| Company | Timeline | Status | |
| Cambridge Sensors Ltd Director • Engineer | 22 Jan 1992←1 Year 3 Months→1 May 1993 | Active | |
| Cambridge Sensors Ltd Secretary • Engineer | 22 Jan 1992←1 Year→27 Jan 1993 | Active | |
| McCann Buckingham & Co. Limited Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
