| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Antique Dealer Ltd | 03402323 | 13/04/1999 | Dissolved |
| Associated Investments Harmsworth Ltd | 00678647 | 28/08/1996 | Dissolved |
| D M G Pinnacle Ltd | 02179561 | 15/02/1999 | Dissolved |
| D M G Trinity Ltd | 02302195 | 15/02/1999 | Dissolved |
| DMG ANTIQUES FAIRS LIMITED | 02824469 | 13/04/1999 | Dissolved |
| Dmg Sport & Leisure Ltd | 03824196 | 12/02/2004 | Dissolved |
| EXMAGS LIMITED | 01354364 | 15/02/1999 | Dissolved |
| Excoll Ltd | 03499202 | 01/03/2000 | Dissolved |
| Harrion International Ltd | 03744016 | 20/11/2000 | Dissolved |
| Harrion Ltd | 03171291 | 23/04/2001 | Dissolved |
| Man About Town Magazine Limited | 01365255 | 01/09/1993 | Dissolved |
| New Media Tracking Ltd | 03262090 | 11/10/2000 | Dissolved |
| Purfleet Deep Wharf & Storage Co Ltd | 00072277 | 06/09/1996 | Dissolved |
| ROBERTSBRIDGE LIMITED | 03244883 | 19/09/1996 | Dissolved |
| T P C Exhibitions Ltd | 01844785 | 15/02/1999 | Dissolved |
| The Publishing Co Ltd | 01651821 | 15/02/1999 | Dissolved |
| Trinity Healthcare Exhibitions Ltd | 01664063 | 15/02/1999 | Dissolved |
| Trinity International Ltd | 01645027 | 15/02/1999 | Dissolved |
| Trinity Publishing (Holdings) Ltd | 01508262 | 15/02/1999 | Dissolved |
| Trinity Trade Exhibitions Ltd | 02042203 | 15/02/1999 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AGRISK LIMITED | 02615156 | 13/04/1999 | 28/09/2010 | Dissolved |
| Bouverie Investments (U.K.) Ltd | 02403898 | 13/02/2002 | 30/07/2009 | Dissolved |
| Burlington Publishing Co Ltd | 02157651 | 16/07/1992 | 01/08/1994 | Dissolved |
| Burlington Publishing Co Ltd | 02157651 | 16/07/1992 | 01/08/1994 | Dissolved |
| CTF ASSET FINANCE LIMITED | 03178533 | 13/04/1999 | 11/10/2002 | Dissolved |
| Cag Media Investments | 03085855 | 22/04/1996 | 29/09/1999 | Dissolved |
| Channel 9 Ltd | 01721216 | 22/10/1996 | 29/09/1999 | Dissolved |
| D M G Radio Investments U K Ltd | 03146173 | 27/09/1996 | 30/09/1999 | Dissolved |
| DMG ANGEX LIMITED | 02302189 | 15/02/1999 | 09/12/2009 | Dissolved |
| DMG BUSINESS MEDIA LIMITED | 02823743 | 15/02/1999 | 21/07/2010 | Dissolved |
| DMG EVENTS (UK) LIMITED | 02246951 | 15/02/1999 | 28/09/2010 | Bronze |
| DMG EVENTS LIMITED | 01150306 | 15/02/1999 | 23/04/2002 | Dissolved |
| DMG EXHIBITION (ARGENTINA) LIMITED | 03680272 | 19/04/1999 | 19/05/2000 | Dissolved |
| DMG INVESTMENT HOLDINGS LIMITED | 03263138 | 19/05/1999 | 19/12/2000 | Dissolved |
| DMG LOANCO LIMITED | 03125581 | 15/02/1999 | 21/07/2010 | Dissolved |
| DUTCH LOOT | 03101813 | 15/02/1999 | 17/10/2001 | Dissolved |
| EUROMONEY ABF LIMITED | 03125576 | 15/02/1999 | 11/10/2002 | Dissolved |
| EUROMONEY US LIMITED | 03125573 | 15/02/1999 | 11/10/2002 | Dissolved |
| EUROMONEY YEN FINANCE LIMITED | 01403500 | 15/02/1999 | 11/10/2002 | Dissolved |
| EX HM | 02335947 | 22/10/1996 | 18/10/1999 | Dissolved |
| Harmsworth Broadcasting | 02858048 | 22/10/1996 | 29/09/1999 | Dissolved |
| Harmsworth Magazines Ltd | 01856093 | 05/06/1994 | 30/09/1994 | Dissolved |
| Harmsworth Publications Ltd | 00898269 | 15/09/1993 | 30/11/1994 | Dissolved |
| Harmsworth Teletext Number Three Ltd | 03295532 | 30/01/1997 | 29/09/1999 | Dissolved |
| Harmsworth Teletext Number Two Ltd | 03295583 | 30/01/1997 | 29/09/1999 | Dissolved |
| METROPRESS LIMITED | 01010311 | 13/04/1999 | 03/10/2008 | Silver |
| Mail Sports Directories Ltd | 02200281 | 16/03/1992 | 01/08/1994 | Dissolved |
| Mail Sports Directories Ltd | 02200281 | 04/08/1992 | 01/08/1994 | Dissolved |
| NORTHCLIFFE REAL ESTATE LIMITED | 01473757 | 15/02/1999 | 11/10/2002 | Dissolved |
| RMS TECHNOLOGIES LIMITED | 03101814 | 15/02/1999 | 03/08/2007 | Dissolved |
| Rugby Publishing Ltd | 02480961 | 08/04/1993 | 30/09/1994 | Dissolved |
| Sportsworld Publications Ltd | 02276210 | 18/04/1991 | 01/08/1994 | Dissolved |
| TRANSPORT GROUP (HOLDINGS) LIMITED | 00234941 | 22/10/1996 | 30/08/2000 | Dissolved |