| Company | Timeline | Status | |
| M Hall Services Limited Director • Mechanical Engineer | 17 Nov 2010←14 Years→Current | Active | |
| M Hall Holdings Limited Director • Mechanical Engineer | 15 Nov 2010←14 Years→Current | Active | |
M. Hall Mechanical Services Limited Director • Mechanical Engineer | 8 Aug 2003←12 Years→2 Feb 2016 | Dissolved | |
