| Company | Timeline | Status | |
| Subsee Services Ltd Director • Design Engineer | 20 May 2016←7 Years→20 Jun 2023 | Dissolved | |
| Captech Limited Director • Engineer | 28 Nov 1990←35 Years→Current | Active | |
| Captech Limited Director • Unreported | 1 Jan 1970←56 Years→Current | Active | |
