| SWARATMIKA, Swaratmika ACTIVE | Secretary | 06 May 2025 | | | | Suez House, Grenfell Road, Maidenhead, Berkshire, SL6 1ES, England |
| MAYSON, Gary, Mr. ACTIVE | Director | 01 Jan 2020 | | England | September 1969 | Suez House, Grenfell Road, Maidenhead, Berkshire, SL6 1ES, England |
| OTLEY, Tim ACTIVE | Director | 01 Aug 2016 | | England | February 1973 | Suez House, Grenfell Road, Maidenhead, Berkshire, SL6 1ES, England |
| SCANLON, John James, Mr. ACTIVE | Director | 13 Nov 2009 | | England | November 1969 | Suez House, Grenfell Road, Maidenhead, Berkshire, SL6 1ES, England |
| THORN, Christopher Derrick ACTIVE | Director | 01 Feb 2020 | | England | April 1981 | Suez House, Grenfell Road, Maidenhead, Berkshire, SL6 1ES, England |
| COOPER, Elizabeth Jayne Clare RESIGNED | Secretary | 01 Jul 2001 | 31 Jul 2003 | | | 39 Church Road, Harlington, Bedfordshire, LU5 6LE |
| KNIGHT, Joan RESIGNED | Secretary | 03 Jun 2015 | 06 May 2025 | | | Suez House, Grenfell Road, Maidenhead, Berkshire, SL6 1ES, England |
| MCKENNA-MAYES, Graham Arthur RESIGNED | Secretary | 31 Jul 2003 | 05 Jan 2009 | | | 38 Bremer Road, Staines, Middlesex, TW18 4HU |
| REES, Geraint RESIGNED | Secretary | 15 Feb 1994 | 15 Feb 1994 | | | 131 Wenlock Road, Shrewsbury, Shropshire, SY2 6JZ |
| THOMPSON, Mark Hedley RESIGNED | Secretary | 05 Jan 2009 | 03 Jun 2015 | | | Sita House, Grenfell Road, Maidenhead, Berkshire, SL6 1ES |
| THORNE, Simon John RESIGNED | Secretary | 19 Jun 1998 | 30 Jun 2001 | | | Walnut Cottage Englemere Park, Kings Ride, Ascot, Berkshire, SL5 8AE |
| CLIFFORD CHANCE SECRETARIES LIMITED RESIGNED | Nominee Secretary | 15 Feb 1994 | 01 Sep 1999 | | | 10 Upper Bank Street, London, E14 5JJ |
| WINSEC LIMITED RESIGNED | Nominee Secretary | 08 Jul 1991 | 15 Feb 1994 | | | 3rd Floor Windsor House, 3 Temple Row, Birmingham, West Midlands, B2 5LF |
| BARLOW, Andrew Richard RESIGNED | Director | 30 Sep 1993 | 01 Jun 1999 | | January 1941 | Badgers Bend Bagshot Road, Chobham, Woking, Surrey, GU24 8SJ |
| CARNEAU, Pierre RESIGNED | Director | 30 Sep 1993 | 14 Apr 2000 | England | February 1952 | 239 Popes Lane Gunnersbury Park, Ealing, London, W5 4NH |
| CARTER, John Brian RESIGNED | Director | 30 Sep 1993 | 20 Sep 1995 | United Kingdom | July 1938 | 71 Trimmingham Drive, Bury, Lancashire, BL8 1EP |
| CHAPRON, Christophe Andre Bernard RESIGNED | Director | 19 Feb 2007 | 29 Feb 2016 | England | October 1964 | Suez House, Grenfell Road, Maidenhead, Berkshire, SL6 1ES, England |
| DUVAL, Florent Thierry Antoine RESIGNED | Director | 01 Feb 2016 | 31 Oct 2021 | England | February 1976 | Suez House, Grenfell Road, Maidenhead, Berkshire, SL6 1ES, England |
| EVANS, Kenneth Anthony RESIGNED | Director | 27 Nov 1991 | 20 Sep 1995 | | May 1938 | Inwood Cottage, Knockin Heath, Oswestry, SY10 8EA |
