| Company | Timeline | Status | |
| Sandwood Consultants Limited Director • Engineer | 1 Dec 2007←17 Years→Current | Active | |
| Energyline Limited Director • Engineer | 1 Dec 2007←14 Years→31 Mar 2022 | Active | |
Insolco (North) Limited Director • Structural/civil Engineering | 30 Sep 1999←8 Years→30 Nov 2007 | Dissolved | |
