| Company | Timeline | Status | |
| Green Purposes Company Limited Director • Environmentalist (semi-retired) | 18 Aug 2017←5 Years→31 Mar 2023 | Dissolved | |
| Aldersgate Limited Director • Consultant | 17 May 2007←8 Years→16 Dec 2015 | Active | |
| Cat Alliance Limited Director • Environmental Due Diligence Co | 27 Dec 2001←11 Years→9 May 2013 | Dissolved | |
| Enviros Limited Director • Environmental Consultant | 1 Apr 1997←8 Months→27 Nov 1997 | Dissolved | |
| Aspinwall & Company Limited Director • Company Director | 15 Feb 1993←8 Years→28 Jun 2001 | Dissolved | |
