| Company | Timeline | Status | |
| Sim (Group Holdings) Limited Director • Engineer | 9 Jun 2014←11 Years→Current | Active | |
| Sim Developments Limited Director • Unreported | 23 May 2014←11 Years→Current | Active | |
| Sim Building Group Limited Director • Unreported | 22 Dec 2004←20 Years→Current | Active | |
| Sim Homes Limited Director • Unreported | 10 Nov 2004←21 Years→Current | Active | |
| Sim Fire Suppression Ltd Director • Engineer | 10 Nov 2004←21 Years→Current | Active | |
Pacific Shelf (699) Limited Director • Engineer | 10 May 2004←16 Years→22 Sep 2020 | Dissolved | |
| Weir, Ferguson, Martin Limited Director • Construction Engineer | 1 Jan 2003←22 Years→Current | Active | |
