| Company | Timeline | Status | |
| Cymdeithas Cyfieithwyr Cymru Cyf Director • Unreported | 1 Apr 2022←3 Years→Current | Active | |
| Cymen Cyfyngedig Director • Unreported | 13 Nov 2007←18 Years→Current | Active | |
| Cymen Holdings Limited Director • Unreported | 29 May 2007←18 Years→Current | Active | |
