| Company | Timeline | Status | |
| Firby Farms Ltd Director • Farmer And Developer | 23 Jan 2014←11 Years→Current | Active | |
| R D Firby Ltd Director • Farmer And Developer | 23 Jan 2014←10 Years→5 Mar 2024 | Dissolved | |
| Yorkshire Museum Of Farming Limited Director • Farmer | 22 Apr 1994←2 Years→8 May 1996 | Active | |
