| Company | Timeline | Status | |
| Chiltern Open Air Museum Enterprises Limited Secretary • Banker | 14 Jan 2005←20 Years→Current | Active | |
| Chiltern Open-Air Museum Limited Secretary • Banker | 14 Jan 2005←20 Years→Current | Active | |
| Chiltern Open-Air Museum Limited Director • Retired | 12 Oct 2003←22 Years→Current | Active | |
