| Company | Timeline | Status | |
| Border Consultants Forestry Limited Director • Director | 5 Feb 2015←5 Years→16 Dec 2020 | Active | |
| Karthaus Consulting Limited Director • Forester | 17 Mar 2003←20 Years→22 Oct 2023 | Dissolved | |
| Cashel Forest Trust Secretary • Unreported | 13 Aug 1998←2 Years 3 Months→5 Dec 2000 | Active | |
| Cashel Forest Trust Director • Forester | 11 Sep 1996←6 Months→15 Mar 1997 | Active | |
| Cashel Forest Trust Director • Unreported | 11 Sep 1996←6 Months→4 Apr 1997 | Active | |
