| Company | Timeline | Status | |
| Crossness Residents Association (UK) RTM Company Limited Director • Electronic Communications | 6 Aug 2009←11 Years→1 Jan 2021 | Active | |
| Multitone Communications Limited Director • Unreported | 20 Dec 1993←8 Months→8 Sep 1994 | Active | |
| Paging Systems Limited Director • Unreported | 8 Jun 1992←2 Years 3 Months→8 Sep 1994 | Active | |
| Multitone Communication Systems Limited Director • Export Director | 19 Sep 1991←8 Years→31 Mar 2000 | Active | |
| Multitone Electronics P L C Director • Company Director | 19 Sep 1991←4 Years→29 Mar 1996 | Active | |
| Multitone Communication Systems Limited Director • Unreported | 1 Jan 1970←30 Years→31 Mar 2000 | Active | |
