| COSEC 2000 LIMITED ACTIVE | Secretary | 30 Mar 2001 | | | | The Aon Centre, The Leadenhall Building, 122 Leadenhall Street, London, EC3V 4AN, United Kingdom |
| BOYD, Alistair Patrick ACTIVE | Director | 06 Apr 2017 | | United Kingdom | February 1979 | Briarcliff House, Kingsmead, Farnborough, Hants, GU14 7TE |
| MUGASHU, Gardner ACTIVE | Director | 06 Sep 2021 | | United Kingdom | October 1973 | Briarcliff House, Kingsmead, Farnborough, Hants, GU14 7TE |
| JENNINGS, John Edgar RESIGNED | Secretary | 01 Jul 1997 | 30 Mar 2001 | | | Mead House 7 Meadway, Gidea Park, Romford, Essex, RM2 5NU |
| PIGRAM, Ivor RESIGNED | Secretary | | 30 Jun 1997 | | | 93 Kingsfield Road, Oxhey, Watford, Hertfordshire, WD19 4TP |
| AMY, Ronald John RESIGNED | Director | 01 Oct 1998 | 31 Dec 2007 | United Kingdom | June 1950 | 8 Devonshire Square, London, EC2M 4PL |
| ASHER, Christopher Lee RESIGNED | Director | 06 Apr 2017 | 21 Sep 2018 | United Kingdom | June 1980 | The Aon Centre, The Leadenhall Building, 122 Leadenhall Street, London, EC3V 4AN, United Kingdom |
| BOYLE, Allan RESIGNED | Director | | 31 Dec 1993 | | November 1939 | 181 Newchurch Road, Higher Cloughfold, Rossendale, Lancashire, BB4 7SU |
| BRADLEY, Paul Gerard RESIGNED | Director | 01 Jan 1995 | 31 Mar 2011 | | October 1954 | 8 Devonshire Square, London, EC2M 4PL |
| CAMERON, Colin Campbell RESIGNED | Director | 01 Apr 1996 | 31 Oct 1997 | | May 1953 | 23 Caiyside, Edinburgh, EH10 7HN |
| CARLISLE, Stephen David RESIGNED | Director | 18 Nov 1995 | 31 Oct 1997 | | June 1949 | 5 Rowan Close, Wokingham, Berkshire, RG11 4BH |
| CLAYDEN, Paul Francis RESIGNED | Director | 06 Jan 2011 | 27 Sep 2012 | United Kingdom | March 1969 | 8, Devonshire Square, London, EC2M 4PL, United Kingdom |
| COLES, Timothy John Nicholas RESIGNED | Director | | 28 Feb 1997 | | June 1948 | 29 York Crescent, Wilmslow, Cheshire, SK9 2BB |
| CORDON, Janet Hazel RESIGNED | Director | 25 Apr 1996 | 31 Oct 1997 | | September 1946 | 8 Nightingale Rise, Overton, Hampshire, RG25 3NZ |
| COX, Daniel Thomas RESIGNED | Director | 01 May 1993 | 28 Feb 1998 | | February 1946 | 1000 Vine Street, Winnetka Illinois, United States America, 60093 |
| DEVINE, John Hunter RESIGNED | Director | | 30 Sep 1998 | | December 1935 | Stonehaven Petworth Road, Wormley, Godalming, Surrey, GU8 5TR |
| GALE, Stephen Dudley RESIGNED | Director | 06 Jan 2011 | 30 Apr 2014 | United Kingdom | September 1975 | 8, Devonshire Square, London, EC2M 4PL, England |
| HANSON, Philip Leighton RESIGNED | Director | 28 Apr 2014 | 15 Apr 2016 | England | January 1977 | The Aon Centre, The Leadenhall Building, 122 Leadenhall Street, London, EC3V 4AN, United Kingdom |
| HOGWOOD, Paul Arthur RESIGNED | Director | 20 Sep 2016 | 28 Jun 2019 | United Kingdom | July 1949 | Briarcliff House, Kingsmead, Farnborough, Hants, GU14 7TE |
