| GOGAY, Kevan ACTIVE | Secretary | 13 Feb 2015 | | | | Abbott House, Vanwall Business Park, Vanwall Road, Maidenhead, Berkshire, SL6 4XE, United Kingdom |
| CAMPBELL, Ross Iain ACTIVE | Director | 25 Apr 2025 | | England | April 1976 | Abbott House, Vanwall Business Park, Vanwall Road, Maidenhead, Berkshire, SL6 4XE |
| CLAYTON, Michael Robert Kendall ACTIVE | Director | 23 Mar 2020 | | United Kingdom | April 1974 | Abbott House, Vanwall Business Park, Vanwall Road, Maidenhead, Berkshire, SL6 4XE |
| WENNER, James Russell ACTIVE | Director | 10 Dec 2025 | | United States | September 1967 | Abbott House, Vanwall Business Park, Vanwall Road, Maidenhead, Berkshire, SL6 4XE |
| BOOTE, Michael George Ernest RESIGNED | Secretary | | 30 Sep 1996 | | | 166 Rownhams Lane, North Baddesley, Southampton, Hampshire, SO52 9LT |
| CHAPMAN, Michael James RESIGNED | Secretary | 01 Oct 1996 | 31 Dec 1998 | | | 78 Larkhall Lane, Harpole, Northamptonshire, NN7 4DF |
| DAWES, Melvin John RESIGNED | Secretary | 01 Jan 1999 | 23 Feb 2001 | | | 30 Cedarwood Drive, St Albans, Hertfordshire, AL4 0DW |
| ABOGADO NOMINEES LIMITED RESIGNED | Secretary | 15 Feb 2010 | 13 Feb 2015 | | | 100, New Bridge Street, London, EC4V 6JA |
| SOLVAY UK HOLDING COMPANY LIMITED RESIGNED | Secretary | 23 Feb 2001 | 15 Feb 2010 | | | Gresham House, 53 Clarendon Road, Watford, Hertfordshire, WD17 1LA |
| BARRACLOUGH, Richard Alan RESIGNED | Director | 03 Sep 1996 | 30 Sep 1999 | | April 1959 | 81 Watchetts Drive, Camberley, Surrey, GU15 2PF |
| BOOTE, Michael George Ernest RESIGNED | Director | | 03 Sep 1996 | | October 1941 | 166 Rownhams Lane, North Baddesley, Southampton, Hampshire, SO52 9LT |
| BROECKS, Bert Christian RESIGNED | Director | 16 Jun 2003 | 12 Dec 2006 | | June 1966 | Van Der Helstlaan 10, 1231 Am Loosedrecht, Netherlands |
| BROENS, Daniel RESIGNED | Director | 05 Mar 2001 | 12 Dec 2006 | | June 1957 | Rue Emile Steeno 29, Brussels, 1050, FOREIGN, Belgium |
| DAVIES, Alison Elizabeth RESIGNED | Director | 15 Oct 2023 | 10 Dec 2025 | United States | April 1968 | Abbott House, Vanwall Business Park, Vanwall Road, Maidenhead, Berkshire, SL6 4XE |
| DE LAVENNE DE LA MONTOISE, Bertrand RESIGNED | Director | 01 Jul 2013 | 12 Dec 2014 | Switzerland | June 1969 | Abbott Healthcare, Products Ltd, Mansbridge Road West End, Southampton, SO18 3JD |
| DE SLOOVER, Christian, Dr RESIGNED | Director | 01 Oct 1997 | 30 Jun 1999 | | June 1943 | 21 Avenue Marie Louise, B-1640 Rhode Saint Genese, FOREIGN, Belgium |
| DEE, Thomas Joseph RESIGNED | Director | 15 Feb 2010 | 30 Sep 2013 | United States Of America | September 1963 | Abbott House, Vanwall Business Park, Vanwall Road, Maidenhead, Berkshire, SL6 4XE |
| DUQUENNE, Thierry Amaury Adrien Marie RESIGNED | Director | 12 Dec 2006 | 01 Jan 2008 | | January 1963 | Rue Alfred Haulotte 4-B-1342, Limelette, Belgium |
| ERNST, Jurgen RESIGNED | Director | 01 Oct 1997 | 01 Jan 2005 | | September 1939 | Warandeberg 45 B-1970 Wezembeek, Oppem, Brussels |
