| DAWSON, Andrew Robert Anthony ACTIVE | Director | 01 Feb 2023 | | United Kingdom | January 1980 | Pure Offices, Suite 71 Brooks Drive, Cheadle Royal Business Park, Cheadle, SK8 3TD, United Kingdom |
| GRAND, Emmanuel Nicolas ACTIVE | Director | 01 Apr 2024 | | Switzerland | February 1974 | Pure Offices, Suite 71 Brooks Drive, Cheadle Royal Business Park, Cheadle, SK8 3TD, United Kingdom |
| HOLLOWAY, Guenaelle ACTIVE | Director | 01 Apr 2024 | | United Kingdom | November 1973 | Pure Offices, Suite 71 Brooks Drive, Cheadle Royal Business Park, Cheadle, SK8 3TD, United Kingdom |
| ALLNUTT, Robert Edward Bruce RESIGNED | Secretary | 27 Feb 2009 | 30 Oct 2009 | | | Rye House Shenstone Hill, Berkhamsted, Hertfordshire, HP4 2PA |
| COTTON, Richard John RESIGNED | Secretary | 30 Apr 2014 | 15 Jul 2014 | | | Suite D, Ground Floor, Breakspear Park, Breakspear Way, Hemel Hempstead, Hertfordshire, HP2 4TZ |
| HAYES, Paul Andrew RESIGNED | Secretary | 28 Feb 2018 | 07 Sep 2018 | | | Suite B Breakspear Park, Breakspear Way, Hemel Hempstead, Hertfordshire, HP2 4TZ, England |
| ILETT, John Edward RESIGNED | Secretary | 02 Nov 2015 | 28 Feb 2018 | | | Suite B Breakspear Park, Breakspear Way, Hemel Hempstead, Hertfordshire, HP2 4TZ, England |
| JACKSON, Andrew Leonard RESIGNED | Secretary | 07 Sep 2018 | 30 Apr 2020 | | | Suite B Breakspear Park, Breakspear Way, Hemel Hempstead, Hertfordshire, HP2 4TZ, England |
| KERBEY, David Terence RESIGNED | Secretary | | 01 Jul 1997 | | | Forge House Lynn Road, Hillington, Kings Lynn, Norfolk, PE31 6BJ |
| LOBO, Matthew Joseph Edwin RESIGNED | Secretary | 01 Oct 2005 | 08 Mar 2006 | | | 7 The Paddocks, Hilton, Huntingdon, Cambridgeshire, PE28 9QT |
| OWEN, Jennifer Margaret RESIGNED | Secretary | 08 Mar 2006 | 27 Feb 2009 | | | 138, Clarence Road, St Albans, Hertfordshire, AL1 4NW |
| SAUNBY, Tracy RESIGNED | Secretary | 30 Apr 2020 | 31 Jul 2020 | | | Bergen Way, North Lynn Industrial Estate, King's Lynn, Norfolk, PE30 2JJ, England |
| SCOTT, Alexandra Louise RESIGNED | Secretary | 01 Jul 1997 | 30 Sep 2005 | | | 48 St Albans Avenue, Chiswick, London, W4 5JP |
| SLATER, John RESIGNED | Secretary | 02 Nov 2009 | 30 Apr 2014 | | | Breakspear Park, Breakspear Way, Hemel Hempstead, Hertfordshire, HP2 4TZ |
| WARD, Iain Stuart RESIGNED | Secretary | 15 Jul 2014 | 02 Nov 2015 | | | Suite D, Ground Floor, Breakspear Park, Breakspear Way, Hemel Hempstead, Hertfordshire, HP2 4TZ |
| ALTMAN, William P RESIGNED | Director | 24 Sep 1993 | 31 Jan 1998 | | July 1938 | 3500 Gucci Drive, Cary, Nc 27511, Usa |
| AUER, Adrian Richard RESIGNED | Director | 01 Apr 2005 | 26 Apr 2006 | United Kingdom | February 1949 | Rme House, Coldharbour Lane, Thorpe Egham, Surrey, TW20 8TD |
| BANKS, Christopher John RESIGNED | Director | 26 Apr 2006 | 30 Aug 2012 | England | March 1950 | Copyhold, Lock Lane, Partridge Green, West Sussex, RH13 8EF |
| BARR, Robert George RESIGNED | Director | 29 Apr 1996 | 29 Oct 1999 | | May 1956 | 113 Rampton Road, Cottenham, Cambridge, Cambridgeshire, CB4 4TJ |
| BOUGHTON, Paul Victor RESIGNED | Director | 01 Jun 2006 | 10 Dec 2009 | United Kingdom | September 1955 | 11 Esher Place Avenue, Esher, Surrey, KT10 8PU |
| BRINSMEAD, Christopher David RESIGNED | Director | 07 Feb 2019 | 04 Feb 2020 | United Kingdom | March 1959 | Suite B Breakspear Park, Breakspear Way, Hemel Hempstead, Hertfordshire, HP2 4TZ, England |
