| INFORMA COSEC LIMITED ACTIVE | Secretary | 30 Apr 2021 | | | | 5, Howick Place, London, SW1P 1WG, United Kingdom |
| ADRIAN, Carl Sheldon ACTIVE | Director | 11 Mar 2009 | | United Kingdom | February 1972 | 5, Howick Place, London, SW1P 1WG, United Kingdom |
| HOPLEY, Rupert John Joseph ACTIVE | Director | 31 Dec 2018 | | England | March 1969 | 5, Howick Place, London, SW1P 1WG, United Kingdom |
| PERKINS, Nicholas Michael ACTIVE | Director | 14 Oct 1999 | | England | September 1969 | 5, Howick Place, London, SW1P 1WG, United Kingdom |
| BINGLEY, Joan Hilary RESIGNED | Secretary | | 13 Jan 1992 | | | Eaton Farm, Miles Lane, Cobham, Surrey, KT11 2ED |
| BROOMFIELD, Helen Frances RESIGNED | Secretary | 13 Jan 1992 | 16 Aug 1995 | | | 40 Vincent Close, Hainault, Ilford, Essex, IG6 2SZ |
| HOPLEY, Rupert John Joseph RESIGNED | Secretary | 31 Dec 2018 | 30 Apr 2021 | | | 5, Howick Place, London, SW1P 1WG, United Kingdom |
| PETERS, Mark RESIGNED | Secretary | 01 Oct 2014 | 30 Sep 2018 | | | 240, Blackfriars Road, London, England, SE1 8BF, England |
| SIDDELL, Anne Claire RESIGNED | Secretary | 02 Jun 1997 | 01 Oct 2014 | | | 10 Hearn Close, Manor Road, Penn, Buckinghamshire, HP10 8JT |
| STABLES, Jane Margaret RESIGNED | Secretary | 16 Aug 1995 | 02 Jun 1997 | | | 21 Northampton Square, London, EC1V 0AJ |
| WOOLLARD, Julie RESIGNED | Secretary | 28 Sep 2018 | 31 Dec 2018 | | | 5, Howick Place, London, SW1P 1WG, England |
| ALLEN, Jane RESIGNED | Director | 11 Mar 2009 | 31 Mar 2012 | England | July 1962 | Symondstone, Wishanger Lane, Churt, Farnham, Surrey, GU10 2QL |
| BINGLEY, Joan Hilary RESIGNED | Director | | 04 Nov 1994 | | August 1947 | Eaton Farm, Miles Lane, Cobham, Surrey, KT11 2ED |
| BRIDGES, Corinna Susan RESIGNED | Director | 24 Mar 2016 | 15 Mar 2017 | United Kingdom | August 1984 | 240, Blackfriars Road, London, England, SE1 8BF, England |
| BROWN, Nigel Roy RESIGNED | Director | 07 Aug 1996 | 12 Aug 1996 | | July 1945 | 42 Christian Fields, Norbury, London, SW16 3JZ |
| BURNS, John Macgregor RESIGNED | Director | 30 May 1996 | 02 Jun 1997 | United Kingdom | August 1943 | 58 Wickham Hill, Hurstpierpoint, Sussex, BN6 9NP |
| CLARKE, Dean Leonard RESIGNED | Director | 19 Nov 1999 | 08 Feb 2002 | | February 1969 | 18 Rosemead, South Benfleet, Essex, SS7 4JQ |
| COLLIER, Timothy Guy RESIGNED | Director | 04 Oct 1999 | 13 May 2002 | | May 1963 | 142 Lovibonds Avenue, Orpington, Kent, BR6 8EN |
| COWLING, Rachael RESIGNED | Director | 02 Jun 2008 | 08 Jun 2017 | United Kingdom | December 1977 | 240, Blackfriars Road, London, England, SE1 8BF, England |
| CROW, Andrew Frank RESIGNED | Director | 17 Oct 1997 | 31 Dec 2017 | England | July 1957 | 240, Blackfriars Road, London, England, SE1 8BF, England |
| DAVIES, James Russell RESIGNED | Director | 04 Jul 2012 | 30 Jun 2014 | United Kingdom | December 1973 | Ludgate House, 245 Blackfriars Road, London, SE1 9UY, United Kingdom |
| DOWNES, Fiona RESIGNED | Director | 22 Apr 1996 | 02 Nov 2001 | | August 1964 | 102 Biddulph Mansions, Maida Vale, London, W9 1HU |
| GREENHOW, Dominic RESIGNED | Director | 04 Oct 1999 | 20 Dec 2001 | | April 1958 | 3 Seymour Court, 29 Avenue Road, Highgate, London, N6 5DT |
