| Company | Timeline | Status | |
| Appleton Farming Limited Director • Director | 15 Mar 2016←9 Years→Current | Active | |
| Duncan Ross Land Drainage Limited Director • Company Director | 30 Jan 1993←33 Years→Current | Active | |
| Duncan Ross Land Drainage Limited Director • Unreported | 1 Jan 1970←56 Years→Current | Active | |
