| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| 1458 Big A M Ltd | 02890732 | 24/06/2005 | Dissolved |
| 4 Digital Group Ltd | 06069512 | 05/07/2007 | Dissolved |
| ALLIED RADIO PRODUCTIONS LIMITED | 01636838 | 24/06/2005 | Dissolved |
| ALLTALK FM LIVERPOOL LIMITED | 05340057 | 30/09/2005 | Dissolved |
| Alltalk Fm South Wales Ltd | 05169257 | 31/07/2005 | Dissolved |
| Bristol Fm Ltd | 05242170 | 31/07/2005 | Dissolved |
| Galactichalo Ltd | 03204026 | 24/06/2005 | Dissolved |
| LEAHURST INVESTMENTS LIMITED | 00625189 | 24/06/2005 | Dissolved |
| NEW CITY RADIO LIMITED | 04831680 | 31/07/2005 | Dissolved |
| Newstalk 105.2 Fm Ltd | 03183698 | 24/06/2005 | Dissolved |
| OFF THE TELLY PRODUCTIONS LIMITED | 02121211 | 24/06/2005 | Dissolved |
| SOUND DIGITAL LIMITED | 09245317 | 07/10/2014 | Silver |
| TALK 106.1 FM LTD. | 05198109 | 24/06/2005 | Dissolved |
| TALK 107 EDINBURGH LIMITED | SC271956 | 31/08/2005 | Dissolved |
| TOWN CENTRE PROPERTIES(SUBSIDARY)LIMITED | 00645844 | 24/06/2005 | Dissolved |
| The Wireless Radio Co Ltd | 03818261 | 31/07/2005 | Dissolved |
| Twg Impact Ltd | 03729060 | 24/06/2005 | Dissolved |
| Valley Radio Ltd | 03051442 | 24/06/2005 | Dissolved |
| Wareselection Ltd | 03213838 | 24/06/2005 | Dissolved |
| Wyke Fm Ltd | 04709473 | 31/07/2005 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| FIRST RADIO SALES LIMITED | 02795622 | 30/09/2005 | 30/04/2020 | Strike Off |
| IMAGINE FM LIMITED | 02118515 | 24/06/2005 | 31/12/2008 | Strike Off |
| JUICE HOLDCO LIMITED | 09514551 | 21/04/2015 | 08/10/2015 | One Red Flag |
| PROUD FM LIMITED | 05035439 | 31/07/2005 | 25/01/2010 | Dissolved |
| RADIO ACADEMY(THE) | 01978864 | 25/05/2011 | 17/07/2014 | Bronze |
| U105 LIMITED | NI055506 | 09/06/2005 | 17/09/2009 | Amber |
| UK DIGITAL RADIO LIMITED | 04104532 | 19/05/2008 | 08/03/2010 | One Red Flag |