| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Alliance & Leicester Plc | NF003387 | 26/03/1998 | Dissolved |
| THE SIR ALEC CAIRNCROSS MEMORIAL FOUNDATION | 06268585 | 04/06/2007 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| A&l Insurance Services Plc | 03179723 | 29/08/1996 | 10/10/1996 | Dissolved |
| ALLIANCE & LEICESTER EQUITY INVESTMENTS (GUARANTEE) LIMITED | 01631188 | 01/02/1995 | 08/01/1998 | Dissolved |
| ALLIANCE & LEICESTER LIMITED | 03263713 | 10/10/1996 | 31/12/2004 | Not Trading |
| ALLIANCE & LEICESTER SHARE OWNERSHIP TRUST LIMITED | 03320209 | 31/12/1999 | 31/12/2004 | Dissolved |
| FOUNDATION FOR SCIENCE AND TECHNOLOGY | 01327814 | 22/03/2001 | 01/04/2007 | Dissolved |
| FRANK FIELD EDUCATION TRUST | 09904025 | 11/05/2020 | 31/12/2023 | Silver |
| INSTITUTE FOR FISCAL STUDIES(THE) | 00954616 | 15/10/2007 | 14/12/2015 | Silver |
| NATIONAL INSTITUTE OF ECONOMIC AND SOCIAL RESEARCH(INCORPORATED)(THE) | 00341010 | 21/11/1996 | 11/04/2001 | Bronze |
| NATURAL HISTORY MUSEUM FOUNDATION | 07951088 | 24/02/2015 | 29/02/2024 | Bronze |
| STRAMONGATE LIMITED | 04265940 | 01/01/2005 | 29/11/2011 | Dissolved |
| TDELTAS LIMITED | 05491334 | 09/02/2016 | 31/12/2020 | Amber |