| Company | Timeline | Status | |
| Non Intrusive Crossover System Limited Director • Engineer | 22 May 2012←2 Years 5 Months→28 Oct 2014 | Active | |
| Breval Environmental Limited Director • Engineer | 9 Jan 2002←4 Years→8 Jun 2006 | Active | |
| Breval Technical Services Limited Director • Engineer | 5 May 1989←17 Years→8 Jun 2006 | Active | |