| CASHMAN, John Patrick RESIGNED | Director | 20 Sep 2002 | 28 Sep 2006 | | November 1940 | 51 Wellington Road, Dublin 4, Eire, Ireland |
| CHAMBRE, Peter Alan RESIGNED | Director | 09 Mar 1994 | 29 Jul 2000 | | November 1955 | 19 Chaucer Road, Cambridge, Cambridgeshire, CB2 2EB |
| CHISHOLM, John Alexander Raymond, Sir RESIGNED | Director | 10 Sep 1999 | 08 Sep 2005 | United Kingdom | August 1946 | Batchworth Hill House London Road, Rickmansworth, Hertfordshire, WD3 1JS |
| COOKSEY, David James Scott, Sir RESIGNED | Director | 21 Dec 1993 | 20 Jan 2004 | | May 1940 | Advent Venture Partners, 25 Buckingham Gate, London, SW1E 6LD |
| COTTON, Richard John RESIGNED | Director | 25 Jun 2012 | 13 Dec 2016 | England | January 1961 | Suite D, Ground Floor, Breakspear Park, Breakspear Way, Hemel Hempstead, Hertfordshire, HP2 4TZ |
| CRUMMETT, Stephen Paul RESIGNED | Director | 13 Jun 2012 | 04 Feb 2020 | England | February 1965 | Suite B Breakspear Park, Breakspear Way, Hemel Hempstead, Hertfordshire, HP2 4TZ, England |
| DICK, James Lawrence RESIGNED | Director | 26 Apr 2006 | 30 Aug 2012 | England | October 1952 | Broomhill, 16a Humber Road, North Ferriby, North Humberside, HU14 3DW |
| DRUMMOND, Lynn, Dr RESIGNED | Director | 09 Feb 2011 | 14 Jul 2014 | England | August 1959 | Suite D, Ground Floor, Breakspear Park, Breakspear Way, Hemel Hempstead, Hertfordshire, HP2 4TZ |
| DUNNE, Patrick Joseph RESIGNED | Director | | 29 Mar 1996 | United Kingdom | March 1945 | 43 The Howards, North Wootton, Kings Lynn, Norfolk, PE30 3RS |
| ELDERED, Thomas Bengt RESIGNED | Director | 04 Feb 2020 | 15 Mar 2021 | Sweden | October 1960 | Recipharm Ab (Publ), Box 603, Stockholm, 101 32, Sweden |
| FELLNER, Peter John, Dr RESIGNED | Director | 14 Nov 2005 | 24 Apr 2019 | United Kingdom | December 1943 | Suite B Breakspear Park, Breakspear Way, Hemel Hempstead, Hertfordshire, HP2 4TZ, England |
| FITZWILLIAMS, Duncan John Lloyd RESIGNED | Director | | 10 Sep 1999 | United Kingdom | May 1943 | 31 Old Burlington Street, London, W1S 3AS |
| GINMAN, Maria Charlotta RESIGNED | Director | 11 Feb 2015 | 04 Feb 2020 | England | May 1965 | Suite B Breakspear Park, Breakspear Way, Hemel Hempstead, Hertfordshire, HP2 4TZ, England |
| GLENN, Jonathan Martin RESIGNED | Director | 11 Sep 2006 | 04 Feb 2020 | United Kingdom | November 1968 | Suite B Breakspear Park, Breakspear Way, Hemel Hempstead, Hertfordshire, HP2 4TZ, England |
| HAYES, Paul Andrew RESIGNED | Director | 01 May 2017 | 04 Feb 2020 | England | October 1966 | Suite B Breakspear Park, Breakspear Way, Hemel Hempstead, Hertfordshire, HP2 4TZ, England |
| HICKS, Alun George RESIGNED | Director | | 23 Sep 1994 | England | September 1949 | Westways, Tintagel Road Finchampstead, Wokingham, Berkshire, RG40 3JJ |
| HIGGINS, Nicolas Andrew RESIGNED | Director | 01 Jan 2011 | 28 Feb 2013 | England | September 1956 | Suite D, Ground Floor, Breakspear Park, Breakspear Way, Hemel Hempstead, Hertfordshire, HP2 4TZ |
| HILAIRE, Jean-Francois RESIGNED | Director | 15 Mar 2021 | 01 Nov 2022 | France | July 1964 | Recipharm Ab, Box 603, Stockholm, SE-101 32, Sweden |
| HIRST, Christopher Anthony RESIGNED | Director | 01 Nov 2022 | 01 Apr 2024 | United Kingdom | April 1977 | Bergen Way, North Lynn Industrial Estate, King's Lynn, Norfolk, PE30 2JJ, England |
| HOPCROFT, Martin Peter RESIGNED | Director | 05 Nov 2002 | 26 Jul 2006 | | August 1960 | 1 The Pastures, Edlesborough, Dunstable, Bedfordshire, LU6 2HL |
