| CROSBY-CLARKE, Robert ACTIVE | Director | 24 Jan 2020 | | England | May 1976 | H K Wentworth Limited, Ashby Business Park, Coalfield Way, Ashby-De-La-Zouch, Leicestershire, LE65 1JR |
| JAKEMAN, Ronald Leslie ACTIVE | Director | 16 Mar 2004 | | England | January 1951 | H K Wentworth Limited, Ashby Business Park, Coalfield Way, Ashby-De-La-Zouch, Leicestershire, LE65 1JR, United Kingdom |
| CROSBY-CLARKE, Robert RESIGNED | Secretary | 06 Apr 2021 | 05 May 2021 | | | H K Wentworth Limited, Ashby Business Park, Coalfield Way, Ashby-De-La-Zouch, Leicestershire, LE65 1JR |
| FERGUSON, Thomas Ivor RESIGNED | Secretary | 01 Jan 2000 | 19 Oct 2000 | | | 64 Pares Way, Ockbrook, Derbyshire, DE72 3TL |
| FOSTER, Geoffrey Iain RESIGNED | Secretary | 30 Nov 2001 | 30 Apr 2004 | | | The Hollies, Windmill Lane, Balsall Common, West Midlands, CV7 7GY |
| GEORGE, Simon William RESIGNED | Secretary | 24 Jan 2020 | 05 Apr 2021 | | | H K Wentworth Limited, Ashby Business Park, Coalfield Way, Ashby-De-La-Zouch, Leicestershire, LE65 1JR |
| HUMPHRIES, John Frank, Dr RESIGNED | Secretary | 01 Jun 2004 | 24 Jan 2020 | | | H K Wentworth Limited, Ashby Business Park, Coalfield Way, Ashby-De-La-Zouch, Leicestershire, LE65 1JR, United Kingdom |
| MACCAW, Robin Guy RESIGNED | Secretary | | 31 Dec 1999 | | | Tudor Cottage, Whitchurch On Thames, Reading, Berkshire, RG8 7EP |
| MCKENZIE, Alison Grace RESIGNED | Secretary | 25 Sep 2000 | 30 Nov 2001 | | | 9 Fairmile Court, Henley On Thames, Oxfordshire, Oxfordshire, RG9 2JP |
| BARNES, Michael John RESIGNED | Director | 01 Jan 2007 | 19 Dec 2008 | United Kingdom | August 1955 | 5 Cover Croft, Sutton Coldfield, West Midlands, B76 2BF |
| COX, Ian, Dr RESIGNED | Director | | 21 Mar 2000 | | November 1949 | 46 Marlborough Road, Maidenhead, Berkshire, SL6 4LG |
| FERGUSON, Thomas Ivor RESIGNED | Director | 01 Jan 2000 | 19 Oct 2000 | United Kingdom | April 1952 | 64 Pares Way, Ockbrook, Derbyshire, DE72 3TL |
| FINLAY, Elizabeth Frances Cameron RESIGNED | Director | 30 Mar 2004 | 31 May 2007 | | September 1951 | 11 Northcroft, Wooburn Green, Buckinghamshire, HP10 0BP |
| FINLAY, Elizabeth Frances Cameron RESIGNED | Director | 01 Jun 1995 | 31 May 2002 | | September 1951 | 18 Rosebery Avenue, High Wycombe, Buckinghamshire, HP13 7AH |
| FOSTER, Geoffrey Iain RESIGNED | Director | 30 Nov 2001 | 30 Apr 2004 | | September 1957 | The Hollies, Windmill Lane, Balsall Common, West Midlands, CV7 7GY |
| GUTCH, Chris, Dr RESIGNED | Director | | 30 Sep 1999 | | | Corner Cottage, Burchetts Green, Maidenhead, Berks, SL6 6QS |
| HUMPHRIES, John Frank, Dr RESIGNED | Director | 30 Mar 2004 | 24 Jan 2020 | United Kingdom | October 1941 | H K Wentworth Limited, Ashby Business Park, Coalfield Way, Ashby-De-La-Zouch, Leicestershire, LE65 1JR, United Kingdom |
| HUMPHRIES, John Frank, Dr RESIGNED | Director | | 31 May 2002 | | October 1941 | 14 Alcester Road, Lickey End, Bromsgrove, Worcestershire, B60 1JX |
| KINGSBURY, Gerald Richard Charlemont RESIGNED | Director | | 05 May 2021 | United Kingdom | May 1945 | H K Wentworth Limited, Ashby Business Park, Coalfield Way, Ashby-De-La-Zouch, Leicestershire, LE65 1JR, United Kingdom |
| KINGSBURY, Patricia Mary Charlemont, Lady RESIGNED | Director | | 31 May 2002 | | July 1919 | 6 Rupert Close, Henley On Thames, Oxfordshire, RG9 2JD |
| KINGSBURY, Philip Charles Orlando RESIGNED | Director | | 20 Jan 1993 | England | February 1944 | The Old Farm House, Stoke Row, Henley-On-Thames, Oxon, RG9 5QG |
| MACCAW, Robin Guy RESIGNED | Director | | 31 Dec 1999 | England | March 1945 | Tudor Cottage, Whitchurch On Thames, Reading, Berkshire, RG8 7EP |
| MCKENZIE, Alison Grace RESIGNED | Director | 25 Sep 2000 | 30 Nov 2001 | | October 1961 | 9 Fairmile Court, Henley On Thames, Oxfordshire, Oxfordshire, RG9 2JP |
| MOORE, Martin William RESIGNED | Director | 12 Sep 1997 | 04 Oct 2000 | | October 1956 | 13 Hadleigh Rise, Caversham, Reading, Berkshire, RG4 6RW |
| PRENTICE, Malcolm Jeremy RESIGNED | Director | | 31 May 2002 | England | December 1953 | The Lodge, 112 Springfield Road, Swadlincote, Derbyshire, DE11 0BU |
| STEPHENS, Maureen Deta RESIGNED | Director | 29 Mar 1993 | 31 May 2002 | United Kingdom | August 1948 | 46 Colleton Drive, Twyford, Berkshire, RG10 0AX |
| TADMAN, Justin Nicholas James RESIGNED | Director | 01 Jun 1995 | 13 Mar 1998 | | March 1967 | 23 Primrose Drive, Hartley Wintney, Basingstoke, Hampshire, RG27 8TN |
| WATSON, Stuart RESIGNED | Director | | 12 May 1993 | | December 1952 | 8 Vincent Close, Bromley, Kent, BR2 9ED, England |