| Company | Timeline | Status | |
| Lock Plant Limited Secretary • Company Secretary  | 31 Jan 1996←7 Years→30 Sep 2003  | Dissolved  | |
| Lock Plant Limited Director • Office Manageress  | 14 Dec 1991←11 Months→19 Nov 1992  | Dissolved  | |
| Lock C.E. Limited Director • Company Director  | 26 Apr 1991←1 Year 6 Months→19 Nov 1992  | Liquidation  | |
