| Company | Timeline | Status | |
| Johnston Campbell Holdings Limited Director • Director | 1 Dec 2010←13 Years→9 Feb 2024 | Active | |
| JCP Trust Limited Director • Investment Director | 24 Jun 2008←13 Years→20 Jul 2021 | Dissolved | |
| Johnston Campbell Limited Director • Investment Director | 1 Jan 2008←16 Years→9 Feb 2024 | Active | |
