| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ASQUITH COLLEGE OF HIGHER EDUCATION LIMITED | 07239000 | 29/04/2010 | Dissolved |
| Chameleon Radio Company Ltd | 02733028 | 07/05/1993 | Dissolved |
| Chameleon Sound Studios Ltd | 02112494 | 10/03/1992 | Dissolved |
| Chameleon Sound Studios Ltd | 02112494 | 10/03/1992 | Dissolved |
| Disability Television Ltd | 02858498 | 12/09/1994 | Dissolved |
| LEEDS MEDIA CENTRE LTD | 03784242 | 06/06/2007 | Dissolved |
| LEEDS MEDIA CENTRE LTD | 03784242 | 18/07/2000 | Dissolved |
| Lines in The Sand Ltd | 02759069 | 11/03/1993 | Dissolved |
| MANCHESTER COLLEGE OF EDUCATION LIMITED | 07301523 | 01/07/2010 | Dissolved |
| Radio Wakefield Ltd | 03316816 | 24/06/1997 | Dissolved |
| The Planetarium Co Ltd | 05155021 | 16/06/2004 | Dissolved |
| Wdfm Ltd | 03316814 | 24/06/1997 | Dissolved |
| Yorkshire Fm Radio Ltd | 03834965 | 10/01/2000 | Dissolved |
| Yorkshire Regional Broadcasting Ltd | 02979541 | 17/03/1995 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CHAMELEON TELEVISION LIMITED | 01436148 | 31/12/1991 | 08/05/2015 | Dissolved |
| Chrisfilm + Video Ltd | 01513274 | 12/01/1992 | 31/07/1992 | Dissolved |
| Flowcraft Ltd | 01802410 | 19/12/1994 | 01/11/2000 | Dissolved |
| Heartbeat Fm Ltd | 03653751 | 02/08/1999 | 17/01/2000 | Dissolved |
| Heartbeat Fm Ltd | 03653751 | 02/08/1999 | 17/01/2000 | Dissolved |
| MICROSEARCH LABORATORIES LIMITED | 02757881 | 14/05/1993 | 08/05/2015 | Amber |
| MINSTER SOUND RADIO LIMITED | 02602667 | 18/04/1992 | 22/12/1993 | Dissolved |
| Minster Leisure Ltd | 02440047 | 30/06/1992 | 10/01/1992 | Dissolved |
| PARKSTONE MANAGEMENT COMPANY LIMITED(THE) | 01694015 | 17/09/1991 | 27/03/1992 | One Red Flag |
| Radio Opportunities Ltd | 03054452 | 26/10/1995 | 21/03/1996 | Dissolved |
| Sound Radio Development Limited | 02651308 | 16/12/1991 | 20/07/1992 | Dissolved |