| Company | Timeline | Status | |
| Drum Buchanan Wharf 5 Limited Director • Director | 20 Sep 2018←6 Years→14 Feb 2025 | Active | |
| Drum Buchanan Wharf 4 Limited Director • Director | 11 Sep 2018←6 Years→14 Feb 2025 | Active | |
| Drum Buchanan Wharf 2 Limited Director • Chartered Surveyor | 14 Mar 2018←6 Years→14 Feb 2025 | Active | |
| Drum Buchanan Wharf 1 Limited Director • Chartered Surveyor | 14 Mar 2018←6 Years→14 Feb 2025 | Active | |
| Collab Construction Ltd Director • Chartered Surveyor | 14 Mar 2018←6 Years→14 Feb 2025 | Active | |
| Albyn School Limited Director • Chartered Surveyor | 27 Jan 2015←3 Years→12 Aug 2018 | Active | |
| Drum Kingswells 8 Limited Director • Chartered Surveyor | 1 Sep 2014←3 Years→29 Jun 2018 | Dissolved | |
| Drum Property Group Limited Director • Chartered Surveyor | 21 Oct 2013←11 Years→14 Feb 2025 | Active | |
| Aecom Professional Services LLP Non-designated LLP Member • Unreported | 1 Jul 2007←1 Year 6 Months→31 Dec 2008 | Active | |
Davis Langdon Mackenzie Limited Director • Chartered Surveyor | 1 Oct 2004←2 Years 9 Months→25 Jul 2007 | Dissolved | |
