| Company | Timeline | Status | |
| Paul Jeffrey Associates Limited Director • Director | 15 Aug 2016←9 Years→Current | Active | |
| Ecorys Survey Ltd Director • Director | 18 Aug 2006←6 Years→30 Sep 2012 | Active | |
| Ecorys UK Limited Director • Consultant | 17 Jul 1995←17 Years→30 Sep 2012 | Active | |
