| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Central F M (Holdings) Ltd | SC128336 | 10/07/1996 | Dissolved |
| Chester Radio Ltd | 04280089 | 18/10/2001 | Dissolved |
| Crystalvision Radio Ltd | 01948226 | 31/12/1991 | Dissolved |
| HALLAMSHIRE INDUSTRIAL SECURITIES LIMITED | 01147874 | 06/12/1991 | Dissolved |
| South Midlands Radio Ltd | 03035224 | 20/03/1995 | Dissolved |
| Ten Radio Ltd | 03137472 | 13/12/1995 | Dissolved |
| West Kent Radio Limited | 02862553 | 17/02/1994 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ALL ANGLIA RADIO LIMITED | 02919794 | 22/07/1995 | 23/07/1997 | Dissolved |
| ANGLIAN RADIO LIMITED | 04248330 | 09/07/2001 | 31/03/2006 | Dissolved |
| AUDIO MANAGEMENT LIMITED | 02758815 | 29/09/2000 | 08/10/2001 | Dissolved |
| BAUER RADIO (NEWBURY) LIMITED | 01158450 | 17/01/2002 | 31/03/2006 | Dissolved |
| BAUER RADIO (TRL) LIMITED | 03515868 | 01/10/1999 | 31/03/2006 | Dissolved |
| BRIDGE FM RADIO LIMITED | 03703005 | 12/06/2001 | 31/03/2006 | Gold |
| CAPITAL RADIO INVESTMENTS LIMITED | 00988448 | 17/05/1992 | 24/01/2001 | Silver |
| CENTRAL FM LIMITED | SC115009 | 10/07/1996 | 23/04/1999 | One Red Flag |
| Crystalvision Text Services Ltd | 01922829 | 31/12/1991 | 27/03/1992 | Dissolved |
| EAST COAST RADIO (THE BEACH) LIMITED | 03018923 | 04/11/1999 | 08/10/2001 | Dissolved |
| ESSEX RADIO LIMITED | 00670633 | 30/04/1992 | 21/06/1995 | Silver |
| FAIRFIELD (CROYDON) LIMITED | 02778118 | 21/01/1993 | 27/11/1996 | Dissolved |
| GLOBAL RADIO HAMPSHIRE LIMITED | 01586580 | 31/03/1992 | 31/12/1992 | Silver |
| GLOBAL RADIO LIMITED | 00923454 | 23/01/1992 | 24/01/2001 | Silver |
| GLOBAL RADIO MEDIA MANAGEMENT LIMITED | 02318655 | 18/12/1992 | 18/12/1993 | Silver |
| KESTREL FM LIMITED | 03326134 | 10/12/2001 | 31/03/2006 | Dissolved |
| Kcbc Ltd. | 02432923 | 16/10/1991 | 07/07/1998 | Dissolved |
| LANTERN RADIO LIMITED | 02702198 | 09/04/1992 | 05/11/1993 | Silver |
| MELLOW 1557 LIMITED | 02475513 | 04/11/1999 | 08/10/2001 | Dissolved |
| MELLOW FM RADIO LIMITED | 03194136 | 29/09/2000 | 08/10/2001 | Dissolved |
| MINSTER SOUND RADIO LIMITED | 02602667 | 18/04/1992 | 26/02/1997 | Dissolved |
| Medway Live Fm Ltd | 03205153 | 05/06/1996 | 22/07/1997 | Dissolved |
| ORCHARD MEDIA LIMITED | 02333640 | 18/02/1994 | 31/03/1999 | Silver |
| PROVINCIAL BROADCASTING COMPANIES LIMITED | 04106336 | 29/11/2001 | 31/03/2006 | Dissolved |
| RADIO INVESTMENTS LTD. | 01038766 | 06/12/1991 | 30/09/1999 | Dissolved |
| RADIO MERCURY LIMITED | 01717321 | 28/12/1991 | 14/11/1991 | Silver |
| RADIO SERVICES LIMITED | 02996187 | 12/05/1999 | 30/09/1999 | Dissolved |
| RADIO SOUTH LIMITED | 01955992 | 15/04/1992 | 31/12/1992 | Bronze |
| Radio Pendragon Ltd | 03427823 | 07/06/2001 | 01/01/2002 | Dissolved |
| Radio Securities Ltd | 01869853 | 04/04/2001 | 09/03/2004 | Dissolved |
| SOUTH EAST LONDON ENTERTAINMENT COMPANY LTD | 02973587 | 15/09/1997 | 01/01/2001 | Amber |
| SOUTHERN RADIO LIMITED | 01602035 | 31/03/1992 | 31/12/1992 | Silver |
| SOVEREIGN RADIO LIMITED | 03276705 | 22/11/1996 | 17/07/1998 | One Red Flag |
| TALKSPORT LIMITED | 02806093 | 07/07/1994 | 05/10/1999 | Silver |
| THE WIRELESS GROUP HOLDINGS LIMITED | 03578294 | 06/11/1998 | 05/10/1999 | Silver |
| TINDLE RADIO HOLDINGS LIMITED | 04705565 | 20/03/2003 | 31/03/2006 | Insolvent |
| TOWN FM LIMITED | 04235210 | 05/07/2001 | 14/03/2005 | Dissolved |
| Torbay Radio Ltd | 04461757 | 14/06/2002 | 17/03/2005 | Dissolved |
| WESSEX BROADCASTING LIMITED | 02773740 | 12/03/1993 | 04/09/1998 | Dissolved |
| WEST COUNTRY RADIO HOLDINGS LIMITED | 03109609 | 03/10/1995 | 30/09/1999 | Dissolved |