| Company | Timeline | Status | |
| Quadrant Topco Limited Director • Director | 15 Jan 2024←1 Year 11 Months→Current | Liquidation | |
| Quadrant Simulation Systems Limited Director • Director | 30 Sep 2023←2 Years 2 Months→Current | Active | |
| Quest Flight Training Limited Director • Company Director | 21 May 2022←3 Years→Current | Active | |
| Micro Nav (Holdings) Limited Director • Director | 22 Aug 2012←7 Years→31 Dec 2019 | Active | |
| Micro Nav Limited Director • Director | 22 Aug 2012←7 Years→31 Dec 2019 | Active | |
| Micro Nav (Software) Limited Director • Director | 22 Aug 2012←7 Years→31 Dec 2019 | Active | |
| Quadrant Group Limited Director • Unreported | 21 Feb 2002←23 Years→Current | Active | |
| Quest Flight Training Limited Director • Company Director | 7 Jan 2000←19 Years→30 Oct 2019 | Active | |
| Synectics Plc Director • Company Director | 11 Jan 1995←7 Years→26 Mar 2002 | Active | |
| Quadrant Systems Limited Director • Company Director | 4 Jul 1994←25 Years→2 Jan 2020 | Active | |
