| Company | Timeline | Status | |
| Dullatur Investments Ltd Director • Consultant Engineer  | 15 Sep 2016←8 Years→10 Dec 2024  | Dissolved  | |
| Maxum Investments Limited Secretary • Unreported  | 1 Jan 2007←18 Years→Current  | Active  | |
| Maxum Investments Limited Director • Project Manager  | 11 Jun 2001←24 Years→Current  | Active  | |
A C S (Scotland) Ltd Director • Engineer  | 1 Jun 1995←23 Years→15 Jan 2019  | Dissolved  | |
