| KUMAR, Martin Daniel ACTIVE | Secretary | 25 Jul 2017 | | | | 27-32, 1st Floor, Old Jewry, London, EC2R 8DQ, England |
| KUMAR, Martin Daniel ACTIVE | Director | 01 May 2022 | | England | April 1979 | 27-32, 1st Floor, Old Jewry, London, EC2R 8DQ, England |
| WARD, Richard Robert ACTIVE | Director | 25 Nov 2022 | | England | February 1967 | 27-32, 1st Floor, Old Jewry, London, EC2R 8DQ, England |
| BARKER, James Edward RESIGNED | Secretary | 02 Jun 1997 | 13 Jul 1998 | | | The Old Vicarage, Cragg Vale, Hebden Bridge, West Yorkshire, HX7 5TB |
| HEATHER, Brian Hersee RESIGNED | Secretary | 13 Jul 1998 | 29 Jan 2001 | | | 9 Gledhow Park Crescent, Chapel Allerton, Leeds, West Yorkshire, LS7 4JY |
| ROSKOTT, Lynda Marie RESIGNED | Secretary | | 02 Jun 1997 | | | 16 Inglis Road, Colchester, Essex, CO3 3HU |
| TURNER, Robert Edward RESIGNED | Secretary | 29 Jan 2001 | 25 Sep 2007 | | | 2, Highfield, Blackden, Goostrey, Cheshire, CW4 8DQ, United Kingdom |
| IMCO SECRETARY LIMITED RESIGNED | Secretary | 25 Sep 2007 | 24 Jul 2017 | | | 2, Wellington Place, Leeds, West Yorkshire, LS1 4BZ, United Kingdom |
| BENNETT, Phillip James RESIGNED | Director | 02 Jun 1997 | 13 Jul 1998 | England | November 1960 | Grove House Daw Lane, Horbury, Wakefield, West Yorkshire, WF4 5DR |
| BISHOP, Robert Hugh RESIGNED | Director | 20 Oct 2000 | 30 Nov 2002 | England | July 1958 | 32 Davies Avenue, Leeds, West Yorkshire, LS8 1JY |
| COKER, William Joseph RESIGNED | Director | 25 Sep 2007 | 04 Jun 2010 | England | December 1965 | 8 Westville Road, Thames Ditton, Surrey, KT7 0UJ |
| EADES, Ross David RESIGNED | Director | 22 Jul 2009 | 15 Mar 2013 | United Kingdom | April 1962 | 4th Floor, 27 Mortimer Street, London, W1T 3BL |
| GODDARD, Julian Michael RESIGNED | Director | 18 Nov 1998 | 07 Dec 2000 | United Kingdom | March 1963 | Cliffe House, Keighley Road, Hebden Bridge, West Yorkshire, HX7 8HH |
| HAXELL, Rupert Vince RESIGNED | Director | 19 Jun 1997 | 31 Dec 2004 | England | September 1958 | St. Cleres Hall Farm House, Saint Cleres Hall Lane, St. Osyth, Clacton On Sea, Essex, CO16 8RX |
| HEATHER, Brian Hersee RESIGNED | Director | 02 May 1997 | 29 Jan 2001 | United Kingdom | October 1953 | 9 Gledhow Park Crescent, Chapel Allerton, Leeds, West Yorkshire, LS7 4JY |
| KIRPALANI, Rakesh RESIGNED | Director | 28 Mar 2012 | 25 Nov 2022 | England | August 1979 | First Floor,, Sherborne House, 119-121 Cannon Street, London, EC4N 5AT, England |
| LAWSON, Leslie William RESIGNED | Director | 28 Jul 1997 | 25 Sep 2007 | England | February 1956 | Coley Gate Farm, Shutts Lane Norwood Green, Halifax, HX3 8RD |
| MELBOURNE, John RESIGNED | Director | 07 Jun 2010 | 28 Apr 2011 | England | December 1962 | 4th Floor, 27 Mortimer Street, London, W1T 3BL |
| REEVES, Anthony Henry RESIGNED | Director | 06 Feb 2009 | 04 Mar 2015 | England | September 1940 | 4th Floor, 27 Mortimer Street, London, W1T 3BL |
| ROSE, John Ian RESIGNED | Director | 25 Sep 2007 | 06 Feb 2009 | England | April 1963 | 7 Wren Crescent, Bushey, Hertfordshire, WD23 1AN |
| ROSKOTT, Edward Richard Alexander RESIGNED | Director | | 02 Jun 1997 | | March 1951 | 16 Inglis Road, Colchester, Essex, CO3 3HU |
| ROSKOTT, Lynda Marie RESIGNED | Director | | 02 Jun 1997 | | August 1954 | 16 Inglis Road, Colchester, Essex, CO3 3HU |
| TURNER, Robert Edward RESIGNED | Director | 29 Jan 2001 | 25 Sep 2007 | United Kingdom | February 1965 | 2, Highfield, Blackden, Goostrey, Cheshire, CW4 8DQ, United Kingdom |