| Company | Timeline | Status | |
| Strata Associates Limited Director • Surveyor | 15 Feb 2005←20 Years→Current | Active | |
Balfours Environmental Consultants Limited Director • Surveyor | 8 Mar 2004←1 Year 11 Months→1 Mar 2006 | Dissolved | |
| Dovetail Contracting Limited Director • Designer/surveyor | 19 Jan 2001←24 Years→Current | Active | |
