| Company | Timeline | Status | |
| Air Cycle Technology Limited Director • Company Director  | 24 Nov 2010←11 Years→11 Oct 2022  | Dissolved  | |
| WDL Ltd Director • Engineering Consultant  | 20 Jun 2000←25 Years→Current  | Active  | |
| WDL Ltd Secretary • Engineering Consultant  | 20 Jun 2000←25 Years→Current  | Active  | |
