| PUGSLEY, Simon Anthony Follett ACTIVE | Secretary | 01 Apr 2025 | | | | Company Secretary, Affinity Water Limited, The Hub, Tamblin Way, Hatfield, Hertfordshire, AL10 9EZ, United Kingdom |
| GARTH, Mark William ACTIVE | Director | 15 Jun 2026 | | United Kingdom | October 1978 | The Hub, Tamblin Way, Hatfield, Hertfordshire, AL10 9EZ |
| OSBORNE, Michael Peter Francis ACTIVE | Director | 01 Apr 2022 | | United Kingdom | October 1980 | The Hub, Tamblin Way, Hatfield, AL10 9EZ, United Kingdom |
| SCHWENGBER, Sebastian ACTIVE | Director | 16 Sep 2026 | | United Kingdom | July 1979 | C/O Allianz Global Investors, 199 Bishopsgate, London, EC2M 3TY, United Kingdom |
| STEPHENS, Adam Peter ACTIVE | Director | 01 Jan 2025 | | United Kingdom | April 1983 | The Hub, Tamblin Way, Hatfield, Hertfordshire, AL10 9EZ, United Kingdom |
| WADDINGTON, Adam George ACTIVE | Director | 12 May 2023 | | United Kingdom | December 1974 | The Hub, Tamblin Way, Hatfield, Hertfordshire, AL10 9EZ, United Kingdom |
| CALDWELL, Colin RESIGNED | Secretary | 07 Nov 2019 | 08 Apr 2020 | | | The Hub, Tamblin Way, Hatfield, Hertfordshire, AL10 9EZ |
| KAUSHAL, Sunita RESIGNED | Secretary | 09 Apr 2020 | 03 Apr 2023 | | | The Hub, Tamblin Way, Hatfield, Hertfordshire, AL10 9EZ |
| MAKONI, Patrick RESIGNED | Secretary | 03 Apr 2023 | 31 Mar 2025 | | | The Hub, Tamblin Way, Hatfield, AL10 9EZ, United Kingdom |
| MONOD, Timothy John William RESIGNED | Secretary | 01 Jun 2007 | 06 Nov 2019 | | | The Hub, Tamblin Way, Hatfield, Hertfordshire, AL10 9EZ |
| TAYLOR, Keith William RESIGNED | Secretary | 27 May 2004 | 31 May 2007 | | | 127 Broadwood Avenue, Ruislip, Middlesex, HA4 7XU |
| ALEXANDER, David William RESIGNED | Director | 27 May 2004 | 17 Mar 2005 | | September 1946 | 20 Endeavour Way, Hythe Marina Village, Hythe, Hampshire, SO45 6DX |
| BATES, Duncan John Lucas RESIGNED | Director | 30 May 2012 | 31 Jul 2017 | England | August 1958 | The Hub, Tamblin Way, Hatfield, Hertfordshire, AL10 9EZ, United Kingdom |
| BIENFAIT, Richard Antoine RESIGNED | Director | 27 May 2004 | 31 Dec 2014 | United Kingdom | September 1967 | The Hub, Tamblin Way, Hatfield, Hertfordshire, AL10 9EZ, United Kingdom |
| BOTIJA, Antonio RESIGNED | Director | 23 Jan 2014 | 25 Jul 2014 | England | October 1976 | Governor's House, Laurence Pountney Hill, London, EC4R 0HH, England |
| BRADBURY, Kenton Edward RESIGNED | Director | 20 Sep 2012 | 31 Mar 2015 | England | January 1970 | The Hub, Tamblin Way, Hatfield, Hertfordshire, AL10 9EZ, United Kingdom |
| BRET, Olivier Marie RESIGNED | Director | 31 Dec 2013 | 25 Jul 2014 | England | September 1962 | 210, Pentonville Road, London, N1 9JY, England |
| BRET, Olivier Marie RESIGNED | Director | 25 Jan 2012 | 27 Jun 2012 | England | September 1962 | The Hub, Tamblin Way, Hatfield, Hertfordshire, AL10 9EZ, United Kingdom |
| COCKS, Simon RESIGNED | Director | 01 Jul 2015 | 01 May 2018 | United Kingdom | November 1965 | The Hub, Tamblin Way, Hatfield, Hertfordshire, AL10 9EZ |
| COX, Andrew RESIGNED | Director | 15 Nov 2023 | 10 Jun 2024 | United Kingdom | April 1967 | The Hub, Tamblin Way, Hatfield, Hertfordshire, AL10 9EZ |
| CRAIG, Gareth Irons RESIGNED | Director | 19 May 2017 | 25 Jul 2018 | England | August 1957 | The Hub, Tamblin Way, Hatfield, Hertfordshire, AL10 9EZ |
