| PRIOR, Karen Lesley ACTIVE | Secretary | 01 Oct 2009 | | | | Unit 5, Manton Wood Enterprise Park, Worksop, Nottinghamshire, S80 2RS |
| EDWARDS, Richard Peter ACTIVE | Director | 28 Nov 2006 | | Northern Ireland | December 1965 | Unit 5, Manton Wood Enterprise Park, Worksop, Nottinghamshire, S80 2RS |
| POLLOCK, Timothy Hugo ACTIVE | Director | 01 Aug 2023 | | England | December 1958 | Unit 5, Manton Wood Enterprise Park, Worksop, Nottinghamshire, S80 2RS |
| PRIOR, Karen Lesley ACTIVE | Director | 01 Oct 2009 | | England | May 1960 | Unit 5, Manton Wood Enterprise Park, Worksop, Nottinghamshire, S80 2RS |
| ROBINSON, Matthew Seymour ACTIVE | Director | 11 Jan 2021 | | England | May 1959 | Unit 5, Manton Wood Enterprise Park, Worksop, Nottinghamshire, S80 2RS |
| WILSON, Marc Charles ACTIVE | Director | 01 Jul 2021 | | England | January 1988 | Unit 5, Manton Wood Enterprise Park, Worksop, Nottinghamshire, S80 2RS |
| BURDEN, Nigel RESIGNED | Secretary | 11 Apr 1997 | 08 Oct 1998 | | | 67 Wentworth Drive, Dartford, Kent, DA1 3NQ |
| TROUSE, Julia RESIGNED | Secretary | 01 Sep 2008 | 01 Oct 2009 | | | 22, Geralds Grove, Banstead, Surrey, SM7 1NE |
| CARGIL MANAGEMENT SERVICES LIMITED RESIGNED | Secretary | 18 Nov 1998 | 15 Dec 2005 | | | 22 Melton Street, London, NW1 2BW |
| CARGIL MANAGEMENT SERVICES LIMITED RESIGNED | Nominee Secretary | 07 Apr 1997 | 11 Apr 1997 | | | 22 Melton Street, Euston Square, London, NW1 2BW |
| ECO ANIMAL HEALTH GROUP PLC RESIGNED | Secretary | 15 Dec 2005 | 01 Sep 2008 | | | 78 Coombe Road, New Malden, Surrey, KT3 4QS |
| ALLUM, Helen Catherine RESIGNED | Director | 01 Feb 2021 | 29 Jun 2023 | United Kingdom | July 1965 | Unit 5, Manton Wood Enterprise Park, Worksop, Nottinghamshire, S80 2RS |
| BAMFORD, Stephen James RESIGNED | Director | 11 Apr 1997 | 29 Oct 1999 | | May 1950 | Glengarden Farmleigh Grove, Burwood Park, Walton On Thames, Surrey, KT12 5BU |
| BULLEN, David Michael Alexander RESIGNED | Director | 13 Oct 2009 | 13 Jan 2016 | United Kingdom | March 1973 | Unit 5, Manton Wood Enterprise Park, Worksop, Nottinghamshire, S80 2RS |
| BURDEN, Nigel RESIGNED | Director | 11 Apr 1997 | 08 Oct 1998 | | January 1957 | 67 Wentworth Drive, Dartford, Kent, DA1 3NQ |
| CAMPBELL, William Guy RESIGNED | Director | 11 Apr 1997 | 17 Apr 2000 | | July 1959 | Flat 1 88 Sutherland Avenue, London, W9 2QR |
| DODD, George Henry RESIGNED | Director | 11 Apr 1997 | 10 Oct 2002 | United Kingdom | October 1942 | Tigh-Na-Fois, Mellon Charles, Ault Bea, Wester Ross, IV22 2JL, Scotland |
| GRAY, Ian Archie RESIGNED | Director | 01 May 2000 | 09 Feb 2001 | England | October 1953 | 6 Baronsmead Road, London, SW13 9RR |
| GYLE-THOMPSON, David Courtenay Gladstone RESIGNED | Director | 09 Feb 2001 | 06 Jul 2006 | United Kingdom | September 1943 | 26 Adam & Eve Mews, London, W8 6UJ |
| HAMILTON, John Ian RESIGNED | Director | 01 Apr 2021 | 18 Apr 2022 | Scotland | May 1963 | Unit 5, Manton Wood Enterprise Park, Worksop, Nottinghamshire, S80 2RS |
| HILL, John Anthony Crassweller RESIGNED | Director | 19 Sep 2001 | 15 Jun 2002 | | August 1938 | 48 Moreton Street, London, SW1V 2PB |
| KLEEMAN, Peter John RESIGNED | Director | 01 Nov 1999 | 20 Mar 2000 | | December 1943 | Penthouse 1 Whitelands House, Cheltenham Terrace, London, SW3 4QX |
| LAWRENCE, Peter Anthony RESIGNED | Director | 24 Aug 2005 | 18 Jun 2021 | United Kingdom | July 1948 | Unit 5, Manton Wood Enterprise Park, Worksop, Nottinghamshire, S80 2RS |
| LOFTUS, John Brian RESIGNED | Director | 14 Jan 2004 | 30 Sep 2005 | Wales | September 1941 | 1 Sketty Park Road, Sketty, Swansea, West Glamorgan, SA2 9AS |
| MCNEILE, Lindsay James RESIGNED | Director | 29 Aug 2001 | 29 May 2003 | United Kingdom | February 1948 | 43 Fentiman Road, London, SW8 1LH |
| NICHOLLS, Mark Rowland RESIGNED | Director | 28 Aug 2007 | 26 Apr 2010 | | February 1949 | 64a Ember Lane, Esher, Surrey, KT10 8EP |
| PAGE, Robert Anthony RESIGNED | Director | 11 Apr 1997 | 09 Feb 2001 | | March 1949 | 123 Leander Road, London, SW2 2NB |
| ROSE, Richard Sidney RESIGNED | Director | 17 Mar 2005 | 01 Sep 2017 | England | February 1956 | 11, Regents Park Terrace, London, NW1 7EE, England |
| SCOTT, Nicholas Colin Jack RESIGNED | Director | 09 Feb 2001 | 06 Jul 2006 | | December 1950 | 97 Albert Bridge Road, London, SW11 4JF |
| SCRAGG, Richard Harry RESIGNED | Director | 30 Sep 2009 | 31 May 2012 | England | July 1954 | Ellington, Tattershall Drive, Nottingham, NG7 1AD |
| WOOD, Richard Kenneth RESIGNED | Director | 01 Nov 2017 | 31 Mar 2021 | England | December 1944 | Unit 5, Manton Wood Enterprise Park, Worksop, Nottinghamshire, S80 2RS |
| CARGIL MANAGEMENT SERVICES LIMITED RESIGNED | Director | 07 Apr 1997 | 11 Apr 1997 | | | 22 Melton Street, London, NW1 2BW |
| LEA YEAT LIMITED RESIGNED | Nominee Director | 07 Apr 1997 | 11 Apr 1997 | | | 22 Melton Street, Euston Square, London, NW1 2BW |