| Company | Timeline | Status | |
| CWM Cadian Hydro Limited Director • Engineer | 17 Jul 2018←7 Years→Current | Active | |
| Ffridd Uchaf Hydro Ltd Director • Hydro Engineer | 21 Jun 2018←7 Years→Current | Active | |
| Coedwig Hydro Limited Director • Hydro Engineer | 2 Apr 2013←12 Years→Current | Active | |
| Plas Einion Management Company Limited Director • Unreported | 27 Aug 1998←27 Years→Current | Active | |
| Dulas Ltd Director • Engineer | 1 Jan 1993←7 Years→18 Feb 2000 | Active | |
