| Company | Timeline | Status | |
| McDonnell Leisure (Holme) Limited Director • Managing Director | 29 Oct 2024←1 Year→Current | Active | |
| Meadows Caravan Park Limited(The) Director • Managing Director | 29 Oct 2024←1 Year→Current | Active | |
| M.T. McDonnell & Co. Limited Director • Managing Director | 29 Oct 2024←1 Year→Current | Active | |
| McDonnell Caravans Limited Director • Managing Director | 22 Oct 2024←1 Year→Current | Active | |
| Holkham Holiday Parks Limited Director • Estate Director | 1 Feb 2019←6 Years→Current | Active | |
