| SWARATMIKA, Swaratmika ACTIVE | Secretary | 06 May 2025 | | | | Suez House, Grenfell Road, Maidenhead, Berkshire, SL6 1ES |
| THORN, Christopher Derrick ACTIVE | Director | 01 Feb 2020 | | England | April 1981 | Suez House, Grenfell Road, Maidenhead, Berkshire, SL6 1ES |
| COOPER, Elizabeth Jayne Clare RESIGNED | Secretary | 01 Jul 2001 | 31 Jul 2003 | | | 39 Church Road, Harlington, Bedfordshire, LU5 6LE |
| KNIGHT, Joan RESIGNED | Secretary | 31 Jul 2003 | 06 May 2025 | | | Suez House, Grenfell Road, Maidenhead, Berkshire, SL6 1ES, England |
| LEE, Stuart Anthony RESIGNED | Secretary | | 04 Feb 1992 | | | 16 Gerard Road, Harrow, Middlesex, HA1 2ND |
| SEARBY, Robert Anthony RESIGNED | Secretary | 18 Mar 1992 | 19 May 1999 | | | 4 Davis Close, Marlow, Buckinghamshire, SL7 1SY |
| THORNE, Simon John RESIGNED | Secretary | 19 May 1999 | 30 Jun 2001 | | | Walnut Cottage Englemere Park, Kings Ride, Ascot, Berkshire, SL5 8AE |
| ASHCROFT, Michael Anthony RESIGNED | Director | | 18 Dec 1991 | | March 1946 | 1 Boca Place Suite 4211a, 225 Glades Road, Boca Raton, Florida 33431, Usa |
| BAISE, Gary Howard RESIGNED | Director | 13 Jun 1994 | 09 Dec 1994 | | May 1941 | 8352 Old Dominion Drive, Mclean, Virginia, IRISH |
| BULLOCK, James Ross RESIGNED | Director | 29 Oct 1993 | 09 Dec 1994 | | July 1944 | Rr Number 3, Milton, Ontario, 19T2X7, Canada |
| CAIRNS, Ivan Robert RESIGNED | Director | 18 Dec 1991 | 09 Dec 1994 | | February 1946 | 14 Chancery Drive, Ancaster, Ontario, FOREIGN, Canada |
| CASAGRANDE, Jack Richard RESIGNED | Director | | 09 Dec 1993 | | January 1945 | 2601 South Bayshore Drive, Floor P2, Coconut Grove, Florida 33133, FOREIGN, Usa |
| CHAPRON, Christophe Andre Bernard RESIGNED | Director | 19 Feb 2007 | 31 Jan 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 |
| EDWARDS, Fred Cecil RESIGNED | Director | | 18 Dec 1991 | | March 1944 | 748 Banana Lake Road, Lake Mary, Florida 32746, FOREIGN, Usa |
| FOREMAN, Michael Kenneth RESIGNED | Director | | 10 May 1995 | | November 1934 | 43 Lowndes Square, London, SW1X 9JL |
| GOODFELLOW, Ian Frederick RESIGNED | Director | 19 May 1999 | 31 May 2003 | England | January 1954 | Highlands Harewood Drive, Cold Ash, Thatcham, Berkshire, RG18 9PF |
| GORDON, Marek Robert RESIGNED | Director | 31 May 2003 | 31 Dec 2007 | England | February 1953 | 7 Woodbank Avenue, Gerrards Cross, Buckinghamshire, SL9 7PY |
| GORDON, Marek Robert RESIGNED | Director | 09 Dec 1994 | 19 May 1999 | England | February 1953 | 7 Woodbank Avenue, Gerrards Cross, Buckinghamshire, SL9 7PY |
| HAWORTH, Leslie William RESIGNED | Director | 18 Dec 1991 | 09 Dec 1994 | | April 1943 | 1184 Dowling Crescent, Burlington, Ontario L7t 4c9, Canada |
| JACKSON, Donald RESIGNED | Director | 18 Dec 1991 | 10 Dec 1993 | | April 1944 | 77 Lowther Avenue, Toronto, Ontario, M5R 1C9 |
| JOHNSON, Edwin David RESIGNED | Director | 18 Mar 1992 | 18 Mar 1995 | | September 1956 | 14301 Luray Road, Fort Lauderdale Florida 33330, Usa, FOREIGN |
| LANE OF HORSELL, Peter Stewart, Lord RESIGNED | Director | 01 Jun 1992 | 09 Dec 1994 | | January 1925 | Rossmore, Pond Road, Woking, Surrey, GU22 0JY |
| LEE, Stuart Anthony RESIGNED | Director | | 04 Feb 1992 | England | March 1949 | 16 Gerard Road, Harrow, Middlesex, HA1 2ND |
| MULDOON, James Gregory RESIGNED | Director | 09 Dec 1994 | 08 May 1995 | | September 1954 | 11931 Homewood Lane, Houston, Texas, 77024, Usa |
| NORWOOD, Edward Carlisle RESIGNED | Director | 09 Dec 1994 | 08 May 1995 | | December 1940 | 1505 North Blvd, Houston Texas 77006, Usa, FOREIGN |
| PENFOLD, Timothy James RESIGNED | Director | 29 Sep 1995 | 31 Jul 1998 | United Kingdom | June 1950 | 11 Dorney Reach Road, Dorney Reach, Maidenhead, Berkshire, SL6 0DX |
| PENFOLD, Timothy James RESIGNED | Director | 24 Oct 1991 | 27 Jun 1995 | United Kingdom | June 1950 | 11 Dorney Reach Road, Dorney Reach, Maidenhead, Berkshire, SL6 0DX |
| RADCLIFFE, Mark Hugh Joseph RESIGNED | Director | 17 Mar 1994 | 09 Dec 1994 | | April 1938 | The Malt House, Upton, Nr Andover, Andover, Hampshire, SP11 0JS |
| SCHICK, Edward Walter RESIGNED | Director | 12 May 1995 | 27 Jun 1995 | | April 1956 | 12 Buekenlaan, 1272 Rj Huizen, The Netherlands, FOREIGN |
| SCHICK, Edward Walter RESIGNED | Director | 09 Dec 1994 | 08 May 1995 | | April 1956 | 12 Buekenlaan, 1272 Rj Huizen, The Netherlands, FOREIGN |
| SEARBY, Robert Anthony RESIGNED | Director | 29 Sep 1995 | 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 |
| THATCHER, Denis, Sir RESIGNED | Director | | 31 Jan 1994 | | May 1915 | 73 Chester Square, London, SW1W 9DU |
| THORNE, Simon John RESIGNED | Director | 19 May 1999 | 30 Jun 2001 | England | February 1967 | Walnut Cottage Englemere Park, Kings Ride, Ascot, Berkshire, SL5 8AE |
| VELOCCI, Ralph RESIGNED | Director | | 09 Dec 1993 | | March 1949 | 2601 South Bayshore Drive, Floor P2, Coconut Grove, Florida 33133, FOREIGN, Usa |
| VOLPI, John Patrick RESIGNED | Director | 09 Dec 1994 | 29 Sep 1997 | | December 1950 | Spyglass 20 Donnay Close, Gerrards Cross, Buckinghamshire, SL9 7PZ |