| Company | Timeline | Status | |
| Aquasium Technology Limited Director • Director | 26 Oct 2001←24 Years→Current | Active | |
| Cambridge Vacuum Engineering Limited Director • Director | 26 Oct 2001←24 Years→Current | Active | |
| C4 Carbides Limited Director • Company Director | 30 Jun 1992←1 Year→30 Jun 1993 | Active | |
