| Company | Timeline | Status | |
| Field2plate Limited Director • Director | 12 Jan 2009←14 Years→1 Aug 2023 | Dissolved | |
| Building Simulation Limited Director • Engineer | 1 Jun 2005←20 Years→Current | Active | |
| Building Simulation Limited Secretary • Unreported | 25 Feb 2001←24 Years→Current | Active | |
