| Company | Timeline | Status | |
| The Boat Race Company Limited Director • Consultant Physician | 8 Oct 1998←6 Months→21 Apr 1999 | Active | |
| Cambridge Sport Lakes Trust Director • Unreported | 31 Aug 1994←2 Years 1 Month→25 Oct 1996 | Active | |
| The Hawks' Company Limited Director • Physician | 2 Feb 1993←22 Years→22 Dec 2015 | Active | |
Active Chemical Products Limited Director • Physician | 12 Mar 1992←1 Year 12 Months→11 Mar 1994 | Dissolved | |
| Evencity Limited Director • Physician | 31 Dec 1990←25 Years→27 Apr 2016 | Active | |
| The Hawks' Company Limited Director • Unreported | 1 Jan 1970←46 Years→22 Dec 2015 | Active | |
