| WRIGHT, Emma Danielle ACTIVE | Secretary | 01 Apr 2021 | | | | Uk Legal Department, Ibm United Kingdom Limited, 20 York Road, London, SE1 7ND, United Kingdom |
| ARROWSMITH, Rhodri James ACTIVE | Director | 27 Apr 2026 | | United Kingdom | February 1976 | Uk Legal Department, Ibm United Kingdom Limited, 20 York Road, London, SE1 7ND, United Kingdom |
| BALDWIN, Andrew James ACTIVE | Director | 01 Jun 2026 | | United Kingdom | July 1966 | Uk Legal Department, Ibm United Kingdom Limited, 20 York Road, London, SE1 7ND, United Kingdom |
| BUTLER, Leon Christopher ACTIVE | Director | 08 Jan 2025 | | United Kingdom | September 1974 | Uk Legal Department, Ibm United Kingdom Limited, 20 York Road, London, SE1 7ND, United Kingdom |
| LINTHWAITE, Lucy Patricia ACTIVE | Director | 10 Jun 2026 | | United Kingdom | October 1977 | Uk Legal Department, Ibm United Kingdom Limited, 20 York Road, London, SE1 7ND, United Kingdom |
| STIRLING, James Ian ACTIVE | Director | 13 Oct 2025 | | United Kingdom | June 1968 | Uk Legal Department, Ibm United Kingdom Limited, 20 York Road, London, SE1 7ND, United Kingdom |
| CAMPBELL, Duncan Montgomery RESIGNED | Secretary | | 05 Nov 1999 | | | 98 Campden Hill Road, London, W8 7AP |
| CARRUTHERS, Keith RESIGNED | Secretary | 05 Nov 1999 | 25 Mar 2003 | | | 94 Strawberry Vale, Twickenham, Middlesex, TW1 4SH |
| FERGUSON, Ian Duncan RESIGNED | Secretary | 06 Sep 2007 | 01 Apr 2021 | | | 76, Upper Ground, London, SE1 9PZ |
| JONES, Steven Alan Vaughan RESIGNED | Secretary | 25 Mar 2003 | 27 Jul 2005 | | | 42 Princedale Road, London, W11 4NL |
| SAYANI, Nuzhat RESIGNED | Secretary | 27 Jul 2005 | 06 Sep 2007 | | | Flat 6 106-110 Hallam Street, London, W1W 5HG |
| AZIZ, Javaid Khurshid, Dr RESIGNED | Director | | 31 Jan 1995 | England | May 1952 | Larksmead, Titlarks Hill, Ascot, Berkshire, SL5 0JD |
| BAGSHAW, Sharon RESIGNED | Director | 01 Apr 2021 | 02 Mar 2023 | United Kingdom | August 1965 | Uk Legal Department, Ibm United Kingdom Limited, 20 York Road, London, SE1 7ND, United Kingdom |
| BALL, James, Professor Sir RESIGNED | Director | | 18 May 1995 | | July 1933 | Timbers 8 Winchester Close, Esher, Surrey, KT10 8QH |
| BARSOUM, Khalil Emile RESIGNED | Director | 25 Feb 1997 | 25 Mar 1998 | | July 1944 | 35 Cambridge Road, Twickenham, Middlesex, TW1 1TJ |
| BROWN, Andrew Mearns RESIGNED | Director | 23 Nov 2022 | 04 Aug 2023 | United Kingdom | July 1974 | Uk Legal Department, Ibm United Kingdom Limited, 20 York Road, London, SE1 7ND, United Kingdom |
| BURNS, David RESIGNED | Director | 28 May 2010 | 13 Jun 2012 | United Kingdom | June 1966 | Uk Legal Department 2, Ibm United Kingdom Limited, 76 Upper Ground, London, SE1 9PZ, United Kingdom |
| CADBURY, George Adrian Hayhurst, Sir RESIGNED | Director | | 19 May 1994 | England | April 1929 | Rising Sun House, Bakers Lane Knowle, Solihull, West Midlands, B93 8PT |
| CHRYSTIE, William Mortimer RESIGNED | Director | 29 Apr 2009 | 10 Oct 2013 | | August 1959 | Uk Legal Department 2, Ibm United Kingdom Limited, 76 Upper Ground, London, SE1 9PZ, United Kingdom |
| CLEAVER, Anthony Brian, Sir RESIGNED | Director | | 19 May 1994 | England | April 1938 | 20 Groom Place, London, SW1X 7BA |
| COLANGELI, Tosca Maria RESIGNED | Director | 28 Apr 2020 | 12 Apr 2021 | United Kingdom | April 1967 | Ibm United Kingdom Limited (Legal Department), 76 Upper Ground, South Bank, London, SE1 9PZ, United Kingdom |
| COOK, Christopher RESIGNED | Director | 01 Apr 2021 | 17 Apr 2023 | United Kingdom | January 1975 | Uk Legal Department, Ibm United Kingdom Limited, 20 York Road, London, SE1 7ND, United Kingdom |
| CORRIGAN, Robert RESIGNED | Director | 19 Jan 1993 | 27 Apr 1994 | | August 1940 | 15 Carriage Road, Wilton, Connecticut 06897, America |
