| CENTRICA SECRETARIES LIMITED ACTIVE | Secretary | 27 Mar 2003 | | | | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| BEBBINGTON, Christopher Andrew ACTIVE | Director | 01 Jan 2026 | | England | February 1975 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| BESSELL, James Stephen ACTIVE | Director | 01 Jan 2026 | | England | June 1977 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| KIRWAN, Michael David ACTIVE | Director | 06 Jan 2025 | | Ireland | September 1971 | 1, Warrington Place, Dublin, 2, Ireland |
| RM REGISTRARS LIMITED RESIGNED | Secretary | 27 Mar 2003 | 27 Mar 2003 | | | 2nd Floor, 80 Great Eastern Street, London, EC2A 3RX |
| ARCHER, Jennifer Louise RESIGNED | Director | 03 Feb 2025 | 27 May 2025 | United Kingdom | July 1983 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD, United Kingdom |
| BARLOW, Alan Kenneth RESIGNED | Director | 09 Dec 2019 | 05 Jul 2021 | England | September 1964 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD, United Kingdom |
| BENNETT, Alan RESIGNED | Director | 09 May 2003 | 31 Oct 2007 | United Kingdom | May 1952 | Hillside Cottage, Hillside Park, Sunningdale, Berkshire, SL5 0EY |
| BRADLEY, Jonathan Paul RESIGNED | Director | 11 Feb 2004 | 11 Mar 2008 | | September 1956 | Milford, 55 Stradbroke Grove, Buckhurst Hill, Essex, IG9 5PE |
| CLARKE, David RESIGNED | Director | 09 May 2003 | 18 Aug 2003 | | April 1953 | 38 London Road, Harston, Cambridge, CB2 5QH |
| COLLINSON, Graeme Stuart, Dr RESIGNED | Director | 13 Feb 2009 | 01 Jan 2014 | England | May 1956 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| DAWSON, Ian Grant RESIGNED | Director | 27 Mar 2003 | 09 May 2003 | United Kingdom | March 1959 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| DENNIS, Michael Kenneth RESIGNED | Director | 06 Nov 2019 | 07 May 2024 | United Kingdom | July 1981 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD, United Kingdom |
| DICKINSON, James Michael RESIGNED | Director | 02 Oct 2023 | 19 Jun 2026 | United Kingdom | June 1980 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD, United Kingdom |
| FUTYAN, Mark Ramsey RESIGNED | Director | 22 Apr 2014 | 09 Dec 2019 | England | March 1978 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD, United Kingdom |
| GARSTANG, Michael John RESIGNED | Director | 09 May 2003 | 30 Jun 2008 | United Kingdom | June 1948 | Knott Barn, Tatham Fells, Wray, Lancaster, LA2 8PS |
| GOODWIN, Simon Jonathan RESIGNED | Director | 11 Feb 2004 | 31 Oct 2007 | England | May 1962 | 73 Langfield Road, Knowle, Solihull, West Midlands, B93 9PS |
| GOODWIN, Simon Jonathan RESIGNED | Director | 09 May 2003 | 11 Feb 2004 | England | May 1962 | 73 Langfield Road, Knowle, Solihull, West Midlands, B93 9PS |
| HINTON, Thomas Edward RESIGNED | Director | 30 Jun 2010 | 15 Nov 2013 | United Kingdom | March 1979 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| KING, Amanda Jane RESIGNED | Director | 18 Aug 2003 | 01 Aug 2006 | | May 1969 | 104 Ramillies Road, Chiswick, London, W4 1JA |
| KNIGHT, John Edward RESIGNED | Director | 01 Jan 2014 | 24 Oct 2014 | England | May 1966 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| KOCH DE GOOREYND, Peter Frederick Leopold RESIGNED | Director | 02 Feb 2015 | 05 Sep 2016 | England | July 1958 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| LAWTON, Paul Stephen RESIGNED | Director | 23 Jul 2021 | 01 Oct 2021 | United Kingdom | March 1966 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD, United Kingdom |
| LONGMUIR, Ailsa Zoya RESIGNED | Director | 21 Mar 2022 | 26 Jun 2023 | United Kingdom | November 1982 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD, United Kingdom |
| MANCEY, Stephen John RESIGNED | Director | 09 May 2003 | 11 Feb 2004 | | March 1955 | Delamere House, Manor Road, Penn, Buckinghamshire, HP10 8JA |
| MCCORD, Richard Matthew RESIGNED | Director | 15 Nov 2013 | 06 Nov 2019 | United Kingdom | September 1973 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| MCKENNA, Gregory Craig RESIGNED | Director | 21 Mar 2022 | 03 Jun 2024 | England | January 1966 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD, United Kingdom |
| PARK, John Thomas RESIGNED | Director | 06 Sep 2024 | 22 Dec 2025 | United Kingdom | February 1974 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| REES, Bleddyn William Vaughan RESIGNED | Director | 01 Oct 2021 | 01 Feb 2024 | England | March 1985 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD, United Kingdom |
| SAMBHI, Sarwjit RESIGNED | Director | 11 Mar 2008 | 12 Aug 2013 | United Kingdom | July 1969 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| SPENCE, James RESIGNED | Director | 31 Oct 2007 | 30 Jun 2010 | United Kingdom | November 1968 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| TAYLOR, Mark RESIGNED | Director | 04 Oct 2016 | 30 Apr 2018 | United Kingdom | September 1970 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| THOM, Stuart Alexander RESIGNED | Director | 07 May 2024 | 06 Sep 2024 | England | October 1974 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| ULRICH, Jacob Shields RESIGNED | Director | 27 Mar 2003 | 09 May 2003 | England | February 1953 | 74 Drayton Gardens, London, SW10 9SB |
| WATTS, John Frederick Watson RESIGNED | Director | 31 Oct 2007 | 22 Apr 2014 | United Kingdom | November 1954 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| WEST, Teresa Ann RESIGNED | Director | 27 May 2025 | 22 Dec 2025 | United Kingdom | February 1983 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD, United Kingdom |
| WISING, Karin Ulrika RESIGNED | Director | 03 Jun 2024 | 18 Dec 2024 | England | July 1973 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| WOOD, Ian RESIGNED | Director | 09 May 2003 | 11 Feb 2004 | | December 1958 | Fellside, Scarrows Lane, Lazonby, Cumbria, CA10 1AT |
| WRIGHT, Benedict William John Thorpe RESIGNED | Director | 14 Aug 2006 | 31 Oct 2007 | | June 1972 | 50 Eastbury Grove, Chiswick, London, W4 2JU |
| RM NOMINEES LIMITED RESIGNED | Director | 27 Mar 2003 | 27 Mar 2003 | | | Second Floor 80 Great Eastern Street, London, EC2A 3RX |