| Company | Timeline | Status | |
| B&Esa Limited Director • Consultant | 2 Nov 2000←1 Year 1 Month→13 Dec 2001 | Active | |
| Piper Assessment Limited Director • Consultant | 15 Dec 1999←11 Years→15 Nov 2011 | Active | |
| Balfour Beatty Engineering Services (Hy) Limited Director • Engineer | 11 Oct 1992←10 Months→31 Aug 1993 | Active | |