| FREYMAN, Thomas Craig RESIGNED | Director | 15 Feb 2010 | 15 Dec 2015 | Usa | September 1954 | Abbott House, Vanwall Business Park, Vanwall Road, Maidenhead, Berkshire, SL6 4XE |
| HALL, Gary James RESIGNED | Director | 02 Oct 2015 | 27 Sep 2018 | England | February 1964 | Abbott House, Vanwall Business Park, Vanwall Road, Maidenhead, Berkshire, SL6 4XE |
| HARRIS, Neil RESIGNED | Director | 31 Aug 2018 | 25 Apr 2025 | United Kingdom | April 1974 | Abbott House, Vanwall Business Park, Vanwall Road, Maidenhead, Berkshire, SL6 4XE |
| HUDSON, Susan Michelle RESIGNED | Director | 28 Nov 2016 | 31 Aug 2018 | England | June 1966 | Abbott House, Vanwall Business Park, Vanwall Road, Maidenhead, Berkshire, SL6 4XE |
| KOZMINA, Natalia Sergeyevna RESIGNED | Director | 20 Jul 2011 | 31 May 2013 | Surrey | September 1971 | Abbott Healthcare Products Ltd, Mansbridge Road, West End, Southampton, SO18 3JD |
| KRAMMER, Karen Ann RESIGNED | Director | 01 Mar 2020 | 19 Sep 2022 | United States | October 1971 | Abbott House, Vanwall Business Park, Vanwall Road, Maidenhead, Berkshire, SL6 4XE |
| MCCOY JR, John Arthur RESIGNED | Director | 19 Sep 2022 | 15 Oct 2023 | United States | July 1969 | Abbott House, Vanwall Business Park, Vanwall Road, Maidenhead, Berkshire, SL6 4XE |
| MOUNTRICHAS, Georgios RESIGNED | Director | 27 Sep 2018 | 23 Mar 2020 | England | May 1977 | Abbott House, Vanwall Business Park, Vanwall Road, Maidenhead, Berkshire, SL6 4XE |
| PETER, John Beverly, Dr RESIGNED | Director | | 01 Jan 2008 | | March 1943 | Solvay Healthcare Ltd, Mansbridge Road, Southampton, Hampshire, SO18 3JD |
| SAKSIDA, Kristian Thomas Dominic RESIGNED | Director | 30 Sep 1999 | 30 Jun 2003 | | October 1968 | Fairwinds, 12 Bassett Wood Drive, Southampton, Hampshire, SO16 3PT |
| SMITH, Michael James RESIGNED | Director | 13 Feb 2015 | 02 Oct 2015 | United Kingdom | April 1968 | Abbott House, Vanwall Business Park, Vanwall Road, Maidenhead, Berkshire, SL6 4XE, United Kingdom |
| TRAVERSE, Bertrand RESIGNED | Director | 20 Apr 2007 | 15 Feb 2010 | | March 1950 | Rue Du Cottage, Fontaine Les Dijon, 21121, FOREIGN, France |
| VAN ROYE, Gerard Jean Marie RESIGNED | Director | 01 Jan 2008 | 15 Feb 2010 | | October 1950 | Avenue Armand Huysmans 87, 1050 Brussels, FOREIGN, Belgium |
| WEIDAUER, Thomas Jurgen, Dr RESIGNED | Director | 01 Jan 2008 | 15 Mar 2011 | | November 1955 | Solvay Healthcare Ltd, Mansbridge Road, Southampton, Hampshire, SO18 3JD |
| WEITEKAMPER, Frank RESIGNED | Director | 15 Feb 2010 | 05 Jan 2017 | United States | May 1963 | Abbott House, Vanwall Business Park, Vanwall Road, Maidenhead, Berkshire, SL6 4XE |
| WESSOLOWSKI, Jurgen RESIGNED | Director | 19 Jul 1999 | 30 Oct 2012 | | October 1951 | Im Neuen Garten 9, Wedemark, 30900, Germany |
| WITTELAAR, Joseph RESIGNED | Director | | 16 Apr 1999 | | May 1943 | Bikbergerweg 15, Huizen 1272 Pl, The Netherlands |
| YOOR, Brian RESIGNED | Director | 15 Dec 2015 | 29 Feb 2020 | United States | September 1969 | Abbott House, Vanwall Business Park, Vanwall Road, Maidenhead, Berkshire, SL6 4XE |