| Company | Timeline | Status | |
| Troston Farms Limited Director • Manufacturer | 31 Jul 1991←29 Years→19 Jan 2021 | Active | |
| Claas Holdings Limited Director • Chairman | 25 Feb 1991←7 Years→19 Feb 1999 | Active | |
| Claas UK Limited Director • Chairman | 25 Feb 1991←7 Years→19 Feb 1999 | Active | |
