| Company | Timeline | Status | |
| Enviro-Stack Limited Director • Company Director | 4 Mar 2009←16 Years→Current | Active | |
Safety Advisory Services Limited Director • Health And Safety Consultant | 31 Dec 1991←23 Years→14 Jul 2015 | Dissolved | |
| Enviro-Stack Limited Director • Consultant | 4 Nov 1991←13 Years→15 Jul 2005 | Active | |
