| Company | Timeline | Status | |
| Ashwood Land & Property Limited Director • Unreported | 15 Sep 1998←27 Years→Current | Active | |
| Ashwood Land & Property Limited Secretary • Consulting Engineer | 15 Sep 1998←27 Years→Current | Active | |
| Hydrastore Limited Director • Unreported | 1 Mar 1996←29 Years→Current | Active | |
| Douglas C. Adams & Company Limited Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
