| Company | Timeline | Status | |
| Practical Action Director • Accountant | 8 Dec 2006←8 Years→8 Oct 2015 | Active | |
| Practical Action Secretary • Accountant | 8 Dec 2006←1 Day→8 Dec 2006 | Active | |
| Base 51 Director • Accountant | 17 Mar 2004←4 Years→15 Dec 2008 | Active | |
Wheelbase Motor Project Director • Chartered Accountant | 18 Sep 1992←17 Years→22 Oct 2009 | Dissolved | |
| Quipus Works Limited Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
