| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Marketing Development Audits Ltd | 03265125 | 10/11/1996 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| 1 CRANLEY GARDENS (FREEHOLD) LIMITED | 04621452 | 23/11/2004 | 22/12/2006 | Not Trading |
| ADVERTISING ASSOCIATION(THE) | 00211587 | 01/01/1993 | 31/01/1997 | Silver |
| ADVERTISING STANDARDS AUTHORITY LIMITED(THE) | 00733214 | 19/05/1991 | 04/01/1993 | Silver |
| ADVERTISING STANDARDS BOARD OF FINANCE LIMITED(THE) | 01195756 | 20/10/1999 | 31/12/2009 | Gold |
| AUTISTICA | 05184164 | 01/01/2009 | 04/09/2012 | Gold |
| BARNARDO'S | 00061625 | 18/07/2000 | 13/10/2009 | Silver |
| BRAY LEINO GROUP LIMITED | 03636970 | 26/10/1998 | 11/04/2001 | Dissolved |
| BRAY LEINO LIMITED | 01352705 | 12/06/1991 | 26/10/1998 | Amber |
| Bozell U K Ltd | 02415253 | 21/08/1992 | 29/12/2000 | Dissolved |
| Brian Lapping Associates Ltd | 02298847 | 01/12/1996 | 24/01/2002 | Dissolved |
| CHARLES BARKER LIMITED | 02730690 | 04/07/1997 | 26/01/1999 | Dissolved |
| Centec (Central London Training & Enterprise Council) | 02641010 | 28/08/1992 | 01/05/1995 | Dissolved |
| Cyclops Productions Ltd. | 02346995 | 13/02/1993 | 29/12/2000 | Dissolved |
| DELANEY LUND KNOX WARREN AND PARTNERS LIMITED | 01286253 | 18/10/1993 | 31/12/1999 | Dissolved |
| Delaney Fletcher Delaney Ltd | 01636573 | 31/12/1991 | 29/12/2000 | Dissolved |
| HEMSCOTT HOLDINGS LIMITED | 03945506 | 01/06/2000 | 15/08/2000 | Dissolved |
| HEMSCOTT LIMITED | 00027883 | 15/08/2000 | 01/10/2004 | Silver |
| IPG HOLDINGS (UK) LIMITED | 02353279 | 31/03/1991 | 21/12/1998 | Silver |
| MAXUS COMMUNICATIONS (UK) LIMITED | 02671949 | 11/12/1992 | 29/12/2000 | Strike Off |
| NEWTON PROJECT LIMITED | 03344170 | 31/05/1997 | 24/01/2002 | Dissolved |
| OPEN COLLEGE OF THE ARTS | 02125674 | 26/06/1991 | 23/09/2004 | Amber |
| SLAM LIMITED | 02995954 | 04/07/1997 | 26/01/1999 | Dissolved |
| Slaymaker Cowley White/Bozell (Holdings) Ltd | 02207028 | 31/12/1991 | 29/12/2000 | Dissolved |
| THE BROADCAST ADVERTISING STANDARDS BOARD OF FINANCE LIMITED | 05017678 | 16/01/2004 | 31/12/2009 | Gold |
| THE INDEPENDENT POST COMPANY LIMITED | 02701004 | 01/12/1997 | 13/04/2000 | Not Trading |
| THE INSTITUTE OF PRACTITIONERS IN ADVERTISING (PRE-CHARTER) | 00221167 | 13/09/1991 | 05/04/1995 | Dissolved |
| THIRTY CLUB OF LONDON,LIMITED(THE) | 00167635 | 23/07/1999 | 11/09/2001 | Gold |
| The Independent Multimedia Co Ltd | 03006942 | 01/12/1997 | 31/03/2000 | Dissolved |
| ZINC TELEVISION LONDON LIMITED | 02800925 | 31/05/1997 | 24/01/2002 | One Red Flag |