| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| 1458 Big A M Ltd | 02890732 | 24/06/2005 | Dissolved |
| ALLIED RADIO PRODUCTIONS LIMITED | 01636838 | 24/06/2005 | Dissolved |
| ALLTALK FM LIVERPOOL LIMITED | 05340057 | 30/09/2005 | Dissolved |
| ALLTALK FM NORTH EAST LIMITED | 05315856 | 30/09/2005 | Dissolved |
| Absolute Radio Scotland Ltd | SC237935 | 10/10/2002 | Dissolved |
| Absolute Radio West Midlands Ltd | 04292570 | 12/12/2001 | Dissolved |
| Alltalk Fm South Wales Ltd | 05169257 | 31/07/2005 | Dissolved |
| Bristol Fm Ltd | 05242170 | 31/07/2005 | Dissolved |
| Capital House 10 Ltd | NI068139 | 20/02/2008 | Dissolved |
| Channel Three News Ltd | 04130908 | 28/03/2001 | Dissolved |
| Crash F.M. Ltd | 03183489 | 26/09/2003 | Dissolved |
| FOREVER BROADCASTING DIGITAL RADIO LIMITED | 04090428 | 31/07/2005 | Dissolved |
| Galactichalo Ltd | 03204026 | 24/06/2005 | Dissolved |
| LEAHURST INVESTMENTS LIMITED | 00625189 | 24/06/2005 | Dissolved |
| MOYLE CONTRACTORS LIMITED | NI017146 | 16/12/1983 | Dissolved |
| MOYLE CONTRACTORS LIMITED | NI017146 | 16/12/1983 | Dissolved |
| NEW CITY RADIO LIMITED | 04831680 | 31/07/2005 | Dissolved |
| NORTHERN BANK LIMITED | FC027902 | 27/10/2007 | Dissolved |
| Newstalk 105.2 Fm Ltd | 03183698 | 24/06/2005 | Dissolved |
| OFF THE TELLY PRODUCTIONS LIMITED | 02121211 | 24/06/2005 | Dissolved |
| 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 |
| Tower Fm Ltd | 03373058 | 26/09/2003 | 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 |
|---|---|---|---|---|
| 102.4 WISH FM LIMITED | 03134290 | 24/06/2005 | 12/05/2016 | Dissolved |
| ALLIED RADIO LIMITED | SC006192 | 24/06/2005 | 12/05/2016 | Strike Off |
| BAILIE GROUP LIMITED | NI005822 | 01/10/2017 | 31/12/2024 | Silver |
| COAST TO COAST FM RADIO LTD | SC167874 | 24/06/2005 | 14/05/2008 | Strike Off |
| DIRECT NET ACCESS LIMITED | NI025350 | 02/03/2000 | 12/05/2016 | Dissolved |
| FOREVER BROADCASTING LIMITED | 03844914 | 24/06/2005 | 12/05/2016 | Dissolved |
| GRAND CENTRAL BROADCASTING LIMITED | 03459102 | 24/06/2005 | 12/05/2016 | Dissolved |
| GRAND OPERA HOUSE TRUST | NI028078 | 01/05/2001 | 18/12/2007 | Gold |
| IMAGINE FM LIMITED | 02118515 | 24/06/2005 | 31/12/2008 | Strike Off |
| INDEPENDENT RADIO GROUP LIMITED | 03101886 | 24/06/2005 | 12/05/2016 | Dissolved |
| ITV NETWORK LIMITED | 00603893 | 01/10/1999 | 23/10/2012 | Gold |
| NORTHERN BANK LIMITED | R0000568 | 05/07/2005 | 31/03/2014 | Bronze |
| NORTHERN IRELAND SCREEN COMMISSION | NI031997 | 01/04/2001 | 30/08/2007 | Silver |
| PERFECTTASTE LIMITED | 03855837 | 26/09/2003 | 12/05/2016 | Dissolved |
| PROUD FM LIMITED | 05035439 | 31/07/2005 | 25/01/2010 | Dissolved |
| PULSE F.M. LIMITED | 03115088 | 24/06/2005 | 12/05/2016 | Dissolved |
| RADIOWAVE (BLACKPOOL) LIMITED | 02380110 | 24/06/2005 | 12/05/2016 | Dissolved |
| RECRUITMENT NORTHERN IRELAND LIMITED | NI037709 | 06/02/2009 | 12/05/2016 | Strike Off |
| ROCK RADIO LIMITED | SC131424 | 24/06/2005 | 29/09/2006 | Not Trading |
| SIGNAL RADIO LIMITED | 01633042 | 24/06/2005 | 12/05/2016 | Dissolved |
| SOCCERBET LIMITED | 04766099 | 31/07/2005 | 12/05/2016 | Dissolved |
| SWANSEA SOUND LIMITED | 01089326 | 24/06/2005 | 12/05/2016 | Dissolved |
| SWITCHDIGITAL (B&H) LIMITED | 04404178 | 24/06/2005 | 21/06/2010 | Dissolved |
| SWITCHDIGITAL (LONDON) LIMITED | 03729042 | 24/06/2005 | 21/06/2010 | Silver |
| SWITCHDIGITAL (S&S) LIMITED | 04342010 | 24/06/2005 | 21/06/2010 | Dissolved |
| SWITCHDIGITAL (SCOTLAND) LIMITED | SC200916 | 24/06/2005 | 21/06/2010 | Amber |
| TALK RADIO UK LIMITED | 03707787 | 31/07/2005 | 12/05/2016 | Dissolved |
| TALKSPORT LIMITED | 02806093 | 24/06/2005 | 12/05/2016 | Silver |
| THE DIGITAL RADIO GROUP (LONDON) LIMITED | 03903499 | 24/06/2005 | 25/03/2009 | Gold |
| THE GRAND OPERA HOUSE (THEATRE) LIMITED | NI050771 | 14/09/2004 | 18/12/2008 | Bronze |
| THE WIRELESS GROUP (ILRS) LIMITED | 03115084 | 24/06/2005 | 12/05/2016 | Dissolved |
| THE WIRELESS GROUP HOLDINGS LIMITED | 03578294 | 24/06/2005 | 12/05/2016 | Silver |
| TOWER 107.4 FM LIMITED | 04864434 | 24/06/2005 | 12/05/2016 | Dissolved |
| TWG PAYMENTS LIMITED | 03729073 | 31/07/2005 | 12/05/2016 | Dissolved |
| U105 LIMITED | NI055506 | 09/06/2005 | 12/05/2016 | One Red Flag |
| UTV LIMITED | NI004230 | 31/03/2000 | 29/02/2016 | Silver |
| WIRE FM (1997) LIMITED | 03172527 | 24/06/2005 | 12/05/2016 | Dissolved |
| WIRELESS CONNECT LIMITED | NI032652 | 02/03/2000 | 12/05/2016 | Strike Off |
| WIRELESS DRIVE LIMITED | NI072127 | 24/03/2009 | 12/05/2016 | Strike Off |
| WIRELESS GROUP LIMITED | NI065086 | 09/08/2007 | 12/05/2016 | Bronze |
| WIRELESS GROUP MEDIA (GB) LIMITED | 03949697 | 24/06/2005 | 12/05/2016 | Silver |
| WIRELESS GROUP NEW MEDIA LIMITED | NI053107 | 12/02/2008 | 12/05/2016 | Not Trading |
| WIRELESS RADIO LIMITED | 04334042 | 01/02/2002 | 12/05/2016 | Dissolved |
| WOLVERHAMPTON AREA RADIO LIMITED | 02424035 | 24/06/2005 | 12/05/2016 | Dissolved |