| INVENSYS SECRETARIES LIMITED ACTIVE | Secretary | 23 Feb 2000 | | | | 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 |
| COLES, Richard Paul Atwell RESIGNED | Secretary | 12 Mar 1993 | 23 Feb 2000 | | | 30 Devereux Road, Windsor, Berkshire, SL4 1JJ |
| GREWER, Geoffrey RESIGNED | Secretary | | 20 Apr 1993 | | | Askham House 129 Main Street, Askham Bryan, York, YO23 3QS |
| BAYS, James Claude RESIGNED | Director | 23 Feb 2000 | 30 Mar 2001 | | July 1949 | 28 Elmstone Road, Fulham, London, SW6 5TN |
| 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 |
| COLES, Richard Paul Atwell RESIGNED | Director | 25 Apr 1994 | 31 Jan 2003 | | November 1942 | 30 Devereux Road, Windsor, Berkshire, SL4 1JJ |
| COLES, Richard Paul Atwell RESIGNED | Director | 12 Mar 1993 | 01 Sep 1993 | | November 1942 | 30 Devereux Road, Windsor, Berkshire, SL4 1JJ |
| COX, Philip Gotsall RESIGNED | Director | 31 Dec 1998 | 28 Apr 2000 | England | September 1951 | Thatch Cottage, Collinswood Road, Farnham Common, Berkshire, SL2 3LH |
| DAVIDSON, Duncan Henry RESIGNED | Director | | 20 Apr 1993 | United Kingdom | March 1941 | Lilburn Tower, Alnwick, Northumberland, NE66 4PQ |
| GREWER, Geoffrey RESIGNED | Director | | 20 Apr 1993 | United Kingdom | April 1942 | Askham House 129 Main Street, Askham Bryan, York, YO23 3QS |
| HULL, Victoria Mary RESIGNED | Director | 01 Jan 2006 | 31 Mar 2014 | United Kingdom | March 1962 | 3rd Floor, 40, Grosvenor Place, London, SW1X 7AW, England |
| JACOBS, Ronnie Alexander RESIGNED | Director | | 20 Apr 1993 | Scotland | October 1950 | 3 Avonmill Road, Linlithgow Bridge, Linlithgow, West Lothian, EH49 7SQ |
| LAMBETH, Trevor RESIGNED | Director | 31 Mar 2014 | 31 Mar 2022 | England | November 1963 | Schneider Electric, Stafford Park 5, Telford, TF3 3BL, England |
| LATIMER, John Geoffrey RESIGNED | Director | 12 Mar 1993 | 01 Sep 1993 | | November 1935 | 9 Ashcroft Court, Burnham, Buckinghamshire, SL1 8JT |
| MANN, Roger RESIGNED | Director | 01 Sep 1993 | 31 Dec 1998 | | June 1939 | 13 Beverley Close, Lingwood, Camberley, Surrey, GU15 1HF |
| MILLAR, John RESIGNED | Director | | 20 Apr 1993 | Scotland | February 1944 | 18 Davieland Road, Glasgow, G46 7LA |
| SAGE, Antoine Marie RESIGNED | Director | 15 Feb 2022 | 01 Apr 2025 | England | September 1982 | Schneider Electric, 80 Victoria Street, London, SW1E 5JL, England |
| SANDS, Caroline Ann RESIGNED | Director | 31 Jul 2015 | 31 Mar 2020 | England | August 1960 | Schneider Electric, Stafford Park 5, Telford, TF3 3BL, England |
| SMITH, Kevin Charles RESIGNED | Director | 31 Jan 2009 | 31 Jul 2015 | United Kingdom | August 1959 | 2nd Floor, 80, Victoria Street, London, SW1E 5JL, England |
| STEPHENS, Edwin Barrie RESIGNED | Director | 01 Sep 1993 | 01 Jan 1994 | | January 1928 | Wedgewood Dukes Covert, Bagshot, Surrey, GU19 5HU |
| THOM, James Demmink RESIGNED | Director | 23 Feb 2000 | 09 Feb 2001 | | July 1946 | Tollgate Cottage, Turners Hill Road, Crawley Down, West Sussex, RH10 4HG |
| THOMAS, David Jeremy RESIGNED | Director | 01 Apr 2003 | 02 Mar 2009 | United Kingdom | May 1954 | 11 Coutts Crescent, 13-23 St Albans Road, London, NW5 1RF |
| URQUHART, Gordon Alexander RESIGNED | Director | | 20 Apr 1993 | | February 1950 | 37 Waverley Terrace, Larbert, Falkirk, FK5 3HT |
| YURKO, Allen Michael RESIGNED | Director | 01 Sep 1993 | 31 Jan 2002 | | September 1951 | 4 Collingham Gardens, London, SW5 0HW |