| Company | Timeline | Status | |
| WCS Environmental Limited Director • Water Treatment Engineer | 24 Oct 2013←2 Years 5 Months→15 Apr 2016 | Active | |
| PDK Building Solutions Ltd Secretary • Unreported | 23 Dec 2000←3 Months→30 Mar 2001 | Active | |
| PDK Building Solutions Ltd Director • Engineer | 6 Mar 2000←25 Years→Current | Active | |
| Zephyr Water Treatment Services Limited Director • Engineer | 21 Jul 1991←9 Years→2 May 2001 | Active | |
