| Company | Timeline | Status | |
| Bourn Hall Clinic (Colchester) Limited Director • Director | 6 Nov 1998←5 Years→22 Mar 2004 | Dissolved | |
| Hunter Scientific Limited Director • Director | 22 Aug 1995←17 Years→20 Nov 2012 | Active | |
| Portman (Saffron Walden) Management Company Limited Director • International Sales Manager | 14 Apr 1993←28 Days→12 May 1993 | Active | |
| Portman (Saffron Walden) Management Company Limited Director • International Sales Manager | 14 Apr 1993←6 Years→28 Feb 2000 | Active | |
