| TOUZALIN, Charmaine Elaine ACTIVE | Secretary | 06 Jun 2023 | | | | Fraser Road, Priory Business Park, Bedford, MK44 3BF, England |
| CULLERTON, Philip John ACTIVE | Director | 27 Mar 2026 | | Switzerland | November 1988 | Vertiv Infrastructure Limited, Priory Business Park, Bedford, MK44 3BF, England |
| OSBORNE, Lawrence Eugene ACTIVE | Director | 27 Mar 2026 | | England | August 1970 | Vertiv Infrastructure Limited, Fraser Road, Priory Business Park, Bedford, Bedford, MK44 3BF, United Kingdom |
| WOOD, Stephen Paul ACTIVE | Director | 06 Jun 2023 | | England | April 1968 | Fraser Road, Priory Business Park, Bedford, MK44 3BF, England |
| CLAPHAM, Colin Richard RESIGNED | Secretary | 24 Feb 1995 | 31 Mar 2005 | | | The Homestead, Stoke By Nayland, Colchester, Essex, CO6 4QF |
| FIELD, Teresa RESIGNED | Secretary | 31 Jan 2011 | 28 Sep 2016 | | | 44, Baker Street, London, W1U 7AL |
| MESSENT, Jon RESIGNED | Secretary | 09 Dec 2008 | 31 Dec 2010 | | | 6, Singlets Lane, Flamstead, St Albans, Hertfordshire, AL3 8EP |
| MOSS, Anthony RESIGNED | Secretary | 16 Dec 2015 | 09 Dec 2019 | | | Tor, Saint-Cloud Way, Maidenhead, SL6 8BN, United Kingdom |
| PARSONS, Ian Michael RESIGNED | Secretary | | 24 Feb 1995 | | | 44 Hayward Avenue, Little Lever, Bolton, Lancs, BL3 1NS |
| WILLIAMS, Susan RESIGNED | Secretary | 01 Apr 2005 | 09 Dec 2008 | | | Flat 3, 51 Harley Street, London, W1G 8QQ |
| WOOD, Stephen Paul RESIGNED | Secretary | 09 Dec 2019 | 06 Jun 2023 | | | Fraser Road, Priory Business Park, Bedford, MK44 3BF, England |
| ALBERTAZZI, Giordano RESIGNED | Director | 01 Sep 2014 | 12 Apr 2021 | Italy | March 1966 | Fraser Road, Priory Business Park, Bedford, MK44 3BF, England |
| AUDRAIN, Franck RESIGNED | Director | 01 Apr 2008 | 30 Sep 2009 | | October 1967 | 1, Bis Av De Montespan, Paris, 75116, France |
| BERRY, Allan Edward RESIGNED | Director | 23 Aug 1995 | 20 Dec 1996 | England | June 1943 | 20 Hatherley Court Road, Cheltenham, Gloucestershire, GL51 3AG |
| BOND, David Henry RESIGNED | Director | 01 Sep 2014 | 04 Mar 2015 | United Kingdom | March 1962 | Ebury Gate, 23 Lower Belgrave Street, London, SW1W 0NR |
| BRADBURY, James RESIGNED | Director | | 31 Oct 1995 | | October 1945 | Barnford, Holy Cross, Clent, West Midlands, DY9 9QD |
| BRAY, Ian Alexander RESIGNED | Director | 03 Apr 2000 | 30 Nov 2011 | England | November 1953 | 57 Olivers Battery Road North, Winchester, Hampshire, SO22 4JB |
| CLAPHAM, Colin Richard RESIGNED | Director | | 21 Aug 1995 | United Kingdom | December 1945 | The Homestead, Stoke By Nayland, Colchester, Essex, CO6 4QF |
| CONRAD, Anton RESIGNED | Director | 30 Nov 2011 | 01 Sep 2014 | United Kingdom | April 1971 | Ebury Gate, 23 Lower Belgrave Street, London, SW1W 0NR |
| GATTAGRISA, Paolo RESIGNED | Director | 29 Nov 2019 | 12 Apr 2021 | Italy | May 1970 | Fraser Road, Priory Business Park, Bedford, MK44 3BF, England |
| HODGKINSON, Keith Harry RESIGNED | Director | 23 Aug 1995 | 31 Mar 2000 | Enfland | November 1943 | 77 Whitmore Road, Newcastle Under Lyme, Staffordshire, ST5 3LZ |
