| Company | Timeline | Status | |
| Xanta Limited Director • Engineer | 17 Dec 2007←4 Years→30 Jun 2012 | Active | |
| Lymberg Limited Director • Engineer | 20 Jun 2007←18 Years→Current | Active | |
Kier Parkman Metro Limited Director • Engineer | 20 Sep 2000←6 Years→25 May 2007 | Dissolved | |
