| Company | Timeline | Status | |
John Sargeant Consulting Limited Director • Company Director  | 20 May 2010←10 Years→13 Oct 2020  | Dissolved  | |
| Alexander Duckham & Co.,Limited Director • Lubricants Manager  | 1 Apr 2004←4 Years→30 Apr 2008  | Active  | |
| Alexander Duckham & Co.,Limited Director • Lubricants Manager  | 23 Mar 1998←6 Years→1 Apr 2004  | Active  | |
