| Company | Timeline | Status | |
| Global Quantum Auxilium Ltd Director • Unreported  | 7 Jun 2024←1 Year 5 Months→Current  | Active  | |
| Global Quantum Europe Ltd Director • Quantity Surveyor  | 4 Sep 2017←8 Years→Current  | Active  | |
| Global Quantum Ltd Director • Director  | 2 Jul 2013←12 Years→Current  | Active  | |
Reid Quantum (Ni) Ltd Secretary • Unreported  | 6 Feb 2008←6 Years→3 Oct 2014  | Dissolved  | |
Reid Quantum (Ni) Ltd Director • Quantity Surveyor  | 5 Feb 2008←6 Years→3 Oct 2014  | Dissolved  | |
| G.J. Reid Quantum Limited Director • Quantity Surveyor  | 18 Mar 2002←23 Years→Current  | Active  | |
