| Company | Timeline | Status | |
| Macvent SM Limited Director • Director | 31 Mar 2014←11 Years→Current | Active | |
| Mac-Ventilation LLP Designated LLP Member • Unreported | 17 Dec 2007←18 Years→Current | Active | |
Ventrac Sheet Metal Limited Director • Sales Director | 14 Jul 1989←28 Years→28 Sep 2017 | Dissolved | |
