| Company | Timeline | Status | |
| Crochan Celf Director • Rheolwr Gyfarwyddwr  | 26 Nov 2006←1 Year→12 Dec 2007  | Active  | |
| Galeri Caernarfon Cyf Director • Cyfarwyddwr Cymru  | 26 Nov 2006←1 Year→12 Dec 2007  | Active  | |
Cwmni Largo Cyf Director • Rheolwr Gyfarwyddwr  | 18 Dec 2003←5 Years→21 Jan 2009  | Dissolved  | |
Dyddiol Cyf Director • Cyfarwyddwr Cwmni  | 1 May 2003←4 Years→12 Apr 2008  | Dissolved  | |
| Mentera Director • Cyfarwyddwr Cwmni  | 2 Nov 2000←7 Years→20 Nov 2007  | Active  | |
Cymad Director • Rheolwr Gyfarwyddwr  | 11 Sep 1995←12 Years→31 Jan 2008  | Dissolved  | |
The Taliesin Trust Limited Director • Company Director  | 13 Nov 1994←1 Year 10 Months→20 Sep 1996  | Dissolved  | |
| Portmeirion Shops Limited Director • Unreported  | 1 Jan 1970←55 Years→Current  | Active  | |
| Portmeirion Limited Director • Unreported  | 1 Jan 1970←55 Years→Current  | Active  | |
