| MAC LEAN, Victoria Ann, Mrs ACTIVE | Secretary | 18 Dec 2015 | | | | C/O Abb Limited, Daresbury Park, Daresbury, Warrington, Cheshire, WA4 4BT, United Kingdom |
| LOWEN, David Kevin ACTIVE | Director | 11 Aug 2021 | | England | August 1965 | Abb Limited, Daresbury Park, Daresbury, Warrington, Cheshire, WA4 4BT, England |
| MAC LEAN, Victoria Ann ACTIVE | Director | 20 Oct 2023 | | United Kingdom | January 1983 | Abb Limited, Daresbury Park, Daresbury, Warrington, Cheshire, WA4 4BT, England |
| MOUSSA, Malgorzata Elzbieta ACTIVE | Director | 02 Dec 2019 | | England | September 1974 | 3100, Daresbury Park, Daresbury, Warrington, Cheshire, WA4 4BT, England |
| BURDETT, Neil Robert RESIGNED | Secretary | 01 Jul 1994 | 02 Dec 2002 | | | 5 Oak House Parson Street, Hendon, London, NW4 1QJ |
| CLEWS, Simon Paul RESIGNED | Secretary | 02 Dec 2002 | 05 Jul 2006 | | | 25 Penners Gardens, Surbiton, Surrey, KT6 6JW |
| DIAMOND, Steven John RESIGNED | Secretary | 05 Jul 2006 | 04 Jan 2007 | | | 41 Aintree Drive, Downend, Bristol, Avon, BS16 6SY |
| SMITH, Alan RESIGNED | Secretary | | 01 Jul 1994 | | | 37 Pattison Road, London, NW2 2HL |
| SMITH, JR, William David RESIGNED | Secretary | 01 Oct 2010 | 18 Dec 2015 | | | 27-28, Eastcastle Street, London, W1W 8DH, United Kingdom |
| VITTY, Martyn John RESIGNED | Secretary | 04 Jan 2007 | 01 Oct 2010 | | | Cmg House, Station Road, Coleshill, Birmingham, West Midlands, B46 1HT, United Kingdom |
| ALYEA, David Leslie RESIGNED | Director | 28 Jun 2013 | 10 Dec 2015 | United States | October 1959 | 27-28, Eastcastle Street, London, W1W 8DH, United Kingdom |
| ANDERSSON, Lena Maria RESIGNED | Director | 18 Dec 2015 | 02 Dec 2019 | England | September 1966 | C/O Abb Limited, Daresbury Park, Daresbury, Warrington, Cheshire, WA4 4BT, United Kingdom |
| CLEWS, Simon Paul RESIGNED | Director | 02 Dec 2002 | 05 Jul 2006 | | March 1963 | 25 Penners Gardens, Surbiton, Surrey, KT6 6JW |
| DIAMOND, Steven John RESIGNED | Director | 02 Dec 2002 | 04 Jan 2007 | England | January 1966 | 41 Aintree Drive, Downend, Bristol, Avon, BS16 6SY |
| FUNNELL, Ian Grant RESIGNED | Director | 18 Dec 2015 | 02 Dec 2019 | United Kingdom | January 1957 | C/O Abb Limited, Daresbury Park, Daresbury, Warrington, Cheshire, WA4 4BT, United Kingdom |
| GOODING, Brian Edward RESIGNED | Director | | 01 Jul 1994 | | January 1935 | 26 Downs Road, Epsom, Surrey, KT18 5JD |
| HAWKES, Jeffrey Michael RESIGNED | Director | 30 Nov 1996 | 02 Dec 2002 | | May 1947 | 8 St Faiths Close, Newton Longville, Milton Keynes, Buckinghamshire, MK17 0BA |
| HUGHES, David John RESIGNED | Director | 02 Dec 2019 | 16 Dec 2022 | England | December 1966 | 3100, Daresbury Park, Daresbury, Warrington, Cheshire, WA4 4BT, England |
| MARSTON, Anthony Dion RESIGNED | Director | 18 Dec 2015 | 19 Jul 2018 | United Kingdom | October 1956 | C/O Abb Limited, Daresbury Park, Daresbury, Warrington, Cheshire, WA4 4BT, United Kingdom |
| MCKINLAY, Duncan Alexander RESIGNED | Director | 04 Jan 2007 | 30 Aug 2011 | United Kingdom | August 1959 | 27/28, Eastcastle Street, London, W1W 8DH, United Kingdom |
| NICHOLL, David William RESIGNED | Director | 20 Jul 2018 | 10 Aug 2021 | Northern Ireland | September 1969 | Daresbury Park, Daresbury, Warrington, Cheshire, WA4 4BT, United Kingdom |
| PENN, David Alfred RESIGNED | Director | 01 Aug 2001 | 02 Dec 2002 | England | February 1958 | 2 Salmons Lane, Middleton Cheney, Banbury, Oxon, OX17 2NF |
| PRENDERGAST, Craig RESIGNED | Director | 16 Dec 2022 | 20 Oct 2023 | United Kingdom | December 1977 | Abb Limited, Daresbury Park, Daresbury, Warrington, Cheshire, WA4 4BT, England |
| REID, Austen David RESIGNED | Director | 02 Dec 2002 | 04 Jan 2007 | | July 1953 | Ashley Cottage, Camilla Drive, Westhumble, Dorking, Surrey, RH5 6BU |
| RUTTER, Lee Francis RESIGNED | Director | 02 Dec 2002 | 04 Jan 2007 | England | May 1963 | 3 Lydiard Green, Lydiard Millicent, Swindon, Wiltshire, SN5 3LP |
| SARGEANT, Kevin RESIGNED | Director | 02 Dec 2002 | 04 Jan 2007 | England | March 1957 | Rowgardens, Horsham Road, Cranleigh, Surrey, GU6 8EJ |
| SMITH, Alan RESIGNED | Director | 01 Jul 1994 | 01 Aug 2001 | | May 1938 | 37 Pattison Road, London, NW2 2HL |
| SMITH, JR, William David RESIGNED | Director | 01 Oct 2010 | 21 Dec 2015 | Usa | July 1963 | 27-28, Eastcastle Street, London, W1W 8DH, United Kingdom |
| VAN BELLE, Fabrice Jean-Pierre RESIGNED | Director | 01 Oct 2010 | 10 Dec 2015 | Belgium | May 1966 | 27-28, Eastcastle Street, London, W1W 8DH, United Kingdom |
| VITTY, Martyn John RESIGNED | Director | 04 Jan 2007 | 01 Oct 2010 | England | October 1975 | Ardenlaw, Ardens, Grafton, Alcester, Warwickshire, B49 6DT, United Kingdom |
| WEAVER, William Edward RESIGNED | Director | 01 Oct 2010 | 28 Jun 2013 | United States | May 1963 | 27-28, Eastcastle Street, London, W1W 8DH, United Kingdom |
| WENZERUL, Martyn RESIGNED | Director | | 30 Nov 1996 | | July 1934 | 2 Angel Cottages Milespit Hill, Mill Hill, London, NW7 1RD |