| CREASEY, Andrew James Henry RESIGNED | Director | 05 Nov 2004 | 31 Jan 2011 | | September 1962 | Uk Legal Department 2, Ibm United Kingdom Limited, 76 Upper Ground, London, SE1 9PZ, United Kingdom |
| CRUTTENDEN, Peter RESIGNED | Director | | 18 Jul 1994 | England | March 1944 | Cobblers, Mill Lane, Steep, Hampshire, GU32 2DJ |
| DE ROTHSCHILD, Evelyn, Sir RESIGNED | Director | | 31 May 1994 | United Kingdom | August 1931 | 1 St Swithins Lane, London, EC4P 4DU |
| EAGLE, Timothy Daren Matthew RESIGNED | Director | 25 Jul 2014 | 24 Mar 2026 | United Kingdom | September 1972 | Uk Legal Department, Ibm United Kingdom Limited, 20 York Road, London, SE1 7ND, United Kingdom |
| EMBURY, Andrew Michael RESIGNED | Director | 05 Nov 2004 | 31 Dec 2006 | | June 1959 | 5 Lambourne Way, Adderbury, Banbury, Oxfordshire, OX17 3PN |
| FREDERIKSEN, Eliot Geo RESIGNED | Director | 17 Oct 2023 | 08 Jan 2025 | United Kingdom | December 1976 | Uk Legal Department, 20 York Road, London, SE1 7ND, United Kingdom |
| GARCIA LATORRE, Alfonso RESIGNED | Director | 17 Apr 2023 | 13 Oct 2025 | Spain | January 1973 | Uk Legal Department, Ibm United Kingdom Limited, 20 York Road, London, SE1 7ND, United Kingdom |
| GRANGER, John RESIGNED | Director | 29 Jun 2007 | 27 Jan 2010 | | November 1960 | Ibm United Kingdom Limited, 76 Upper Ground, London, SE1 9PZ |
| GRIFFITHS, Mark RESIGNED | Director | 24 Apr 2020 | 01 Apr 2021 | United Kingdom | August 1962 | PO BOX 41, North Harbour, Portsmouth, Hampshire, PO6 3AU, United Kingdom |
| HANCOCK, Ellen Marie RESIGNED | Director | 19 Jan 1993 | 31 May 1995 | | April 1943 | Flat 2, 22 Cadogan Gardens, London, SW3 2RP |
| HILL, Naomi Juliet RESIGNED | Director | 10 Oct 2013 | 04 Jun 2016 | England | August 1961 | Ibm United Kingdom Limited, 76 Upper Ground, London, SE1 9PZ, United Kingdom |
| HIRST, Larry RESIGNED | Director | 01 Jul 1996 | 24 Jun 2008 | United Kingdom | November 1951 | Ibm United Kingdom Limited Ipg2, 76 Upper Ground, London, SE1 9PZ |
| HODSON, Nicola, Dr RESIGNED | Director | 13 Jan 2023 | 31 Jul 2026 | England | December 1966 | Uk Legal Department, Ibm United Kingdom Limited, 20 York Road, London, SE1 7ND, United Kingdom |
| KALIA, Rahul RESIGNED | Director | 23 Nov 2022 | 27 Apr 2026 | United Kingdom | July 1970 | Uk Legal Department, Ibm United Kingdom Limited, 20 York Road, London, SE1 7ND, United Kingdom |
| KELLEHER, William Anthony RESIGNED | Director | 07 Jun 2017 | 23 Nov 2022 | England | November 1963 | Uk Legal Department, Ibm United Kingdom Limited, 20 York Road, London, SE1 7ND, United Kingdom |
| KHURANA, Vineet RESIGNED | Director | 20 May 2016 | 15 Mar 2018 | United Kingdom | May 1973 | Uk Legal Department, Ibm United Kingdom Limited, 76 Upper Ground, London, SE1 9PZ, United Kingdom |
| KINGMAN, John Frank Charles, Sir RESIGNED | Director | | 18 May 1995 | | August 1939 | Stuart House, Royal Fort, Bristol, BS8 1UH |
| LAMB, James Summers RESIGNED | Director | 05 Aug 1994 | 28 Feb 2002 | England | January 1946 | 55 Links Lane, Rowlands Castle, Hampshire, PO9 6AF |
| LEONARD, Stephen Alexander RESIGNED | Director | 08 Mar 2010 | 01 Apr 2017 | England | August 1968 | Uk Legal Department 2, Ibm United Kingdom Limited, 76 Upper Ground, London, SE1 9PZ, United Kingdom |
| LOCK, Gregory Hugh RESIGNED | Director | | 05 Apr 2000 | | September 1947 | 12 Rivermead Court, Ranelagh Gardens, London, SW6 3SD |
| LOOSEMORE, Kevin RESIGNED | Director | 18 Feb 2000 | 11 Jun 2001 | United Kingdom | January 1959 | Park House, 30 Albert Road Pittville, Cheltenham, Gloucestershire, GL52 2QX |
| MARSHALL, Colin Marsh, Lord RESIGNED | Director | | 18 May 1995 | United Kingdom | November 1933 | 21 Montpelier Square, London, SW7 1JR |
