| Company | Timeline | Status | |
| Pittre Developments Limited Director • Retired | 27 May 2015←9 Months→19 Mar 2016 | Dissolved | |
| Pittre Management Limited Director • Retired | 16 Jun 2011←14 Years→Current | Active | |
| Distributed Micro Technology Limited Director • Micro Consultant | 5 Jun 1992←7 Years→30 Mar 2000 | Active | |
