| Company | Timeline | Status | |
| Multitone Communication Systems Limited Director • Company Director | 19 Sep 1991←2 Years 2 Months→6 Dec 1993 | Active | |
| Multitone Electronics P L C Director • Company Director | 19 Sep 1991←2 Years 3 Months→17 Dec 1993 | Active | |
| Multitone Communication Systems Limited Director • Unreported | 1 Jan 1970←23 Years→6 Dec 1993 | Active | |
