| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| CRABTREE FREEHOLD LIMITED | 09031996 | 03/04/2024 | Bronze |
| CT EVENTS LIMITED | 08134909 | 09/07/2012 | Dissolved |
| Identica Identity Management Limited | 02500379 | 20/01/1992 | Dissolved |
| LEAFPILE LIMITED | 07117935 | 06/01/2010 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ARNOLD HOUSE SCHOOL LIMITED | 00889424 | 14/03/2007 | 20/11/2012 | Silver |
| COLEY PORTER BELL LIMITED | 01393551 | 08/06/1992 | 13/01/1994 | Silver |
| Coley Porter Bell Services | 02668231 | 30/12/1991 | 18/01/1994 | Dissolved |
| FIRST CHOICE HOLIDAYS LIMITED | 00048967 | 08/03/1994 | 06/02/2003 | Silver |
| JCA BOARD PRACTICE LIMITED | 05482427 | 15/05/2006 | 04/08/2016 | Dissolved |
| JCA GROUP LIMITED | 05482430 | 04/07/2005 | 04/08/2016 | Dissolved |
| JCA PARTNERS LLP | OC356373 | 12/07/2010 | 04/07/2016 | Dissolved |
| JCA SEARCH LIMITED | 05482426 | 15/05/2006 | 04/08/2016 | Dissolved |
| KUONI HOLDINGS LIMITED | 03656448 | 21/04/1999 | 27/07/1999 | One Red Flag |
| TBWA UK | 01482152 | 07/07/1994 | 21/05/1997 | Dissolved |
| THE INSTITUTE OF PRACTITIONERS IN ADVERTISING (PRE-CHARTER) | 00221167 | 05/04/1995 | 21/05/1997 | Dissolved |
| Undershaft (No.5) Plc | 02470256 | 31/05/1992 | 30/01/1998 | Dissolved |
| Veos Plc | 03833193 | 09/12/1999 | 25/06/2002 | Dissolved |