| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Emperor Associates Ltd | 03435721 | 28/09/1997 | Dissolved |
| MAE + HARVEY LIMITED | 10199519 | 25/05/2016 | One Red Flag |
| WARREN INVESTMENTS LIMITED | 04594228 | 08/10/2003 | Silver |
| WARREN INVESTMENTS LIMITED | 04594228 | 08/10/2003 | Silver |
| ZED MEDIA LIMITED | 03293317 | 28/03/2007 | Dissolved |
| Zenith Trustees Ltd | 03482954 | 23/07/2003 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ALPHA 245 LIMITED | 02194748 | 22/01/1998 | 01/01/2006 | Not Trading |
| ALPHA 245 LIMITED | 02194748 | 22/01/1998 | 21/12/2010 | Not Trading |
| APX TRADING LIMITED | 01853627 | 10/03/2016 | 24/06/2021 | One Red Flag |
| PUBLICIS MEDIA EXCHANGE LIMITED | 03423055 | 16/12/1997 | 01/01/2006 | Bronze |
| PUBLICIS MEDIA EXCHANGE LIMITED | 03423055 | 16/12/1997 | 24/06/2021 | Bronze |
| PUBLICIS MEDIA LIMITED | 04244479 | 13/05/2016 | 24/06/2021 | One Red Flag |
| PUBLICIS MEDIA UK LIMITED | 05358138 | 09/02/2005 | 24/06/2021 | One Red Flag |
| SPARK FOUNDRY LIMITED | 03457650 | 27/11/2013 | 24/06/2021 | One Red Flag |
| Saatchi & Saatchi Pension Trustee Co Ltd | 04145615 | 01/05/2003 | 21/03/2006 | Dissolved |
| WPP DC PENSION TRUSTEE COMPANY LIMITED | 03281756 | 01/12/1998 | 02/09/2003 | Not Trading |
| ZENITH INTERNATIONAL (MEDIA) LIMITED | 02142261 | 27/05/2003 | 24/06/2021 | One Red Flag |
| ZENITH SERVICES (MEDIA) LIMITED | 02645326 | 24/06/2005 | 24/06/2021 | One Red Flag |
| ZENITH UK (MEDIA) LIMITED | 01921320 | 24/09/1998 | 24/06/2021 | One Red Flag |
| Zenith Trustees Ltd | 03482954 | 12/12/1997 | 01/01/2006 | Dissolved |