| THOMPSON, Mark Hedley ACTIVE | Secretary | 05 Jan 2009 | | | | 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 |
| 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 |
| JOHNSON, Gordon Arthur RESIGNED | Secretary | | 14 May 1993 | | | Arandel Manor Way, Wrea Green, Preston, Lancashire, PR4 2WH |
| MCGINTY, Francis Patrick RESIGNED | Secretary | 14 May 1993 | 19 Jan 2000 | | | 9 Crocus Field, Leyland, Lancashire, PR25 3DY |
| MCKENNA-MAYES, Graham Arthur RESIGNED | Secretary | 31 Jul 2003 | 05 Jan 2009 | | | 38 Bremer Road, Staines, Middlesex, TW18 4HU |
| MURRAY, David Eugene RESIGNED | Secretary | 19 Jan 2000 | 01 Jul 2001 | | | 15 Boleyn Gardens, West Wickham, Kent, BR4 9NG |
| BURFORD, Colin Charles RESIGNED | Director | 14 May 1993 | 14 Sep 1999 | United Kingdom | September 1943 | Oak House, Wennington, Lancaster, LA2 8NX |
| BURFORD, Colin Charles RESIGNED | Director | | 14 May 1993 | United Kingdom | September 1943 | Oak House, Wennington, Lancaster, LA2 8NX |
| CATLIN, Pierre RESIGNED | Director | 02 Feb 1997 | 08 Feb 2002 | | November 1949 | Clos Du Berfoje 17, Brussels, 1160, FOREIGN, Belgium |
| 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 |
| ELLMAN, Louise Joyce RESIGNED | Director | | 14 May 1993 | | November 1945 | 40 Elmers Green, Skelmersdale, Lancashire, WN8 6SB |
| ENTWISTLE, John RESIGNED | Director | | 14 May 1993 | | July 1932 | 47 Pritchard Street, Burnley, Lancashire, BB11 4JT |
| GILLATT, Peter John RESIGNED | Director | 07 Jan 2002 | 31 Oct 2006 | England | April 1960 | Gables Farm, Main Street, Long Whatton, Loughborough, Leicestershire, LE12 5DF |
| GOLDSTONE, Anthony Stewart RESIGNED | Director | | 14 May 1993 | | October 1938 | Flat 2 Merlewood, 17 Langham Road, Bowden, Cheshire, WA14 2HT |
| GOODFELLOW, Ian Frederick RESIGNED | Director | 01 Oct 2001 | 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 |
| HOLLAND, Philip Hugh RESIGNED | Director | 01 Oct 2003 | 07 Oct 2013 | United Kingdom | February 1960 | Sita House, Grenfell Road, Maidenhead, Berkshire, SL6 1ES |
| MCGINTY, Francis Patrick RESIGNED | Director | 14 May 1993 | 19 Jan 2000 | England | December 1949 | 9 Crocus Field, Leyland, Lancashire, PR25 3DY |
| NEILL, Peter Anthony RESIGNED | Director | 14 Sep 1999 | 08 Jan 2002 | United Kingdom | August 1949 | 81 Clifton Drive, Lytham, Lancashire, FY8 1BZ |
| O DONNELL, James Joseph RESIGNED | Director | 14 May 1993 | 28 Feb 1997 | | October 1947 | 170 Conway Drive, Fulwood, Preston, Lancashire, PR2 3ES |
| O DONNELL, James Joseph RESIGNED | Director | | 14 May 1993 | | October 1947 | 170 Conway Drive, Fulwood, Preston, Lancashire, PR2 3ES |
| 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 |
| PENNEY, Nicola Diane, County Councillor RESIGNED | Director | 16 Jul 1993 | 28 Feb 1997 | England | January 1944 | 5 Coolidge Avenue, Lancaster, Lancashire, LA1 5EG |
| PENNEY, Nicola Diane, County Councillor RESIGNED | Director | | 14 May 1993 | England | January 1944 | 5 Coolidge Avenue, Lancaster, Lancashire, LA1 5EG |
| SEXTON, Ian Anthony RESIGNED | Director | 01 Oct 2001 | 19 Feb 2007 | United Kingdom | May 1956 | 31 Dedmere Road, Marlow, Buckinghamshire, SL7 1PE |
| SMITH, Elizabeth Anne RESIGNED | Director | | 14 May 1993 | England | March 1929 | 206 Church Road, St Annes, Lytham St Annes, Lancashire, FY8 3NW |
| TAYLOR, Paul RESIGNED | Director | 01 Oct 2003 | 13 Nov 2009 | United Kingdom | May 1959 | 5 High Horse Close, Rowlands Gill, Tyne & Wear, NE39 1AN |
| TERLINDEN, Bernard Marie RESIGNED | Director | 28 Feb 1997 | 09 Jul 2001 | | May 1954 | Chaussee De Malines 19, Wezembeek Oppem, Belgium, 1970 |
| WEST, John James RESIGNED | Director | 14 May 1993 | 18 Oct 2001 | | April 1939 | 17 Carlton Drive, Preston, Lancashire, PR1 4PP |
| WEST, John James RESIGNED | Director | | 14 May 1993 | | April 1939 | 17 Carlton Drive, Preston, Lancashire, PR1 4PP |
| WHEATLEY, Robert James RESIGNED | Director | 28 Feb 1997 | 01 Mar 2002 | | August 1943 | 5 Oakbrook, 8 Court Downs Road, Beckenham, Kent, BR3 6LR, England |
| WHITTLE, Bernard James RESIGNED | Director | | 14 May 1993 | England | July 1938 | Brades Croft Brades Lane, Freckleton, Preston, Lancashire, PR4 1HG |