| HOSTY, Andrew Joseph, Dr RESIGNED | Director | 14 Jul 2014 | 04 Feb 2020 | England | February 1965 | Suite B Breakspear Park, Breakspear Way, Hemel Hempstead, Hertfordshire, HP2 4TZ, England |
| JENKINS, William John, Dr RESIGNED | Director | 06 May 2009 | 04 Feb 2020 | Switzerland | August 1947 | Suite B Breakspear Park, Breakspear Way, Hemel Hempstead, Hertfordshire, HP2 4TZ, England |
| KENNEDY, George Macdonald RESIGNED | Director | 29 Aug 2006 | 01 Sep 2011 | | August 1940 | Breakspear Park, Breakspear Way, Hemel Hempstead, Hertordshire, HP2 4UL |
| KING, Robert Harmer RESIGNED | Director | | 06 Sep 1995 | | June 1929 | Grymsdyke Farm, Main Road, Lacey Green, Princes Risborough, Buckinghamshire, HP27 0RB |
| KLUG, Oren RESIGNED | Director | 15 Mar 2022 | 01 Apr 2024 | United Kingdom | September 1984 | Bergen Way, North Lynn Industrial Estate, King's Lynn, Norfolk, PE30 2JJ, England |
| LILLEY, John RESIGNED | Director | | 31 May 1996 | | March 1947 | Heath House, Hillington, Kings Lynn, Norfolk, PE31 6BZ |
| LODGE, Lisa RESIGNED | Director | 06 May 2022 | 01 Feb 2023 | England | October 1986 | Bergen Way, North Lynn Industrial Estate, King's Lynn, Norfolk, PE30 2JJ, England |
| MANN, Roger RESIGNED | Director | 31 Jan 1997 | 21 Sep 2001 | | June 1939 | Lydstep House, Brackley Avenue, Hartley Wintney, Hook, Hampshire, RG27 8QU |
| MEREDITH, William George RESIGNED | Director | 04 Jul 2000 | 28 Sep 2006 | | September 1943 | 8484 Lake Elmo Avenue North, Stillwater, Minnesota 55082, FOREIGN, Usa |
| NICHOLSON, Ian James RESIGNED | Director | 13 Jun 2012 | 04 Feb 2020 | England | August 1960 | Suite B Breakspear Park, Breakspear Way, Hemel Hempstead, Hertfordshire, HP2 4TZ, England |
| PREECE, Robert John RESIGNED | Director | 03 Apr 1995 | 05 Nov 2002 | | June 1950 | Greenacre, Castle Street, Wallingford, Oxfordshire, OX10 8DL |
| QUICK, Mark Royston RESIGNED | Director | 04 Feb 2020 | 15 Mar 2022 | England | May 1966 | Bergen Way, North Lynn Industrial Estate, King's Lynn, Norfolk, PE30 2JJ, England |
| ROBINSON, John Harris RESIGNED | Director | 20 Jan 2004 | 30 Apr 2009 | England | December 1940 | 20 Mill Lane, Elloughton, Brough, East Yorkshire, HU15 1JL |
| ROXIN, Daniela Sylvia Beate, Dr. RESIGNED | Director | 01 May 2021 | 01 Nov 2022 | Germany | March 1968 | Bergen Way, North Lynn Industrial Estate, King's Lynn, Norfolk, PE30 2JJ, England |
| SCHUMANN, Andrew Anthony RESIGNED | Director | | 22 Sep 2000 | United Kingdom | September 1938 | Oak Lodge Common Lane, South Wootton, Kings Lynn, Norfolk, PE30 3HW |
| SCHUMANN, Michael Alec RESIGNED | Director | | 01 Sep 1993 | United Kingdom | January 1942 | Hall Farm Old Church Road, Snettisham, Kings Lynn, Norfolk, PE31 7LY |
| TALBOT, Michael Alan RESIGNED | Director | | 30 Apr 1999 | | November 1946 | 15 Collier Way, Stapleford, Cambridge, Cambridgeshire, CB2 5DZ |
| TAYLOR, Paul RESIGNED | Director | 04 Jul 2000 | 31 Jul 2002 | | August 1962 | Quarry House, 47 Moreton Road, Buckingham, MK18 1JZ |
| THRODAHL, Mark Crandall RESIGNED | Director | 07 Jun 2001 | 05 Dec 2007 | | March 1951 | 38 Carteret Road, Allendale, New Jersey 07401, Usa |
| WOOLRYCH, Toby Richard RESIGNED | Director | 01 Oct 2008 | 25 Jun 2012 | United Kingdom | September 1966 | Suite D, Ground Floor, Breakspear Park, Breakspear Way, Hemel Hempstead, Hertfordshire, HP2 4TZ |