| Company | Timeline | Status | |
| Capital Testing Services Ltd Director • Materials Consultant  | 31 Mar 2013←12 Years→Current  | Active  | |
| Construction Materials Testing Ltd Director • General Manager  | 1 Sep 2004←21 Years→Current  | Active  | |
| Construction Materials Testing Ltd Secretary • General Manager  | 1 Sep 2004←21 Years→Current  | Active  | |
| Construction Materials Testing Ltd Secretary • General Manager  | 1 Sep 2004←19 Years→31 May 2024  | Active  | |
| Construction Materials Testing Ltd Director • General Manager  | 1 Sep 2004←19 Years→31 May 2024  | Active  | |
Coatbridge Laboratory Services Limited Director • Company Director  | 30 Jan 1998←1 Year→12 Feb 1999  | Dissolved  | |
