| Company | Timeline | Status | |
| Paging Systems Limited Director • Unreported | 8 Sep 1994←23 Years→28 Dec 2017 | Active | |
| Multitone Electronics P L C Director • Chief Executive Officer | 20 Dec 1993←24 Years→28 Dec 2017 | Active | |
| Multitone (UK) Ltd Director • Chief Executive Officer | 24 Nov 1993←24 Years→29 Dec 2017 | Active | |
