| Company | Timeline | Status | |
| Volt Loudspeakers Limited Director • Director | 20 Jan 2004←7 Months→15 Sep 2004 | Active | |
| Quested Monitoring Systems Limited Secretary • Unreported | 18 Nov 1993←9 Years→30 Apr 2003 | Active | |
| Quested Monitoring Systems Limited Director • Unreported | 1 Feb 1993←10 Years→30 Apr 2003 | Active | |
