| Company | Timeline | Status | |
| Correx Limited Director • Company Director | 26 Jan 2023←2 Years 9 Months→Current | Active | |
| Institute Of Corrosion Director • Director | 19 Nov 2020←4 Years→Current | Active | |
| Executive Property Management Limited Director • Engineer | 9 Jul 2002←23 Years→Current | Active | |
| Highland Service Group Limited Director • Engineer | 30 May 2001←24 Years→Current | Active | |
| Highland Estates And Leisure Limited Director • Engineer | 3 Jan 2001←24 Years→Current | Active | |
| Caledonian Treepac Limited Director • Engineer | 26 Jan 2000←25 Years→Current | Active | |
| Corrosion Associates Limited Director • Engineer | 22 Nov 1999←25 Years→Current | Active | |
