| Company | Timeline | Status | |
| West Herts Golf Club Limited Director • Retired | 1 Apr 1997←4 Years→1 Apr 2001 | Active | |
| Laing Engineering Limited Director • Civil Engineer | 31 May 1992←1 Year 10 Months→31 Mar 1994 | Active | |
| O.C. Summers Limited Director • Civil Engineer | 31 May 1992←1 Year 10 Months→31 Mar 1994 | Active | |
| Laing Engineering Limited Director • Unreported | 1 Jan 1970←24 Years→31 Mar 1994 | Active | |
| O.C. Summers Limited Director • Unreported | 1 Jan 1970←24 Years→31 Mar 1994 | Active | |
