| Company | Timeline | Status | |
| The Future Vehicles Company Limited Director • Unreported | 1 Feb 2024←1 Year 9 Months→Current | Active | |
Systemwire Limited Director • University Lecturer | 18 Nov 2002←2 Years 5 Months→27 Apr 2005 | Dissolved | |
| Zuhlke Engineering Ltd Director • Unreported | 9 Nov 2000←25 Years→Current | Active | |
