| Company | Timeline | Status | |
| Duvas Technologies Limited Director • Company Director | 9 Apr 2008←4 Years→10 Oct 2012 | Active | |
| Hydroventuri Limited Director • Physicist | 17 Dec 2000←6 Years→8 May 2007 | Active | |
| Deltadot Limited Director • Physicist | 13 Mar 2000←25 Years→Current | Active | |
| Montessori St Nicholas Ltd Director • Physicist | 11 Dec 1996←1 Year 3 Months→2 Apr 1998 | Active | |
