| Company | Timeline | Status | |
| Michael Day Aerial & Satellite Supplies Ltd Director • Company Director  | 13 Feb 2017←2 Years 9 Months→16 Nov 2019  | Active  | |
Robson Installations Ltd Director • Company Director  | 17 Jul 2013←2 Years 1 Month→18 Aug 2015  | Dissolved  | |
| R.T.A Systems Limited Director • None  | 9 Feb 2011←1 Year→11 Feb 2012  | Active  | |
Robson Aerial Services Limited Director • Aerial Engineer  | 28 May 2004←13 Years→24 Apr 2018  | Dissolved  | |
