| Company | Timeline | Status | |
| Christ-Kennicott Water Technology Limited Secretary • Unreported | 25 May 2005←3 Years→24 Mar 2009 | Active | |
| OTV Birwelco Limited Secretary • Unreported | 1 Mar 1996←5 Years→13 Dec 2001 | Active | |
| Handeze (U.K.) Limited Secretary • Unreported | 21 Jan 1993←4 Years→4 Aug 1997 | Dissolved | |
