| Company | Timeline | Status | |
| Shiplake Court Limited Director • Headmaster | 17 Nov 1995←4 Years→10 Dec 1999 | Active | |
| Queenswood School Limited Director • Headmaster | 1 Dec 1991←9 Years→17 Nov 2001 | Active | |
| HMC - The Heads' Conference Director • Headmaster | 20 Sep 1991←4 Years→31 Dec 1995 | Active | |
| Haberdashers' Aske's School Shop Limited(The) Director • Headmaster | 26 Jun 1991←5 Years→5 Nov 1996 | Dissolved | |
