| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BRIDLINGTON RADIO LIMITED | 03677634 | 25/01/2012 | Dissolved |
| COMMUNITY ADS ONLINE LIMITED | 05521126 | 25/01/2012 | Dissolved |
| COUNTY SOUND LIMITED | 03087722 | 25/01/2012 | Dissolved |
| DURHAM FM LIMITED | 03838404 | 25/01/2012 | Dissolved |
| ITS MY MARKET LIMITED | 03854364 | 25/01/2012 | Dissolved |
| JUST RIGGING & INSPECTIONS SCOTLAND LTD | SC471179 | 01/02/2024 | Silver |
| KATZ TELEVISION SALES LTD | 02778427 | 25/01/2012 | Dissolved |
| KATZ UK LIMITED | 02791113 | 25/01/2012 | Dissolved |
| MINSTER SOUND RADIO LIMITED | 02602667 | 25/01/2012 | Dissolved |
| MIX 107 FM LIMITED | 02649398 | 25/01/2012 | Dissolved |
| NORTH DEVON RADIO LIMITED | 07582299 | 29/03/2011 | Dissolved |
| NORTHALLERTON FM LIMITED | 04174134 | 25/01/2012 | Dissolved |
| NORTHERN LIGHT STAGE AND TECHNICAL SERVICES LIMITED | SC181667 | 04/02/2021 | Silver |
| PERFORMING ARTS TECHNOLOGY LIMITED | SC336871 | 04/02/2021 | Bronze |
| QUADRANT MEDIA LIMITED | 05678156 | 25/01/2012 | Dissolved |
| RADIO INVESTMENTS LTD. | 01038766 | 25/01/2012 | Dissolved |
| RADIO SERVICES LIMITED | 02996187 | 25/01/2012 | Dissolved |
| RENAISSANCE RADIO LIMITED | 05667968 | 25/01/2012 | Dissolved |
| SAVE BUCKETS LIMITED | 03189927 | 25/01/2012 | Dissolved |
| SE1 EVENTS LIMITED | 08006906 | 04/02/2021 | Silver |
| SPIRIT OF OXFORDSHIRE RADIO LIMITED | 05769368 | 25/01/2012 | Dissolved |
| STAGE ELECTRICS GROUP LIMITED | 08245994 | 04/02/2021 | Silver |
| STAGE ELECTRICS LIMITED | 02585056 | 04/02/2021 | Silver |
| STAGE ELECTRICS PARTNERSHIP LIMITED | 03209293 | 04/02/2021 | Silver |
| STUDIO ELECTRICS LIMITED | 02592682 | 04/02/2021 | Silver |
| THE MAGNETIZ GROUP LIMITED | 12840825 | 20/10/2021 | Bronze |
| THEATRE DIRECT LIMITED | 02182212 | 04/02/2021 | Silver |
| THEATRE VISION LIMITED | 02993344 | 04/02/2021 | Silver |
| TLRC ENTERPRISES LIMITED | 05331818 | 25/01/2012 | Dissolved |
| TRINITY FM LIMITED | 05256625 | 25/01/2012 | Dissolved |
| TWO BOROUGHS RADIO LIMITED | 03704387 | 25/01/2012 | Dissolved |
| UKRD RADIO SERVICES LIMITED | 03564336 | 25/01/2012 | Dissolved |
| WEB GIFTS ONLINE LIMITED | 06031813 | 25/01/2012 | Dissolved |
| WEST COUNTRY RADIO HOLDINGS LIMITED | 03109609 | 25/01/2012 | Dissolved |
| X-CEL F.M. LIMITED | 02553665 | 25/01/2012 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ALPHA BROADCASTING LIMITED | 02997080 | 25/01/2012 | 31/03/2017 | Strike Off |
| BRIGHTON & HOVE RADIO LIMITED | 04880694 | 27/07/2015 | 17/08/2016 | Silver |
| CAMBRIDGE RADIO LIMITED | 03178676 | 25/01/2012 | 03/01/2017 | Insolvent |
| EAGLE RADIO LIMITED | 02846346 | 25/01/2012 | 20/08/2020 | Dissolved |
| ENCORE RADIO LIMITED | 10095061 | 21/07/2016 | 20/08/2020 | Dissolved |
| FOLDER MEDIA DIGITAL INVESTMENTS LTD | 08152338 | 23/07/2012 | 24/07/2013 | Gold |
| KLFM LIMITED | 03851781 | 25/01/2012 | 20/08/2020 | Dissolved |
| LANCASHIRE BROADCASTING COMPANY LIMITED | 04130072 | 25/01/2012 | 31/07/2018 | Bronze |
| MINSTER SOUND RADIO (YORK) LIMITED | 03092759 | 25/01/2012 | 20/08/2020 | Dissolved |
| MIX 96 LIMITED | 02747321 | 25/01/2012 | 20/08/2020 | Dissolved |
| PIRATE FM LIMITED | 02552870 | 23/02/2012 | 20/08/2020 | Dissolved |
| SOUTH WEST DIGITAL RADIO LIMITED | 04404528 | 21/03/2013 | 29/05/2020 | Silver |
| SPIRE FM LIMITED | 02597649 | 25/01/2012 | 20/08/2020 | Dissolved |
| SPIRIT FM LIMITED | 02889122 | 25/01/2012 | 20/08/2020 | Dissolved |
| STRAY FM LIMITED | 02774366 | 25/01/2012 | 20/08/2020 | Dissolved |
| SUN FM LIMITED | 02955400 | 25/01/2012 | 30/04/2018 | Gold |
| THE LOCAL RADIO COMPANY LIMITED | 04931007 | 31/01/2011 | 20/08/2020 | Dissolved |
| UKRD GROUP (EBT) LIMITED | 02909275 | 25/01/2012 | 20/08/2020 | Dissolved |
| UKRD GROUP LIMITED | 02725453 | 31/01/2011 | 20/08/2020 | Dissolved |
| UKRD SUPPORT AND DEVELOPMENT LIMITED | 03822076 | 25/01/2012 | 20/08/2020 | Dissolved |
| WESSEX BROADCASTING LIMITED | 02773740 | 25/01/2012 | 20/08/2020 | Dissolved |
| YORKSHIRE COAST RADIO LIMITED | 02775583 | 25/01/2012 | 20/08/2020 | Dissolved |