| Company | Timeline | Status | |
| Isca Healthcare Research Limited Director • Doctor | 8 Nov 2013←12 Years→Current | Active | |
| Alesi Surgical Limited Director • Consultant - Clinical Physiologist | 1 Oct 2009←3 Years→8 Feb 2013 | Active | |
| Medical Device Innovations Limited Director • Technical Director | 15 Jun 2004←3 Years→31 May 2008 | Dissolved | |
| Medical Device Innovations Limited Secretary • Unreported | 24 Dec 2001←6 Years→31 May 2008 | Dissolved | |
