| Company | Timeline | Status | |
| Intact Digital, Limited Director • Computer Scientist | 14 Jan 2016←9 Years→27 Jan 2025 | Active | |
| Raspberry Pi Ltd Director • Computer Scientist | 18 Dec 2012←8 Years→14 Oct 2021 | Active | |
| Raspberry Pi Foundation Director • Computer Scientist | 25 Nov 2008←8 Years→1 Nov 2017 | Active | |
| Cambridge Wireless Limited Director • Manager | 8 Jul 2008←6 Years→14 May 2015 | Active | |
| Moviestorm Limited Director • Director | 3 Nov 2005←5 Years→5 Oct 2011 | Active | |
Veebeam Limited Director • Director | 21 Feb 2003←1 Year 4 Months→15 Jul 2004 | Dissolved | |
| Ecoscentric Limited Director • Computer Scientist | 23 Apr 2002←22 Years→23 May 2024 | Active | |
Interactive Digital Television Limited Director • Company Director | 17 May 2001←17 Years→31 Jul 2018 | Dissolved | |
E* Trade UK (Holdings) Limited Director • Computer Scientist | 21 May 1998←1 Year 7 Months→18 Dec 1999 | Dissolved | |
Lmet Co.1 2012 Limited Director • Computer Scientist | 3 Oct 1994←11 Years→1 Dec 2005 | Dissolved | |
