| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ARGENT FOODS LIMITED | 07081161 | 01/09/2012 | Bronze |
| MARYLEBONE SCHOOL LTD | 08339142 | 06/12/2018 | Silver |
| PRIMROSE STREET LIMITED | 05351269 | 03/02/2005 | Not Trading |
| THE HELLENIC AND ROMAN LIBRARY | 09212403 | 08/06/2024 | Silver |
| THE ST MARYLEBONE COMPANY LIMITED | 08201459 | 04/09/2012 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BERRYWORLD LIMITED | 02864233 | 01/12/2016 | 08/02/2019 | Silver |
| BIG BEAR GROUP LIMITED | 05969485 | 21/01/2010 | 29/06/2010 | Dissolved |
| BRIGHT IDEAS TRUST | 06289701 | 09/02/2009 | 17/07/2018 | Dissolved |
| CORDA PREVENTING HEART DISEASE AND STROKE | 01244831 | 01/08/2005 | 30/04/2014 | Not Trading |
| EGYPT EXPLORATION SOCIETY(THE) | 00025816 | 11/12/2010 | 16/11/2019 | Silver |
| ESSENDEN LIMITED | 06838368 | 26/05/2009 | 20/08/2010 | Bronze |
| FM HATTON GROUP LIMITED | 10408149 | 02/03/2017 | 08/06/2023 | Bronze |
| GENHAVE LIMITED | 01764910 | 01/09/1995 | 19/12/2001 | Dissolved |
| GEORGICA LIMITED | 04039562 | 19/09/2000 | 26/05/2009 | Gold |
| PEREGRINE TRUSTEE COMPANY LIMITED | 00991954 | 14/06/1991 | 07/06/1995 | Not Trading |
| PREMIER FOODS (HOLDINGS) LIMITED | 00971448 | 01/04/1999 | 29/07/1999 | Not Trading |
| SKY EXTRA LIMITED | 00955321 | 22/09/1999 | 04/09/2007 | Dissolved |
| THE HELLENIC AND ROMAN LIBRARY | 09212403 | 10/09/2014 | 11/06/2022 | Silver |
| THE ST MARYLEBONE CHURCH OF ENGLAND BRIDGE SCHOOL | 08270125 | 26/10/2012 | 31/07/2024 | Silver |
| THE ST MARYLEBONE CHURCH OF ENGLAND SCHOOL | 07719620 | 27/07/2011 | 31/07/2018 | Silver |
| The New Fortress Trust Plc | 03109630 | 24/10/1995 | 18/12/1995 | Dissolved |
| The New Fortress Trust Plc | 03109630 | 24/10/1995 | 18/12/1995 | Dissolved |