| Company | Timeline | Status | |
| Rantech Limited Director • Consultant Process Engineer | 3 Nov 1999←26 Years→Current | Active | |
| Rantech Limited Secretary • Consultant Process Engineer | 3 Nov 1999←26 Years→Current | Active | |
| 10 Madeley Road Residents Company Limited Secretary • Process Engineer | 24 Nov 1997←1 Year 9 Months→17 Sep 1999 | Active | |
| 10 Madeley Road Residents Company Limited Director • Process Engineer | 24 Nov 1997←1 Year 9 Months→17 Sep 1999 | Active | |
