| Company | Timeline | Status | |
| Hollybank Property Management Company Limited Director • Company Director | 15 Dec 2003←11 Years→5 Oct 2015 | Active | |
| Tarrington Limited Secretary • Retired | 20 Nov 2002←12 Years→5 Oct 2015 | Dissolved | |
Zitech Limited Director • Retired | 21 Mar 2002←13 Years→5 Oct 2015 | Dissolved | |
| Port Dredging Limited Director • Plant Hire Manager | 28 Feb 1992←23 Years→5 Oct 2015 | Active | |
| Port Dredging Limited Secretary • Unreported | 28 Feb 1992←23 Years→5 Oct 2015 | Active | |
