| Company | Timeline | Status | |
| Cogges Heritage Trust Director • Heritage Consultant | 29 Mar 2010←11 Years→3 Feb 2022 | Active | |
| Experience Oxfordshire Charitable Trust Director • Consultant | 10 Dec 2008←2 Years 6 Months→29 Jun 2011 | Active | |
| Julia Holberry Associates Limited Director • Unreported | 25 Sep 2006←19 Years→Current | Active | |
| The Roald Dahl Museum And Story Centre Director • Museum Consultant | 5 Oct 2004←11 Years→1 Sep 2016 | Active | |
| Steam (Museum Of The Great Western Railway) Limited Director • Consultant | 20 Jul 1998←6 Years→28 Jun 2005 | Active | |
