| Company | Timeline | Status | |
| Nanogigasolar Ltd Director • Director | 21 Mar 2017←3 Years→22 Dec 2020 | Dissolved | |
| Wyvern Close Residents Limited Director • Sales Director | 24 Mar 2003←1 Year 2 Months→1 Jun 2004 | Active | |
| Scientific Vacuum Systems Ltd Secretary • Unreported | 11 Sep 1991←30 Years→7 Jan 2022 | Active | |
| Scientific Vacuum Systems Ltd Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
