| Company | Timeline | Status | |
| E.Dunderdale Syner & Co.Limited Secretary • Unreported | 5 Sep 1991←34 Years→Current | Active | |
| E.Dunderdale Syner & Co.Limited Director • Hearing Aid Consultant | 5 Sep 1991←34 Years→Current | Active | |
| Traethgwyn Flats Limited Director • Audiologist | 31 Dec 1990←15 Years→16 Jun 2006 | Active | |
