| Company | Timeline | Status | |
| The Quadrangle Property Management Limited Director • Company Director | 12 Jun 2015←10 Years→Current | Active | |
| Kinnaird Holdings Limited Director • Chartered Engineer | 25 Sep 1991←26 Years→30 Apr 2018 | Active | |
| Barrs Court Engineering Limited Director • Chartered Engineer | 25 Sep 1991←26 Years→30 Apr 2018 | Active | |
