| Company | Timeline | Status | |
| Athelstan Associates Limited Director • Consultant Engineer | 9 Feb 2010←15 Years→Current | Active | |
| Embrake Management Limited Director • Engineer | 2 May 2005←20 Years→Current | Active | |
| Embrake Management Limited Secretary • Unreported | 27 Apr 1999←13 Years→16 Feb 2013 | Active | |
