| Company | Timeline | Status | |
| Martin Aitken Associates Limited Director • Chartered Surveyor | 5 Nov 2004←21 Years→Current | Active | |
Tgap Construction Consultants Ltd Director • Quantity Surveyor | 18 Aug 2004←10 Years→22 Aug 2014 | Dissolved | |
The Gray Aitken Partnership Limited Secretary • Quantity Surveyor | 9 Apr 2003←1 Year 7 Months→30 Nov 2004 | Dissolved | |
The Gray Aitken Partnership Limited Director • Quantity Surveyor | 26 Jul 1999←5 Years→1 Dec 2004 | Dissolved | |
The Gray Aitken Partnership Limited Director • Quantity Surveyor | 1 Nov 1993←4 Years→25 Mar 1998 | Dissolved | |
