| Company | Timeline | Status | |
| BKW (Holdings) Limited Secretary • Unreported | 4 Sep 2003←1 Year 4 Months→1 Jan 2005 | Dissolved | |
| BKW (Holdings) Limited Director • Company Secretary | 4 Sep 2003←5 Years→3 Nov 2008 | Dissolved | |
| BKW Instruments Limited Director • Company Secretary | 11 Jul 1991←17 Years→3 Nov 2008 | Active | |
| BKW Instruments Limited Secretary • Unreported | 11 Jul 1991←13 Years→1 Jan 2005 | Active | |
