| Company | Timeline | Status | |
| Macleod Simmonds Ltd Director • Director | 23 Sep 2008←17 Years→Current | Active | |
| Envirotechnics Limited Director • Surveyor | 5 Jun 2001←10 Years→17 Nov 2011 | Active | |
| Subtechnics Limited Director • Surveyor | 17 Nov 1998←13 Years→17 Nov 2011 | Active | |
