| INFORMA COSEC LIMITED ACTIVE | Secretary | 01 Feb 2025 | | | | 5, Howick Place, London, SW1P 1WG, United Kingdom |
| BANE, Simon Robert ACTIVE | Director | 01 Feb 2025 | | England | October 1971 | Informa Plc, 5 Howick Place, London, SW1P 1WG, United Kingdom |
| O'HAGAN, Owen Richard ACTIVE | Director | 01 Feb 2025 | | United Kingdom | March 1977 | 5, Howick Place, London, SW1P 1WG, United Kingdom |
| PERKINS, Nicholas Michael ACTIVE | Director | 01 Feb 2025 | | England | September 1969 | Informa Plc, 5 Howick Place, London, SW1P 1WG, United Kingdom |
| ELSDON, Kate RESIGNED | Secretary | 19 Apr 2007 | 20 Sep 2007 | | | 51 Sackville Crescent, Harold Wood, Romford, Essex, RM3 0EH |
| FOLLAND, Nicholas James RESIGNED | Secretary | 01 Jan 2002 | 19 Apr 2007 | | | Strethall House, Strethall, Saffron Walden, Essex, CB11 4XJ |
| FREEMAN, Susanna Elizabeth Genevieve RESIGNED | Secretary | 24 Oct 2012 | 30 Jan 2014 | | | The Prow, 1 Wilder Walk, London, W1B 5AP, United Kingdom |
| GRIFFITHS, Ian Ward RESIGNED | Secretary | 20 Sep 2007 | 31 Mar 2008 | | | The Gate House 1 Rhymers Gate, Wyton, Huntingdon, PE28 2JR |
| HAY, Helen Frances RESIGNED | Secretary | 07 Sep 2009 | 04 Mar 2010 | | | The Old Stable Yard, Odell, Beds, MK43 7BB |
| HOWDEN, Naomi RESIGNED | Secretary | 20 Oct 2021 | 01 Feb 2025 | | | 2nd Floor,, 81-87 High Holborn, London, WC1V 6DF, England |
| LOOI, Shanny RESIGNED | Secretary | 31 Mar 2008 | 17 Aug 2021 | | | The Prow, 1 Wilder Walk, London, W1B 5AP, United Kingdom |
| MEADS, Louise RESIGNED | Secretary | 06 Feb 2017 | 30 Apr 2024 | | | 2nd Floor,, 81-87 High Holborn, London, WC1V 6DF, England |
| WALMSLEY, Derek Kerr RESIGNED | Secretary | | 31 Dec 2001 | | | Walnut Barn, High Street, Pavenham, Bedford, Bedfordshire, MK43 7NJ |
| ARCULUS, Thomas David Guy RESIGNED | Director | | 27 Mar 1997 | | June 1946 | Flat 193 County Hall North Block, 1a Belvedere Road, London, SE1 7GH |
| BHAKTA-JONES, Nilema RESIGNED | Director | 20 Mar 2008 | 18 May 2009 | United Kingdom | April 1971 | 7b Wolseley Road, London, N8 8RR |
| BOASE, Martin RESIGNED | Director | | 13 Jul 2000 | United Kingdom | July 1932 | 27 St Leonards Terrace, London, SW3 4QG |
| BROADBENT, Adam Humphrey Charles RESIGNED | Director | 04 Nov 1997 | 13 Jul 2006 | United Kingdom | June 1936 | 4 Dynevor Road, Richmond, Surrey, TW10 6PF |
| CARTER, Derek Raymond Anthony RESIGNED | Director | 04 Sep 2006 | 20 Mar 2008 | United Kingdom | June 1949 | Pinewych, Vigo Road Fairseat, Sevenoaks, Kent, TN15 7LR |
| CATHCART, William Alun RESIGNED | Director | 17 Jun 2005 | 20 Mar 2008 | | September 1943 | 89 Blandford Street, London, W1U 8AF |
| CLIFTON, Rita Ann RESIGNED | Director | 17 Jun 2005 | 20 Mar 2008 | United Kingdom | January 1958 | Woodend Farmhouse, Woodend, Medmenham, Buckinghamshire, SL7 2HW |
