| Company | Timeline | Status | |
| Tailored Maintenance & Home Improvements Limited Director • Director  | 12 Aug 2014←4 Years→28 Sep 2018  | Active  | |
| Mason Street Furniture Ltd Director • Director  | 14 Jul 2011←7 Years→5 Jun 2019  | Active  | |
| Clean Design And Build Ltd Director • Civil Engineer  | 9 Sep 2009←9 Years→31 Jul 2019  | Active  | |
| Gary Mason (Civil Engineering) Ltd Director • Civil Engineer  | 30 May 2002←23 Years→Current  | Liquidation  | |
