| GRAHAMSLAW, Ian ACTIVE | Secretary | 29 Jun 2023 | | | | Beech House, Ancells Business Park, Ancells Road, Fleet, GU51 2UN, England |
| BEAUCHAMP, Kevin ACTIVE | Director | 15 Mar 2004 | | United Kingdom | September 1960 | 14 Brinksway, Fleet, Hants, GU51 3LZ |
| DEFLINE, Olivier Marie Jérôme Jean ACTIVE | Director | 01 Oct 2025 | | France | May 1973 | Beech House, Ancells Business Park, Ancells Road, Fleet, GU51 2UN, England |
| EVANS, Stephen Roy ACTIVE | Director | 22 Apr 2026 | | United Kingdom | November 1974 | Beech House, Ancells Business Park, Ancells Road, Fleet, GU51 2UN, England |
| PRINSLOO, Jaco ACTIVE | Director | 16 Apr 2026 | | England | March 1973 | Beech House, Ancells Road, Fleet, GU51 2UN, England |
| ZOMER, Christianus Mijnardus ACTIVE | Director | 01 Feb 2026 | | Netherlands | March 1980 | Beech House, Ancells Business Park, Ancells Road, Fleet, GU51 2UN, England |
| FORD, Stephen Owen RESIGNED | Secretary | 28 Jul 1992 | 15 Mar 2004 | | | 1 Westbrook Close, Oakley, Basingstoke, Hampshire, RG23 7HW |
| RICHARDS, Michael Roy RESIGNED | Secretary | 23 Aug 2013 | 02 Jun 2023 | | | Biopharma House, Winnall Valley Road, Winnall, Winchester, Hampshire, SO23 0LD, England |
| ROBERTSON, Stephen Duncan RESIGNED | Secretary | 15 Mar 2004 | 23 Aug 2013 | | | 31 Arundel Road, Camberley, Surrey, GU15 1DL |
| SWIFT INCORPORATIONS LIMITED RESIGNED | Nominee Secretary | 28 Jul 1992 | 28 Jul 1992 | | | 26, Church Street, London, NW8 8EP |
| BREMMER, Vincent Johan RESIGNED | Director | 02 Jun 2023 | 01 Oct 2025 | Netherlands | April 1974 | Beech House, Ancells Business Park, Ancells Road, Fleet, GU51 2UN, England |
| BUSHELL, Christopher John RESIGNED | Director | 28 Jul 1992 | 15 Mar 2004 | | December 1953 | 21 The Birches, Farnborough, Hampshire, GU14 9RP |
| CASTANGIA, Roberto RESIGNED | Director | 01 Jul 2019 | 02 Jun 2023 | England | January 1979 | Biopharma House, 9, Winnall Valley Road, Winnall, Winchester, SO23 0LD, United Kingdom |
| COWEN, Andrew Edward RESIGNED | Director | 23 Aug 2013 | 02 Jun 2023 | England | February 1958 | Biopharma House, Winnall Valley Road, Winnall, Winchester, Hampshire, SO23 0LD, England |
| FORD, Stephen Owen RESIGNED | Director | 28 Jul 1992 | 15 Mar 2004 | | March 1944 | 1 Westbrook Close, Oakley, Basingstoke, Hampshire, RG23 7HW |
| HACKETT, Frank James RESIGNED | Director | 01 Jan 2019 | 26 Feb 2021 | England | April 1990 | Biopharma House, 9, Winnall Valley Road, Winnall, Winchester, SO23 0LD, United Kingdom |
| HOWELLS, Andrew John RESIGNED | Director | 01 Jan 2019 | 02 Jun 2023 | England | May 1967 | Biopharma House, 9, Winnall Valley Road, Winnall, Winchester, SO23 0LD, United Kingdom |
| RICHARDS, Michael Roy RESIGNED | Director | 23 Aug 2013 | 02 Jun 2023 | England | July 1951 | Biopharma House, Winnall Valley Road, Winnall, Winchester, Hampshire, SO23 0LD, England |
| ROBERTSON, Stephen Duncan RESIGNED | Director | 15 Mar 2004 | 31 Jan 2017 | England | June 1960 | 31 Arundel Road, Camberley, Surrey, GU15 1DL |
| WOLFF, Robert RESIGNED | Director | 02 Jun 2023 | 01 Feb 2026 | Netherlands | March 1974 | Beech House, Ancells Business Park, Ancells Road, Fleet, GU51 2UN, England |