| Company | Timeline | Status | |
| Hargreaves Marine Limited Director • Director | 28 May 2011←3 Years→24 Dec 2014 | Dissolved | |
| V.C.I. Consultancy Limited Director • Technical Director | 1 Jun 2000←3 Years→17 Sep 2003 | Active | |
| V.C.I. Instrumentation Limited Director • Technical Director | 1 Jun 2000←3 Years→17 Sep 2003 | Dissolved | |
| Vibration Consultants & Instrumentation Limited Director • Technical Director | 1 Jun 2000←3 Years→11 Aug 2003 | Active | |
