| Company | Timeline | Status | |
| Landolt And Brown Limited Director • Unreported | 12 Dec 2005←19 Years→Current | Active | |
| Landolt And Brown Limited Secretary • Architect | 12 Dec 2005←19 Years→Current | Active | |
| JMP Studio Limited Director • Director | 1 Feb 2000←5 Years→23 Jun 2005 | Dissolved | |
| John McAslan & Partners Limited Director • Director | 1 Feb 2000←5 Years→23 Jun 2005 | Active | |
| Troughton McAslan Limited Director • Director | 1 Feb 2000←5 Years→23 Jun 2005 | Dissolved | |
