| 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 | |
