| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Hamlyn,Paul,Ventures Ltd | 03423103 | 18/10/2001 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CLAYS LTD. | 00342498 | 08/04/1992 | 01/07/1994 | Gold |
| Createamber Ltd | 04589142 | 29/11/2002 | 09/03/2004 | Dissolved |
| FOLIO HOLDINGS LIMITED | 01646381 | 28/12/1990 | 07/02/2015 | Silver |
| FOLIO SOCIETY LIMITED(THE) | 01015675 | 26/06/1991 | 07/02/2015 | Gold |
| GUARDIAN MEDIA GROUP PLC | 00094531 | 13/01/1997 | 29/02/2000 | Silver |
| INSTITUTE FOR PUBLIC POLICY RESEARCH | 02292601 | 04/12/1991 | 01/01/2010 | Gold |
| KIN AND CARTA HOLDCO LIMITED | 01552113 | 14/12/1991 | 25/06/1998 | Silver |
| KIN AND CARTA INVESTMENTS LIMITED | 00190460 | 31/12/1991 | 01/07/1994 | Silver |
| LONDON SCHOOL OF ECONOMICS AND POLITICAL SCIENCE | 00070527 | 01/08/1997 | 09/12/1999 | Gold |
| NATIONAL GALLERY GLOBAL LIMITED | 02280277 | 03/03/1995 | 31/10/2001 | Bronze |
| OPEN COLLEGE OF THE ARTS | 02125674 | 26/06/1991 | 31/12/1996 | One Red Flag |
| PAUL HAMLYN FOUNDATION | 05042279 | 12/02/2004 | 31/12/2005 | Silver |
| Public Policy Research Associates Ltd | 03397581 | 04/07/1997 | 27/06/2001 | Dissolved |
| ROYAL OPERA HOUSE COVENT GARDEN FOUNDATION | 00480523 | 24/03/1992 | 21/01/1998 | Gold |
| St Ives Mailing Ltd | 01552114 | 10/10/1991 | 01/07/1994 | Dissolved |
| THE NGT FOUNDATION | 03444689 | 30/09/1997 | 24/09/2001 | Gold |
| WALSTEAD ROCHE LIMITED | 00720976 | 10/10/1991 | 01/07/1994 | Gold |