| Company | Timeline | Status | |
| 7 1/4" Gauge Society Limited Director • Land Surveyor  | 23 Sep 2017←8 Years→Current  | Active  | |
Cartographical Surveys Limited Director • Surveyor  | 7 Oct 1998←9 Years→23 Jun 2008  | Dissolved  | |
Cartographical Surveys Limited Secretary • Surveyor  | 7 Oct 1998←9 Years→23 Jun 2008  | Dissolved  | |
| Central Surveys Limited Director • Company Director  | 22 Jul 1996←13 Years→23 Jun 2010  | Dissolved  | |
