| Company | Timeline | Status | |
| Oyster Quay Management Limited Director • Management Consultant | 10 Oct 2008←4 Years→12 Jun 2013 | Active | |
| Lower Road Chorleywood Management Limited Director • Consulting Engineer | 23 Feb 1997←20 Years→14 Aug 2017 | Active | |
Chorleywood Consulting Limited Director • Computer Consultant | 30 Jun 1992←5 Years→15 Dec 1997 | Dissolved | |
