| Company | Timeline | Status | |
| Ymddiriedolaeth Cadwraeth Adeiladau Castell Aberteifi Cardigan Castle Building Preservation Trust Secretary • Retired | 18 Apr 2007←15 Years→28 Mar 2023 | Dissolved | |
| Ymddiriedolaeth Cadwraeth Adeiladau Cadwgan Building Preservation Trust Secretary • Retired | 15 Nov 2006←19 Years→Current | Active | |
