| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| HISTORY OF ADVERTISING TRUST(THE) | 01354445 | 01/09/2017 | Silver |
| THE BROADCAST COMMITTEE OF ADVERTISING PRACTICE LIMITED | 05126412 | 01/09/2011 | Not Trading |
| THE COMMITTEE OF ADVERTISING PRACTICE LIMITED | 08310744 | 28/11/2012 | Not Trading |
| THE SPORTS NEXUS TRUST | 04926969 | 14/10/2005 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| INGENIOUS FILM PARTNERS 2 LLP | OC314069 | 29/03/2006 | 06/04/2011 | Bronze |
| INGENIOUS FILM PARTNERS LLP | OC308659 | 29/03/2005 | 06/04/2010 | Silver |
| PUBLISHERS AUDIENCE MEASUREMENT COMPANY LIMITED | 09576666 | 27/07/2016 | 14/03/2023 | Gold |
| SANDROYD SCHOOL TRUST LIMITED | 00552767 | 28/06/2002 | 31/12/2009 | Bronze |