| Company | Timeline | Status | |
| A Williamson Haulage Holdings Limited Director • Company Director | 16 Dec 2024←12 Months→Current | Active | |
| C & V Carmichael Holdings Limited Director • Company Director | 16 Dec 2024←12 Months→Current | Active | |
| C. & V. Carmichael Limited Director • Company Director | 16 Dec 2024←12 Months→Current | Active | |
| A Williamson Haulage Limited Director • Director | 7 Dec 2007←18 Years→Current | Active | |
