| CHEESMAN, Karley Charlotte Mouatt ACTIVE | Secretary | 13 Feb 2023 | | | | Dominion Way, Worthing, West Sussex, BN14 8SA |
| FURLONG, Shaun Antony ACTIVE | Director | 08 Mar 2024 | | England | January 1976 | Dominion Way, Worthing, West Sussex, BN14 8SA |
| LLOBET, Manuel ACTIVE | Director | 01 Oct 2009 | | Spain | May 1964 | Allergy Therapeutics Plc, Dominion Way, Worthing, West Sussex, BN14 8SA |
| CARTER, Keith Iain RESIGNED | Secretary | 18 Jun 1998 | 31 Oct 2003 | | | 65 Campana Road, London, SW6 4AT |
| GOLDSBROUGH, Sara Louise RESIGNED | Secretary | 31 Oct 2016 | 10 Feb 2023 | | | Dominion Way, Worthing, West Sussex, BN14 8SA |
| POSTLETHWAITE, Ian David RESIGNED | Secretary | 01 Nov 2003 | 10 May 2016 | | | Dominion Way, Worthing, West Sussex, BN14 8SA |
| EDIS-BATES SECRETARIES LIMITED RESIGNED | Secretary | 08 Sep 2000 | 13 Aug 2001 | | | The Croft, Chalfont Lane, Chorleywood, Hertfordshire, WD3 5PP |
| HAMMOND SUDDARDS SECRETARIES LIMITED RESIGNED | Nominee Secretary | 07 Jan 1998 | 08 Sep 2000 | | | 7 Devonshire Square, London, EC2M 4YH |
| BERRY, Antony Rodney RESIGNED | Director | 29 Jan 1998 | 31 Jan 2001 | England | November 1943 | 6 Old Millmeads, Horsham, West Sussex, RH12 2LZ |
| CARTER, Keith Iain RESIGNED | Director | 01 Nov 2003 | 01 Oct 2009 | | March 1959 | Dominion Way, Worthing, West Sussex, BN14 8SA |
| CARTER, Keith Iain RESIGNED | Director | 29 Jan 1998 | 30 Sep 2002 | | March 1959 | 65 Campana Road, London, SW6 4AT |
| GOETHALS, Ignace Robert RESIGNED | Director | 01 Oct 2002 | 31 Dec 2006 | Usa | August 1945 | 401 Caversham Road, Brynmawr, Pennsylvania, Usa |
| GRATZ, Christian, Dr RESIGNED | Director | 01 Oct 2002 | 31 Mar 2011 | Germany | January 1953 | Feldweg 13, Pocking, 82343, Germany |
| HAY, Malcolm Edward RESIGNED | Director | 01 Jan 2001 | 30 Jun 2002 | | July 1954 | Walnut House, Milton, Abingdon, Oxfordshire, OX14 4BL |
| HOLDICH, Thomas Alexander Hungerford, Dr RESIGNED | Director | 01 Mar 2006 | 02 May 2012 | England | December 1958 | Dominion Way, Worthing, West Sussex, BN14 8SA |
| KOWSZUN, James Stephen Peregrine RESIGNED | Director | 29 Jan 1998 | 01 Feb 2000 | United Kingdom | August 1968 | Bancroft, Mill Road, West Chittington, West Sussex, RH22 PZ |
| LIMBURG, Klaus, Dr RESIGNED | Director | 29 Jan 1998 | 26 Mar 2001 | | November 1943 | Birkenalle 40, 82349 Pentenried, Germany, FOREIGN |
| MCVEY, Donna RESIGNED | Director | 03 Aug 2001 | 30 Sep 2002 | | January 1960 | 17 Lancaster Close, Reading, Berkshire, RG1 5HB |
| POSTLETHWAITE, Ian David RESIGNED | Director | 07 May 2002 | 10 Jun 2016 | United Kingdom | December 1962 | Dominion Way, Worthing, West Sussex, BN14 8SA |
| ROSS, Iain Gladstone RESIGNED | Director | 01 Jan 2001 | 30 Sep 2002 | England | January 1954 | Herons Ghyll, Tilford Road, Tilford, Surrey, GU10 2DD |
| TURNBULL, Andrew Peter RESIGNED | Director | 01 Oct 2002 | 31 Dec 2005 | | January 1973 | Dominion Way, Worthing, West Sussex, BN14 8SA |
| WHEELER, Alan Worland RESIGNED | Director | 07 Jan 1998 | 31 Dec 2001 | | February 1940 | 70 Littlehaven Lane, Horsham, West Sussex, RH12 4JB |
| WOLF, David John RESIGNED | Director | 02 Jul 1998 | 29 Oct 1999 | | February 1954 | 3 Old Market Square, Station Road, Steyning, West Sussex, BN44 3YY |
| WYKEMAN, Nicolas Alexander Ulrich RESIGNED | Director | 09 Jun 2016 | 30 Nov 2022 | United Kingdom | October 1964 | Dominion Way, Worthing, West Sussex, BN14 8SA |