| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Gresse Television Productions Ltd | 05431505 | 21/04/2005 | Dissolved |
| The Abbeyfield Muswell Hill Society Ltd | 00752258 | 01/05/2004 | Dissolved |
| Watson 2002 Ltd | 04458832 | 12/03/2004 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ALPHA 245 LIMITED | 02194748 | 27/03/1992 | 31/03/1998 | Not Trading |
| CLICK CHILLI LIMITED | 06835698 | 03/03/2009 | 30/11/2014 | Dissolved |
| Celeste Ltd | 02002544 | 27/03/1992 | 20/02/1997 | Dissolved |
| Celeste Ltd | 02002544 | 27/03/1992 | 20/02/1997 | Dissolved |
| Data Warehouse Ltd | 02300157 | 01/12/1998 | 21/07/2000 | Dissolved |
| Equinox Communications Ltd | 00980058 | 24/02/1995 | 31/03/1998 | Dissolved |
| FRAUDSCREEN LIMITED | 04813599 | 27/06/2003 | 05/05/2005 | Gold |
| HLB LIMITED | 01994480 | 01/12/1998 | 21/07/2000 | One Red Flag |
| Identex Ltd | 02001897 | 01/12/1998 | 21/07/2000 | Dissolved |
| MARKETING METRIX LIMITED | 05314091 | 15/12/2004 | 25/10/2006 | Insolvent |
| MARKETING METRIX LIMITED | 05314091 | 24/03/2005 | 25/10/2006 | Insolvent |
| MERIDIAN OUTDOOR ADVERTISING LIMITED | 02490232 | 27/03/1992 | 31/03/1998 | Dissolved |
| MERIDIAN OUTDOOR ADVERTISING LIMITED | 02490232 | 27/03/1992 | 31/03/1998 | Dissolved |
| RAPP LIMITED | 01581935 | 12/10/1998 | 21/07/2000 | Bronze |
| T C G Europe Ltd | 02281020 | 01/12/1998 | 21/07/2000 | Dissolved |
| THE COMPUTING GROUP LIMITED | 02365455 | 01/12/1998 | 21/07/2000 | One Red Flag |
| THE KITE FACTORY GROUP LIMITED | 04303229 | 12/12/2006 | 08/07/2017 | Bronze |
| THE PRODUCTION HOUSE LIMITED | 02067255 | 01/12/1998 | 21/07/2000 | One Red Flag |
| WPN CHAMELEON LIMITED | 04432158 | 10/07/2002 | 20/12/2019 | Amber |
| WPP DC PENSION TRUSTEE COMPANY LIMITED | 03281756 | 20/12/1996 | 01/12/1998 | Not Trading |
| Wwav Collins Ltd | 02011266 | 01/12/1998 | 21/07/2000 | Dissolved |
| Wwav Rapp Collins | 02076376 | 01/12/1998 | 21/07/2000 | Dissolved |
| Wwav Rapp Collins Media | 02086128 | 01/12/1998 | 21/07/2000 | Dissolved |
| Wwav Rapp Collins North | 02036119 | 01/12/1998 | 21/07/2000 | Dissolved |
| Wwav Rapp Collins Scotland | 03131462 | 01/12/1998 | 21/07/2000 | Dissolved |
| Wwav Rapp Collins West | 01614776 | 01/12/1998 | 21/07/2000 | Dissolved |
| Wwav Trustees Ltd | 02810064 | 01/12/1998 | 21/07/2000 | Dissolved |
| ZENITH SERVICES (MEDIA) LIMITED | 02645326 | 29/03/1993 | 31/03/1998 | One Red Flag |
| ZENITH SERVICES (MEDIA) LIMITED | 02645326 | 16/09/1991 | 31/03/1998 | One Red Flag |
| ZENITH UK (MEDIA) LIMITED | 01921320 | 27/03/1992 | 31/03/1998 | One Red Flag |
| ZENITH UK (MEDIA) LIMITED | 01921320 | 21/10/1988 | 31/03/1998 | One Red Flag |