| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Aural Envelope Ltd | 03068816 | 16/10/2003 | Dissolved |
| Grey Frog Ltd | 04132886 | 29/12/2000 | Dissolved |
| Grey Frog Ltd | 04132886 | 29/12/2000 | Dissolved |
| Makeasite.Com Ltd | 04239510 | 22/06/2001 | Dissolved |
| O Technologies Ltd | 04354527 | 17/01/2002 | Dissolved |
| OPUS GB LIMITED | 04675249 | 21/02/2003 | Dissolved |
| OPUS GB LIMITED | 04675249 | 21/02/2003 | Dissolved |
| Rapid-Domains.Com Ltd | 04144206 | 16/10/2003 | Dissolved |
| Rapid-Domains.Com Ltd | 04144206 | 19/01/2001 | Dissolved |
| Synergy System Technologies Ltd | 03021569 | 16/10/2003 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ARISTON ACOUSTICS LIMITED | 02820162 | 16/10/2003 | 10/10/2023 | Not Trading |
| ARISTON AUDIO LIMITED | 02798083 | 16/10/2003 | 10/10/2023 | Not Trading |
| AUDIO INNOVATIONS LIMITED | 03217426 | 10/07/2003 | 10/10/2023 | Not Trading |
| AUDIO PARTNERSHIP PLC | 02953313 | 31/03/1998 | 10/10/2023 | One Red Flag |
| CAMBRIDGE AUDIO LIMITED | 02845725 | 21/08/2003 | 10/10/2023 | Not Trading |
| GALE LIMITED | 02977996 | 16/10/2003 | 10/10/2023 | Not Trading |
| MORDAUNT-SHORT LIMITED | 03823812 | 16/10/2003 | 10/10/2023 | Silver |
| OPUS TECHNOLOGIES LIMITED | 04685462 | 04/03/2003 | 10/10/2023 | Silver |
| TDL ELECTRONICS UK LIMITED | 03871123 | 16/10/2003 | 10/10/2023 | Not Trading |
| TDL ELECTRONICS UK LIMITED | 03871123 | 04/11/1999 | 11/11/2009 | Not Trading |