| DARBY, Peter William RESIGNED | Director | 17 Mar 2005 | 31 May 2007 | | May 1949 | Red Hay Coolinge Lane, Folkestone, Kent, CT20 3QU |
| DARDI, Marissa Ann RESIGNED | Director | 15 Feb 2023 | 12 May 2023 | United Kingdom | December 1980 | The Hub, Tamblin Way, Hatfield, AL10 9EZ, United Kingdom |
| DELLACHA, Maria Georgina RESIGNED | Director | 25 Jul 2014 | 30 Jul 2015 | England | January 1975 | Governor’S House, Laurence Pountney Hill, London, EC4R 0HH, Great Britain |
| DENCH, Andrew James RESIGNED | Director | 20 Sep 2012 | 31 Dec 2013 | England | August 1969 | The Hub, Tamblin Way, Hatfield, Hertfordshire, AL10 9EZ, United Kingdom |
| DEVOS, Frederic RESIGNED | Director | 31 Mar 2010 | 25 Jan 2012 | United Kingdom | January 1964 | The Hub, Tamblin Way, Hatfield, Hertfordshire, AL10 9EZ, United Kingdom |
| DONZELLI, Alberto Angelo RESIGNED | Director | 20 Sep 2012 | 19 May 2017 | United Kingdom | May 1975 | 20, Bank Street, London, E14 4AD, United Kingdom |
| HASLETT, James Keith RESIGNED | Director | 03 Jan 2023 | 31 Mar 2026 | United Kingdom | May 1979 | The Hub, Tamblin Way, Hatfield, Hertfordshire, AL10 9EZ, United Kingdom |
| HEWITT, David Clayton RESIGNED | Director | 27 May 2004 | 30 Jun 2006 | England | May 1948 | 1 The Chase, Farnborough, Hampshire, GU14 8BY |
| KORPANCOVA, Jaroslava RESIGNED | Director | 19 May 2017 | 01 Jul 2021 | United Kingdom | August 1974 | The Hub, Tamblin Way, Hatfield, Hertfordshire, AL10 9EZ |
| KORPANEC, Jaroslava RESIGNED | Director | 04 Jan 2022 | 01 Aug 2022 | United Kingdom | August 1974 | The Hub, Tamblin Way, Hatfield, Hertfordshire, AL10 9EZ |
| LEDGER, Stuart Neil RESIGNED | Director | 01 Nov 2017 | 16 Dec 2022 | England | January 1976 | The Hub, Tamblin Way, Hatfield, Hertfordshire, AL10 9EZ |
| LIEF, Mathieu Olivier Louis RESIGNED | Director | 15 Jan 2013 | 22 Apr 2013 | England | November 1975 | Governors House, Laurence Pountney Hill, London, EC4R 0HH, England |
| NELSON, Stephen Keith James RESIGNED | Director | 31 Mar 2015 | 19 May 2017 | United Kingdom | January 1963 | Governor's House, Laurence Pountney Hill, London, EC4R 0HH, England |
| PATERSON, Nigel John RESIGNED | Director | 25 Jul 2014 | 19 May 2017 | England | October 1957 | 8th Floor, 210, Pentonville Road, London, N1 9JY, England |
| ROPER, Anthony Charles RESIGNED | Director | 25 Jul 2018 | 31 Mar 2022 | United Kingdom | December 1960 | The Hub, Tamblin Way, Hatfield, Hertfordshire, AL10 9EZ |
| ROSHIER, Angela Louise RESIGNED | Director | 19 May 2017 | 15 Feb 2023 | United Kingdom | January 1975 | The Hub, Tamblin Way, Hatfield, Hertfordshire, AL10 9EZ |
| ROUGHEAD, Martin RESIGNED | Director | 17 Apr 2023 | 04 Oct 2024 | United Kingdom | April 1987 | The Hub, Tamblin Way, Hatfield, Hertfordshire, AL10 9EZ |
| SAIDJI, Yacine RESIGNED | Director | 15 Jan 2013 | 19 May 2017 | England | March 1976 | Govenors House, Laurence Pountney Hill, London, EC4R 0HH, England |
| SMITH, Andrew Peter RESIGNED | Director | 01 Jun 2007 | 31 Mar 2010 | England | March 1966 | 101 Pixmore Way, Letchworth Garden City, Herts, SG6 3TR |
| TATARU, Roxana RESIGNED | Director | 01 Jul 2021 | 16 Sep 2026 | United Kingdom | June 1989 | The Hub, Tamblin Way, Hatfield, Hertfordshire, AL10 9EZ |
| WALSH, Pauline Mary RESIGNED | Director | 01 May 2018 | 17 Sep 2021 | England | June 1967 | The Hub, Tamblin Way, Hatfield, Hertfordshire, AL10 9EZ |