| Company | Timeline | Status | |
| The Museum Prize Director • Director | 24 Jul 2019←4 Years→29 Aug 2023 | Dissolved | |
| Household Cavalry Museum Enterprises Limited Director • Self Employed | 2 Oct 2018←1 Month→29 Nov 2018 | Active | |
| The Emery Walker Trust Director • Writer And Researcher | 12 Feb 2016←7 Years→26 Jan 2024 | Active | |
| The Household Cavalry Museum Trust Limited Director • Writer/researcher | 22 Apr 2015←3 Years→29 Nov 2018 | Active | |
| 2-4 Cranley Place MC Limited Director • Researcher | 13 Aug 2004←5 Years→30 Jul 2010 | Active | |
