| SEMPERIAN SECRETARIAT SERVICES LIMITED ACTIVE | Secretary | 15 Feb 2007 | | | | 4th Floor, 1 Gresham Street, London, EC2V 7BX, United Kingdom |
| MCLELLAN, Kenneth Andrew ACTIVE | Director | 13 Oct 2014 | | Scotland | November 1961 | Third Floor, Broad Quay House, Prince Street, Bristol, BS1 4DJ, United Kingdom |
| RITCHIE, Alan Campbell ACTIVE | Director | 01 Jun 2016 | | United Kingdom | April 1967 | Third Floor, Broad Quay House, Prince Street, Bristol, BS1 4DJ, United Kingdom |
| AUSTIN, Robert John RESIGNED | Secretary | 20 May 1997 | 01 Jun 2001 | | | The Cottage 8 Dockroyd, Oakworth, Keighley, West Yorkshire, BD22 7RH |
| BARBER, David Alan RESIGNED | Secretary | 01 Jun 2001 | 15 Jan 2007 | | | 14 Pinewood Gate, Harrogate, North Yorkshire, HG2 0JF |
| GRAEME, Dorothy May RESIGNED | Nominee Secretary | 20 May 1997 | 20 May 1997 | | | 61 Fairview Avenue, Gillingham, Kent, ME8 0QP |
| PARRY, Alexander Toby Shedden RESIGNED | Secretary | 15 Jan 2007 | 15 Feb 2007 | | | 5 Norfolk Gardens, Tockwith, York, YO26 7QW |
| AUSTIN, Robert John RESIGNED | Director | 20 May 1997 | 15 Feb 2007 | United Kingdom | July 1964 | Gappe Stones Lothersdale Road, Glusburn, Keighley, North Yorkshire, BD20 8JN |
| BACHMANN, Peter George RESIGNED | Director | 15 Feb 2007 | 02 Jan 2008 | United Kingdom | March 1977 | 117a Mortimer Road, London, N1 4JY |
| BIRCH, Alan Edward RESIGNED | Director | 01 Dec 2007 | 06 Feb 2014 | United Kingdom | March 1970 | Third Floor, Broad Quay House, Prince Street, Bristol, BS1 4DJ, United Kingdom |
| COPLEY, Peter Paul RESIGNED | Director | 07 Sep 1999 | 15 Feb 2007 | England | July 1956 | 113 Shepherds Lane, Dartford, Kent, DA1 2PA |
| DODD, Phillip Joseph RESIGNED | Director | 06 Feb 2014 | 01 Jun 2016 | United Kingdom | September 1955 | Third Floor, Broad Quay House, Prince Street, Bristol, BS1 4DJ, United Kingdom |
| GRAEME, Lesley Joyce RESIGNED | Nominee Director | 20 May 1997 | 20 May 1997 | | December 1953 | 61 Fairview Avenue, Gillingham, Kent, ME8 0QP |
| HORNBY, Stephen Paul RESIGNED | Director | 26 Mar 2009 | 03 Sep 2012 | United Kingdom | June 1957 | St. Martins House, 1 Gresham Street, London, EC2V 7BX, United Kingdom |
| HUMPHREYS, Kevin RESIGNED | Director | 02 Jan 2008 | 12 Jan 2009 | | September 1963 | 5 Standring Gardens, Eccleston Hill, St Helens, WA10 3BB |
| POWNALL, Harvey John William RESIGNED | Director | 12 Jan 2009 | 13 Oct 2014 | United Kingdom | July 1966 | Third Floor, Broad Quay House, Prince Street, Bristol, BS1 4DJ, United Kingdom |
| SEARCH, Annabel Shirley RESIGNED | Director | 20 May 1997 | 13 Jun 2005 | | July 1963 | Old Orchard House Church Street, Goldsborough, Knaresborough, North Yorkshire, HG5 8NR |
| SPARKS, Russell George RESIGNED | Director | 27 Jun 2014 | 03 Aug 2015 | United Kingdom | June 1971 | Third Floor, Broad Quay House, Prince Street, Bristol, BS1 4DJ, United Kingdom |
| STOVOLD, Nicholas Howard RESIGNED | Director | 03 Aug 2015 | 29 Aug 2017 | United Kingdom | November 1979 | Third Floor, Broad Quay House, Prince Street, Bristol, BS1 4DJ, United Kingdom |
| TAEE, Eric Frank RESIGNED | Director | 11 May 1998 | 13 Jun 2005 | | March 1927 | 62 Duchy Road, Harrogate, North Yorkshire, HG1 2EZ |
| TAEE, Nigel Duncan RESIGNED | Director | 20 May 1997 | 15 Feb 2007 | England | February 1961 | Scarlet Hollies, Pinewood Road, Wentworth, Surrey, GU25 4PA |
| TAEE, Nora Evelyn RESIGNED | Director | 11 May 1998 | 13 Jun 2005 | | September 1929 | Dalguise House, 62 Duchy Road, Harrogate, North Yorkshire, HG1 2EZ |
| WILLIAMS, Barry Simon, Mr. RESIGNED | Director | 15 Feb 2007 | 14 Aug 2007 | United Kingdom | September 1970 | 208 Worple Road, Wimbledon, London, SW20 8RH |