| Company | Timeline | Status | |
| The Ships Project Cic Director • Chartered Engineer | 6 Jul 2021←4 Years→Current | Active | |
| Nautical Archaeology Society(The) Director • Engineer | 5 Nov 2011←3 Years→15 Nov 2014 | Active | |
| 3H Consulting Limited Director • Systems Engineer | 1 Jan 2004←18 Years→26 Jul 2022 | Dissolved | |
| 3H Consulting Limited Secretary • Unreported | 10 Mar 1996←20 Years→1 Jan 2017 | Dissolved | |
| 3H Consulting Limited Director • Engineer | 19 Jul 1995←7 Months→10 Mar 1996 | Dissolved | |
