| Company | Timeline | Status | |
| Resource Futures Limited Director • Management Consultant | 30 Nov 2017←5 Years→11 Sep 2023 | Active | |
| Suez Communities Trust Limited Director • Waste Management | 1 Dec 2001←1 Year 11 Months→25 Nov 2003 | Dissolved | |
| Environmental Resources Management Limited Director • Chemist | 17 Jul 1992←9 Years→29 Nov 2001 | Active | |
Erm Overseas Limited Director • Consultant Chemist | 17 Jul 1991←2 Years 10 Months→8 Jun 1994 | Dissolved | |