| GILLATT, Peter John RESIGNED | Director | 31 May 2003 | 31 Oct 2006 | England | April 1960 | Gables Farm, Main Street, Long Whatton, Loughborough, Leicestershire, LE12 5DF |
| GILLATT, Peter John RESIGNED | Director | 31 May 2002 | 31 May 2002 | England | April 1960 | Gables Farm, Main Street, Long Whatton, Loughborough, Leicestershire, LE12 5DF |
| GOODFELLOW, Ian Frederick RESIGNED | Director | 31 May 2002 | 31 May 2003 | England | January 1954 | Highlands Harewood Drive, Cold Ash, Thatcham, Berkshire, RG18 9PF |
| HJORT, Per-Anders RESIGNED | Director | 31 May 2003 | 01 Oct 2008 | | December 1958 | Flat 76, 21 Sheldon Square, Paddington London, W2 6DS |
| KNOTT, David Robert RESIGNED | Director | 01 Nov 2000 | 02 Jun 2003 | | July 1948 | 1 Trimpley Close, Dorridge, West Midlands, B93 8TF |
| MATTHEWS, Stephen RESIGNED | Director | 06 Sep 1993 | 21 Jul 1994 | | January 1957 | 5 Mayfield Park, Shrewsbury, Shropshire, SY2 6PD |
| MEAKIN, Andrew Joseph RESIGNED | Director | 13 Aug 2001 | 01 Jan 2002 | | October 1966 | Woodlands, Newcastle Street, Tuxford, Newark, Notts, NG22 0LW |
| PALMER-JONES, David Courtenay RESIGNED | Director | 01 Oct 2008 | 01 Jan 2020 | United Kingdom | April 1963 | Suez House, Grenfell Road, Maidenhead, Berkshire, SL6 1ES, England |
| PURSEY, Nigel Thomas RESIGNED | Director | 20 Sep 1995 | 29 Sep 1997 | United Kingdom | August 1949 | Brookhayne, Longden, Shrewsbury, Shropshire, SY5 8EX |
| REES, Geraint Lloyd RESIGNED | Director | 04 Mar 1997 | 01 Aug 2016 | United Kingdom | March 1960 | Suez House, Grenfell Road, Maidenhead, Berkshire, SL6 1ES, England |
| SEARBY, Robert Anthony RESIGNED | Director | 14 Apr 2000 | 02 Mar 2001 | | September 1956 | 4 Davis Close, Marlow, Buckinghamshire, SL7 1SY |
| SEXTON, Ian Anthony RESIGNED | Director | 02 Mar 2001 | 19 Feb 2007 | United Kingdom | May 1956 | 31 Dedmere Road, Marlow, Buckinghamshire, SL7 1PE |
| TAYLOR, Paul RESIGNED | Director | 01 Oct 2003 | 13 Nov 2009 | United Kingdom | May 1959 | 5 High Horse Close, Rowlands Gill, Tyne & Wear, NE39 1AN |
| THORNE, Simon John RESIGNED | Director | 14 Apr 2000 | 30 Jun 2001 | England | February 1967 | Walnut Cottage Englemere Park, Kings Ride, Ascot, Berkshire, SL5 8AE |
| WARD, Brian Eric RESIGNED | Director | 30 Sep 1993 | 31 Mar 2000 | England | November 1945 | Newton House, Newton, Kettering, Northamptonshire, NN14 1BW |
| WHEATLEY, Robert James RESIGNED | Director | 01 Aug 2000 | 31 May 2002 | | August 1943 | 52 Eastworth Road, Chertsey, Surrey, KT16 8DP |
| WINTERTON, Paul Stephen RESIGNED | Director | 30 Sep 1993 | 18 Jul 2000 | | March 1944 | 7 Northfield Road, Blaby, Leicestershire, LE8 4GV |
| WINDSOR HOUSE NOMINEES LIMITED RESIGNED | Nominee Director | 08 Jul 1991 | 27 Nov 1991 | | | 3rd Floor Windsor House, 3 Temple Row, Birmingham, West Midlands, B2 5LF |