| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ARISTON ACOUSTICS LIMITED | 02820162 | 10/10/2023 | Not Trading |
| ARISTON AUDIO LIMITED | 02798083 | 10/10/2023 | Not Trading |
| AUDIO INNOVATIONS LIMITED | 03217426 | 10/10/2023 | Not Trading |
| AUDIO PARTNERSHIP PLC | 02953313 | 31/07/2015 | One Red Flag |
| CAMBRIDGE AUDIO LIMITED | 02845725 | 10/10/2023 | Not Trading |
| GALE LIMITED | 02977996 | 10/10/2023 | Not Trading |
| MORDAUNT-SHORT LIMITED | 03823812 | 10/10/2023 | Silver |
| OPUS TECHNOLOGIES LIMITED | 04685462 | 10/10/2023 | Silver |
| TDL ELECTRONICS UK LIMITED | 03871123 | 10/10/2023 | Not Trading |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| FOLDING HELMET LIMITED | 09929733 | 24/12/2015 | 02/02/2016 | Dissolved |
| FOLDING HELMET TECHNOLOGY LIMITED | 09929729 | 24/12/2015 | 02/02/2016 | Dissolved |