| KAMINSKY, Jess Mitchell RESIGNED | Director | 12 May 2011 | 10 Feb 2012 | Usa | December 1958 | Ebury Gate, 23 Lower Belgrave Street, London, SW1W 0NR |
| LOWE, Andrew John RESIGNED | Director | 01 Oct 2001 | 31 Oct 2011 | United Kingdom | May 1951 | Meadow Cottage, Aston Street, Aston Tirrold, Oxfordshire, OX11 9DJ |
| LOWE, Andrew John RESIGNED | Director | 24 Aug 1995 | 31 Mar 2000 | United Kingdom | May 1951 | Meadow Cottage, Aston Street, Aston Tirrold, Oxfordshire, OX11 9DJ |
| MCLAUGHLIN, Alan David RESIGNED | Director | 05 Sep 1995 | 03 Jul 2001 | | May 1955 | Highview, Saint Johns Road, Farnham, Surrey, GU9 8NT |
| MINARRO VISERAS, Enrique RESIGNED | Director | 04 Mar 2015 | 06 May 2016 | United Kingdom | September 1977 | 3rd Floor, Accurist House, 44 Baker Street, London, W1U 7AL, United Kingdom |
| MOSCHETTO, Giovanna RESIGNED | Director | 12 Apr 2021 | 27 Mar 2026 | Italy | June 1973 | Fraser Road, Priory Business Park, Bedford, MK44 3BF, England |
| NOONAN, David Anthony RESIGNED | Director | 06 Nov 2012 | 16 Dec 2015 | England | July 1947 | 3rd Floor, Accurist House, 44 Baker Street, London, W1U 7AL, United Kingdom |
| O'KEEFFE, Michael Anthony RESIGNED | Director | 30 Nov 2011 | 27 Mar 2026 | England | January 1964 | Fraser Road, Priory Business Park, Bedford, MK44 3BF, England |
| PARSONS, Ian Michael RESIGNED | Director | | 21 Jul 1995 | | August 1946 | 44 Hayward Avenue, Little Lever, Bolton, Lancs, BL3 1NS |
| RENTON, David RESIGNED | Director | 21 Nov 1995 | 31 Mar 2008 | United Kingdom | February 1960 | Hilltop House, Swelling Hill, Ropley, Hampshire, SO24 0DA |
| ROWAN, Eamon John RESIGNED | Director | 10 Feb 2012 | 29 Nov 2019 | United Kingdom | February 1959 | Tor, Saint-Cloud Way, Maidenhead, SL6 8BN, United Kingdom |
| STEIN, Zachary RESIGNED | Director | 12 Apr 2021 | 06 Jun 2023 | England | October 1988 | Fraser Road, Priory Business Park, Bedford, MK44 3BF, England |
| UELEN, Peter RESIGNED | Director | 26 Feb 2018 | 05 Sep 2018 | Netherlands | February 1962 | Tor, Saint-Cloud Way, Maidenhead, SL6 8BN, United Kingdom |
| VASS, Michael Leslie RESIGNED | Director | 24 Aug 1995 | 31 Aug 1997 | | May 1940 | Melrose 14 Orchard Close, Copford, Colchester, Essex, CO6 1DB |
| WARNER, Neil William RESIGNED | Director | 01 Sep 1997 | 31 Dec 2010 | United Kingdom | April 1953 | Springhill, Heath Rise, Camberley, Surrey, GU15 2ER |
| WHELAN, Alan Francis RESIGNED | Director | 01 May 2017 | 31 Oct 2017 | United Kingdom | June 1961 | 3rd Floor, Accurist House, 44 Baker Street, London, W1U 7AL, United Kingdom |
| WILLIAMS, Susan RESIGNED | Director | 14 Jul 1999 | 01 Oct 2001 | | May 1955 | Flat 3, 51 Harley Street, London, W1G 8QQ |
| WRIGHT, David John RESIGNED | Director | | 30 Sep 1999 | | January 1940 | 45 Picton Way, Caversham, Reading, Berkshire, RG4 8NJ |
| YOUNG, Jeffrey John RESIGNED | Director | 30 Nov 2011 | 02 Jan 2014 | United Kingdom | March 1961 | Ebury Gate, 23 Lower Belgrave Street, London, SW1W 0NR |