| Company | Timeline | Status | |
| Dabs Developments Limited Director • Scientist | 7 Jan 2015←10 Years→Current | Active | |
Oeh Limited Director • Environmental Scientist | 14 Oct 2005←9 Years→7 Jul 2015 | Dissolved | |
| Delph Property Management Limited Director • Environmental Scientist | 11 Jul 2000←25 Years→Current | Active | |
Environmental Remediation Limited Director • Enviromental Consultant | 11 Oct 1996←18 Years→7 Jul 2015 | Dissolved | |
| Environmental Evaluation Limited Director • Environmental Scientist | 2 Dec 1994←20 Years→6 Feb 2015 | Active | |
| Environmental Evaluation Limited Director • Environmental Scientist | 4 Oct 1991←12 Months→30 Sep 1992 | Active | |
