| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| 44-46 GLOUCESTER SQUARE (FREEHOLD) LIMITED | 04849480 | 29/07/2003 | Not Trading |
| 65 NEW CAVENDISH ST LTD | 08265071 | 03/01/2013 | Dissolved |
| AUSTEN PROPERTIES (HARCOURT) LIMITED | 02877045 | 18/06/2001 | Dissolved |
| AUSTEN PROPERTIES LIMITED | 03829120 | 05/11/1999 | Dissolved |
| DAVID LEWIS & PARTNERS LIMITED | 01234483 | 23/04/2004 | One Red Flag |
| DEVONSHIRE PROPERTY INVESTMENT LIMITED | 03292654 | 28/01/1997 | Bronze |
| DPI (LANGHAM STREET) LIMITED | 07558021 | 09/03/2011 | Dissolved |
| Dpi (Leonard Street) Ltd | 05122570 | 07/05/2004 | Dissolved |
| EPSILON (ELVIAN HOUSE) LTD | 10368393 | 09/09/2016 | Dissolved |
| EPSILON REAL ESTATE PARTNERS LIMITED | 07150270 | 30/03/2017 | One Red Flag |
| GAGESTYLE LIMITED | 02019724 | 23/04/2004 | Amber |
| JANE LEWIS FASHION LIMITED | 12983138 | 20/11/2020 | Amber |
| JEM (PGB) LIMITED | 11339835 | 01/05/2018 | Dissolved |
| LANGHAM STREET LLP | OC361064 | 09/12/2014 | Dissolved |
| LEAVESDEN SECURITIES (HOLDINGS) LIMITED | 02550978 | 14/04/2011 | One Red Flag |
| LEDALE ESTATES LIMITED | 01081140 | 14/04/2011 | Dissolved |
| LEDALE INVESTMENT HOLDINGS LIMITED | 03068857 | 23/04/2004 | Dissolved |
| LEDALE PROPERTY HOLDINGS LIMITED | 00999817 | 14/04/2011 | Bronze |
| LEDALE SECURITIES LIMITED | 03068854 | 14/04/2011 | Amber |
| MARYLEBONE & DEVONSHIRE PROPERTIES LIMITED | 03788799 | 14/06/1999 | Dissolved |
| MARYLEBONE & GENERAL FINE ART LIMITED | 02550807 | 14/04/2011 | One Red Flag |
| MARYLEBONE PROPERTY COMPANY LIMITED | 01909551 | 14/04/2011 | Gold |
| MARYLEBONE PROPERTY CORPORATION LIMITED | 05491973 | 01/07/2005 | Silver |
| MARYLEBONE PROPERTY HOLDINGS LIMITED | 01134338 | 14/04/2011 | Bronze |
| MARYLEBONE PROPERTY INVESTMENTS LIMITED | 02660389 | 23/04/2004 | Silver |
| MOLYNEUX MANAGEMENT SERVICES LIMITED | 01136235 | 14/04/2011 | Amber |
| MOLYNEUX SECURITIES (GLOUCESTER PLACE) LIMITED | 01068516 | 23/04/2004 | Bronze |
| MOLYNEUX SECURITIES (METROPOLITAN) LIMITED | 01064199 | 23/04/2004 | Dissolved |
| MOLYNEUX SECURITIES LIMITED | 01116564 | 23/04/2004 | Gold |
| Maplemile Ltd | 03859730 | 01/11/1999 | Dissolved |
| NEWINCCO 1119 LIMITED | 07708694 | 22/09/2011 | Dissolved |
| NORSTON LIMITED | 02143709 | 14/04/2011 | Bronze |
| PETHERLAND LIMITED | 03905246 | 02/03/2000 | Dissolved |
| RADBRIDGE LIMITED | 05446636 | 12/07/2005 | Dissolved |
| SPIRALINK LIMITED | 04871855 | 21/05/2004 | Dissolved |
| TIMGRON PROPERTIES LIMITED | 00994175 | 17/09/1994 | Silver |
| TONEDEX LIMITED | 04892232 | 21/05/2004 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| 44-46 GLOUCESTER SQUARE (FREEHOLD) LIMITED | 04849480 | 29/07/2003 | 18/12/2009 | Not Trading |
| 65 NEW CAVENDISH STREET MANAGEMENT LIMITED | 09195403 | 29/08/2014 | 12/07/2016 | Silver |
| ELVIAN HOUSE MANAGEMENT COMPANY LIMITED | 10909077 | 10/08/2017 | 10/06/2019 | Not Trading |
| EPSILON (CHURCH WALK) LLP | OC399494 | 21/04/2015 | 28/05/2015 | Dissolved |
| GOAT FASHION LIMITED | 04121355 | 02/10/2006 | 25/11/2020 | Dissolved |
| LANGHAM STREET LLP | OC361064 | 21/01/2011 | 16/03/2011 | Dissolved |
| MARYLEBONE PROPERTY COMPANY LIMITED | 01909551 | 23/04/2004 | 28/08/2007 | Gold |
| MARYLEBONE PROPERTY HOLDINGS LIMITED | 01134338 | 23/04/2004 | 28/11/2007 | Bronze |
| NORSTON LIMITED | 02143709 | 23/04/2004 | 08/01/2008 | Bronze |
| PETHERLAND LIMITED | 03905246 | 02/03/2000 | 17/05/2000 | Dissolved |