| Company | Timeline | Status | |
| Iop Enterprises Limited Director • Retired Schoolmaster | 7 Apr 1998←1 Year 5 Months→30 Sep 1999 | Active | |
| Malvernian Society Limited Director • Retired Schoolmaster | 25 Apr 1992←16 Years→4 Jul 2008 | Active | |
| CTC Kingshurst Academy Director • Physicist | 8 Feb 1992←2 Years 6 Months→31 Aug 1994 | Dissolved | |
| Iop Publishing Limited Director • Retired Schoolmaster | 21 Nov 1991←7 Years→21 Sep 1999 | Active | |
