| 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←17 Years→Current  | Active  | |
Ventrac Sheet Metal Limited Director • Sales Director  | 14 Jul 1989←28 Years→28 Sep 2017  | Dissolved  | |
