| Company | Timeline | Status | |
| FSBP Limited Secretary • Unreported | 22 Mar 2008←17 Years→Current | Active | |
| Oakapple Flat Management Limited Secretary • Unreported | 6 Mar 2007←18 Years→Current | Active | |
| Linecheck Limited Secretary • Unreported | 20 Jul 2006←19 Years→Current | Active | |
| Alexander Steinbeck (PR) Limited Secretary • Unreported | 31 Oct 2004←21 Years→Current | Active | |
| Alexander Steinbeck Limited Secretary • Unreported | 31 Oct 2004←17 Years→15 Jun 2022 | Active | |
| Linecheck Limited Director • Teacher | 1 Jan 2004←2 Years 6 Months→20 Jul 2006 | Active | |
