| Company | Timeline | Status | |
| 46 St. Michael's Road (Bedford) Limited Director • Electric/avionic Design Engineer  | 31 Mar 1993←1 Year 3 Months→1 Jul 1994  | Active  | |
| 46 St. Michael's Road (Bedford) Limited Director • Electronic/avionic Design Engi  | 31 Mar 1992←5 Years→20 May 1997  | Active  | |
