| SWARATMIKA, Swaratmika ACTIVE | Secretary | 06 May 2025 | | | | 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 | 31 Jul 2003 | 06 May 2025 | | | Suez House, Grenfell Road, Maidenhead, Berkshire, SL6 1ES, England |
| SEARBY, Robert Anthony RESIGNED | Secretary | | 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 |
| 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 |
| 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 |
| JOHNSON, Edwin David RESIGNED | Director | 08 Oct 1993 | 18 Mar 1995 | | September 1956 | 14301 Luray Road, Fort Lauderdale Florida 33330, Usa, FOREIGN |
| PENFOLD, Timothy James RESIGNED | Director | 20 Nov 1995 | 31 Jul 1998 | United Kingdom | June 1950 | 11 Dorney Reach Road, Dorney Reach, Maidenhead, Berkshire, SL6 0DX |
| PENFOLD, Timothy James RESIGNED | Director | | 27 Jun 1995 | United Kingdom | June 1950 | 11 Dorney Reach Road, Dorney Reach, Maidenhead, Berkshire, SL6 0DX |
| SEARBY, Robert Anthony RESIGNED | Director | | 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 |
| THORNE, Simon John RESIGNED | Director | 19 May 1999 | 30 Jun 2001 | England | February 1967 | Walnut Cottage Englemere Park, Kings Ride, Ascot, Berkshire, SL5 8AE |
| VOLPI, John Patrick RESIGNED | Director | 28 Jun 1995 | 29 Sep 1997 | | December 1950 | Spyglass 20 Donnay Close, Gerrards Cross, Buckinghamshire, SL9 7PZ |
| WINSTANLEY, Ian Malcolm RESIGNED | Director | 06 Oct 1993 | 21 Jan 1994 | | June 1956 | Strathfillan, Kidmore End, Henley-On-Thames, South Oxon, RG4 9AY |
| SITA HOLDING UK LIMITED RESIGNED | Director | 31 Jul 1998 | 19 May 1999 | | | 21, Easthampstead Road, Bracknell, Berkshire, RG12 1NS |