| Company | Timeline | Status | |
| Veterinary Tissue Bank Limited Director • Director | 20 Feb 2009←14 Years→20 Apr 2023 | Active | |
| Scope Medical Products Limited Director • Company Director | 12 Mar 2001←20 Years→19 Jul 2021 | Active | |
| Techceram Technology Centre Limited Director • Unreported | 8 May 1995←1 Year 3 Months→13 Aug 1996 | Liquidation | |
| Plasma Coatings Limited Director • Engineer | 21 Aug 1991←29 Years→19 Jul 2021 | Active | |
Ceradent Ltd Director • Managing Director | 27 Jul 1991←5 Years→13 Aug 1996 | Dissolved | |
| Plasma Biotal Limited Director • Engineer | 9 Apr 1991←30 Years→19 Jul 2021 | Active | |
