| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BURGHLEY HOUSE PRESERVATION TRUST LIMITED | 00951524 | 01/07/2011 | Gold |
| CHILTERN VIEW DEVELOPMENTS LIMITED | 08721878 | 26/11/2013 | Dissolved |
| FAI - ITALIAN HERITAGE TRUST | 08002289 | 05/07/2018 | Silver |
| GREENWOOD UTILITIES LIMITED | 06797206 | 21/01/2009 | Dissolved |
| GRUBER FILMS LIMITED | 04388433 | 30/04/2002 | One Red Flag |
| HARLEY GALLERY NOMINEES LIMITED | 13172644 | 02/02/2021 | Not Trading |
| HARLEY GALLERY TRADING LIMITED | 08083700 | 25/05/2012 | Silver |
| Northumberland Investments Ltd | FC022665 | 07/09/2000 | Dissolved |
| PRIESTGATE PURCHASING LIMITED | 03995837 | 17/05/2000 | Dissolved |
| THE GOLDSMITHS' COMPANY CHARITY | 11048746 | 01/04/2018 | Silver |
| WELBECK ESTATES COMPANY (TITLE) LIMITED(THE) | 02055129 | 25/01/1992 | Not Trading |
| WELBECK SCOTTISH FARMS LIMITED | 04197311 | 25/03/2002 | Silver |
| WOODHOUSE HALL DEVELOPMENTS LIMITED | 03255961 | 27/09/1996 | One Red Flag |
| Welbeck Estates co (Investment) Ltd | 02090612 | 25/01/1992 | Dissolved |
| Welstead Mills Ltd | SC102475 | 18/07/1988 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CHIPPING NORTON THEATRE LIMITED(THE) | 01179918 | 17/11/1992 | 08/11/1993 | Bronze |
| CITY AND GUILDS ART SCHOOL PROPERTY TRUST | 00992490 | 10/02/2009 | 30/06/2021 | One Red Flag |
| HISTORIC HOUSES ASSOCIATION | 02001057 | 17/11/2009 | 13/11/2018 | Silver |
| LARCH HOUSE DEVELOPMENTS LIMITED | 07764694 | 26/11/2013 | 26/02/2014 | Dissolved |
| OLD STREET PUBLISHING LTD | 05636098 | 03/10/2008 | 04/01/2010 | Gold |
| SOUTHMILLS DEVELOPMENTS LIMITED | 07764691 | 26/11/2013 | 02/12/2014 | Dissolved |
| THE GOLDSMITHS' COMPANY TRUSTEE | 07343075 | 22/12/2010 | 14/08/2018 | Dissolved |