| Company | Timeline | Status | |
| Imperium Stamps Limited Director • Unreported  | 23 Sep 2014←11 Years→Current  | Active  | |
Imperium Auctions LLP Designated LLP Member • Unreported  | 17 Dec 2012←3 Years→31 May 2016  | Dissolved  | |
| Andrew Vaughan Philatelics Limited Director • Unreported  | 10 Sep 1998←27 Years→Current  | Active  | |
| Andrew Vaughan Philatelics Limited Secretary • Unreported  | 10 Sep 1998←27 Years→Current  | Active  | |
| Carnbrea Properties Limited Secretary • Unreported  | 23 Jul 1996←29 Years→Current  | Active  | |
