| Company | Timeline | Status | |
| Stuart Aitken Surveying Services Ltd Director • Unreported | 9 Sep 2025←1 Month→Current | Active | |
| Global Quantum Ltd Director • Quantity Surveyor | 15 Aug 2014←7 Years→31 May 2022 | Active | |
| G.J. Reid Quantum Limited Director • Quantity Surveyor | 30 Apr 2005←17 Years→31 May 2022 | Active | |
Set Up Technologies Limited Director • Quantity Surveyor | 5 Mar 2001←1 Year 6 Months→30 Sep 2002 | Dissolved | |
