| Company | Timeline | Status | |
| Andrew Alder Associates Limited Secretary • Unreported | 13 Dec 2007←8 Years→23 Sep 2016 | Active | |
High Voltage Pulse Technology Limited Secretary • Accountant | 13 Jul 2007←7 Years→26 Aug 2014 | Dissolved | |
| Brew Tower Owners Limited Secretary • Unreported | 24 Nov 2005←16 Years→4 Oct 2022 | Dissolved | |
