| Company | Timeline | Status | |
| Swan House Investments Limited Director • Structural Engineer | 22 Sep 2006←19 Years→Current | Active | |
| Siddle Grimley Hage Limited Secretary • Unreported | 30 Jun 2003←22 Years→Current | Active | |
| Siddle Grimley Hage Limited Director • Engineer | 30 Jun 2000←25 Years→Current | Active | |
