| Company | Timeline | Status | |
| Matco Engineering Limited Director • Director | 10 Dec 2007←17 Years→25 Jan 2025 | Active | |
| Grayson Heat Transfer Limited Director • Director | 31 Oct 1992←31 Years→17 Sep 2024 | Dissolved | |
| Grayson Automotive Services Limited Director • Director | 31 Oct 1992←32 Years→25 Jan 2025 | Active | |
