| Company | Timeline | Status | |
| Castle Acoustics Limited Director • Director | 25 Mar 1993←32 Years→Current | In Receivership | |
| Castle Acoustics Limited Secretary • Unreported | 25 Mar 1993←32 Years→Current | In Receivership | |
| Wharfedale International Limited Director • Director | 31 Dec 1991←2 Months→13 Mar 1992 | Active | |
