| GEORGE, Ronnie ACTIVE | Director | 03 Feb 2012 | | United Kingdom | October 1969 | Vent-Axia, Fleming Way, Crawley, West Sussex, RH10 9YX, United Kingdom |
| O'BRIEN, Andrew ACTIVE | Director | 01 Aug 2019 | | England | March 1974 | C/O Volution Group Plc, Fleming Way, Crawley, West Sussex, RH10 9YX, England |
| AARON, Elaine RESIGNED | Secretary | | 29 Oct 1993 | | | Echo Lodge Farm, Wood Lane Brinkworth, Swindon, Wiltshire, SN15 5EF |
| BURDETT, Neil Robert RESIGNED | Secretary | 11 Dec 2000 | 02 Dec 2002 | | | 5 Oak House Parson Street, Hendon, London, NW4 1QJ |
| CLEWS, Simon Paul RESIGNED | Secretary | 02 Dec 2002 | 05 Jul 2006 | | | 25 Penners Gardens, Surbiton, Surrey, KT6 6JW |
| DIAMOND, Steven John RESIGNED | Secretary | 05 Jul 2006 | 03 Feb 2012 | | | 41 Aintree Drive, Downend, Bristol, Avon, BS16 6SY |
| DIAMOND, Steven John RESIGNED | Secretary | 15 Aug 1995 | 30 May 1997 | | | 41 Aintree Drive, Downend, Bristol, Avon, BS16 6SY |
| SMITH, Alan RESIGNED | Secretary | 31 May 1997 | 11 Dec 2000 | | | 37 Pattison Road, London, NW2 2HL |
| INVENSYS SECRETARIES LIMITED RESIGNED | Secretary | 29 Oct 1993 | 15 Aug 1995 | | | Invensys House, Carlisle Place, London, SW1P 1BX |
| BROWN, Robert Casson RESIGNED | Director | 29 Oct 1993 | 15 Aug 1995 | | March 1939 | 38 Newlands Avenue, Melton Park, Newcastle Upon Tyne, NE3 5PX |
| BUYSSE, Paul Henri Maria RESIGNED | Director | | 05 Apr 1994 | | March 1945 | Pater Nuyenslaan 21, 2970 Schildes Gravenwezel 2332, Belgium |
| CLEWS, Simon Paul RESIGNED | Director | 02 Dec 2002 | 05 Jul 2006 | | March 1963 | 25 Penners Gardens, Surbiton, Surrey, KT6 6JW |
| DAVIS, Ivor Stephen RESIGNED | Director | 26 Mar 2002 | 02 Dec 2002 | England | December 1961 | Meadow Cottage, Sunset Lane, West Chiltington, West Sussex, RH20 2NY |
| DAVIS, Rayhan Robin Roy RESIGNED | Director | 03 Feb 2012 | 19 Sep 2012 | Uk | June 1979 | Vent-Axia, Fleming Way, Crawley, West Sussex, RH10 9YX |
| DEW, Ian RESIGNED | Director | 24 Jan 2014 | 31 Jul 2019 | England | July 1959 | C/O Volution Group Plc, Fleming Way, Crawley, West Sussex, RH10 9YX, England |
| DIAMOND, Steven John RESIGNED | Director | 23 Feb 2007 | 03 Feb 2012 | England | January 1966 | 41 Aintree Drive, Downend, Bristol, Avon, BS16 6SY |
| DIAMOND, Steven John RESIGNED | Director | 15 Aug 1995 | 02 Dec 2002 | England | January 1966 | 41 Aintree Drive, Downend, Bristol, Avon, BS16 6SY |
| HOWARD, Philip RESIGNED | Director | | 28 Feb 1993 | | October 1939 | The Grange, 48 Lightridge Road Fixby, Huddersfield, West Yorkshire, HD2 2HL |
| JAMIESON, Iain Alexander RESIGNED | Director | 19 Sep 2012 | 24 Jan 2014 | United Kingdom | October 1966 | Vent Axia, Fleming Way, Crawley, West Sussex, RH10 9YX, Uk |
| O'DONOVAN, Kathleen Anne RESIGNED | Director | 29 Oct 1993 | 15 Aug 1995 | United Kingdom | May 1957 | 3c Cintra Park, Upper Norwood, London, SE19 2LH |
| PALAZZI, Joseph RESIGNED | Director | 25 Apr 1994 | 15 Aug 1995 | | July 1947 | 39 Villa Coublay, St Louis, Missouri, FOREIGN, Usa |
| PRIESTLEY, Robert RESIGNED | Director | | 05 Apr 1994 | England | February 1943 | 118 Huddersfield Road, Brighouse, Huddersfield, HD6 3RH |
| RUTTER, Lee Francis RESIGNED | Director | 25 Apr 1994 | 03 Feb 2012 | England | May 1963 | 3 Lydiard Green, Lydiard Millicent, Swindon, Wiltshire, SN5 3LP |
| SARGEANT, Kevin RESIGNED | Director | 02 Dec 2002 | 03 Feb 2012 | England | March 1957 | Rowgardens, Horsham Road, Cranleigh, Surrey, GU6 8EJ |
| TUCKER, Nigel RESIGNED | Director | 15 Aug 1995 | 28 Jun 2002 | | June 1952 | 21 Manor Close, Shrivenham, Swindon, Wiltshire, SN6 8AE |