| Company | Timeline | Status | |
| Scientific Imaging Systems Ltd Director • Physicist | 14 Aug 2018←5 Years→6 Aug 2024 | Dissolved | |
| Millham Holdings Limited Director • Director | 18 Sep 2017←5 Years→9 May 2023 | Dissolved | |
| G-Bkou/2 Limited Director • Physicist | 22 May 2008←9 Years→15 Aug 2017 | Active | |
| Defence Vision Systems (DVS) Limited Director • Physicist | 18 Nov 1999←24 Years→6 Aug 2024 | Dissolved | |
| Photonic Science Limited Secretary • Unreported | 1 Aug 1999←3 Years→1 Oct 2002 | Liquidation | |
| Photonic Science Limited Director • Physicist | 31 Dec 1991←33 Years→Current | Liquidation | |
