| Company | Timeline | Status | |
| Quanterness Wind Farm Ltd Director • Director | 29 Feb 2012←13 Years→5 Aug 2025 | Dissolved | |
| E S H Harcus Limited Director • Farmer | 24 Mar 2010←15 Years→Current | Active | |
| Orkney Livestock Association Ltd Director • Farmer | 18 Oct 2007←18 Years→Current | Active | |
