| Company | Timeline | Status | |
| Geomount Limited Secretary • Engineer | 7 Oct 1993←1 Month→2 Dec 1993 | Active | |
| Geomount Limited Director • Engineer | 7 Oct 1993←1 Month→2 Dec 1993 | Active | |
Southpark Precision Engineering Limited Director • Engineer | 31 Dec 1990←27 Years→2 Oct 2018 | Dissolved | |
