| Company | Timeline | Status | |
| Psion Digital Limited Director • Ceo | 29 Apr 2002←1 Year 1 Month→17 Jun 2003 | Dissolved | |
| Symbian Limited Director • Ceo Psion | 18 Apr 2002←1 Year 4 Months→19 Aug 2003 | Dissolved | |
| Psion Holdings Limited Director • Ceo | 26 Oct 2000←8 Years→31 Dec 2008 | Active | |
Psion Shared Services Ltd Director • Director Of Companies | 26 Sep 2000←2 Years 9 Months→23 Jun 2003 | Dissolved | |
