| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Cluttons Services | 02909236 | 20/04/2005 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| 21 SEYMOUR STREET LIMITED | 02953826 | 01/10/2008 | 28/05/2011 | Bronze |
| 5 MONTAGU SQUARE LIMITED | 03388498 | 01/10/2008 | 28/04/2013 | Dissolved |
| BANCROFT'S SCHOOL | 03513962 | 04/09/2006 | 30/06/2009 | Gold |
| BERKELEY STREET NOMINEES LIMITED | 06073998 | 01/10/2008 | 28/05/2011 | Not Trading |
| CLLP REALISATIONS LLP | OC310771 | 23/12/2004 | 30/09/2008 | Insolvent |
| CLUTTONS NOMINEES LIMITED | 03180955 | 27/02/2004 | 25/09/2008 | Not Trading |
| CR REALISATIONS (2017) LIMITED | 04001552 | 27/02/2004 | 25/09/2008 | Insolvent |
| CSC REALISATIONS (2017) LIMITED | 06339197 | 09/08/2007 | 25/09/2008 | Dissolved |
| CSL REALISATIONS (2017) LIMITED | 02106585 | 03/12/2007 | 25/09/2008 | Dissolved |
| DERWENT LONDON BAKER STREET LIMITED | 00806862 | 01/10/2008 | 14/07/2011 | Silver |
| PORTMAN BURTLEY ESTATE COMPANY LIMITED | 00554747 | 01/10/2008 | 28/05/2011 | Bronze |
| PORTMAN ESTATE MANAGEMENT LIMITED | 06325414 | 01/10/2008 | 28/05/2011 | Not Trading |
| PORTMAN INVESTMENTS (FARNHAM) LIMITED | 03662544 | 01/10/2008 | 07/12/2009 | Dissolved |
| PORTMAN SETTLED ESTATES LIMITED | 01055334 | 01/10/2008 | 28/05/2011 | Bronze |
| SAVILLS INDIA LIMITED | 05609401 | 01/11/2005 | 25/09/2008 | Not Trading |
| SAVILLS KSA LIMITED | 02026407 | 27/02/2004 | 25/09/2008 | Amber |
| SEYMOUR STREET NOMINEES LIMITED | 01711120 | 01/10/2008 | 28/05/2011 | Not Trading |
| SPRINGTIDE CAPITAL LIMITED | 02197281 | 27/02/2004 | 26/09/2008 | Silver |
| THE PORTMAN ESTATE NOMINEES (ONE) LIMITED | 05175327 | 01/10/2008 | 28/05/2011 | Not Trading |
| THE PORTMAN ESTATE NOMINEES (TWO) LIMITED | 05175370 | 01/10/2008 | 28/05/2011 | Not Trading |
| Westminster Cctv Trust | 04361275 | 27/06/2002 | 01/09/2004 | Dissolved |