| PUGSLEY, Simon Anthony Follett ACTIVE | Secretary | 01 Apr 2025 | | | | Company Secretary, Affinity Water Limited, The Hub, Tamblin Way, Hatfield, Hertfordshire, AL10 9EZ, United Kingdom |
| LOTTER, Jessabel Piera ACTIVE | Director | 18 Mar 2026 | | United Kingdom | November 1994 | The Hub, Tamblin Way, Hatfield, Hertfordshire, AL10 9EZ |
| OSBORNE, Michael Peter Francis ACTIVE | Director | 24 Nov 2021 | | United Kingdom | October 1980 | 403, Tea Trade Wharf, 26 Shad, Thames, London, SE1 2AS, United Kingdom |
| TATARU, Roxana ACTIVE | Director | 01 Jul 2021 | | United Kingdom | June 1989 | The Hub, Tamblin Way, Hatfield, Hertfordshire, AL10 9EZ |
| WADDINGTON, Adam George ACTIVE | Director | 12 May 2023 | | United Kingdom | December 1974 | The Hub, Tamblin Way, Hatfield, Hertfordshire, AL10 9EZ, United Kingdom |
| BUTCHER, Michael Joseph Edward RESIGNED | Secretary | 09 Jul 2008 | 30 Apr 2012 | | | Fifth Floor, Kings Place, 90 York Way, London, N1 9AG |
| CASTLE, Rodney Grahame RESIGNED | Secretary | 08 Aug 1997 | 31 Jul 2004 | | | Bathurst Cottage, Church Street, Crondall, Surrey, GU10 5QQ |
| GOUGH, Celia Rosalind RESIGNED | Secretary | 30 Apr 2012 | 27 Jun 2012 | | | Fifth Floor, Kings Place, 90 York Way, London, N1 9AG |
| 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 |
| MAYDON, Gary RESIGNED | Secretary | 05 Sep 1996 | 08 Aug 1997 | | | 23 Rye Street, Bishops Stortford, Hertfordshire, CM23 2HA |
| MERCER, Calum RESIGNED | Secretary | 03 Jan 1995 | 05 Sep 1996 | | | Flat 7 Avenue Lodge 13 Avenue Road, London, N6 5DJ |
| MONOD, Timothy John William RESIGNED | Secretary | 18 Jul 2012 | 06 Nov 2019 | | | The Hub, Tamblin Way, Hatfield, Hertfordshire, AL10 9EZ, United Kingdom |
| NEWMAN, Jane Elizabeth RESIGNED | Secretary | 23 Sep 1991 | 28 Oct 1991 | | | 138 Barnsbury Road, London, N1 0ER |
| TAWNEY, Christopher RESIGNED | Secretary | 28 Oct 1991 | 03 Jan 1995 | | | 22 Winfrith Road, London, SW18 3BD |
| TAYLOR, Keith William RESIGNED | Secretary | 31 Jul 2004 | 31 Mar 2008 | | | 127 Broadwood Avenue, Ruislip, Middlesex, HA4 7XU |
| SWIFT INCORPORATIONS LIMITED RESIGNED | Nominee Secretary | 17 Jul 1991 | 23 Sep 1991 | | | 26, Church Street, London, NW8 8EP |
| ALEXANDER, David William RESIGNED | Director | 28 Jul 2005 | 31 Dec 2007 | United Kingdom | September 1946 | 54 Velsheda Court, Hythe Marina Village, Hythe, Hampshire, SO45 6DW |
| ANAND, Neeti Mukundrai RESIGNED | Director | 01 Apr 2021 | 24 Nov 2021 | England | November 1984 | The Hub, Tamblin Way, Hatfield, Hertfordshire, AL10 9EZ |
| BANON, Jean Claude RESIGNED | Director | 28 Oct 1991 | 03 Aug 2005 | United Kingdom | May 1948 | 37 Warwick Gardens, London, W14 8PH |
| BIENFAIT, Richard Antoine RESIGNED | Director | 22 Jul 2004 | 31 Dec 2014 | United Kingdom | September 1967 | The Hub, Tamblin Way, Hatfield, Hertfordshire, AL10 9EZ, United Kingdom |
| BOTIJA, Antonio RESIGNED | Director | 18 Jul 2012 | 25 Jul 2014 | England | October 1976 | Governors House, Laurence Pountney Hill, London, EC4R 0HH, England |
| BRADBURY, Kenton Edward RESIGNED | Director | 18 Jul 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 | 26 Mar 2012 | 27 Jun 2012 | England | September 1962 | Fifth Floor, Kings Place, 90 York Way, London, N1 9AG |
| BUTCHER, Michael Joseph Edward RESIGNED | Director | 31 Mar 2006 | 30 Apr 2012 | United Kingdom | August 1951 | Fifth Floor, Kings Place, 90 York Way, London, N1 9AG |
| CARTER, Jonathan Laurence David RESIGNED | Director | 04 Oct 2022 | 18 Mar 2026 | United Kingdom | October 1989 | 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 |
