| Company | Timeline | Status | |
Siu UK Limited Director • Catering | 28 Jul 2009←7 Years→11 Apr 2017 | Dissolved | |
| Siu And Tsang Company Limited Secretary • Restaurateur | 15 Apr 2003←22 Years→Current | Active | |
| Siu's Company Limited Director • Unreported | 15 Apr 2003←22 Years→Current | Active | |
| Siu And Tsang Company Limited Director • Unreported | 15 Apr 2003←22 Years→Current | Active | |
