| Company | Timeline | Status | |
| Rolls-Royce Submarines Limited Director • Director | 7 May 2014←9 Months→27 Feb 2015 | Active | |
| Chemring Countermeasures Limited Director • Professional Engineer | 15 Jun 2012←11 Months→31 May 2013 | Active | |
| Roke Manor Research Limited Director • Professional Engineer | 30 Sep 2010←1 Year 11 Months→14 Sep 2012 | Active | |
| Richmond Eei Limited Director • Professional Engineer | 3 Nov 2008←3 Years→14 Sep 2012 | Dissolved | |
| Richmond Electronics & Engineering Limited Director • Professional Engineer | 2 Nov 2007←4 Years→14 Sep 2012 | Dissolved | |
| Chemring Technology Solutions Limited Director • Professional Engineer | 2 Nov 2007←4 Years→14 Sep 2012 | Active | |
| Chemring Europe Limited Director • Professional Engineer | 10 May 2007←6 Years→31 May 2013 | Dissolved | |
| Greys Exports Limited Director • Professional Engineer | 30 Sep 2006←5 Years→14 Sep 2012 | Dissolved | |
| B.D.L. Systems Limited Director • Professional Engineer | 30 Sep 2006←5 Years→14 Sep 2012 | Dissolved | |
| Chemring Energetics Limited Director • Professional Engineer | 7 Apr 2006←7 Years→31 May 2013 | Dissolved | |
