| Company | Timeline | Status | |
| 51/53 Ossington Street Freehold Limited Director • Author | 12 Nov 2002←23 Years→Current | Active | |
| 51/53 Ossington Street Freehold Limited Secretary • Author | 12 Nov 2002←12 Years→27 Jul 2015 | Active | |
| Stargate Capital Management Limited Director • Retired | 12 Aug 1999←4 Months→4 Jan 2000 | Dissolved | |
| The Newcomen Society For The Study Of The History Of Engineering And Technology Director • Museum Curator | 21 Nov 1991←1 Year 10 Months→13 Oct 1993 | Active | |
