| Company | Timeline | Status | |
| Special Metric Materials Ltd Director • Director | 29 Sep 2021←4 Years→Current | Active | |
| Special Piping Materials (Holdings) Limited Director • Director | 20 Sep 2013←12 Years→Current | Active | |
| MLLB Investments Limited Director • Director | 17 Sep 2013←12 Years→Current | Active | |
| Special Piping Materials (Scotland) Limited Director • Managing Director | 25 Apr 2007←18 Years→Current | Active | |
