| INVENSYS SECRETARIES LIMITED ACTIVE | Secretary | 31 Oct 1993 | | | | Schneider Electric, Stafford Park 5, Telford, TF3 3BL, England |
| HALL, David Anthony ACTIVE | Director | 02 Feb 2026 | | England | December 1967 | 2nd Floor, 80 Victoria Street, London, SW1E 5JL, England |
| WHITAKER, Jacqueline Yvette ACTIVE | Director | 01 Apr 2025 | | United Kingdom | November 1985 | 2nd Floor, 80 Victoria Street, London, SW1E 5JL, England |
| FERRIS, Anthony Gordon RESIGNED | Secretary | | 31 Oct 1993 | | | Ewelme, Ewen, Cirencester, Gloucestershire, GL7 6BU |
| BARKER, Martin John RESIGNED | Director | 04 Jun 1999 | 05 Mar 2003 | United Kingdom | April 1943 | 100 The Croft, Trowbridge, Wiltshire, BA14 0RW |
| BAYS, James Claude RESIGNED | Director | 02 Jul 1999 | 30 Mar 2001 | | July 1949 | 28 Elmstone Road, Fulham, London, SW6 5TN |
| BECKER, Kelly Jean RESIGNED | Director | 31 Dec 2020 | 02 Feb 2026 | United Kingdom | January 1978 | Schneider Electric, Stafford Park 5, Telford, TF3 3BL, England |
| BOULDING, John Richard Castledene RESIGNED | Director | | 31 Oct 1991 | | December 1933 | 87 Rowden Hill, Chippenham, Wiltshire, SN15 2AW |
| BROWN, Robert Casson RESIGNED | Director | 14 Dec 1993 | 31 Dec 1997 | | March 1939 | 38 Newlands Avenue, Melton Park, Newcastle Upon Tyne, NE3 5PX |
| CAMPION, Geoffrey Charles John RESIGNED | Director | 20 Oct 2003 | 31 Mar 2011 | England | February 1959 | 3rd Floor, 40, Grosvenor Place, London, SW1X 7AW |
| CLAYTON, John Reginald William RESIGNED | Director | 09 Feb 2001 | 31 Dec 2005 | England | December 1950 | Matley House, Grange Lane, Little Dunmow, Great Dunmow, Essex, CM6 3HY |
| COCHRANE, Adam Craven RESIGNED | Director | 01 May 2001 | 31 Jan 2003 | | July 1957 | 41 Highfield Drive, Uxbridge, Middlesex, UB10 8AW |
| CROWTHER, Brian Edward RESIGNED | Director | 13 Oct 1992 | 12 Jul 2003 | | November 1948 | Moat Springs Barn Gorsty Hill, Marchington Woodlands, Uttoxeter, Staffordshire, ST14 8PQ |
| DRUMMOND, James Edward Macgregor RESIGNED | Director | 24 Jul 2006 | 30 Jun 2011 | United Kingdom | March 1962 | 3rd Floor, 40, Grosvenor Place, London, SW1X 7AW |
| FERRIS, Anthony Gordon RESIGNED | Director | | 04 Jun 1999 | United Kingdom | June 1943 | Ewelme, Ewen, Cirencester, Gloucestershire, GL7 6BU |
| GRANT, Howard Robert RESIGNED | Director | | 30 Sep 1992 | | November 1940 | Elmsleigh Market Place, Colerne, Chippenham, Wiltshire, SN14 8DF |
| HUGHES, Michael Patrick RESIGNED | Director | 12 Sep 2017 | 31 Dec 2020 | England | June 1965 | Schneider Electric, Stafford Park 5, Telford, TF3 3BL, England |
| HULL, Victoria Mary RESIGNED | Director | 01 Jan 2006 | 31 Mar 2014 | United Kingdom | March 1962 | 3rd Floor, 40, Grosvenor Place, London, SW1X 7AW |
| LAMBETH, Trevor RESIGNED | Director | 31 Mar 2014 | 31 Mar 2022 | England | November 1963 | Schneider Electric, Stafford Park 5, Telford, TF3 3BL, England |
| RANDERY, Tanuja RESIGNED | Director | 01 Mar 2015 | 13 Sep 2017 | England | September 1966 | Schneider Electric, Stafford Park 5, Telford, TF3 3BL, England |
| SAGE, Antoine Marie RESIGNED | Director | 15 Feb 2022 | 01 Apr 2025 | England | September 1982 | Schneider Electric, 80 Victoria Street, London, SW1E 5JL, England |
| SMITH, Nigel Watkin Roberts RESIGNED | Director | 20 Oct 2003 | 29 Jun 2006 | England | June 1954 | Charleswood House Bull Lane, Gerrards Cross, Buckinghamshire, SL9 8RL |
| STEVENS, David John RESIGNED | Director | 31 Dec 1997 | 14 May 1999 | | March 1950 | 42 Burghley Road, Wimbledon, London, SW19 5HN |
| THOM, James Demmink RESIGNED | Director | 14 Dec 1993 | 09 Feb 2001 | | July 1946 | Tollgate Cottage, Turners Hill Road, Crawley Down, West Sussex, RH10 4HG |
| THOMAS, David Jeremy RESIGNED | Director | 01 Apr 2003 | 31 Mar 2014 | United Kingdom | May 1954 | 3rd Floor, 40, Grosvenor Place, London, SW1X 7AW |
| THOROGOOD, Stuart RESIGNED | Director | 31 Mar 2014 | 01 Mar 2015 | England | January 1958 | 2nd Floor, 80, Victoria Street, London, SW1E 5JL, England |