| Company | Timeline | Status | |
| Casica Limited Director • Building Design | 8 Jan 2018←6 Years→7 May 2024 | Dissolved | |
| Campbell Building Design Limited Director • Unreported | 3 Feb 2011←14 Years→Current | Active | |
| Campbell Building Design Limited Director • Building Design | 3 Feb 2011←4 Years→19 Nov 2015 | Active | |
