| Company | Timeline | Status | |
| Blackminster Limited Secretary • Unreported | 6 Oct 2008←17 Years→Current | Active | |
| Centri-Force Engineering Ltd Secretary • Unreported | 16 Mar 2006←13 Years→11 Apr 2019 | Active | |
Ilectronics Limited Secretary • Unreported | 18 Sep 1995←23 Years→14 May 2019 | Dissolved | |
| Montanaro Associates Limited Secretary • Company Director | 2 Apr 1993←32 Years→Current | Active | |
