| Company | Timeline | Status | |
| Ironspray Limited Director • Secretary | 31 Dec 1991←1 Year 10 Months→27 Oct 1993 | Active | |
| Electrospark Limited Director • Secretary | 31 Dec 1991←→31 Dec 1985 | Active | |
| Ironspray Limited Director • Unreported | 1 Jan 1970←23 Years→27 Oct 1993 | Active | |
| Electrospark Limited Director • Unreported | 1 Jan 1970←16 Years→31 Dec 1985 | Active | |
