| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| C.L. PROJECTS LIMITED | 00872462 | 06/11/1992 | Silver |
| C.L. PROJECTS LIMITED | 00872462 | 06/11/1992 | Silver |
| C21 Ltd | 03158479 | 14/02/1996 | Dissolved |
| MICHAEL JW GREEN COLLECTION LIMITED | 16053859 | 31/10/2024 | Amber |
| Recruit Media Tax Services Ltd | 03367255 | 09/05/1997 | Dissolved |
| SCREEN 21 LIMITED | 03129025 | 21/11/1995 | One Red Flag |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Edit.C21 Ltd | 02219276 | 27/07/1991 | 01/06/1999 | Dissolved |
| INSTITUTE OF INTERNAL COMMUNICATION LIMITED | 00781781 | 22/05/2003 | 26/05/2005 | Gold |
| Recruit (Media) Ltd | 02362409 | 21/10/1997 | 10/01/2005 | Dissolved |
| Recruit (Media) Ltd | 02362409 | 16/11/1991 | 10/01/2005 | Dissolved |