| Company | Timeline | Status | |
| Designed Materials Ltd Director • Professor | 30 Apr 2008←2 Years 9 Months→18 Feb 2011 | Dissolved | |
| Oxford Authentication Limited Director • Professor | 11 Mar 1997←13 Years→18 Feb 2011 | Active | |
| Iop Publishing Limited Director • University Professor | 21 Nov 1991←9 Years→30 Sep 2001 | Active | |
