| Company | Timeline | Status | |
| Twickenham Scientific Instruments Limited Secretary • Engineer | 11 Nov 1996←28 Years→Current | Active | |
| Twickenham Scientific Instruments Limited Director • Engineer | 17 Nov 1994←30 Years→Current | Active | |
| 61 St. Margarets Road (Management) Limited Director • Engineer | 2 Dec 1991←33 Years→Current | Active | |
