| BATES, Katie Anne ACTIVE | Secretary | 01 Aug 2023 | | | | Kyoto Close, Moulton Park Industrial Estate, Northampton, NN3 6FL, England |
| ALLEN, Declan Joseph ACTIVE | Director | 01 Apr 2026 | | England | September 1966 | Kyoto Close, Moulton Park Industrial Estate, Northampton, NN3 6FL, England |
| CARTER, Richard George ACTIVE | Director | 26 Jul 2017 | | England | January 1977 | Horiba Uk Ltd, Kyoto Close, Moulton Park Industrial Estate, Northampton, NN3 6FL, England |
| GILLESPIE, George Thompson, Dr ACTIVE | Director | 01 Apr 2024 | | England | June 1963 | Kyoto Close, Moulton Park Industrial Estate, Northampton, NN3 6FL, England |
| KNIGHT, Stuart Alan ACTIVE | Director | 25 Sep 2012 | | England | April 1968 | 1, Kyoto Close, Moulton Park Industrial Estate, Northampton, NN3 6FL, United Kingdom |
| MIYAJI, Hiroyuki ACTIVE | Director | 01 Apr 2023 | | Japan | April 1986 | Kyoto Close, Moulton Park Industrial Estate, Northampton, NN3 6FL, England |
| BENATTAR, Christine RESIGNED | Secretary | | 01 Feb 2008 | | | Fyffe Northfield Avenue, Pinner, Middx, HA5 1AR |
| HESKINS, David John RESIGNED | Secretary | 01 Feb 2008 | 31 Jul 2023 | | | Kyoto Close, Moulton Park Industrial Estate, Northampton, NN3 6FL, England |
| BAUDRON, Michel RESIGNED | Director | | 27 Sep 2004 | | June 1939 | 6 Place Du Pantheon, Paris 5 Eme, FOREIGN, France |
| BENATTAR, Allen RESIGNED | Director | | 30 Nov 2010 | United Kingdom | October 1942 | Fyffe Northfield Avenue, Pinner, Middx, HA5 1AR |
| CULLERON, Michel RESIGNED | Director | | 15 Sep 1997 | | November 1939 | 2 Allee Carte Vemet, Reil Marlmaisan 92500, France |
| DRAKE, Richard Charles RESIGNED | Director | 25 Sep 2012 | 30 Jun 2019 | England | January 1949 | 1, Kyoto Close, Moulton Park Industrial Estate, Northampton, NN3 6FL, United Kingdom |
| DREWRY, David RESIGNED | Director | 15 Aug 2014 | 09 Mar 2020 | England | March 1958 | C/O Horiba Uk Ltd, Kyoto Close, Moulton Park Industrial Estate, Northampton, NN3 6FL, England |
| EATON, Jonathan Andrew RESIGNED | Director | 25 Sep 2012 | 30 Jun 2014 | United Kingdom | July 1959 | 1, Kyoto Close, Moulton Park Industrial Estate, Northampton, NN3 6FL, United Kingdom |
| FUKUSHIMA, Takeshi RESIGNED | Director | 26 Jan 2018 | 01 Apr 2022 | England | July 1966 | Kyoto Close, Moulton Park Industrial Estate, Northampton, NN3 6FL, England |
| HAYAT, Gilbert, Dr RESIGNED | Director | | 01 Feb 2007 | | May 1944 | 148 Mason Drive, Metuchen Nj 08840, FOREIGN, Usa |
| KAWAMURA, Hiroshi RESIGNED | Director | 15 Aug 2014 | 01 Apr 2018 | England | September 1965 | C/O Horiba Uk Ltd, Kyoto Close, Moulton Park Industrial Estate, Northampton, NN3 6FL, England |
| KEMP, Christopher William RESIGNED | Director | 11 Jan 2005 | 24 Jan 2019 | United Kingdom | January 1959 | Kyoto Close, Moulton Park Industrial Estate, Northampton, NN3 6FL, England |
| MARITON, Michel, Dr RESIGNED | Director | 27 Sep 2004 | 25 Sep 2012 | France | September 1959 | 28 Rue Des Fonds Jouy-En-Josas, 78350, France |
| OKAWA, Masao RESIGNED | Director | 01 Apr 2018 | 01 Apr 2023 | Japan | March 1966 | Kyoto Close, Moulton Park Industrial Estate, Northampton, NN3 6FL, England |
| SHEPPARD, David William, Dr RESIGNED | Director | 11 Jan 2005 | 25 Sep 2012 | United Kingdom | September 1957 | 18 Betley Close, Northwich, Cheshire, CW9 8SG |
| WRIGHT, Cleveland George RESIGNED | Director | 25 Sep 2012 | 29 Apr 2024 | United Kingdom | September 1958 | 1, Kyoto Close, Moulton Park Industrial Estate, Northampton, NN3 6FL, United Kingdom |