| Company | Timeline | Status | |
| Gofal Plant Cyf Director • Tiwtor Cymraeg | 9 Apr 2019←6 Years→Current | Active | |
| Cyfoes Director • Tiwtor Cymraeg | 9 Apr 2019←6 Years→Current | Active | |
Y Ganolfan Cyf Director • Tiwtor Cymraeg | 9 Apr 2019←10 Months→25 Feb 2020 | Dissolved | |
| Trywydd Cyfyngedig Director • Tiwtor Cymraeg | 9 Apr 2019←6 Years→Current | Active | |
| Menter Dinefwr Director • Tiwtor Cymraeg | 9 Apr 2019←6 Years→Current | Active | |
| Mentrus Cyfyngedig Director • Tiwtor Cymraeg | 9 Apr 2019←4 Years→20 Feb 2024 | Active | |
