 17/01/2007 | Dissolved |