| Company | Timeline | Status | |
| Analytical X-Rays Ltd Director • Director | 10 Mar 2007←18 Years→Current | Active | |
| Alphafox Systems Ltd Director • Scientist | 12 May 2006←17 Years→27 Jun 2023 | Dissolved | |
| Alpha-Active Ltd Director • Director | 30 Jun 2001←24 Years→Current | Active | |
| Medilec Ltd Director • Scientist | 29 Dec 1997←25 Years→14 Nov 2023 | Dissolved | |
| XTRA-Sense Ltd Director • Scientist | 4 Apr 1997←6 Years→13 Oct 2003 | Active | |
| Staplethorne Ltd Director • Scientist | 14 Mar 1996←29 Years→Current | Active | |
| Purple River Limited Director • Scientist | 8 Feb 1996←29 Years→Current | Active | |
