| Company | Timeline | Status | |
| Sutcliffe Speakman Limited Director • Engineer | 16 Sep 2002←11 Months→18 Aug 2003 | Active | |
| Sutcliffe Speakman Carbons Limited Director • Company Director | 7 Oct 1998←4 Years→18 Aug 2003 | Active | |
| Banner Chemicals Limited Director • Unreported | 18 Dec 1992←3 Years→3 Jan 1996 | Active | |
| Sutcliffe Croftshaw Limited Director • Engineer | 29 Aug 1991←11 Years→18 Aug 2003 | Active | |
