| Company | Timeline | Status | |
| Water Management Society Limited Director • Director | 7 Jun 1991←18 Years→2 Oct 2009 | Active | |
| Central Chemical Services Limited Director • Sales Director | 30 Apr 1991←23 Years→1 Jan 2015 | Active | |
| Central Chemical Services Limited Secretary • Unreported | 30 Apr 1991←19 Years→1 Sep 2010 | Active | |
