| Company | Timeline | Status | |
| Cymdeithas Cyfieithwyr Cymru Cyf Director • Cyfieithydd | 30 Sep 2015←9 Years→11 Sep 2025 | Active | |
| Hwyl A Fflag Cyf Director • Director | 7 Aug 2006←19 Years→Current | Active | |
| Testun Cyfyngedig Director • Adolygydd Is-deitlau | 27 Jan 1994←31 Years→Current | Active | |
| Trosol Ltd Director • Director | 14 Jul 1992←7 Months→15 Feb 1993 | Active | |
| Cantref Teifi Cyf Director • Company Director | 30 May 1991←2 Years 7 Months→31 Dec 1993 | Active | |
