| WILLIAMSON, Geordie Archibald Mallam, Baron ACTIVE | Director | 19 Apr 2025 | | Australia | August 1972 | Bankside 300, Peachman Way, Broadland Business Park, Norwich, Norfolk, NR7 0LB, United Kingdom |
| WILLIAMSON, Guthrie John ACTIVE | Director | 20 Oct 2016 | | Australia | April 1975 | Bankside 300, Peachman Way, Broadland Business Park, Norwich, Norfolk, NR7 0LB, United Kingdom |
| GIBBS, John Kenneth Andrew RESIGNED | Secretary | | 30 Sep 1997 | | | White Cottage, Cade Street, Heathfield, East Sussex, TN21 9BP |
| HUGHES, James Hugh RESIGNED | Secretary | 30 Sep 1997 | 12 Mar 2015 | | | 57 Elstree Road, Bushey Heath, Hertfordshire, WD23 4GJ |
| BELL, Peter Gray RESIGNED | Director | | 30 Apr 1997 | | May 1940 | 69 Culverden Park, Tunbridge Wells, Kent, TN4 9QS |
| ELLIS, Jean RESIGNED | Director | 16 Aug 1999 | 24 Jul 2013 | Wales | May 1969 | The Old Vicarage, Vicarage Road, Rhydymwyn, Mold, Clwyd, CH7 5HL |
| FINDLATER, Patrick William Lawford RESIGNED | Director | | 30 Sep 1995 | | March 1945 | 3 Newport Road, Barnes, London, SW13 9PE |
| GARNETT, John Howard William RESIGNED | Director | 23 Aug 1995 | 31 Dec 2002 | | October 1947 | Mayfield 21 Argarmeols Road, Formby, Liverpool, Merseyside, L37 7BX |
| GIBBS, John Kenneth Andrew RESIGNED | Director | | 30 Sep 1997 | | October 1948 | White Cottage, Cade Street, Heathfield, East Sussex, TN21 9BP |
| GOODE, James Richard RESIGNED | Director | 30 Apr 2015 | 20 Oct 2016 | United Kingdom | March 1976 | 2nd Floor, 25 Berkeley Square, London, W1J 6HB |
| HOGAN, Peter John RESIGNED | Director | | 25 Aug 1995 | | August 1930 | 6 Lych Way, Horsell, Woking, Surrey, GU21 4QG |
| HOWE, David RESIGNED | Director | 15 May 1998 | 02 Aug 1999 | | May 1942 | 3 Benty Farm Grove, Irby, Wirral, L61 3YB |
| HUGHES, James Hugh RESIGNED | Director | 22 May 2000 | 16 Dec 2013 | England | February 1952 | 57 Elstree Road, Bushey Heath, Hertfordshire, WD23 4GJ |
| NEWNS, Paul RESIGNED | Director | 23 Aug 1995 | 27 Feb 2001 | United Kingdom | March 1947 | Garden Cottage, Cobblers Cross Lane, Tarporley, Cheshire, CW6 0DJ |
| RAISBECK, John Bruce RESIGNED | Director | 23 Aug 1995 | 06 May 1998 | | February 1944 | 31 Station Road, Ainsdale, Southport, Merseyside, PR8 3HN |
| ROBINSON, John Robert RESIGNED | Director | | 06 Oct 1994 | | October 1939 | Thames Gate Mews 39 Ditton Reach, Thames Ditton, Surrey, KT7 0XB |
| SUTER, Reto RESIGNED | Director | 04 Dec 2013 | 20 Oct 2016 | Switzerland | October 1971 | Office 7, 35-37 Ludgate Hill, London, EC4M 7JN, England |
| TARSH, Philip Maurice RESIGNED | Director | | 29 Mar 1995 | | March 1931 | 26 The Ridgeway, Fetcham, Surrey, KT22 9AZ |
| WHITTEN, Robert Edward RESIGNED | Director | | 15 Oct 1997 | United Kingdom | July 1940 | Glebe House, Ellesfield, Welwyn, Hertfordshire, AL6 9HB |
| WILKINSON, James Henry RESIGNED | Director | 04 Dec 2013 | 30 Apr 2015 | United Kingdom | February 1966 | 2nd Floor, 25 Berkeley Square, London, W1J 6HB, United Kingdom |
| WILLIAMSON, Alastair Stephen Grant RESIGNED | Director | 20 Oct 2016 | 12 Apr 2025 | Australia | May 1946 | Bankside 300, Peachman Way, Broadland Business Park, Norwich, Norfolk, NR7 0LB, United Kingdom |
| WILSON, Frederick Findlay RESIGNED | Director | 15 May 1998 | 31 Dec 1999 | England | January 1945 | 35 Cambridge Road, Crosby, Liverpool, Merseyside, L23 7TU |