| DUNCOMBE, Fiona Margaret ACTIVE | Secretary | 15 Jun 2019 | | | | 80, Fenchurch Street, London, EC3M 4BY, United Kingdom |
| DENNETT, Paul ACTIVE | Director | 07 Jun 2024 | | United Kingdom | March 1971 | 80, Fenchurch Street, London, EC3M 4BY, United Kingdom |
| HOGG, Peter William ACTIVE | Director | 01 Feb 2026 | | United Kingdom | September 1969 | 80, Fenchurch Street, London, EC3M 4BY, United Kingdom |
| MANKU, Pritpal ACTIVE | Director | 29 Oct 2025 | | United Kingdom | August 1971 | 80, Fenchurch Street, London, EC3M 4BY, United Kingdom |
| DAY, Margot Annabel RESIGNED | Secretary | 12 Oct 2015 | 15 Jun 2019 | | | Arcadis House, 34 York Way, London, N1 9AB, England |
| LAWRENCE, Jillian Louise RESIGNED | Secretary | 01 Jan 2020 | 08 Apr 2022 | | | 80, Fenchurch Street, London, EC3M 4BY, United Kingdom |
| ALGHITA, Mahmoud Bakir Ahmad RESIGNED | Director | 18 Oct 2021 | 30 Jun 2024 | England | March 1963 | 80, Fenchurch Street, London, EC3M 4BY, United Kingdom |
| BELLEW, Nicholas James RESIGNED | Director | 12 Aug 2019 | 18 Oct 2021 | Wales | March 1979 | 80, Fenchurch Street, London, EC3M 4BY, United Kingdom |
| BIMPSON, Simon Timothy RESIGNED | Director | 18 Oct 2021 | 01 Dec 2022 | United Kingdom | September 1974 | 80, Fenchurch Street, London, EC3M 4BY, United Kingdom |
| BIMPSON, Simon Timothy RESIGNED | Director | 18 Oct 2021 | 01 Feb 2026 | United Kingdom | September 1974 | 80, Fenchurch Street, London, EC3M 4BY, United Kingdom |
| BROOKES, Alan Geoffrey RESIGNED | Director | 12 Oct 2015 | 21 Mar 2018 | England | November 1961 | Arcadis House, 34 York Way, London, N1 9AB, England |
| CASH, Stewart RESIGNED | Director | 07 Jun 2024 | 29 Oct 2025 | United Kingdom | January 1973 | 80, Fenchurch Street, London, EC3M 4BY, United Kingdom |
| CLARK, Anne Rosemary RESIGNED | Director | 12 Oct 2015 | 12 Aug 2019 | England | December 1964 | Arcadis House, 34 York Way, London, N1 9AB, England |
| COWLARD, Mark Allan RESIGNED | Director | 21 Mar 2018 | 18 Oct 2021 | England | June 1969 | 80, Fenchurch Street, London, EC3M 4BY, United Kingdom |
| MORGAN, Thomas Trevor RESIGNED | Director | 18 Oct 2021 | 30 Jun 2024 | United Kingdom | January 1975 | 80, Fenchurch Street, London, EC3M 4BY, United Kingdom |
| PLIMMER, Tracy Lee RESIGNED | Director | 09 Oct 2015 | 12 Oct 2015 | England | March 1976 | 11th Floor, Two, Snowhill, Birmingham, West Midlands, B4 6WR, United Kingdom |
| WHITTAKER, Sian RESIGNED | Director | 01 Dec 2022 | 06 Sep 2024 | United Kingdom | February 1981 | 80, Fenchurch Street, London, EC3M 4BY, United Kingdom |
| WILLIAMS, Jennifer Ann RESIGNED | Director | 06 Sep 2024 | 01 Oct 2026 | England | July 1969 | 80, Fenchurch Street, London, EC3M 4BY, United Kingdom |