| Company | Timeline | Status | |
| Carobbio Holdings Limited Director • Director | 20 Dec 2022←3 Years→Current | Active | |
| Safewater Ltd Director • Director | 12 Nov 2013←12 Years→Current | Active | |
| Volcanroc Services Limited Director • Director | 18 Jan 2013←13 Days→31 Jan 2013 | Active | |
| GQS Holdings Ltd Director • Director | 28 Oct 2005←20 Years→Current | Active | |
| Geoquip Water Solutions Limited Director • Director | 11 Jul 2002←23 Years→Current | Active | |
| Hydrodif Products Limited Director • Director | 27 Oct 1999←26 Years→Current | Active | |
Sovereign Pumps International Limited Director • Director | 20 Jan 1997←20 Years→23 May 2017 | Dissolved | |
WJ Associates Limited Secretary • Unreported | 1 Sep 1992←2 Years 6 Months→28 Mar 1995 | Dissolved | |
| WJ Groundwater Limited Secretary • Unreported | 13 Mar 1992←3 Years→28 Mar 1995 | Active | |
