| FOSTER, Laura ACTIVE | Secretary | 26 Mar 2025 | | | | Affinity Water Limited, Tamblin Way, Hatfield, AL10 9EZ, England |
| CALABRESE, Michael Patrick ACTIVE | Director | 31 Dec 2014 | | England | April 1969 | The Hub, Tamblin Way, Hatfield, Hertfordshire, AL10 9EZ |
| PUGSLEY, Simon Anthony Follett ACTIVE | Director | 25 Mar 2025 | | United Kingdom | February 1968 | Company Secretary, Affinity Water Limited, The Hub, Tamblin Way, Hatfield, Hertfordshire, AL10 9EZ, United Kingdom |
| HODSON, Anthony John RESIGNED | Secretary | 01 May 1997 | 30 Sep 2005 | | | 125 Norton Road, Stotfold, Hitchin, Hertfordshire, SG5 4PG |
| MAYDON, Gary RESIGNED | Secretary | 22 Jul 1994 | 01 May 1997 | | | 23 Rye Street, Bishops Stortford, Hertfordshire, CM23 2HA |
| MONOD, Timothy John William RESIGNED | Secretary | 31 Mar 2008 | 06 Nov 2019 | | | The Hub, Tamblin Way, Hatfield, Hertfordshire, AL10 9EZ |
| TAYLOR, Keith William RESIGNED | Secretary | 30 Sep 2005 | 31 Mar 2008 | | | 127 Broadwood Avenue, Ruislip, Middlesex, HA4 7XU |
| BEACH SECRETARIES LIMITED RESIGNED | Nominee Secretary | 02 Nov 1993 | 22 Jul 1994 | | | 100 Fetter Lane, London, EC4A 1BN |
| BATES, Duncan John Lucas RESIGNED | Director | 31 Dec 2014 | 02 Nov 2017 | England | August 1958 | The Hub, Tamblin Way, Hatfield, Hertfordshire, AL10 9EZ |
| BIENFAIT, Richard Antoine RESIGNED | Director | 31 Mar 2008 | 31 Dec 2014 | United Kingdom | September 1967 | The Hub, Tamblin Way, Hatfield, Hertfordshire, AL10 9EZ, United Kingdom |
| HODSON, Anthony John RESIGNED | Director | 22 Jul 1994 | 30 Sep 2005 | England | March 1950 | 125 Norton Road, Stotfold, Hitchin, Hertfordshire, SG5 4PG |
| KAUSHAL, Sunita RESIGNED | Director | 12 Dec 2022 | 03 Apr 2023 | United Kingdom | September 1973 | The Hub, Tamblin Way, Hatfield, Hertfordshire, AL10 9EZ |
| LEDGER, Stuart Neil RESIGNED | Director | 02 Nov 2017 | 12 Dec 2022 | England | January 1976 | The Hub, Tamblin Way, Hatfield, Hertfordshire, AL10 9EZ |
| MAKONI, Patrick RESIGNED | Director | 04 Oct 2024 | 25 Mar 2025 | United Kingdom | April 1974 | The Hub, Tamblin Way, Hatfield, AL10 9EZ, United Kingdom |
| MAYDON, Gary RESIGNED | Director | 22 Jul 1994 | 01 May 1997 | | February 1957 | 23 Rye Street, Bishops Stortford, Hertfordshire, CM23 2HA |
| MONOD, Timothy John William RESIGNED | Director | 01 May 1997 | 31 Dec 2014 | United Kingdom | January 1967 | 22 Vanda Crescent, St Albans, Hertfordshire, AL1 5EX |
| ROUGHEAD, Martin RESIGNED | Director | 17 Apr 2023 | 04 Oct 2024 | United Kingdom | April 1987 | The Hub, Tamblin Way, Hatfield, Hertfordshire, AL10 9EZ |
| TAYLOR, Keith William RESIGNED | Director | 30 Sep 2005 | 31 Mar 2008 | United Kingdom | June 1953 | 127 Broadwood Avenue, Ruislip, Middlesex, HA4 7XU |
| CROFT NOMINEES LIMITED RESIGNED | Nominee Director | 02 Nov 1993 | 22 Jul 1994 | | | 100 Fetter Lane, London, EC4A 1BN |