| COLE, Christopher Michael RESIGNED | Director | 05 Sep 2008 | 20 Apr 2009 | United Kingdom | February 1967 | 30, Lucas Avenue, Harrow, Middlesex, HA2 9JU, England |
| COOKE, Patrick Joseph Dominic RESIGNED | Director | | 02 Dec 1996 | | August 1931 | 18-20 Brincliffe Crescent, Sheffield, South Yorkshire, S11 9AW |
| DANON, Pierre RESIGNED | Director | 22 Apr 2004 | 20 Mar 2008 | | May 1956 | Apartment J, 42 Eaton Square, London, SW1W 9DB |
| ELLIOT, Richard Emmerson RESIGNED | Director | 09 Apr 2008 | 08 May 2008 | United Kingdom | February 1966 | Orchard House, 2 Richardson Close, Mill Drove, Bourne, Lincolnshire, PE10 9YN |
| GESTETNER, Emily Henrietta RESIGNED | Director | 18 May 2009 | 29 Jun 2012 | United Kingdom | April 1967 | Greater London House, Hampstead Road, London, NW1 7EJ, United Kingdom |
| GILBERTSON, David Stuart RESIGNED | Director | 25 Mar 2008 | 23 May 2011 | England | September 1956 | Greater London House, Hampstead Road, London, NW1 7EJ, United Kingdom |
| GRADDEN, Amanda Jane RESIGNED | Director | 02 Jan 2013 | 28 Feb 2025 | England | March 1968 | 2nd Floor,, 81-87 High Holborn, London, WC1V 6DF, England |
| GRIFFITHS, Ian Ward RESIGNED | Director | 20 Oct 2005 | 09 Apr 2008 | United Kingdom | September 1966 | The Gate House 1 Rhymers Gate, Wyton, Huntingdon, PE28 2JR |
| GRIGSON, David John RESIGNED | Director | | 31 Jul 2000 | | November 1954 | Bainton Farmhouse, Tallington Road, Bainton, Stamford, Lincolnshire, PE9 3AF |
| GULLIVER, John Keith RESIGNED | Director | 11 Jun 2012 | 02 Jan 2013 | United Kingdom | October 1974 | The Prow, 1 Wilder Walk, London, W1B 5AP, United Kingdom |
| HAND, Kevin Lawrence RESIGNED | Director | | 25 May 2001 | | July 1951 | 20 Ormonde Gate, London, SW3 4EX |
| HARRISON, Andrew RESIGNED | Director | 26 Mar 2002 | 20 Mar 2008 | United Kingdom | May 1957 | Wimbushes, Ragged Hall Lane, St. Albans, Hertfordshire, AL2 3NW |
| HINDLEY, Martyn John RESIGNED | Director | 03 Nov 2008 | 22 Dec 2011 | England | October 1962 | Greater London House, Hampstead Road, London, NW1 7EJ, United Kingdom |
| HOSKYNS, John Austin Hungerford Leigh, Sir RESIGNED | Director | 16 Dec 1993 | 16 Jul 1998 | | August 1927 | 83 Clapham Common West Side, London, SW4 9AY |
| HOWELL, Jonathan Anton George RESIGNED | Director | 12 Mar 2007 | 20 Mar 2008 | | July 1962 | 4 Crescent Grove, Clapham, London, SW4 7AH |
| HUGHES, Gary William RESIGNED | Director | 03 Oct 2000 | 06 Apr 2005 | Uk | April 1962 | 64 Crown Road North, Dowanhill, Glasgow, G12 9HW |
| JONES, Karen Elisabeth Dind RESIGNED | Director | 29 May 1997 | 13 Jul 2006 | United Kingdom | July 1956 | Paddock House, 9 Spencer Park Wandsworth, London, SW18 2SX |
| KEENAN, Paul RESIGNED | Director | 19 Apr 2005 | 04 Feb 2008 | England | December 1963 | 19 Church Crescent, Muswell Hill, London, N10 3NA |
