| Company | Timeline | Status | |
| Iop Publishing Limited Director • Company Director | 22 Feb 2000←10 Years→11 May 2010 | Active | |
| Developland Limited Director • Director | 5 May 1998←3 Years→30 Sep 2001 | Active | |
| Haymarket Medical Publications Ltd Director • Company Director | 10 Oct 1991←6 Years→15 May 1998 | Active | |
