| Company | Timeline | Status | |
| Biwater Investments Limited Director • Engineer | 6 Oct 2009←1 Year 1 Month→29 Nov 2010 | Dissolved | |
| Byproduct Recovery Limited Director • Director | 24 May 2007←3 Years→23 Dec 2010 | Active | |
| British Water Director • Company Director | 11 May 2006←6 Years→23 Nov 2012 | Active | |
Stantec Treatment Holding Limited Director • Director | 2 Mar 2006←4 Years→23 Dec 2010 | Dissolved | |
| MWH Farrer Limited Director • Director | 2 Mar 2006←4 Years→23 Dec 2010 | Active | |
| Biwater International Limited Director • Engineer | 10 Jun 2005←1 Year 9 Months→21 Mar 2007 | Liquidation | |
| Biwater Overseas Limited Director • Engineer | 8 Mar 2004←6 Years→29 Nov 2010 | Active | |
| Biwater Holdings Limited Director • Main Board Director | 1 Feb 1997←13 Years→14 Dec 2010 | Liquidation | |
| Biwater International Limited Director • Director | 13 Mar 1996←1 Year 3 Months→1 Jul 1997 | Liquidation | |
| Ames Crosta Limited Director • Company Director | 31 Dec 1994←15 Years→29 Nov 2010 | Dissolved | |
