| Company | Timeline | Status | |
| Swan House Investments Limited Secretary • Structural Engineer  | 22 Sep 2006←19 Years→Current  | Active  | |
| 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  | |
