| Company | Timeline | Status | |
Pembrokeshire Brewing Company Limited Director • Engineer | 1 Jun 2014←2 Years 4 Months→12 Oct 2016 | Dissolved | |
| Cryogenic Solutions Ltd Director • Engineer | 5 Jul 2001←22 Years→10 Oct 2023 | Dissolved | |
| Biotronics Ltd Director • Engineer | 1 Jul 1999←2 Years 7 Months→10 Feb 2002 | Active | |
| Biotronics Ltd Director • Engineer | 22 Jan 1997←1 Year 9 Months→1 Nov 1998 | Active | |
