| Company | Timeline | Status | |
| Ulster Wildlife Trust Director • Chartered Surveyor | 7 Dec 2017←7 Years→Current | Active | |
| Ballylough Living History Limited Director • Estate Manager | 21 Jun 2016←9 Years→Current | Active | |
| Ballylough Living History Limited Director • Estate Manager | 21 Jun 2016←8 Years→14 Apr 2025 | Active | |
| BH Wind Farm Limited Director • Chartered Surveyor | 12 Sep 2014←11 Years→Current | Active | |
| Glenford Enterprises Limited Director • Chartered Surveyor | 30 Mar 2009←11 Years→31 Mar 2020 | Active | |
| Millreagh Environment Limited Director • Chartered Surveyor | 16 May 2006←15 Years→3 Feb 2022 | Active | |
| Millreagh Environment Limited Secretary • Unreported | 16 May 2006←15 Years→3 Feb 2022 | Active | |
| Blakiston Houston Estate Company Limited Director • Chartered Surveyor | 24 Jul 1989←36 Years→Current | Active | |
| Blakiston Houston Estate Company Limited Secretary • Unreported | 1 Feb 1979←46 Years→Current | Active | |
