| Company | Timeline | Status | |
| Gwynedd Archaeological Trust Limited Secretary • Unreported | 28 Jun 2000←11 Years→14 Sep 2011 | Active | |
| Gwynedd Archaeological Trust Limited Director • Retired | 30 Sep 1991←23 Years→9 Sep 2015 | Active | |
| Gwynedd Archaeological Trust Limited Director • Unreported | 1 Jan 1970←45 Years→9 Sep 2015 | Active | |
