| Company | Timeline | Status | |
| Sacomet Limited Director • Engineer | 25 Oct 1997←25 Years→18 Jul 2023 | Dissolved | |
| Nairn Holdings Limited Director • Engineer | 3 Feb 1995←2 Years 8 Months→23 Oct 1997 | Active | |
| Rautomead Limited Director • Engineer | 3 Feb 1995←2 Years 8 Months→23 Oct 1997 | Active | |
