| Company | Timeline | Status | |
| Castlereagh Investments Limited Director • Director | 15 Nov 2005←19 Years→Current | Active | |
Ardgowan Investments Limited Director • Director | 7 Jan 1981←39 Years→22 Sep 2020 | Dissolved | |
| Dunville & Co. Limited Director • Director | 8 Aug 1975←38 Years→17 Dec 2013 | Active | |
| Philip Russell Limited Director • Director | 11 Jul 1968←37 Years→30 Sep 2005 | Active | |
