| Company | Timeline | Status | |
| Peter Marsh & Sons,Limited Director • Production Director | 1 Dec 1995←13 Years→26 Mar 2009 | Active | |
| Excalibur PMP Limited Director • Production Director | 19 Dec 1991←17 Years→26 Mar 2009 | Active | |
| Excalibur PMP Limited Director • Unreported | 1 Jan 1970←39 Years→26 Mar 2009 | Active | |
