| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| CLPS LIMITED | 04038168 | 21/07/2000 | Dissolved |
| Carter Oriental Arts Ltd | 01994344 | 21/12/1991 | Dissolved |
| DOUGLAS BLAUSTEN CONSULTING LTD | 09419079 | 03/02/2015 | Silver |
| Garton European Prints Plc | 02307524 | 20/08/1992 | Dissolved |
| Grosvenor Land (Maidstone) Ltd | 03471214 | 05/03/1998 | Dissolved |
| Grosvenor Land (North) Ltd | 03619680 | 07/09/1998 | Dissolved |
| H&F CAPITAL PARTNERS LIMITED | 05363278 | 14/02/2005 | Amber |
| H&F NOMINEE 1 LIMITED | 05699528 | 06/02/2006 | Dissolved |
| H&F NOMINEE 2 LIMITED | 05699565 | 06/02/2006 | Dissolved |
| HEATHURST PROPERTY CO.LIMITED | 00543831 | 18/12/2001 | Silver |
| HOLLYDALE PROPERTIES LIMITED | 00704278 | 08/08/1992 | Silver |
| Linnell Developments Ltd | 02068181 | 26/09/1991 | Dissolved |
| MONDAY CHARITABLE TRUST | 10910936 | 24/05/2019 | Silver |
| OAKBURN EUROPEAN PROPERTIES LIMITED | 03532476 | 08/04/1998 | Silver |
| OAKBURN INVESTMENT HOLDINGS LIMITED | 02026748 | 31/12/1991 | Gold |
| OAKBURN PROPERTIES LIMITED | 00634063 | 31/10/1990 | One Red Flag |
| Oakport Properties Limited | 02417651 | 29/08/1991 | Dissolved |
| The River Bure Property Co Ltd | 02240824 | 06/04/1992 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ABRAXUS INVESTMENTS PLC | 03790823 | 22/05/2002 | 30/04/2004 | Dissolved |
| CORBETT KEELING LIMITED | 02811619 | 30/11/2010 | 01/08/2011 | One Red Flag |
| GROSVENOR LAND (SOUTH) LIMITED | 03506392 | 26/02/1998 | 19/05/2004 | Dissolved |
| GROSVENOR LAND HOLDINGS LIMITED | 03232512 | 26/07/1996 | 19/05/2004 | Dissolved |
| Grosvenor Land (North) Ltd | 04203023 | 01/08/2003 | 19/05/2004 | Dissolved |
| HALCYON LONDON INTERNATIONAL SCHOOL | 08120017 | 19/11/2020 | 31/10/2023 | Gold |
| HAMPSTEAD GARDEN SUBURB INSTITUTE | 00150289 | 14/06/1993 | 09/07/1997 | Dissolved |
| HODGSON AND FARADAY LTD. | 01816278 | 31/12/1991 | 01/09/2011 | Gold |
| LAYTON BLACKHAM FINANCIAL SERVICES LIMITED | 02566958 | 01/07/1997 | 31/12/2000 | Dissolved |
| NHS PROPERTY SERVICES LIMITED | 07888110 | 26/03/2013 | 30/09/2015 | Amber |
| Plymouth & Exeter Properties Ltd | 02123345 | 31/10/1991 | 19/05/2004 | Dissolved |
| SCHOOL-HOME SUPPORT SERVICE (UK) | 03991440 | 27/01/2009 | 07/02/2013 | Silver |
| THE MENTAL HEALTH FOUNDATION | 02350846 | 14/07/2010 | 01/04/2017 | Silver |
| The Oriental Art Fund Ltd | 03150167 | 18/01/1996 | 02/02/1996 | Dissolved |
| URBAN&CIVIC PLC | SC149799 | 22/06/2004 | 27/02/2006 | Gold |