| Company | Timeline | Status | |
| Scripture Union Scotland Director • Retired | 16 Jun 2005←8 Years→24 Aug 2013 | Active | |
| Scottish Council Of Independent Schools Director • Head Master | 13 Mar 1996←8 Years→16 Mar 2004 | Active | |
| HMC - The Heads' Conference Director • Headmaster | 1 Jan 1994←12 Months→31 Dec 1994 | Active | |
| The Glasgow High School Club Ltd Director • Unreported | 1 Jan 1970←34 Years→1 Aug 2004 | Active | |
