| Company | Timeline | Status | |
| Macaw Computing Limited Secretary • Company Accountant | 1 Nov 2005←5 Years→20 Jun 2011 | Dissolved | |
| Allsebrook Pumps Limited Secretary • Accountant | 1 Nov 2002←14 Years→5 Jan 2017 | Active | |
| Allsebrook Pump Services Limited Secretary • Accountant | 26 Nov 2001←15 Years→5 Jan 2017 | Dissolved | |
| Power Line Electric Motors Limited Secretary • Accountant | 26 Nov 2001←15 Years→5 Jan 2017 | Dissolved | |
| Tigerlogic Holdings Limited Secretary • Accountant | 12 Jul 1996←1 Year 2 Months→1 Oct 1997 | Dissolved | |
| Omnis Software Ltd Secretary • Accountant | 12 Jul 1996←1 Year 2 Months→1 Oct 1997 | Active | |
| Sandlands Management Company Limited Director • Finance Manager | 1 Oct 1993←3 Years→12 Oct 1996 | Active | |
