| Company | Timeline | Status | |
| WM Hamilton & Sons Limited Director • Director | 2 Sep 2024←1 Year 3 Months→Current | Active | |
| William Hamilton & Sons (Contractors) Limited Director • Director | 2 Sep 2024←1 Year 3 Months→Current | Active | |
| Hillhouse Quarry Group Limited Director • Director | 12 Jan 2015←9 Years→13 Feb 2024 | Active | |
