| TANCRED, Nicola Anne ACTIVE | Secretary | 28 Dec 2018 | | | | Xylem Water Solutions Uk Limited, Private Road 1, Colwick Industrial Estate, Nottingham, NG4 2AN, England |
| BENTLEY, Laurie James ACTIVE | Director | 02 Jul 2026 | | England | December 1982 | C/O Xylem Water Solutions Uk Ltd, Private Road 1, Colwick Industrial Estate, Nottingham, NG4 2AN, England |
| LOGAN, Christopher Michael ACTIVE | Director | 10 Dec 2021 | | United States | May 1981 | 1, International Drive, Rye Brook, New York 10573, United States |
| WELLS, Ian Howard ACTIVE | Director | 22 Aug 2022 | | England | September 1967 | Quenington, Fairford, Cirencester, Gloucestershire, GL7 5BX |
| COULING, Jeffrey Peter RESIGNED | Secretary | 14 May 2004 | 27 Apr 2011 | | | Barnacle Lodge, Faringdon Road, Shrivenham, Wiltshire, SN6 8AJ |
| FRAWLEY, Linda Margaret RESIGNED | Secretary | 28 Feb 2018 | 14 Dec 2018 | | | 106, Hawley Lane, Farnborough, Hants, GU14 8JE, United Kingdom |
| O'SHAUGHNESSY, Paul Charles RESIGNED | Secretary | 01 Dec 1992 | 14 May 2004 | | | Scissor Cottage Turville Barns, Eastleach, Cirencester, Gloucestershire, GL7 3QB |
| SMITH, Catharine Louise RESIGNED | Secretary | 27 Apr 2011 | 28 Feb 2018 | | | 7, Hatfield Close, Swindon, SN25 1UY, England |
| WOODLEY, John Barry RESIGNED | Secretary | | 11 May 1993 | | | Calcutt Manor, Cricklade, Swindon, Wiltshire, SN6 6JR |
| BARTLETT, Martyn Leroy RESIGNED | Director | 28 Jan 2002 | 02 Sep 2011 | United Kingdom | September 1953 | 32 Brantwood Road, Droitwich, Worcestershire, WR9 7RR |
| BRAITHWAITE, David Charles RESIGNED | Director | 28 Jan 2002 | 31 Mar 2013 | United Kingdom | September 1954 | Elmhurst, London Road, Fairford, Gloucestershire, GL7 4AR |
| COULING, Jeffrey Peter RESIGNED | Director | 14 May 2004 | 27 Apr 2011 | United Kingdom | July 1951 | Barnacle Lodge, Faringdon Road, Shrivenham, Wiltshire, SN6 8AJ |
| D'ORSANEO, Kathy RESIGNED | Director | 29 Apr 2005 | 03 Aug 2010 | Usa | February 1962 | 22 Clearbrook Lane, Sewell, 08080 New Jersey, FOREIGN, Usa |
| DENNY, Anne RESIGNED | Director | 13 Feb 2012 | 31 Mar 2013 | Usa | June 1957 | 84, Floodgate Road, Bridgeport, 08014, Usa, Usa |
| FERRIS, William Cyril RESIGNED | Director | | 17 Apr 1994 | | July 1933 | 2 Westwood Close, Droitwich, Worcestershire, WR9 0BD |
| FISCHER, Andrew Olaf RESIGNED | Director | 18 Apr 2000 | 08 Jun 2001 | England | August 1964 | The Chestnuts, Chestnut Close, Peakirk, Peterborough, Cambridgeshire, PE6 7NW |
| FISHER, Ian RESIGNED | Director | 18 Apr 2000 | 08 Jun 2001 | United Kingdom | August 1950 | 145 King Henrys Road, London, NW3 3RD |
| FLETCHER, Alan Thomas RESIGNED | Director | 18 Apr 2000 | 08 Jun 2001 | | December 1934 | 26 Loudoun Road, London, NW8 0LT |
| HOOD, Peter John RESIGNED | Director | 01 Apr 2013 | 01 Mar 2014 | England | September 1981 | Quenington, Fairford, Cirencester, Gloucestershire,, GL7 5BX |
| LOW, Christopher John Hill RESIGNED | Director | 01 May 1999 | 08 May 2000 | England | May 1947 | 16 Portland Avenue, Exmouth, Devon, EX8 2BS |
| MACDONALD, Sheldon RESIGNED | Director | 07 Jun 2001 | 03 Dec 2004 | | February 1955 | 4 Promenade Court, Cherry Hill, New Jersey 08034, Usa |
