| Company | Timeline | Status | |
Txtez Limited Director • None | 4 Jan 2013←2 Years 3 Months→14 Apr 2015 | Dissolved | |
| Edsac Replica Project Director • Professor Of Computer Technolo | 26 Oct 2011←13 Years→12 Aug 2025 | Dissolved | |
| Cambridge Communication Systems Limited Director • Engineer | 22 Jul 2010←3 Months→3 Nov 2010 | Dissolved | |
| VNC Group Limited Director • Director | 20 Jul 2006←15 Years→15 Aug 2021 | Active | |
| VNC Limited Director • Director | 20 Jul 2006←15 Years→15 Aug 2021 | Dissolved | |
| Iqgeo Group Limited Director • Engineer | 10 Nov 2005←10 Years→31 Dec 2015 | Active | |
| Adventiq Limited Director • Engineer | 30 Sep 2005←4 Years→13 Oct 2009 | Active | |
| Ubisense Limited Director • Engineer | 5 Jun 2003←2 Years 10 Months→21 Apr 2006 | Active | |
| Realvnc Limited Director • Chairman | 16 Sep 2002←18 Years→15 Aug 2021 | Active | |
| Xilinx Technology Ltd Director • Engineer | 16 Sep 2002←4 Years→2 May 2007 | Active | |
