| Company | Timeline | Status | |
| Trading Haven Limited Secretary • Unreported | 16 Oct 2000←3 Years→1 Apr 2004 | Dissolved | |
| Breast Cancer Haven Secretary • Unreported | 16 Oct 2000←3 Years→1 Apr 2004 | Dissolved | |
| Jacobsen Analytics Limited Secretary • Unreported | 28 Jan 1993←5 Years→8 Apr 1998 | Active | |
| Jacobsen Analytics Limited Director • Naval Engineering Consultant | 3 Apr 1992←15 Years→18 Jun 2007 | Active | |
