| Company | Timeline | Status | |
| Semestry Limited Director • Director | 12 Apr 2013←7 Years→27 Dec 2020 | Active | |
SB Systems Engineering Ltd Director • Director | 30 Jun 2010←6 Years→2 May 2017 | Dissolved | |
| Indigovision Group Limited Director • Chief Technical Officer | 1 Jan 2001←9 Years→14 May 2010 | Active | |
| Indigovision Limited Director • Chief Technical Officer | 1 Feb 2000←10 Years→14 May 2010 | Active | |
