| Company | Timeline | Status | |
| The New Glyn Valley Tramway & Industrial Heritage Trust Director • Company Director | 28 Jan 2017←8 Years→Current | Active | |
| Glyn Valley Tramway Company Limited Director • Company Secretary | 28 Jan 2017←8 Years→Current | Active | |
| Central Polishing Supply Co. Limited Director • Unreported | 1 Jan 1970←33 Years→25 Mar 2003 | Active | |
| Central Polishing Supply Co. Limited Secretary • Unreported | 1 Jan 1970←48 Years→10 Dec 2018 | Active | |
