| Company | Timeline | Status | |
| Menai Holiday Cottages Limited Secretary • Farmer | 29 Oct 2003←4 Years→11 Aug 2008 | Active | |
| Rural Incineration Disposals Limited Director • Farmer | 17 Jul 2003←17 Years→11 May 2021 | Dissolved | |
| Eryri Limited Secretary • Farmer | 11 Nov 1998←27 Years→Current | Active | |
| Eryri Limited Director • Farmer | 21 Sep 1998←27 Years→Current | Active | |
| Persicle Limited Director • Farmer | 19 Nov 1997←8 Years→23 Jan 2006 | Active | |
| Snowdon Farms Limited Director • Farmer | 21 Dec 1991←34 Years→Current | Active | |
| Nantanog Dairy Farm Limited Director • Farmer | 21 Dec 1990←35 Years→Current | Active | |
| Snowdon Farms Limited Director • Unreported | 1 Jan 1970←56 Years→Current | Active | |
| Nantanog Dairy Farm Limited Director • Unreported | 1 Jan 1970←56 Years→Current | Active | |
