| Company | Timeline | Status | |
| Acoustic Curtains Limited Director • Company Director | 15 Apr 2010←12 Years→31 Jan 2023 | Dissolved | |
Kestrel Acoustics Ltd Director • Director | 13 Jul 2007←7 Years→6 Mar 2015 | Dissolved | |
Ecomax Acoustic Products Limited Director • Company Director | 29 Aug 1991←3 Years→31 Jan 1995 | Dissolved | |
