| Company | Timeline | Status | |
| Freelance Euro Services (Mdccxi) Limited Director • Well Services Engineer | 1 Sep 2005←18 Years→26 Mar 2024 | Dissolved | |
| Caledonian Petroleum Services Limited Director • Engineer | 30 Nov 1990←13 Years→30 Nov 2003 | Active | |
| Caledonian Petroleum Services Limited Director • Unreported | 1 Jan 1970←33 Years→30 Nov 2003 | Active | |
