| Company | Timeline | Status | |
| European Pre-Hospital Trauma Care Limited Director • Unreported | 18 Mar 2019←6 Years→Current | Active | |
| North West Offshore Survival And Maritime Centre Ltd Director • Unreported | 19 Dec 2018←6 Years→Current | Active | |
| North West Hyperbaric Centre Ltd Director • Unreported | 14 Dec 2018←6 Years→Current | Active | |
| Offshore Survival Centre Limited Director • Unreported | 1 Nov 2018←7 Years→Current | Active | |
| Hyox Systems Limited Director • Company Director | 15 Aug 2018←7 Years→Current | Active | |
| Emergency Services Training Centre Ltd Director • Unreported | 2 May 2012←13 Years→Current | Active | |
Dorothea Diving Limited Director • Operational Manager | 10 Nov 1998←8 Years→1 Aug 2007 | Dissolved | |
| Hyperbaric Treatment & Training Services Limited Director • Unreported | 22 Jan 1996←29 Years→Current | Active | |
| Hyperbaric Treatment & Training Services Limited Secretary • Unreported | 22 Jan 1996←29 Years→Current | Active | |
