| Company | Timeline | Status | |
| Terra-Firma Environmental Limited Director • Environmental Consultant | 6 Dec 2002←22 Years→Current | Active | |
| Terra-Firma Environmental Limited Secretary • Enviromental Consultant | 6 Dec 2002←22 Years→Current | Active | |
| Terra-Firma Environmental Limited Director • Environmental Consultant | 6 Dec 2002←21 Years→20 Sep 2024 | Active | |
| Terra-Firma Environmental Limited Secretary • Enviromental Consultant | 6 Dec 2002←21 Years→20 Sep 2024 | Active | |
