| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| 3 GLADSTONE ROAD MANAGEMENT COMPANY LIMITED | 06850674 | 18/03/2009 | Not Trading |
| 44 ARTILLERY LANE LIMITED | 06908909 | 18/05/2009 | Bronze |
| BIG SCREEN ENTERTAINMENT LIMITED | 03736608 | 19/03/1999 | Not Trading |
| FUSION AUDIO BRANDS LLP | OC304339 | 01/04/2003 | Dissolved |
| GALLERY COURT LIMITED | 03021231 | 05/05/1995 | Dissolved |
| Grey Frog Ltd | 04132886 | 29/12/2000 | Dissolved |
| L3 LIMITED | 03686596 | 21/12/1998 | Not Trading |
| LOMO LIMITED | 03648714 | 13/10/1998 | Dissolved |
| OPUS TECHNOLOGIES UK LLP | OC304338 | 01/04/2003 | Dissolved |
| RICHER CONSULTING LIMITED | 03279074 | 15/11/1996 | Dissolved |
| RICHER SOUNDS INTERNATIONAL LIMITED | 03097410 | 04/09/1995 | Dissolved |
| RICHER SOUNDS LIMITED | 01402643 | 13/08/1991 | Bronze |
| THE FAIRNESS FOUNDATION | 02912767 | 25/03/1994 | Gold |
| The Richer Partnership Ltd | 03470508 | 24/11/1997 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ARISTON AUDIO LIMITED | 02798083 | 14/12/1994 | 13/10/2009 | Not Trading |
| AUDIO INNOVATIONS LIMITED | 03217426 | 27/06/1996 | 13/10/2009 | Not Trading |
| AUDIO PARTNERSHIP PLC | 02953313 | 21/11/1994 | 13/10/2009 | One Red Flag |
| CAMBRIDGE AUDIO LIMITED | 02845725 | 14/12/1994 | 13/10/2009 | Not Trading |
| EVER 1423 LIMITED | 04049010 | 23/10/2000 | 16/08/2024 | Strike Off |
| GALE LIMITED | 02977996 | 14/12/1994 | 13/10/2009 | Not Trading |
| MORDAUNT-SHORT LIMITED | 03823812 | 11/08/1999 | 13/10/2009 | Silver |
| TDL ELECTRONICS UK LIMITED | 03871123 | 04/11/1999 | 13/10/2009 | Not Trading |