| Andrew David Johnston | Director | 1 Dec 2016 | 26 Apr 2019 | British | 56 years |
| Earl Sibley | Director | 3 Jan 2020 | 31 Dec 2024 | British | 53 years |
| Galliford Try Secretariat Services Limited | Corporate Secretary | 1 Dec 2016 | 3 Jan 2020 | United Kingdom | - |
| Ian Galloway | Director | 9 Jan 2019 | 31 Dec 2023 | British | 63 years |
| John Francis Schuttkacker | Director | 23 Jun 2015 | 1 Dec 2016 | British | 46 years |
| Justin Russell Dodge | Director | 23 Jun 2015 | 1 Dec 2016 | British | 46 years |
| Keith Bryan Carnegie | Director | 3 Jan 2020 | 31 Dec 2023 | British | 56 years |
| Marc Edward Thompson | Director | 15 Nov 2019 | 31 Dec 2023 | British | 41 years |
| Martin Trevor Digby Palmer | Secretary | 3 Jan 2020 | 25 Jun 2021 | - | - |
| Stephen Jonathan Lyons | Director | 1 Oct 2017 | 14 Dec 2018 | British | 58 years |
| Tony Lane | Director | 1 Dec 2016 | 1 Oct 2017 | British | 66 years |
