| Company | Timeline | Status | |
| Granitmix Limited Director • Director | 28 Feb 2025←9 Months→Current | Active | |
| WM Hamilton Group Ltd Director • Director | 10 Jan 2025←11 Months→Current | Active | |
| William Hamilton & Sons (Contractors) Limited Director • Director | 14 Mar 2006←19 Years→Current | Active | |
| WM Hamilton & Sons Limited Director • Haulage Contractor | 24 Jan 2006←19 Years→Current | Active | |
