| Company | Timeline | Status | |
| Clyde Castle Limited Director • Director | 22 Jul 2020←5 Years→Current | Active | |
| Castle Clyde Limited Director • Director | 22 Jul 2020←5 Years→Current | Active | |
| Clyde Cruise Ships Limited Director • Unreported | 22 Jul 2020←5 Years→Current | Active | |
| Clyde Innovation Limited Director • Engineer | 13 Dec 2012←12 Years→Current | Active | |
| Clydecom Limited Director • Engineer | 13 Dec 2012←12 Years→Current | Active | |
| Clydex Limited Director • Engineer | 13 Dec 2012←12 Years→Current | Active | |
| Clydeco Limited Director • Unreported | 9 Nov 2012←13 Years→Current | Active | |
| Clydco Limited Director • Unreported | 9 Nov 2012←13 Years→Current | Active | |
| RS Boost Limited Director • Director | 9 Nov 2009←16 Years→Current | Active | |
| Explosionproof Generators Limited Director • Consultant | 5 Jul 2002←23 Years→Current | Active | |