| DARDI, Marissa Ann RESIGNED | Director | 24 Nov 2021 | 12 May 2023 | United Kingdom | December 1980 | The Hub, Tamblin Way, Hatfield, Hertfordshire, AL10 9EZ |
| DARLEY, Francois RESIGNED | Director | 05 Sep 1996 | 31 Mar 2006 | | June 1950 | 42 Porchester Terrace, London, W2 3TP |
| DELLACHA, Maria Georgina RESIGNED | Director | 13 Sep 2016 | 19 May 2017 | England | January 1975 | The Hub, Tamblin Way, Hatfield, Hertfordshire, AL10 9EZ |
| 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 | 13 Dec 2010 | 31 Dec 2013 | England | August 1969 | The Hub, Tamblin Way, Hatfield, Hertfordshire, AL10 9EZ, United Kingdom |
| DEVOS, Frederic RESIGNED | Director | 28 Jan 2008 | 25 Jan 2012 | United Kingdom | January 1964 | Fifth Floor, Kings Place, 90 York Way, London, N1 9AG |
| DONZELLI, Alberto Angelo RESIGNED | Director | 27 Jun 2012 | 19 May 2017 | United Kingdom | May 1975 | 20, Bank Street, London, E14 4AD, England |
| DUGDALE, William Stratford, Sir RESIGNED | Director | 28 Oct 1991 | 28 Feb 1999 | | March 1922 | Blyth Hall, Coleshill, Warwickshire, B46 2AD |
| GOOSSENS, Tom RESIGNED | Director | 19 May 2017 | 01 Apr 2021 | Netherlands | December 1981 | The Hub, Tamblin Way, Hatfield, Hertfordshire, AL10 9EZ |
| GRIFFITHS, Rees RESIGNED | Director | 28 Oct 1991 | 05 Sep 1996 | | December 1947 | 13 Allfarthing Lane, London, SW18 2PG |
| KARNIK, Deven Arvind RESIGNED | Director | 18 Jul 2012 | 08 Mar 2013 | Hong Kong | August 1967 | Level 46, International Commerce Centre, 1 Austin Road West Kowloon, Hong Kong, Hong Kong |
| 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 |
| LEEDHAM, Richard James RESIGNED | Director | 23 Sep 1991 | 28 Oct 1991 | | October 1966 | 116 Greencroft Gardens, London, NW6 3PJ |
| LIEF, Mathieu Olivier Louis RESIGNED | Director | 27 Jun 2012 | 22 Apr 2013 | England | November 1975 | Governors House, Laurence Pountney Hill, London, EC4R 0HH, England |
| MANGION, Joseph Bernard RESIGNED | Director | 05 Sep 1996 | 30 Nov 2003 | England | March 1958 | 6 The Drive, Esher, Surrey, KT10 8DQ |
| MUIR, George Watson RESIGNED | Director | 13 Feb 1992 | 23 Jul 1998 | United Kingdom | February 1943 | 32 Hestercombe Avenue, London, SW6 5LG |
| 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 |
| NEWMAN, Jane Elizabeth RESIGNED | Director | 23 Sep 1991 | 28 Oct 1991 | | November 1960 | 138 Barnsbury Road, London, N1 0ER |
| PATERSON, Nigel John RESIGNED | Director | 25 Jul 2014 | 19 May 2017 | England | October 1957 | 8th Floor, 210, Pentonville Road, London, N1 9JY, England |
| RICHARDSON, Tobias Charles RESIGNED | Director | 19 May 2017 | 25 Jul 2018 | England | April 1974 | The Hub, Tamblin Way, Hatfield, Hertfordshire, AL10 9EZ |
| 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 |
| SAIDJI, Yacine RESIGNED | Director | 27 Jun 2012 | 19 May 2017 | England | March 1976 | Governors House, Laurence Pountney Hill, London, EC4R 0HH, England |
| SCHUMACHER, Bernd RESIGNED | Director | 27 Jun 2012 | 19 Aug 2016 | England | July 1976 | Governors House, Laurence Pountney Hill, London, EC4R 0HH, England |
| SPRINGETT, Scott RESIGNED | Director | 25 Jul 2018 | 30 Jun 2021 | United Kingdom | June 1968 | The Hub, Tamblin Way, Hatfield, Hertfordshire, AL10 9EZ |
| WILMOTT, James Michael RESIGNED | Director | 18 Jul 2012 | 19 May 2017 | Usa | March 1964 | 20, Bank Street, London, E14 4AD, England |
| INSTANT COMPANIES LIMITED RESIGNED | Nominee Director | 17 Jul 1991 | 23 Sep 1991 | | | 1, Mitchell Lane, Bristol, Avon, BS1 6BU |