| Company | Timeline | Status | |
| Louise Head Lewinton Limited Secretary • Unreported | 31 Dec 1991←9 Years→30 Nov 2001 | Active | |
| Tasis The American School In England Limited Secretary • Unreported | 16 Jun 1991←5 Years→31 Jul 1996 | Active | |
| Tasis UK Limited Secretary • Unreported | 16 May 1991←5 Years→31 Jul 1996 | Active | |
