| Company | Timeline | Status | |
| Ffestiniog And Welsh Highland Railways Heritage Limited Director • Archeology & Heritage Consultant | 1 Apr 2012←13 Years→17 Jun 2025 | Dissolved | |
| Rheilffordd Llyn Tegid Limited Director • Unreported | 23 Sep 2006←19 Years→Current | Active | |
| The Welsh Mines Preservation Trust Director • Archaeologist | 11 Oct 1997←2 Years 5 Months→19 Mar 2000 | Active | |
Tirwedd Trust Ltd Secretary • Company Director | 5 Sep 1995←17 Years→12 May 2013 | Dissolved | |
