| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| 98 Fm Ltd | 05276527 | 03/02/2005 | Dissolved |
| Aberdeen Broadcasting Company Ltd | SC253812 | 08/08/2003 | Dissolved |
| Aberdeen Broadcasting Company Ltd | SC253812 | 08/08/2003 | Dissolved |
| Alternative & Rock Ltd | 03313413 | 05/02/1997 | Dissolved |
| BACKBEAT COMMUNICATIONS LIMITED | 07715901 | 25/07/2011 | Dissolved |
| CAMEL MEDIA LLP | OC310306 | 12/09/2005 | Dissolved |
| DX MEDIA LIMITED | 06312435 | 13/11/2007 | Dissolved |
| Dioptre Ltd | 03943474 | 09/03/2000 | Dissolved |
| Dioptre Ltd | 03943474 | 09/03/2000 | Dissolved |
| Dxmusic Ltd | 05920268 | 31/08/2006 | Dissolved |
| Ecotype Ltd | 03124305 | 14/11/1995 | Dissolved |
| Ecotype Ltd | 03124305 | 14/11/1995 | Dissolved |
| Edinburgh Fm Ltd | SC257193 | 07/10/2003 | Dissolved |
| Edinburgh Fm Ltd | SC257193 | 07/10/2003 | Dissolved |
| First Principles Advertising Limited | 02513896 | 20/06/1991 | Dissolved |
| HALLETT ARENDT MARKETING AND RESEARCH LIMITED | 01977532 | 01/10/2013 | Gold |
| Heritage Radio Ltd | 03311567 | 03/02/1997 | Dissolved |
| Neti Labs Ltd. | 04242471 | 27/06/2001 | Dissolved |
| New Rock Radio Ltd | 03350015 | 09/05/1997 | Dissolved |
| North West London Broadcasting Ltd | 03321667 | 20/02/1997 | Dissolved |
| Open Links Internet Ltd | 03821754 | 17/11/1999 | Dissolved |
| Original 107 Fm Ltd | 05951157 | 12/12/2006 | Dissolved |
| Original Fm Ltd | 05644551 | 05/12/2005 | Dissolved |
| Original Liverpool Fm Ltd | 05799874 | 29/05/2006 | Dissolved |
| Original Manchester Fm Ltd | 05922121 | 25/10/2006 | Dissolved |
| Oxford Radio Ltd | 04325506 | 20/11/2001 | Dissolved |
| Oxford Radio Ltd | 04325506 | 20/11/2001 | Dissolved |
| Radio Hull Ltd | 05724944 | 03/03/2006 | Dissolved |
| Reading Broadcast Ltd | 03690447 | 29/06/2001 | Dissolved |
| Reading Broadcast Ltd | 03690447 | 29/06/2001 | Dissolved |
| SEVEN BROADCAST LIMITED | 05192131 | 28/07/2004 | Dissolved |
| Solent Broadcasting Ltd | 03110534 | 06/03/1997 | Dissolved |
| Solent Broadcasting Ltd | 03110534 | 06/03/1997 | Dissolved |
| Tomahawk Productions Ltd | 03250686 | 04/10/1996 | Dissolved |
| Xpediate Ltd | 03943541 | 09/03/2000 | Dissolved |
| Xpediate Ltd | 03943541 | 09/03/2000 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| 107 THE EDGE LIMITED | SC176392 | 11/11/2003 | 01/04/2005 | Dissolved |
| BAUER RADIO (BCR) LIMITED | 03360681 | 02/03/2009 | 03/09/2010 | Dissolved |
| BAUER RADIO (SOUTH WEST) LIMITED | 05799853 | 28/07/2008 | 03/09/2010 | Dissolved |
| BAUER RADIO (SOUTH WEST) LIMITED | 05799853 | 29/05/2006 | 03/09/2010 | Dissolved |
| BEP APPOINTMENTS (UK) LIMITED | 03282972 | 01/08/1997 | 17/05/2000 | Silver |
| CANWEST MEDIAWORKS UK LIMITED | 05276535 | 01/01/2008 | 16/12/2008 | Dissolved |
| CRB AUDIO LIMITED | 05439096 | 28/04/2005 | 11/08/2008 | Dissolved |
| Crash F.M. Ltd | 03183489 | 10/10/1997 | 01/11/1999 | Dissolved |
| Crystal Radio Limited | 02351074 | 09/10/1991 | 18/11/1994 | Dissolved |
| Crystal Radio Limited | 02351074 | 09/10/1991 | 18/11/1994 | Dissolved |
| HALLETT ARENDT MARKETING AND RESEARCH LIMITED | 01977532 | 06/12/1991 | 01/04/1994 | Gold |
| HALLETT ARENDT MARKETING AND RESEARCH LIMITED | 01977532 | 06/12/1991 | 18/11/1994 | Gold |
| OCTAGON RADIO ANALYSES SYSTEMS LIMITED | 04633684 | 10/01/2003 | 01/01/2005 | Dissolved |
| OCTAGON RADIO ANALYSES SYSTEMS LIMITED | 04633684 | 10/01/2003 | 01/01/2005 | Dissolved |
| ORIGINAL ABERDEEN FM LIMITED | 05922097 | 18/07/2008 | 10/09/2009 | Silver |
| ORIGINAL ABERDEEN FM LIMITED | 05922097 | 25/10/2006 | 10/09/2009 | Silver |
| ORIGINAL BRISTOL FM LIMITED | 06656251 | 25/07/2008 | 03/09/2010 | Dissolved |
| ORIGINAL BRISTOL FM LIMITED | 06656251 | 25/07/2008 | 03/09/2010 | Dissolved |
| ORIGINAL DIGITAL LIMITED | 06127756 | 01/01/2008 | 16/12/2008 | Dissolved |
| RADIO ACADEMY TRADING LIMITED | 02875446 | 21/12/1993 | 25/05/2010 | Dissolved |
| Radio Projects Ltd | 02425940 | 25/09/1991 | 18/11/1994 | Dissolved |
| River Fm Ltd | SC194261 | 11/11/2003 | 19/12/2005 | Dissolved |
| The Quay Radio Ltd | 03080194 | 27/04/1998 | 12/11/1999 | Dissolved |
| USP CONTENT LIMITED | 02532550 | 20/08/1991 | 18/11/1994 | Dissolved |
| WATERBEACH COMMUNICATIONS LIMITED | 03112745 | 01/09/2003 | 31/12/2005 | Dissolved |
| XFM LIMITED | 02672315 | 28/02/1997 | 30/04/1998 | Bronze |