| Company | Timeline | Status | |
| Mark Roberts Motion Control Limited Secretary • Unreported | 15 Apr 1998←1 Year 5 Months→30 Sep 1999 | Active | |
| Timechain Limited Secretary • Unreported | 1 Jun 1997←2 Years 4 Months→30 Sep 1999 | Dissolved | |
| (B.E.S.T.) Basic Education & Supplementary Teaching Association Secretary • Unreported | 7 Dec 1992←30 Years→1 May 2023 | Active | |
