| Company | Timeline | Status | |
| Adept Communications Systems Ltd Director • Engineer | 31 Aug 2012←13 Years→Current | Active | |
Pinpoint Satellite Navigation Limited Director • Engineer | 24 Aug 2009←3 Years→8 Oct 2012 | Dissolved | |
| HLXC Realisations Limited Director • Director | 8 May 2008←3 Years→1 Sep 2011 | Liquidation | |
| Position Systems Limited Director • Engineer | 24 Apr 2008←10 Years→21 Jan 2019 | Active | |
| Cambertronics Limited Director • Company Director | 10 Apr 1991←7 Years→29 Mar 1999 | Active | |
