| INVENSYS SECRETARIES LIMITED ACTIVE | Secretary | 31 Oct 2000 | | | | Schneider Electric, Stafford Park 5, Telford, TF3 3BL, England |
| HALL, David Anthony ACTIVE | Director | 02 Feb 2026 | | United Kingdom | 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 |
| BRADLEY, Peter Derek RESIGNED | Secretary | | 31 Oct 2000 | | | Shalfords, Old Barn Drive Capel, Dorking, Surrey, RH5 5LQ |
| BIDDLE, Robert Martin RESIGNED | Director | | 27 Jul 1998 | | September 1948 | Chiddinghurst, Chiddingstone, Edenbridge, Kent, TN8 7AN |
| BRADLEY, Peter Derek RESIGNED | Director | 05 Oct 2000 | 28 Jun 2002 | | June 1947 | Shalfords, Old Barn Drive Capel, Dorking, Surrey, RH5 5LQ |
| CLAYTON, John Reginald William RESIGNED | Director | 01 May 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 | 26 Jun 1998 | 31 Jan 2003 | | November 1942 | 30 Devereux Road, Windsor, Berkshire, SL4 1JJ |
| COX, Philip Gotsall RESIGNED | Director | 26 Jun 1998 | 28 Apr 2000 | England | September 1951 | Thatch Cottage, Collinswood Road, Farnham Common, Berkshire, SL2 3LH |
| DELBRIDGE, Richard RESIGNED | Director | 01 May 1996 | 01 Oct 1996 | | May 1942 | 48 Downshire Hill, London, NW3 1NX |
| GORLIN, Ronald Vladimir RESIGNED | Director | | 31 Aug 1994 | | July 1937 | 125 Portland Road, London, W11 4LW |
| HANN, James, Sir RESIGNED | Director | 07 Aug 1996 | 25 Jun 1998 | | January 1933 | Bramley Cottage Bullhouse Lane, Wrington, Bristol, North Somerset, BS40 5NY |
| HARTNETT, James Arthur RESIGNED | Director | | 20 Nov 1997 | | March 1914 | Belmoredean, Maplehurst Road West Grinstead, Horsham, West Sussex, RH13 6RN |
| HULL, Victoria Mary RESIGNED | Director | 01 Jan 2006 | 31 Mar 2014 | United Kingdom | March 1962 | 3rd Floor, 40, Grosvenor Place, London, SW1X 7AW |
| HULTMAN, Claes Arthur RESIGNED | Director | | 27 Jul 1998 | | November 1946 | Watersteps 9 Oakwood Road, Wentworth, Virginia Water, Surrey, GU25 4RZ |
| JERRAM, Jeremy James RESIGNED | Director | 22 Oct 1996 | 25 Jun 1998 | England | August 1939 | 5, Barncroft Way, St Albans, Hertfordshire, AL1 5QZ |
| LAMBETH, Trevor RESIGNED | Director | 31 Mar 2014 | 31 Mar 2022 | England | November 1963 | Schneider Electric, Stafford Park 5, Telford, TF3 3BL, England |
| LEONARD, Jack Lawrence, Dr RESIGNED | Director | | 07 Aug 1996 | | November 1931 | Downs Edge Stable Lane, Findon, Worthing, West Sussex, BN14 0RR |
| SAGE, Antoine Marie RESIGNED | Director | 15 Feb 2022 | 01 Apr 2025 | England | September 1982 | Schneider Electric, 80 Victoria Street, London, SW1E 5JL, England |
| SARNEY, George William, Dr RESIGNED | Director | 26 Jun 1998 | 31 Dec 1999 | | July 1939 | 50 Myopia Road, Winchester, Massachusetts, 01860, Usa |
| SMITH, Kevin Charles RESIGNED | Director | 31 Jan 2009 | 31 Jul 2015 | United Kingdom | August 1959 | 2nd Floor, 80, Victoria Street, London, SW1E 5JL, England |
| TAYLOR, Sidney RESIGNED | Director | 04 Jan 1994 | 11 Feb 1997 | England | August 1934 | Tivoli Lodge, Tivoli Road The Park, Cheltenham, Gloucestershire, GL50 2TG |
| 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 |
| TOMKINS, Peter John RESIGNED | Director | 15 Jan 2004 | 31 Mar 2007 | | March 1947 | Beech Tree Corner, Georges Lane, Storrington, West Sussex, RH20 3JH |
| WADE, Peter Aidan, Doctor RESIGNED | Director | 01 May 1996 | 05 Oct 2000 | | January 1943 | Sundial House The Alley, Church Street Amberley, Arundel, West Sussex, BN18 9NG |
| WILLIAMS, Rhys John RESIGNED | Director | 27 Oct 1993 | 11 Feb 1997 | England | February 1934 | 144a Kenilworth Road, Coventry, West Midlands, CV4 7AP |
| YURKO, Allen Michael RESIGNED | Director | 26 Jun 1998 | 31 Jan 2002 | | September 1951 | 4 Collingham Gardens, London, SW5 0HW |