| Company | Timeline | Status | |
Integrated Systems & Services Limited Director • Technical Director | 10 Feb 1994←7 Months→8 Sep 1994 | Dissolved | |
| Network Security International Limited Director • Electronic Engineer | 9 Jul 1991←34 Years→Current | Active | |
| Network Security International Limited Secretary • Unreported | 9 Jul 1991←34 Years→Current | Active | |
