| Company | Timeline | Status | |
| Particle Solutions Ltd Director • Consultant | 28 Jan 2009←16 Years→Current | Active | |
Vic Hughes Associates Limited Director • Aviation Consultant | 18 Aug 2000←13 Years→25 Mar 2014 | Dissolved | |
| Filtration Society(The) Director • Scientist | 16 Sep 1999←1 Year→28 Sep 2000 | Dissolved | |