| MCCLELLAND, John Ferguson RESIGNED | Director | | 31 May 1995 | United Kingdom | March 1945 | Cairnmhor Prieston Road, Bridge Of Weir, Renfrewshire, PA11 3AW |
| MCKINNEY, David E RESIGNED | Director | | 19 Jan 1993 | | November 1934 | PO BOX 3, New Canaan, Connecticut 06840, Usa |
| MORGANS, John Barrie RESIGNED | Director | | 17 Feb 1997 | | November 1941 | 18 The Fairway, Aldwick Bay, Bognor Regis, West Sussex, PO21 4ES |
| MORRISS, David RESIGNED | Director | | 02 May 1997 | England | February 1942 | Milton House, North End, Buckhurst Hill, Essex, IG9 5RA |
| REYNOLDS, Ian Tewson RESIGNED | Director | | 05 Jan 1994 | United Kingdom | December 1943 | 4 Murray Road, London, SW19 4PB |
| RILEY, Brendon James RESIGNED | Director | 24 Jun 2008 | 11 Jun 2010 | | May 1962 | Uk Legal Department 2, Ibm United Kingdom Limited, 76 Upper Ground, London, SE1 9PZ, United Kingdom |
| ROSS, Bruce RESIGNED | Director | 25 Jan 2007 | 05 Feb 2010 | | February 1962 | Ibm United Kingdom Limited, 76 Upper Ground, London, SE1 9PZ |
| SCHMELTZER, Douglas John RESIGNED | Director | 10 Oct 2013 | 01 Feb 2014 | United Kingdom | August 1958 | Uk Legal Department, Ibm United Kingdom Limited, 76 Upper Ground, London, SE1 9PZ, United Kingdom |
| SCIUTTI, Flavio RESIGNED | Director | 15 Mar 2018 | 01 Apr 2021 | Italy | November 1961 | Uk Legal Department, Ibm United Kingdom Limited, 76 Upper Ground, London, SE1 9PZ, United Kingdom |
| SELLWOOD, Brian RESIGNED | Director | 18 May 2000 | 05 Nov 2004 | | September 1947 | The Corner Cottage 45 Langstone Road, Havant, Hampshire, PO9 1RB |
| SMITH, Stephen Austin RESIGNED | Director | 25 Sep 2012 | 14 Feb 2017 | England | January 1968 | Uk Legal Department 2, Ibm United Kingdom Limited, 76 Upper Ground, London, SE1 9PZ, United Kingdom |
| STOKES, David Aaron Patrick RESIGNED | Director | 24 Jan 2013 | 05 Jun 2017 | England | December 1965 | Uk Legal Department, Ibm United Kingdom Limited, 76 Upper Ground, London, SE1 9PZ, United Kingdom |
| SYMON, Carl George RESIGNED | Director | 25 Mar 1998 | 18 Feb 2000 | | May 1946 | Flat 6, 66 Maresfield Gardens, London, NW3 5TD |
| TAYLOR, Paul RESIGNED | Director | 27 Apr 2020 | 01 Apr 2021 | United Kingdom | September 1963 | Ibm United Kingdom Limited (Legal Department), 76 Upper Ground, South Bank, London, SE1 9PZ, United Kingdom |
| TEMPLE, Nicholas John RESIGNED | Director | | 30 Apr 1996 | | October 1947 | Abrahams Cottage, Lower Slackstead, Brayshfield, Hampshire, SO51 0QJ |
| TICKELL, Crispin Charles Cervantes, Sir RESIGNED | Director | | 18 May 1995 | United Kingdom | August 1930 | Ablington Old Barn, Ablington, Cirencester, Gloucestershire, GL7 5NU |
| TICKLE, Sean Peter RESIGNED | Director | 28 Mar 2014 | 08 Feb 2017 | United Kingdom | January 1971 | Uk Legal Department, Ibm United Kingdom Limited, 76 Upper Ground, London, SE1 9PZ, United Kingdom |
| VISVANATHAN, Sreeram RESIGNED | Director | 22 Sep 2020 | 02 Mar 2023 | United Arab Emirates | March 1966 | Uk Legal Department, Ibm United Kingdom Limited, 20 York Road, London, SE1 7ND, United Kingdom |
| WHITFIELD, Brian Gerard RESIGNED | Director | 25 Sep 2012 | 28 Feb 2014 | United Kingdom | November 1966 | Uk Legal Department 2, Ibm United Kingdom Limited, 76 Upper Ground, London, SE1 9PZ, United Kingdom |
| WILSON, Stephen David RESIGNED | Director | 28 Feb 2002 | 09 Apr 2009 | England | October 1959 | Grange Lodge, 86 Heath Road, Petersfield, Hampshire, GU31 4EL |
| WYATT, Christine Jane RESIGNED | Director | 08 Mar 2010 | 18 Jul 2013 | United Kingdom | June 1964 | Uk Legal Department 2, Ibm United Kingdom Limited, 76 Upper Ground, London, SE1 9PZ, United Kingdom |