| DICK, Alastair Peter Orford ACTIVE | Director | 14 Mar 2019 | | United Kingdom | June 1983 | Unit A, Brook Park East, Shirebrook, NG20 8RY, United Kingdom |
| MOORE, Adam Lee ACTIVE | Director | 05 Dec 2024 | | United Kingdom | August 1986 | Unit A, Brook Park East, Shirebrook, NG20 8RY |
| MARCHETTI, Carlo Antonio RESIGNED | Secretary | | 31 Jul 1992 | | | Glenwood Woodland Rise, Sevenoaks, Kent, TN15 0HZ |
| MELLORS, Robert Frank RESIGNED | Secretary | 30 Jun 2004 | 26 Aug 2008 | | | The Warrener, Warren Row, Reading, Berkshire, RG10 8QS |
| MOODIE, Gordon Murray RESIGNED | Secretary | 16 Jul 1992 | 31 May 1994 | | | 1 Forest Lodge, Epsom Road, Ashtead, Surrey, KT21 1JX |
| OLSEN, Cameron John RESIGNED | Secretary | 04 Dec 2013 | 01 Jul 2019 | | | Unit A, Brook Park East, Shirebrook, NG20 8RY, United Kingdom |
| PIPER, Thomas James RESIGNED | Secretary | 01 Jul 2019 | 28 Jul 2022 | | | Unit A, Brook Park East, Shirebrook, NG20 8RY, United Kingdom |
| RITCHIE, Alistair John, Sol RESIGNED | Secretary | 17 May 1999 | 30 Jun 2004 | | | Waterman's Lodge, 15 Beales Lane, Weybridge, Surrey, KT13 8JS |
| SIMPSON, Brian Charles RESIGNED | Secretary | 23 Apr 1997 | 17 May 1999 | | | 15 Langham Way, Wargrave, Berkshire, RG10 8AX |
| TYLEE-BIRDSALL, Rebecca Louise RESIGNED | Secretary | 26 Aug 2008 | 04 Dec 2013 | | | Unit A, Brook Park East, Shirebrook, NG20 8RY, United Kingdom |
| INVENSYS SECRETARIES LIMITED RESIGNED | Secretary | 31 May 1994 | 08 Mar 1996 | | | Invensys House, Carlisle Place, London, SW1P 1BX |
| ADEGOKE, Adedotun Ademola RESIGNED | Director | 14 Oct 2016 | 05 Dec 2024 | United Kingdom | June 1973 | Unit A, Brook Park East, Shirebrook, NG20 8RY, United Kingdom |
| ASHLEY, Michael James Wallace RESIGNED | Director | 31 Dec 2013 | 14 Oct 2016 | England | December 1964 | Unit A, Brook Park East, Shirebrook, NG20 8RY, United Kingdom |
| AUSTEN, Patrick George RESIGNED | Director | | 22 Jan 1993 | | September 1943 | 14 Chantry View Road, Guildford, Surrey, GU1 3XR |
| BAIRD, Gordon Martin RESIGNED | Director | 13 May 1991 | 13 Nov 1997 | | December 1959 | The Lodge Eltofts Park, Thorton, Leeds, West Yorkshire, LS14 3HR |
| BROWN, Robert Casson RESIGNED | Director | 08 Aug 1994 | 08 Mar 1996 | | March 1939 | 38 Newlands Avenue, Melton Park, Newcastle Upon Tyne, NE3 5PX |
| FORSEY, David Michael RESIGNED | Director | 22 Aug 2005 | 14 Oct 2016 | England | June 1966 | Unit A, Brook Park East, Shirebrook, NG20 8RY, United Kingdom |
| HOUGHTON, Frank Raymond RESIGNED | Director | | 12 May 1991 | | May 1931 | 4 The Paddock, Harston, Cambridge, Cambridgeshire, CB2 5PR |
| JACOBS, David Michael RESIGNED | Director | 08 Jun 1995 | 05 Mar 1998 | | March 1944 | Riverside House, Hall Cottages Lodden Drive, Reading, Berkshire, RG10 8ND |
| JENKINS, Brian John RESIGNED | Director | | 29 Feb 1992 | England | October 1933 | 27 Fort Road, Guildford, Surrey, GU1 3TE |
| LOVELL, Alan Charles RESIGNED | Director | 19 Sep 1997 | 30 Sep 2004 | England | November 1953 | The Palace House, Bishops Lane, Bishops Waltham, Hampshire, SO32 1DP |
| MARCHETTI, Carlo Antonio RESIGNED | Director | | 31 Jul 1992 | | April 1951 | Glenwood Woodland Rise, Sevenoaks, Kent, TN15 0HZ |
| MARNOCH, Alasdair, Mr. RESIGNED | Director | 31 Jan 2003 | 02 Aug 2004 | England | March 1963 | Bramble Bottom, Wedmans Lane, Rotherwick, Hampshire, RG27 9BX |
| MELLORS, Robert Frank RESIGNED | Director | 22 Aug 2005 | 31 Dec 2013 | United Kingdom | May 1950 | Unit A, Brook Park East, Shirebrook, NG20 8RY, United Kingdom |
| MOODIE, Gordon Murray RESIGNED | Director | 16 Jul 1992 | 21 Aug 1997 | | December 1953 | 1 Forest Lodge, Epsom Road, Ashtead, Surrey, KT21 1JX |
| O'DONOVAN, Kathleen Anne RESIGNED | Director | 01 Sep 1992 | 08 Aug 1994 | United Kingdom | May 1957 | 3c Cintra Park, Upper Norwood, London, SE19 2LH |
| PARNELL, Philip John RESIGNED | Director | 05 Mar 1998 | 17 Aug 2004 | England | May 1952 | The Old Bell House, The Common, Penn, Buckinghamshire, HP10 8LQ |
| RONNIE, Christopher RESIGNED | Director | 30 Jun 2004 | 01 Nov 2006 | | March 1962 | 18 Macclesfield Road, Wilmslow, Cheshire, SK9 2AA |
| STOCKTON, Rachel Isabel Lilian RESIGNED | Director | 14 Oct 2016 | 14 Mar 2019 | United Kingdom | August 1970 | Unit A, Brook Park East, Shirebrook, NG20 8RY, United Kingdom |
| THOM, James Demmink RESIGNED | Director | 08 Aug 1994 | 08 Mar 1996 | | July 1946 | Tollgate Cottage, Turners Hill Road, Crawley Down, West Sussex, RH10 4HG |
| WILLIAMS, Stanley Killa RESIGNED | Director | 01 Sep 1992 | 08 Aug 1994 | England | July 1945 | White Raven, Park Lane, Ashtead, Surrey, KT21 1EU |
| WRAGG, James Philip RESIGNED | Director | 01 Mar 1992 | 29 Nov 1996 | | September 1947 | The Old Vicarage, Gaydon, Warwickshire, CV35 0HD |