| FURNISS, Jonathan Paul ACTIVE | Secretary | 04 Sep 2014 | | | | Whitley Lodge, Whitley Bridge, Doncaster, Yorkshire, DN14 0HR |
| FURNISS, Jonathan Paul ACTIVE | Director | 26 May 2022 | | England | November 1969 | Whitley Lodge, Whitley Bridge, Yorkshire, DN14 0HR |
| ROBINSON, John Lee ACTIVE | Director | 17 Jun 2019 | | England | November 1958 | Whitley Lodge, Whitley Bridge, Yorkshire, DN14 0HR |
| ATTWELL, Simon John RESIGNED | Secretary | 01 Nov 1994 | 30 Sep 2002 | | | Appletree House, Newton Road, Tollerton, York, YO61 1QX |
| DUFFY, Neil Anthony RESIGNED | Secretary | 30 Apr 2003 | 24 May 2011 | | | 202 Cantley Lane, Doncaster, South Yorkshire, DN4 6PA |
| DYSON, Kevin Frederick RESIGNED | Secretary | 24 May 2011 | 26 Feb 2013 | | | Whitley Lodge, Whitley Bridge, Yorkshire, DN14 0HR |
| PARKER, Shaun RESIGNED | Secretary | 10 Feb 2014 | 04 Sep 2014 | | | Whitley Lodge, Whitley Bridge, Doncaster, DN14 0HR, England |
| RAWLINS, Peter Jeremy RESIGNED | Secretary | 06 Nov 1991 | 31 Jul 1994 | | | Beech Cottage Apperley Lane, Rawdon, Leeds, West Yorkshire, LS19 6LW |
| STRADLING, Alfred John RESIGNED | Secretary | 31 Jul 1994 | 01 Nov 1994 | | | Badgers Hill Orchard Drive, Linton, Wetherby, West Yorkshire, LS22 4HP |
| WEBSTER, Richard Philip James RESIGNED | Secretary | 26 Feb 2013 | 10 Feb 2014 | | | Whitley Lodge, Whitley Bridge, Yorkshire, DN14 0HR |
| WHEELER, Robert Henry RESIGNED | Secretary | 30 Sep 2002 | 30 Apr 2003 | | | Lane Head, Partridge Hill, Ashwell, Hertfordshire, SG7 5QZ |
| SIMCO COMPANY SERVICES LIMITED RESIGNED | Nominee Secretary | 13 Sep 1991 | 06 Nov 1991 | | | 41 Park Square, Leeds, West Yorkshire, LS1 2NS |
| BALDWIN, Gil Talbot RESIGNED | Director | 23 May 2011 | 30 Oct 2013 | England | January 1960 | Whitley Lodge, Whitley Bridge, Yorkshire, DN14 0HR |
| BUCKLEY, James Peter RESIGNED | Director | 01 Mar 2006 | 14 Jan 2010 | England | December 1962 | Hollins, The Park, Swanland, North Ferribly, East Yorkshire, HU14 3UL |
| CRAMB, David RESIGNED | Director | 06 Nov 1991 | 09 Jun 1998 | | May 1926 | Struan 45 Allerton Drive, Nether Poppleton, York, North Yorkshire, YO2 6NL |
| DAWSON, Michael John RESIGNED | Director | 08 Jun 1998 | 11 Nov 1999 | | January 1943 | The Doctors House, Askham Bryan, York, North Yorkshire, YO2 3QS |
| DUFFY, Neil Anthony RESIGNED | Director | 30 Apr 2003 | 01 Jun 2011 | England | March 1966 | 202 Cantley Lane, Doncaster, South Yorkshire, DN4 6PA |
| DYSON, Kevin Frederick RESIGNED | Director | 12 Jan 2010 | 26 Feb 2013 | United Kingdom | July 1964 | Whitley Lodge, Whitley Bridge, Yorkshire, DN14 0HR |
| ELSWORTHY, Stuart RESIGNED | Director | 08 Jun 1998 | 01 Mar 2002 | United Kingdom | November 1945 | Woodnorton Farmhouse, Woodnorton, Evesham, Worcestershire, WR11 4TE |
| HEWITT, David Bruce RESIGNED | Director | 06 Nov 1991 | 09 Jun 1998 | | October 1932 | Hurley Cottage, The Croft Wareside, Ware, Hertfordshire, SG12 7QP |
| PARKER, Shaun RESIGNED | Director | 10 Feb 2014 | 31 Dec 2016 | United Kingdom | February 1961 | Whitley Lodge, Whitley Bridge, Doncaster, West Yorkshire, DN14 0HR |
| PARSONS, Craig RESIGNED | Director | 31 Aug 2017 | 17 Jun 2019 | England | June 1970 | Whitley Lodge, Whitley Bridge, Yorkshire, DN14 0HR |
| RICE, William Anthony RESIGNED | Director | 05 Mar 2002 | 01 Mar 2006 | England | March 1952 | Briarfields Cranleigh Chase, The Common, Cranleigh, Surrey, GU6 8SH |
| STOBART, Paul Lancelot RESIGNED | Director | 27 Nov 2013 | 19 Sep 2016 | United Kingdom | May 1957 | Whitley Lodge, Doncaster Road, Whitley Bridge, Yorkshire, DN14 0HR, United Kingdom |
| SUTHERLAND, Gordon RESIGNED | Director | 19 Sep 2016 | 13 May 2022 | England | November 1958 | Whitley Lodge, Whitley Bridge, Yorkshire, DN14 0HR |
| WEBSTER, Richard Philip James RESIGNED | Director | 26 Feb 2013 | 10 Feb 2014 | England | May 1965 | Whitley Lodge, Whitley Bridge, Yorkshire, DN14 0HR |
| WHEELER, Robert Henry RESIGNED | Director | 30 Sep 2002 | 30 Apr 2003 | | January 1955 | Lane Head, Partridge Hill, Ashwell, Hertfordshire, SG7 5QZ |
| SIMCO DIRECTOR A LIMITED RESIGNED | Nominee Director | 13 Sep 1991 | 06 Nov 1991 | | | 41 Park Square, Leeds, West Yorkshire, LS1 2NS |
| SIMCO DIRECTOR B LIMITED RESIGNED | Nominee Director | 13 Sep 1991 | 06 Nov 1991 | | | 41 Park Square, Leeds, West Yorkshire, LS1 2DS, England |