| Company | Timeline | Status | |
| Donal Mason LLP Designated LLP Member • Unreported | 3 Apr 2025←6 Months→Current | Active | |
| Applebridge Family Limited Director • Director | 16 Jan 2025←9 Months→Current | Active | |
| Dhic Ltd Director • Director | 16 Jan 2025←9 Months→Current | Active | |
| Donal Mason Properties Limited Director • Director | 5 May 2022←3 Years→Current | Active | |
| Donal Mason Holdings Limited Director • Director | 4 May 2022←3 Years→Current | Active | |
| Applebridge Consulting LLP Non-designated LLP Member • Unreported | 31 Oct 2019←5 Years→Current | Active | |
| Donal Mason Plant Limited Director • Company Director | 24 Nov 2017←7 Years→Current | Active | |
