| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BRITT LINTNER LTD | 06602313 | 30/09/2008 | Dissolved |
| QUIN TECHNOLOGY LTD | 09206022 | 20/06/2019 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| C. HOARE & CO. | 00240822 | 03/07/2017 | 31/12/2023 | Gold |
| COURTAULD INSTITUTE OF ART | 04464432 | 08/07/2019 | 07/01/2020 | Gold |
| ENGLISH NATIONAL OPERA | 00426792 | 17/10/2007 | 31/12/2010 | Amber |
| R.H.S. ENTERPRISES LIMITED | 01211648 | 01/05/2008 | 18/01/2011 | Bronze |
| RBG KEW ENTERPRISES LIMITED | 02798886 | 26/02/2008 | 13/02/2019 | Bronze |
| REXAM LIMITED | 00191285 | 04/05/2012 | 30/06/2016 | Bronze |
| RSA INSURANCE GROUP LIMITED | 02339826 | 20/05/2008 | 05/05/2017 | Silver |
| SWEET FREEDOM LIMITED | 04790924 | 27/07/2008 | 10/07/2009 | Silver |
| TATE ENTERPRISES LTD | 03173975 | 31/03/2001 | 20/06/2006 | Silver |
| TATE EXHIBITION PRODUCTIONS LIMITED | 03179938 | 17/06/1996 | 21/03/2001 | Not Trading |
| THE FOUNDATION AND FRIENDS OF THE ROYAL BOTANIC GARDENS, KEW | 02499006 | 17/05/2011 | 13/03/2018 | Gold |
| WM MORRISON SUPERMARKETS LIMITED | 00358949 | 01/02/2010 | 31/01/2016 | One Red Flag |