| Company | Timeline | Status | |
| Multitone Electronics P L C Director • Managing Director-uk Sales | 4 May 1993←4 Years→15 Sep 1997 | Active | |
| Infopage Limited Director • Unreported | 3 Feb 1992←2 Years 7 Months→8 Sep 1994 | Active | |
| Multitone Communication Systems Limited Director • Company Director | 9 Oct 1991←5 Years→15 Sep 1997 | Active | |
| Multitone Rentals Limited Director • Unreported | 1 Oct 1991←5 Years→15 Sep 1997 | Active | |
| Multitone Communication Systems Limited Director • Unreported | 1 Jan 1970←27 Years→15 Sep 1997 | Active | |
