| Company | Timeline | Status | |
| Techair Limited Secretary • Unreported | 16 Jan 2001←4 Years→1 Feb 2005 | Active | |
| Planned Environmental Services Ltd Secretary • Unreported | 1 Jul 1994←10 Months→10 May 1995 | Active | |
| Specialist Environmental Services Limited Secretary • Office Manager | 30 Apr 1993←2 Years→10 May 1995 | Active | |
