| Company | Timeline | Status | |
| Hamilton And Kinneil (Archerfield) Limited Director • Conservation Officer | 3 Feb 2005←20 Years→Current | Active | |
| Archerfield Estates Ltd Director • Chief Executive | 1 Jan 2005←21 Years→Current | Active | |
| Archerfield Wildlife Centre Limited Director • Unreported | 4 Nov 2003←22 Years→Current | Active | |