| HENDERSON, Alex RESIGNED | Director | 26 Nov 1997 | 03 Sep 1999 | | March 1969 | 144a Manor Lane, Lee, London, SE12 8LP |
| HICKSON, Peter Charles Fletcher RESIGNED | Director | | 30 Apr 1996 | United Kingdom | May 1945 | 12 Crescent Road, Wimbledon, London, SW20 8EX |
| HOPWOOD, Sarah Jane RESIGNED | Director | 30 Sep 1992 | 17 Oct 1997 | | March 1962 | 2 High Street, Barcombe, Lewes, East Sussex, BN8 5DH |
| IRWIN, Benjamin James RESIGNED | Director | 19 Mar 2010 | 05 Oct 2018 | United Kingdom | August 1978 | 240, Blackfriars Road, London, England, SE1 8BF, England |
| KERR, Richard James RESIGNED | Director | 31 Jul 2008 | 08 Dec 2008 | United Kingdom | January 1974 | 30 Lindore Road, Battersea, London, SW11 1HJ |
| KLONARIDES, Elaine RESIGNED | Director | 31 Mar 2015 | 24 Mar 2016 | England | April 1976 | 240, Blackfriars Road, London, SE1 8BF, England |
| LIGHT, Christopher John RESIGNED | Director | 22 Oct 2013 | 31 Jul 2020 | United Kingdom | March 1977 | 5, Howick Place, London, SW1P 1WG, United Kingdom |
| MEPHAM, Neil RESIGNED | Director | 05 Jun 1998 | 20 Jun 2018 | United Kingdom | January 1963 | 240, Blackfriars Road, London, England, SE1 8BF, England |
| MILLER, Louise RESIGNED | Director | 11 Jun 2014 | 30 Jan 2015 | United Kingdom | April 1965 | Ludgate House, 245 Blackfriars Road, London, SE1 9UY, United Kingdom |
| MORGAN, Emma Louise RESIGNED | Director | 04 Jul 2012 | 18 Jul 2019 | United Kingdom | January 1981 | 5, Howick Place, London, SW1P 1WG, United Kingdom |
| NEWMAN, Timothy Carlo RESIGNED | Director | 11 Dec 1996 | 04 Oct 1999 | England | June 1960 | Newlands Manor House, Charlton Marshall, Blandford, Dorset, DT11 9NE |
| OWEN, Teresa Anne RESIGNED | Director | 05 Jul 2000 | 26 Oct 2001 | | June 1969 | 1 Alexandra Road, St Albans, Hertfordshire, AL1 3AU |
| OWEN, Teresa Anne RESIGNED | Director | 04 Sep 1998 | 05 Jul 2000 | | June 1969 | 1 Alexandra Road, St Albans, Hertfordshire, AL1 3AU |
| PASQUILL, David Roy RESIGNED | Director | 04 Jul 2012 | 29 Oct 2015 | United Kingdom | January 1972 | 240, Blackfriars Road, London, England, SE1 8BF, England |
| PETERS, Mark David RESIGNED | Director | 01 Oct 2014 | 30 Sep 2018 | United Kingdom | March 1959 | 240, Blackfriars Road, London, England, SE1 8BF, England |
| PRITCHARD, Emma Joanne RESIGNED | Director | 11 Mar 2009 | 31 Dec 2018 | United Kingdom | February 1974 | 5, Howick Place, London, SW1P 1WG, United Kingdom |
| PURSER, Jean Dorothy Anne RESIGNED | Director | 08 Feb 2002 | 29 Dec 2006 | | February 1947 | The Dumbles, 7 Ashdown View, Nutley, East Sussex, TN22 3HX |
| SAWTELL, George Robert RESIGNED | Director | 09 Nov 2015 | 20 Jun 2018 | United Kingdom | December 1966 | 240, Blackfriars Road, London, England, SE1 8BF |
| SHAMLIAN, Tanya Victoria RESIGNED | Director | 06 Jul 2000 | 04 Dec 2002 | Uk | September 1973 | 7 Woodberry Crescent, Muswell Hill, London, N10 1PJ |
| SIDDELL, Anne Claire RESIGNED | Director | 02 Jun 1997 | 01 Oct 2014 | United Kingdom | May 1954 | 10 Hearn Close, Manor Road, Penn, Buckinghamshire, HP10 8JT |
