| Company | Timeline | Status | |
| Gathurst Golf Club Limited Director • Retired | 14 Dec 2023←1 Year 11 Months→Current | Active | |
| Gathurst Golf Club Limited Director • Retired | 14 Dec 2023←12 Months→12 Dec 2024 | Active | |
John O'Callaghan Associates Limited Director • None | 18 Jan 2010←9 Years→30 Apr 2019 | Dissolved | |
