| Company | Timeline | Status | |
| Porthmadog Concrete Limited Director • Company Director | 6 Jul 2004←1 Day→6 Jul 2004 | Active | |
| H G Griffith And Son Limited Director • Company Director | 29 Jul 2003←22 Years→Current | Active | |
| Porthmadog Concrete Limited Secretary • Company Director | 29 Jul 2003←18 Years→30 Jul 2021 | Active | |
