| Company | Timeline | Status | |
| Ma Agriculture Limited Director • Director | 1 Feb 2020←3 Years→31 Mar 2023 | Active | |
| Ma Exhibitions Limited Director • Director | 1 Feb 2017←6 Years→31 Mar 2023 | Active | |
| Mark Allen Holdings Limited Director • Managing Director | 1 Jan 2017←6 Years→31 Mar 2023 | Active | |
| The British Dental Industry Association Director • Company Director | 21 Jun 2012←10 Years→28 Sep 2022 | Active | |
| Riverdene House Residents Company Limited Director • Managing Director | 24 Jan 2003←8 Years→13 Jan 2012 | Active | |
| Ma Dentistry Media Limited Director • Director | 6 Mar 2002←23 Years→Current | Active | |
