| Company | Timeline | Status | |
| Harry Mason Bakery Products Limited Director • Director | 2 Nov 2001←19 Years→1 Dec 2020 | Active | |
Harry Mason Finger Foods Limited Director • Businessman | 3 May 2001←12 Years→8 Apr 2014 | Dissolved | |
| Harry Mason (Properties) Limited Director • Director | 8 Apr 1999←21 Years→1 Dec 2020 | Active | |
| Lords (Haymarket) Limited Director • Director | 15 Mar 1999←5 Years→7 Oct 2004 | Active | |
