| Company | Timeline | Status | |
| The Medieval Siege Society Limited Director • Project Manager | 27 Feb 2005←4 Years→28 Oct 2009 | Active | |
| The Medieval Siege Society Limited Secretary • Project Manager | 27 Feb 2005←4 Years→28 Oct 2009 | Active | |
| The Medieval Siege Society Limited Director • Manager | 29 Mar 2001←2 Years 10 Months→15 Feb 2004 | Active | |
