| Company | Timeline | Status | |
| Tasis Properties Limited Secretary • Unreported | 26 Oct 1998←7 Years→7 Nov 2005 | Active | |
| Tasis England Limited Secretary • Unreported | 26 Oct 1998←11 Years→16 Nov 2009 | Active | |
| Tasis The American School In England Limited Secretary • Unreported | 1 Aug 1996←9 Years→7 Nov 2005 | Active | |
| Tasis UK Limited Secretary • Unreported | 1 Aug 1996←9 Years→7 Nov 2005 | Active | |