| LAVELLI, John Stephen RESIGNED | Director | 20 Mar 2008 | 26 Sep 2008 | | June 1955 | 2 Nathans Close, Welwyn, Hertfordshire, AL6 9QB |
| LOOI, Shanny RESIGNED | Director | 20 Mar 2008 | 31 Mar 2008 | | August 1971 | 19, Beamish Drive, Bushey Heath, Bushey, Hertfordshire, WD23 1HJ, United Kingdom |
| LUSBY, Martin Alan RESIGNED | Director | | 31 Oct 1992 | | May 1946 | Greystones Main Road, Tallington, Stamford, Lincolnshire, PE9 4RP |
| MILLER, Robin William, Sir RESIGNED | Director | | 23 Jan 2003 | England | December 1940 | Glatton House, Glatton, Huntingdon, Cambridgeshire, PE28 5RU |
| MOLONEY, Thomas Charles RESIGNED | Director | 26 Oct 1995 | 17 May 2007 | United Kingdom | May 1959 | 20 Queen Elizabeths Walk, London, N16 0HX |
| MORRISON, Colin RESIGNED | Director | 09 Nov 1992 | 31 Dec 1995 | England | October 1950 | 41 The Downs, Wimbledon, London, SW20 8HG |
| NUNES CARVALHO, Nicholas John RESIGNED | Director | | 30 Mar 1996 | | January 1936 | Greystones, Tansor, Peterborough, PE8 5HS |
| O'NEILL, Brendon Richard, Dr RESIGNED | Director | 26 Oct 1995 | 11 Jul 2002 | United Kingdom | December 1948 | 30 Burdon Lane, Sutton, Surrey, SM2 7PT |
| PAINTER, Duncan Anthony RESIGNED | Director | 22 Dec 2011 | 22 Dec 2011 | England | February 1970 | Emap Limited, Greater London House, Hampstead Road, London, NW1 7EJ, England |
| PAINTER, Duncan Anthony RESIGNED | Director | 10 Oct 2011 | 02 Jan 2024 | England | February 1970 | 33, Kingsway, London, WC2B 6UF, United Kingdom |
| ROSS RUSSELL, Graham RESIGNED | Director | | 21 Jul 1994 | United Kingdom | January 1933 | 30 Ladbroke Square, London, W11 3NB |
| ROUGH, David RESIGNED | Director | 25 Feb 2002 | 20 Mar 2008 | United Kingdom | January 1951 | Burford House, The Drive, Belmont, Surrey, SM2 7DP |
| SIMMONDS, Kenneth, Professor RESIGNED | Director | | 02 Dec 1996 | | February 1935 | Marsham Villa Marsham Lane, Gerrards Cross, Buckinghamshire, SL9 8AG |
| STAUNTON, Henry Eric RESIGNED | Director | 23 Mar 1995 | 11 Jul 2002 | England | May 1948 | Fairfield, Nursery Road, Walton On The Hill, Surrey, KT20 7TZ |
| STRONG, Peter Michael RESIGNED | Director | 08 Feb 1993 | 31 Oct 1996 | United Kingdom | January 1947 | 268 Unthank Road, Norwich, Norfolk, NR2 2AJ |
| TAYLOR, Christopher Nigel John RESIGNED | Director | 26 Sep 2008 | 07 Feb 2011 | | April 1978 | Greater London House, Hampstead Road, London, NW1 7EJ, United Kingdom |
| THOMAS, Philip Owain RESIGNED | Director | 02 Jan 2024 | 28 Feb 2025 | England | June 1961 | 2nd Floor,, 81-87 High Holborn, London, WC1V 6DF, England |
| TILLIN, Anthony Michael RESIGNED | Director | 26 Sep 1996 | 09 Jul 1997 | | October 1945 | Las Palomas De Son Roig, Apartado De Correos 10, 07184 Caliva, Mallorca, Spain |