| SMITH, Susan Elizabeth RESIGNED | Director | 21 Jan 2011 | 10 Jun 2011 | United Kingdom | August 1972 | Ludgate House 245, Blackfriars Road, London, SE1 9UY, United Kingdom |
| SMITH, Susan Elizabeth RESIGNED | Director | 14 Jul 2009 | 18 Apr 2010 | United Kingdom | August 1972 | Ludgate House, 245 Blackfriars Road, London, Se1 9uy, United Kingdom |
| SMITH, Susan Elizabeth RESIGNED | Director | 21 May 2003 | 31 Oct 2008 | United Kingdom | August 1972 | 18 North Road, Richmond, Surrey, TW9 4HA |
| SOUTHGATE, Catherine Elizabeth RESIGNED | Director | 26 Oct 2001 | 02 Feb 2007 | | December 1965 | 41 Fairlawn Avenue, London, W4 5EF |
| SPEDDING, Michael RESIGNED | Director | | 30 Sep 1992 | | October 1956 | Flat 1, 120 Goldhurst Terrace, London, NW6 |
| STABLES, Jane Margaret RESIGNED | Director | 04 Nov 1994 | 02 Oct 2006 | United Kingdom | February 1962 | 21 Northampton Square, London, EC1V 0AJ |
| STERN, Charles Roger RESIGNED | Director | 30 May 1996 | 26 Feb 2001 | | April 1950 | Hunters Lodge, 5 Belsize Lane, London, NW3 5AD |
| STREETER, Richard James RESIGNED | Director | 11 Mar 2009 | 19 Jun 2009 | | December 1974 | 19, Woodside Court Road, Croydon, Surrey, CR0 6RW |
| TAYLOR, Nicholas Michael RESIGNED | Director | 18 Aug 1997 | 31 Dec 1999 | | February 1968 | Seeden House Furze Road, High Salvington, Worthing, West Sussex, BN13 3BP |
| TITMAN, Damian Edward John RESIGNED | Director | 05 Jul 2000 | 02 May 2003 | United Kingdom | January 1969 | 12 Park Crescent, London, N3 2NJ |
| TITMAN, Damian Edward John RESIGNED | Director | 04 Oct 1999 | 05 Jul 2000 | | January 1969 | 15 Clifton Road, London, N3 2AS |
| WAN, Florise Ah Fong RESIGNED | Director | 11 Mar 2009 | 29 Apr 2019 | United Kingdom | November 1957 | 5, Howick Place, London, SW1P 1WG, United Kingdom |
| WEIN, David Mark RESIGNED | Director | 01 Dec 2005 | 29 Feb 2008 | | May 1975 | 16b Battersea Rise, London, SW11 1EE |
| WHITNEY, Allison Sarah RESIGNED | Director | 02 May 2003 | 13 Oct 2009 | | June 1973 | 23, Loraine Road, Chiswick, London, W4 3QT |
| WILSON, Nigel David, Sir RESIGNED | Director | 26 Oct 2001 | 07 May 2009 | England | November 1956 | Great Gables, Burkes Crescent, Beaconsfield, Buckinghamshire, HP9 1PD |
| WINDELL, Lynn Elizabeth RESIGNED | Director | 31 May 2007 | 31 Jul 2015 | Uk | September 1967 | 240, Blackfriars Road, London, England, SE1 8BF, England |
| WOLF, Karl Wilhelm RESIGNED | Director | 11 Mar 2009 | 07 Jun 2013 | Uk | June 1973 | 69, Radford Road, Hither Green, London, SE13 6SB |
| WOOLLARD, Julie Louise RESIGNED | Director | 01 Oct 2018 | 31 Dec 2018 | England | April 1977 | 5, Howick Place, London, SW1P 1WG, United Kingdom |
| WRANKMORE, Peter Ian RESIGNED | Director | 06 Jul 2000 | 01 Jul 2014 | Uk | April 1969 | 5 Park Road, Bishops Waltham, Southampton, SO32 1BQ |
| YOUDS, Nigel Joseph RESIGNED | Director | 24 May 2017 | 05 Oct 2018 | United Kingdom | January 1972 | 240, Blackfriars Road, London, England, SE1 8BF, England |
| YOUDS, Nigel Joseph RESIGNED | Director | 31 May 2007 | 14 Apr 2016 | United Kingdom | January 1972 | 240, Blackfriars Road, London, England, SE1 8BF, England |