| Company | Timeline | Status | |
| Bragdy Lleu Cyf Director • Hunan Gyflogedig | 16 Oct 2013←9 Years→14 Jun 2023 | Active | |
| Cymdeithas Rheilffordd Eryri Director • Builder/glazier | 16 Sep 2000←24 Years→14 Sep 2024 | Active | |
| Cwmni Adwy Cyf Director • Builder | 17 Aug 1999←7 Years→25 Jan 2007 | Dissolved | |
