| Company | Timeline | Status | |
| Legis Support Limited Director • Computer Systems Designer | 16 Jan 1993←24 Years→31 Dec 2017 | Active | |
| Legis Support Limited Secretary • Unreported | 16 Jan 1993←24 Years→19 Dec 2017 | Active | |
| Legis Systems Limited Secretary • Computer Systems Designer | 16 Jan 1992←25 Years→19 Dec 2017 | Dissolved | |
| Legis Systems Limited Director • Computer Systems Designer | 16 Jan 1992←25 Years→31 Dec 2017 | Dissolved | |
| Interface Logic Limited Secretary • Unreported | 31 Dec 1991←25 Years→19 Dec 2017 | Active | |
| Interface Logic Limited Director • Computer Systems Designer | 31 Dec 1991←26 Years→31 Dec 2017 | Active | |
