| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ALBEMARLE MARKETING RESEARCH LIMITED | 00787507 | 11/12/2006 | 31/10/2007 | Dissolved |
| COLLOQUIAL UK LIMITED | 00830818 | 01/01/2003 | 20/06/2005 | Dissolved |
| CONQUEST CREATIVE SERVICES LIMITED | 01170701 | 01/01/2003 | 20/06/2005 | Dissolved |
| CONQUEST MEDIA LIMITED | 02342238 | 01/01/2003 | 20/06/2005 | Dissolved |
| J. WALTER THOMPSON COMPANY LIMITED | 01190652 | 09/03/2002 | 20/06/2005 | Dissolved |
| J. WALTER THOMPSON U.K. HOLDINGS LIMITED | 00280055 | 18/03/2002 | 20/06/2005 | Gold |
| PENSION TRUSTEES LIMITED | 00639677 | 16/11/1998 | 12/04/2001 | Dissolved |
| PRODIGIOUS UK LIMITED | 00294029 | 05/08/2005 | 26/09/2007 | One Red Flag |
| SANTO U.K LIMITED | 02629696 | 16/01/2003 | 20/06/2005 | Amber |
| SPEECHLY BIRCHAM LLP | OC321620 | 31/12/2012 | 31/03/2013 | One Red Flag |
| THE INSTITUTE OF PRACTITIONERS IN ADVERTISING (PRE-CHARTER) | 00221167 | 25/04/2007 | 23/04/2008 | Dissolved |
| VML(UK) LIMITED | 01660783 | 09/03/2002 | 20/06/2005 | Silver |
| WPP PENSION TRUSTEES LIMITED | 01596196 | 13/12/2002 | 20/06/2005 | Strike Off |