| Company | Timeline | Status | |
| Global Quantum Auxilium Ltd Director • Director | 7 Jun 2024←1 Year 6 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 | |