| JOHNSTON, Paul James RESIGNED | Director | 01 Oct 1998 | 12 Dec 2000 | | June 1966 | 35 Friston Way, Rochester, Kent, ME1 2UU |
| JONES, Lawrence Bernard RESIGNED | Director | | 08 Jan 1997 | | June 1940 | Millhouse Cottage, Hook Road, North Warnborough, Hook, Hampshire, RG29 1ET |
| LECOQ, Deirdre Hindle RESIGNED | Director | | 30 Jun 1998 | | March 1947 | 25 Dene Lane, Lower Bourne, Farnham, Surrey, GU10 3PW |
| MCLEISH, David James Dow RESIGNED | Director | | 19 May 1993 | | February 1936 | 10 Circle Road, Darien, Connecticut 06820 |
| MIDDLETON, Robert Campbell RESIGNED | Director | 31 Dec 2007 | 31 Aug 2010 | | November 1962 | Aon Consulting, 40 Torphichen Street, Edinburgh, Lothian, EH3 8JB |
| MITCHELL, Timothy Frank Munroe RESIGNED | Director | | 10 Jun 1996 | | October 1939 | Rosegarth, Black Pond Lane Lower Bourne, Farnham, Surrey, GU10 3NW |
| MURRAY, Peter Michael RESIGNED | Director | | 15 Apr 1994 | | July 1954 | 8 Woodgate, Fleet, Hampshire, GU13 8TX |
| OWEN, James RESIGNED | Director | | 30 Jun 1998 | | April 1940 | 3 Belvoir, Dosthill, Tamworth, Staffordshire, B77 1JJ |
| PORTER, John Anthony RESIGNED | Director | | 31 Jul 1995 | England | February 1943 | Calthorpe Lodge Calthorpe Road, Fleet, Hampshire, GU51 4LN |
| PRENTIS, Henry Barrel RESIGNED | Director | | 18 Sep 1992 | | October 1944 | Cherry Lawn 60 Nunnery Street, Hedington, Essex, CR9 3DP |
| REEVE, John Gordon RESIGNED | Director | 31 Jul 1995 | 31 Oct 1997 | England | July 1960 | 13 Thackeray Road, Clevedon, Avon, BS21 7JQ |
| REID, David Fulton RESIGNED | Director | | 31 Dec 1994 | | May 1938 | 12 Kilmardinny Crescent, Bearsden, Glasgow, Lanarkshire, G61 3NR |
| ROWLANDS, Oliver Michael RESIGNED | Director | 31 Aug 2010 | 03 Dec 2010 | United Kingdom | February 1964 | 8, Devonshire Square, London, EC2M 4PL, England |
| SHARP, Andrew Gordon RESIGNED | Director | | 31 Jul 1995 | | December 1952 | 49 Holt Way, Hook, Basingstoke, Hampshire, RG27 9LG |
| WARMINGTON, Colin Leonard Henry RESIGNED | Director | | 31 Jul 1995 | | February 1942 | 8 Thornhill Way, Mannamead, Plymouth, Devon, PL3 5NP |
| WATSON, Philip Roy RESIGNED | Director | 01 Jan 1994 | 01 Apr 1997 | | March 1948 | Orchard House Pynchon Paddocks, Little Hallingbury, Bishops Stortford, Hertfordshire, CM22 7RJ |
| WILKES, John Morton RESIGNED | Director | 01 Jan 1994 | 31 Oct 1997 | | December 1946 | Dairy Cottage, Glebe Lane Staverton, Daventry, Northamptonshire, NN11 6JF |
| WILLIAMS, Christine Marie RESIGNED | Director | 13 Nov 2012 | 06 Apr 2017 | United Kingdom | September 1974 | The Aon Centre, The Leadenhall Building, 122 Leadenhall Street, London, United Kingdom |
| WITHERS, Graham Charles RESIGNED | Director | 01 Jan 1995 | 31 Mar 1997 | United Kingdom | December 1952 | The Robins, Hoghatch Lane, Farnham, Surrey, GU9 0BY |
| ZWARYCH, Brian Paul RESIGNED | Director | | 12 May 1993 | | May 1960 | 10 Colonel Genn Drive, Carmel, New York 10512, FOREIGN, Usa |