| MAY, Bruce Conrad RESIGNED | Director | 01 Apr 2013 | 30 Jun 2026 | United Kingdom | March 1959 | Quenington, Fairford, Cirencester, Gloucestershire, GL7 5BX |
| MILLER, John Gordon RESIGNED | Director | 01 Aug 1995 | 01 Apr 2013 | England | September 1953 | 11 Blunts Hay, Eastleach, Cirencester, Gloucestershire, GL7 3NJ |
| MONK, Brian RESIGNED | Director | 12 May 1994 | 31 Jul 1998 | | January 1937 | Wichita Shoppenhangers Road, Maidenhead, Berkshire, SL6 2QE |
| MORRIS, Paul Andrew RESIGNED | Director | 13 Feb 2018 | 12 Jun 2026 | England | July 1978 | Quenington, Fairford, Cirencester, Gloucestershire, GL7 5BX |
| MOWBRAY, James Edward RESIGNED | Director | 20 Jun 2007 | 01 Nov 2015 | England | April 1958 | Brook House Alderholt Road, Sandleheath, Fordingbridge, Hampshire, SP6 1PT |
| NELSON, Timothy Scott RESIGNED | Director | 03 Aug 2010 | 13 Feb 2012 | Sweden | August 1965 | Xylem Headquarters Sweden, Gesallvagen 33, Se-17407, Sundbyberg, Sweden, Sweden |
| O'SHAUGHNESSY, Paul Charles RESIGNED | Director | 01 Dec 1992 | 14 May 2004 | England | May 1943 | Scissor Cottage Turville Barns, Eastleach, Cirencester, Gloucestershire, GL7 3QB |
| PAZ, John RESIGNED | Director | 07 Jun 2001 | 28 Apr 2005 | | March 1930 | 734 Rattling Run Road, Mickleton, New Jersey 08056, Usa |
| PAZ, John Michael RESIGNED | Director | 07 Jun 2001 | 03 Aug 2010 | United States Of America | May 1956 | 635, Niblick Lane, Wallingford, Pennsylvania 19086, United States |
| RANDALL, Roger John RESIGNED | Director | | 31 Jul 1997 | | June 1938 | Spring Bank, Poulton, Cirencester, Gloucestershire, GL7 5HN |
| SALSTROM, Grant RESIGNED | Director | 13 Feb 2012 | 29 Mar 2013 | United States | January 1958 | 84, Floodgate Road, New Jersey, 08014, Usa, Usa |
| SHEPARD, John Percival Charles RESIGNED | Director | | 31 Jan 2001 | | October 1941 | Pound House, Downington, Lechlade, Gloucestershire, GL7 3DL |
| SMITH, Catharine Louise RESIGNED | Director | 01 Nov 2015 | 28 Feb 2018 | England | March 1969 | Quenington, Fairford, Cirencester, Gloucestershire,, GL7 5BX |
| SMITH, Stephen Anthony RESIGNED | Director | 18 Apr 2000 | 08 Jun 2001 | | August 1951 | 12 Chestnut Avenue, Northwood, Middlesex, HA6 1HR |
| SOWTER, Melanie Linda RESIGNED | Director | 03 Aug 2010 | 24 Feb 2012 | England | May 1973 | Quenington, Fairford, Cirencester, Gloucestershire,, GL7 5BX |
| STONE, Michael RESIGNED | Director | 01 Aug 1997 | 31 May 2008 | | May 1943 | Delphinium Cottage, Smith End Green Leigh Sinton, Malvern, Worcestershire, WR13 5DG |
| WALKER, Stanley Vernon RESIGNED | Director | | 14 May 1995 | | May 1932 | Tilstock, Ashdale Close Aldsworth, Cirencester, Gloucestershire, GL54 3QT |
| WEAVER, Alan Peter RESIGNED | Director | 01 Aug 1993 | 30 Apr 1999 | | February 1945 | Treherne 54 Guarlford Road, Malvern, Worcestershire, WR14 3QP |
| WILLIAMSON, John Patrick RESIGNED | Director | 03 Aug 2010 | 27 Jan 2011 | Sweden | March 1961 | Quenington, Fairford, Cirencester, Gloucestershire,, GL7 5BX |
| WOODLEY, John Barry RESIGNED | Director | | 11 May 1993 | | May 1930 | Calcutt Manor, Cricklade, Swindon, Wiltshire, SN6 6JR |