| Company | Timeline | Status | |
| The Sir Henry Royce Memorial Foundation Director • Consulting Engineer | 17 Jul 2009←6 Years→24 Nov 2015 | Active | |
| Sir Henry Royce Limited Director • Consulting Engineer | 17 Jul 2009←6 Years→24 Nov 2015 | Active | |
| Museum Of Power Director • Unreported | 24 Oct 2005←20 Years→Current | Active | |
| Pilgrims Baddow Limited Secretary • Consulting Engineer | 29 Sep 2003←22 Years→Current | Active | |
| Pilgrims Baddow Limited Director • Unreported | 29 Sep 2003←22 Years→Current | Active | |
The Science Engineering Technology Mathematics Network Director • Consulting Engineer | 1 Sep 2003←4 Months→22 Jan 2004 | Dissolved | |
