| Company | Timeline | Status | |
| Emcor Group (UK) Limited Director • Executive | 23 Aug 1992←1 Year→26 Aug 1993 | Active | |
| Drake & Scull (Scotland) Limited Director • General Manager | 28 Jul 1989←6 Years→10 Jun 1996 | Active | |
| Emcor Group (UK) Limited Director • Unreported | 1 Jan 1970←23 Years→26 Aug 1993 | Active | |
