| Company | Timeline | Status | |
Kirby Associates Limited Director • Consultant | 5 Mar 2002←16 Years→12 Jun 2018 | Dissolved | |
| S W I G Director • Water Industry Consultant | 9 Sep 1999←7 Years→27 Sep 2006 | Active | |
| Cambridge Sensors Ltd Director • Project Manager | 19 Oct 1998←2 Years 9 Months→10 Aug 2001 | Active | |
