| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BRIDLINGTON RADIO LIMITED | 03677634 | 29/05/2009 | Dissolved |
| COMMUNITY ADS ONLINE LIMITED | 05521126 | 03/08/2005 | Dissolved |
| COUNTY SOUND LIMITED | 03087722 | 31/10/2001 | Dissolved |
| DURHAM FM LIMITED | 03838404 | 14/07/2009 | Dissolved |
| ITS MY MARKET LIMITED | 03854364 | 31/10/2001 | Dissolved |
| KATZ TELEVISION SALES LTD | 02778427 | 29/05/2009 | Dissolved |
| KATZ UK LIMITED | 02791113 | 29/05/2009 | Dissolved |
| MINSTER SOUND RADIO LIMITED | 02602667 | 29/05/2009 | Dissolved |
| MIX 107 FM LIMITED | 02649398 | 29/05/2009 | Dissolved |
| NORTH DEVON RADIO LIMITED | 07582299 | 29/03/2011 | Dissolved |
| NORTHALLERTON FM LIMITED | 04174134 | 29/05/2009 | Dissolved |
| PLYMOUTH COMMERCIAL RADIO COMPANY LIMITED | 02909273 | 26/11/2004 | Dissolved |
| QUADRANT MEDIA LIMITED | 05678156 | 26/06/2009 | Dissolved |
| RADIO INVESTMENTS LTD. | 01038766 | 29/05/2009 | Dissolved |
| RADIO SERVICES LIMITED | 02996187 | 29/05/2009 | Dissolved |
| RENAISSANCE RADIO LIMITED | 05667968 | 29/05/2009 | Dissolved |
| SAVE BUCKETS LIMITED | 03189927 | 01/12/1997 | Dissolved |
| SPIRIT OF OXFORDSHIRE RADIO LIMITED | 05769368 | 29/05/2009 | Dissolved |
| TLRC ENTERPRISES LIMITED | 05331818 | 29/05/2009 | Dissolved |
| TRINITY FM LIMITED | 05256625 | 01/09/2011 | Dissolved |
| TWO BOROUGHS RADIO LIMITED | 03704387 | 29/05/2009 | Dissolved |
| UKRD RADIO SERVICES LIMITED | 03564336 | 31/10/2001 | Dissolved |
| WEB GIFTS ONLINE LIMITED | 06031813 | 18/12/2006 | Dissolved |
| WEST COUNTRY RADIO HOLDINGS LIMITED | 03109609 | 29/05/2009 | Dissolved |
| X-CEL F.M. LIMITED | 02553665 | 07/09/2001 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ALPHA BROADCASTING LIMITED | 02997080 | 29/05/2009 | 31/03/2017 | Strike Off |
| BRIGHTON & HOVE RADIO LIMITED | 04880694 | 27/07/2015 | 17/08/2016 | Silver |
| CAMBRIDGE RADIO LIMITED | 03178676 | 01/12/1999 | 03/01/2017 | Insolvent |
| EAGLE RADIO LIMITED | 02846346 | 23/10/1998 | 31/05/2019 | Dissolved |
| ENCORE RADIO LIMITED | 10095061 | 21/07/2016 | 30/09/2019 | Dissolved |
| FIRST RADIO SALES LIMITED | 02795622 | 29/09/2009 | 31/05/2019 | Strike Off |
| KLFM LIMITED | 03851781 | 01/12/1999 | 31/05/2019 | Dissolved |
| LANCASHIRE BROADCASTING COMPANY LIMITED | 04130072 | 04/01/2011 | 31/07/2018 | Bronze |
| MINSTER SOUND RADIO (YORK) LIMITED | 03092759 | 29/05/2009 | 31/05/2019 | Dissolved |
| MIX 96 LIMITED | 02747321 | 29/05/2009 | 31/05/2019 | Dissolved |
| PIRATE FM LIMITED | 02552870 | 29/10/1992 | 30/09/2019 | Dissolved |
| SOUTH WEST DIGITAL RADIO LIMITED | 04404528 | 05/07/2004 | 31/05/2019 | Silver |
| SPIRE FM LIMITED | 02597649 | 29/05/2009 | 31/05/2019 | Dissolved |
| SPIRIT FM LIMITED | 02889122 | 26/06/2009 | 31/05/2019 | Dissolved |
| STRAY FM LIMITED | 02774366 | 29/05/2009 | 30/09/2019 | Dissolved |
| SUN FM LIMITED | 02955400 | 29/05/2009 | 30/04/2018 | Gold |
| THE LOCAL RADIO COMPANY LIMITED | 04931007 | 19/05/2009 | 30/09/2019 | Dissolved |
| UKRD GROUP (EBT) LIMITED | 02909275 | 28/11/1997 | 31/05/2019 | Dissolved |
| UKRD GROUP LIMITED | 02725453 | 30/09/1994 | 30/09/2019 | Dissolved |
| UKRD SUPPORT AND DEVELOPMENT LIMITED | 03822076 | 26/10/1999 | 31/05/2019 | Dissolved |
| WESSEX BROADCASTING LIMITED | 02773740 | 29/05/2009 | 31/05/2019 | Dissolved |
| YORKSHIRE COAST RADIO LIMITED | 02775583 | 29/05/2009 | 31/05/2019 | Dissolved |