| Company | Timeline | Status | |
| Asystsu Trustees Limited Director • Retired | 17 Nov 2023←1 Year 11 Months→Current | Active | |
| Advanced Systems Understanding Trustee Limited Director • Engineering Consultant | 7 Mar 2023←2 Years 7 Months→Current | Active | |
| Advanced Systems Kapability Ltd Director • Engineering Consultant | 16 Mar 2016←5 Years→24 Aug 2021 | Dissolved | |
| Advanced Systems Understanding Ltd Director • Engineering Consultant | 21 May 2012←13 Years→Current | Active | |
| Advanced Systems Understanding Ltd Director • Engineering Consultant | 21 May 2012←12 Years→1 Jan 2025 | Active | |
| Anderson Systems Understanding Ltd Director • Engineering Consultant | 5 Apr 2011←4 Years→2 Feb 2016 | Dissolved | |
