| COSEC 2000 LIMITED ACTIVE | Secretary | 31 Mar 2009 | | | | The Aon Centre, The Leadenhall Building, 122 Leadenhall Street, London, EC3V 4AN, United Kingdom |
| BOYD, Alistair Patrick ACTIVE | Director | 20 Sep 2016 | | United Kingdom | February 1979 | The Aon Centre, The Leadenhall Building, 122 Leadenhall Street, London, EC3V 4AN |
| HOGWOOD, Paul Arthur ACTIVE | Director | 09 Aug 2011 | | United Kingdom | July 1949 | The Aon Centre, The Leadenhall Building, 122 Leadenhall Street, London, EC3V 4AN, United Kingdom |
| HITCHMAN, Frank Hendrick RESIGNED | Secretary | 17 Dec 1991 | 31 Dec 1997 | | | 702 Raleigh House, Dolphin Square, London, SW1V 3NR |
| STIFF, Graeme Robert George RESIGNED | Secretary | 31 Dec 1997 | 31 Mar 2009 | | | Parkdene, 37 Park Avenue, Farnborough Park, Orpington, Kent, BR6 8LH |
| CHILTON, Grahame David RESIGNED | Director | 28 May 1999 | 28 Nov 2008 | United Kingdom | January 1959 | Little Mynthurst Farm, Smallhills Road Norwood Hill, Horley, Surrey, RH6 0HR |
| CLARKSON, Gerard Andrew RESIGNED | Director | 30 Aug 1996 | 26 Feb 1999 | United Kingdom | March 1944 | 80 Fryerning Lane, Ingatestone, Essex, CM4 0NN |
| CLAYDEN, Paul Francis RESIGNED | Director | 12 Jun 2009 | 21 Sep 2012 | United Kingdom | March 1969 | 8, Devonshire Square, London, EC2M 4PL |
| COLDMAN, David John RESIGNED | Director | 28 May 1999 | 28 Nov 2008 | United Kingdom | June 1947 | Polebrook, Hever, Edenbridge, Kent, TN8 7NJ |
| CRUTTWELL, Edward Robert Charles RESIGNED | Director | 28 Nov 2008 | 01 Jun 2010 | | January 1954 | 8, Devonshire Square, London, EC2M 4PL |
| FISHER, Yvonne Jane RESIGNED | Director | 01 Jun 2010 | 09 Aug 2011 | England | June 1969 | 8, Devonshire Square, London, EC2M 4PL, England |
| GALE, Stephen Dudley RESIGNED | Director | 01 Jun 2010 | 30 Apr 2014 | United Kingdom | September 1975 | 8, Devonshire Square, London, EC2M 4PL |
| GREIG, John Scott RESIGNED | Director | 17 Dec 1991 | 30 Aug 1996 | | July 1931 | South Munstead Farm, Godalming, Surrey, GU8 4AG |
| HANSON, Philip Leighton RESIGNED | Director | 18 Mar 2014 | 15 Apr 2016 | England | January 1977 | The Aon Centre, The Leadenhall Building, 122 Leadenhall Street, London, EC3V 4AN, United Kingdom |
| HEAP, Michael Conrad RESIGNED | Director | 28 Nov 2008 | 19 Mar 2010 | | June 1969 | 8, Devonshire Square, London, EC2M 4PL |
| HITCHMAN, Frank Hendrick RESIGNED | Director | 16 Dec 1991 | 31 Dec 1997 | | July 1941 | 702 Raleigh House, Dolphin Square, London, SW1V 3NR |
| KEATS, Peter Gordon Stevenson RESIGNED | Director | 16 Dec 1991 | 16 Dec 1994 | | November 1934 | The Barn Old Surrey Hall, East Grinstead, West Sussex, RH19 3PR |
| LOSSE, Dieter Ronald RESIGNED | Director | | 31 Mar 2000 | England | June 1937 | The Hermitage, Hermitage Lane, Windsor, Berkshire, SL4 4AZ |
| ORAM, William John RESIGNED | Director | 28 Nov 2008 | 12 Jun 2009 | United Kingdom | May 1953 | 8 Devonshire Square, London, EC4M 2PL |
| SIMMONDS, Michael RESIGNED | Director | 17 Dec 1991 | 16 Dec 1994 | | May 1932 | 1 Pintmere, Heath Drive Walton-On-The-Hill, Tadworth, Surrey, KT20 7QS |
| SPILLER, David Hutchinson RESIGNED | Director | 30 Aug 1996 | 09 Jun 1999 | United Kingdom | April 1956 | Greenflags, Stoneswood Road Limpsfield Common, Oxted, Surrey, RH8 0QY |
| WHITER, John Lindsay Pearce RESIGNED | Director | 28 May 1999 | 28 Nov 2008 | United Kingdom | May 1950 | Meades, Lake Street, Mark Cross, East Sussex, TN6 3NT |
| WILLIAMS, Christine Marie RESIGNED | Director | 09 Nov 2012 | 20 Sep 2016 | United Kingdom | September 1974 | The Aon Centre, The Leadenhall Building, 122 Leadenhall Street, London, EC3V 4AN, United Kingdom |