| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| AUGUSTINE STEWARD LIMITED | 02100377 | 15/12/2014 | Dissolved |
| Commission for Architecture & The Built Environment | 03831652 | 15/11/2004 | Dissolved |
| NORWICH HERITAGE ECONOMIC AND REGENERATION TRUST | 05083002 | 24/03/2004 | Dissolved |
| Windermere Nautical Trust Ltd | 00991419 | 15/03/2007 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CAMBIUM PHILANTHROPY SERVICES LIMITED | 07107300 | 17/12/2009 | 31/12/2022 | Silver |
| COALITION FOR EFFICIENCY | 07241095 | 30/04/2010 | 12/03/2013 | Dissolved |
| LAKELAND ARTS | 08162578 | 31/07/2012 | 24/05/2019 | Bronze |
| Living East Ltd | 05254124 | 15/11/2004 | 08/01/2009 | Dissolved |
| NORFOLK & NORWICH FESTIVAL LIMITED | 09896066 | 01/12/2015 | 06/12/2021 | Bronze |
| THE HERITAGE ALLIANCE | 04577804 | 25/09/2003 | 02/12/2009 | Gold |
| THE INSTITUTE FOR PHILANTHROPY | 04531222 | 03/12/2007 | 01/03/2014 | Silver |