| Company | Timeline | Status | |
| Windsor Scientific Limited Director • Director | 26 Aug 2019←6 Years→Current | Active | |
| Ec-Lab Limited Director • Director | 8 Mar 2019←6 Years→Current | Active | |
Diligent Scientific Limited Director • Managing Director | 19 Apr 2011←8 Years→23 Feb 2020 | Dissolved | |
Trwyn Limited Director • General Manager | 19 Feb 1997←15 Years→4 Sep 2012 | Dissolved | |
Trwyn Limited Secretary • General Manager | 19 Feb 1997←15 Years→4 Sep 2012 | Dissolved | |
Argyll Scientific Limited Director • Chief Executive | 14 Aug 1991←29 Years→16 Sep 2020 | Dissolved | |
Argyll Scientific Limited Secretary • Chief Executive | 14 Aug 1991←29 Years→16 Sep 2020 | Dissolved | |
