| Company | Timeline | Status | |
| Maps Technology Limited Director • Director | 8 Jan 2007←7 Months→20 Aug 2007 | Active | |
| Esr Technology Limited Director • Managing Director | 7 Oct 2005←1 Year 10 Months→20 Aug 2007 | Active | |
| Risksol Consulting Ltd Director • Engineering Manager | 30 Sep 2004←1 Year→7 Oct 2005 | Active | |
