| BRUCE, Rosemary Fay ACTIVE | Secretary | 01 Jun 2024 | | | | Ground Floor (Suite T), Arlington Business Centre, White Rose Park, Millshaw Park Lane, Leeds, LS11 0DL, England |
| SALMON, Rachel Clare ACTIVE | Director | 01 Jun 2024 | | England | June 1975 | Ground Floor (Suite T), Arlington Business Centre, White Rose Park, Millshaw Park Lane, Leeds, LS11 0DL, England |
| STOCKTON, Jonathan ACTIVE | Director | 01 Jul 2020 | | England | February 1982 | Ground Floor (Suite T), Arlington Business Centre, White Rose Park, Millshaw Park Lane, Leeds, LS11 0DL, England |
| ASHMAN, Linda Margaret RESIGNED | Secretary | 04 Aug 2005 | 21 Dec 2007 | | | Bluefields 421 Huddersfield Road, Shelley Wood House, Huddersfield, West Yorkshire, HD8 8NE |
| COWELL, Barbara RESIGNED | Secretary | 21 Dec 2007 | 29 Jun 2012 | | | Denton Hall, Ilkley, West Yorkshire, LS29 0HH |
| MCDONELL, Lisa Michelle RESIGNED | Secretary | 02 Jul 2012 | 30 Sep 2018 | | | Denton Hall, Ilkley, West Yorkshire, LS29 0HH |
| SALMON, Rachel Clare RESIGNED | Secretary | 01 Oct 2018 | 01 Jun 2024 | | | 7, Brown Lane West, Leeds, LS12 6EH, England |
| IMCO SECRETARY LIMITED RESIGNED | Secretary | 06 Jun 2005 | 04 Aug 2005 | | | 21, Queen Street, Leeds, West Yorkshire, LS1 2TW |
| ANDREWS, Mark RESIGNED | Director | 04 Aug 2005 | 30 Oct 2009 | United Kingdom | December 1959 | Hebers Ghyll, Hebers Ghyll Drive, Ilkley, West Yorkshire, LS29 9QH |
| BEDFORD, Terence Leonard RESIGNED | Director | 16 Apr 2007 | 25 Mar 2008 | United Kingdom | February 1968 | The Old Rectory, Calverhall, Whitchurch, Salop, SY13 4PE |
| CAMERON, Ian Thomas RESIGNED | Director | 04 Aug 2005 | 28 Jun 2006 | United Kingdom | September 1947 | Noonsun Lodge, Ancoats Lane, Great Warford, Cheshire, WA16 7AT |
| COGAN, Paul Murray RESIGNED | Director | 25 Feb 2011 | 30 Sep 2011 | England | June 1969 | Denton Hall, Ilkley, West Yorkshire, LS29 0HH |
| COGAN, Paul Murray RESIGNED | Director | 09 Feb 2010 | 04 Oct 2010 | England | June 1969 | Denton Hall, Ilkley, West Yorkshire, LS29 0HH |
| HARRIS, Daren Robert RESIGNED | Director | 30 Aug 2011 | 30 Jun 2015 | Uk | December 1964 | Denton Hall, Ilkley, West Yorkshire, LS29 0HH |
| HUNT, Stephen David RESIGNED | Director | 04 Aug 2005 | 24 Feb 2006 | England | August 1967 | 48 Round Hill, Darton, Barnsley, South Yorkshire, S75 5QJ |
| HURCOMB, David Stuart RESIGNED | Director | 24 Sep 2010 | 01 Jun 2024 | United Kingdom | January 1964 | 7, Brown Lane West, Leeds, LS12 6EH, England |
| LANE, David John RESIGNED | Director | 02 Jun 2008 | 31 Aug 2010 | England | July 1964 | Denton Hall, Ilkley, West Yorkshire, LS29 0HH |
| MACKINTOSH, Kenneth Ian RESIGNED | Director | 16 Apr 2007 | 23 Apr 2008 | England | July 1962 | 30 Goldfinch Close, Briarleigh, Congleton, Cheshire, CW12 3FB |
| MARKS, Lee RESIGNED | Director | 01 Jul 2015 | 21 Sep 2015 | England | May 1972 | Denton Hall, Ilkley, West Yorkshire, LS29 0HH |
| NEWTON, Christopher John Landsborough RESIGNED | Director | 04 Aug 2005 | 25 Feb 2011 | | July 1956 | Denton Hall, Ilkley, West Yorkshire, LS29 0HH |
| PORTER, Michael RESIGNED | Director | 21 Sep 2015 | 30 Jun 2020 | England | November 1967 | Denton Hall, Denton, Ilkley, West Yorkshire, LS29 0HH, United Kingdom |
| WOOTTON, Christopher RESIGNED | Director | 07 Mar 2007 | 27 Jun 2008 | England | August 1963 | 50 York Road, Haxby, York, North Yorkshire, YO32 3ED |
| IMCO DIRECTOR LIMITED RESIGNED | Director | 06 Jun 2005 | 04 Aug 2005 | | | 21 Queen Street, Leeds, West Yorkshire, LS1 2TW |