| CENTRICA SECRETARIES LIMITED ACTIVE | Secretary | 13 May 2011 | | | | Millstream, Maidenhead Road, Windsor, SL4 5GD, United Kingdom |
| DICKINSON, James Michael ACTIVE | Director | 02 Oct 2023 | | United Kingdom | June 1980 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD, United Kingdom |
| PIKE, Christopher Richard ACTIVE | Director | 24 Nov 2025 | | United Kingdom | February 1980 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| WOOD, Matthew Christopher ACTIVE | Director | 24 Nov 2025 | | United Kingdom | June 1987 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| JONES, Brenda Mary RESIGNED | Secretary | | 13 May 2011 | | | Ash Paddock, Cuddington, Malpas, Cheshire, SY14 7AJ |
| BARBARO, Gab Saturnio RESIGNED | Director | 18 Jan 2012 | 10 Oct 2016 | England | July 1971 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| BASSIS, Anne Elizabeth RESIGNED | Director | 13 May 2011 | 18 Jan 2012 | United Kingdom | April 1971 | 30, The Causeway, Staines, TW18 3BY, United Kingdom |
| BERRYMAN, Mark Andrew RESIGNED | Director | 28 Mar 2025 | 24 Nov 2025 | United Kingdom | March 1977 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| BLACK, Peter Vernon RESIGNED | Director | 01 Mar 2014 | 10 Oct 2016 | United Kingdom | July 1960 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD, United Kingdom |
| BUCK, Steven John RESIGNED | Director | 20 Jul 2016 | 24 Jan 2018 | United Kingdom | February 1969 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| BURKE, David James RESIGNED | Director | 01 Dec 2008 | 13 May 2011 | United Kingdom | December 1973 | Ardencote, New Hall Lane, Bronington, Whitchurch, Shropshire, SY13 3HE |
| CAMPBELL, Justine Michelle RESIGNED | Director | 10 Oct 2016 | 27 Apr 2017 | United Kingdom | August 1970 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| CORBISHLEY, Derek RESIGNED | Director | 31 Mar 2006 | 13 May 2011 | England | June 1973 | Talbot Cottage, Gerald Road, Oxton, Wirrall, CH43 2LA |
| FLETCHER, Richard RESIGNED | Director | 11 Jul 2023 | 24 Nov 2025 | United Kingdom | June 1976 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| HANKEY, Donald William RESIGNED | Director | | 13 May 2011 | England | September 1952 | Smithy Bank, Sarn, Malpas, Cheshire, SY14 1BJ |
| HINDLEY, Simon Robert RESIGNED | Director | 01 Jan 2007 | 13 May 2011 | Wales | March 1972 | 36 Chester Road, Dobshill, Clwyd, CH5 3LZ |
| HODGES, Mark Steven RESIGNED | Director | 10 Oct 2016 | 28 Feb 2019 | United Kingdom | September 1965 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| JONES, Brenda Mary RESIGNED | Director | | 13 May 2011 | United Kingdom | March 1943 | Ash Paddock, Cuddington, Malpas, Cheshire, SY14 7AJ |
| JONES, Christopher Simon RESIGNED | Director | 01 Aug 2000 | 13 May 2011 | United Kingdom | April 1971 | Hill Top Barn, Willeymoor Lane, Tushingham, Whitchurch, Salop, SY13 4QN |
| JONES, Martin Philip RESIGNED | Director | 01 Aug 2000 | 13 May 2011 | England | December 1967 | Sunnyside Farm, Peckforton Hall Lane, Spurstow, Tarporley, Cheshire, CW6 9TF |
| JONES, Phillip Henry RESIGNED | Director | | 13 May 2011 | United Kingdom | October 1939 | Ash Paddock, Cuddington, Malpas, Cheshire, SY14 7AJ |
| KIRWAN, Michael David RESIGNED | Director | 01 Apr 2019 | 31 Aug 2020 | Ireland | September 1971 | 1, Warrington Place, Dublin, 2, Ireland |
| LANE, Gearoid Martin RESIGNED | Director | 13 May 2011 | 30 Oct 2012 | England | August 1964 | 30, The Causeway, Staines, TW18 3BY, United Kingdom |
| MAIN, Kenneth Michael Anidjar RESIGNED | Director | 09 Feb 2012 | 20 Jul 2016 | United Kingdom | June 1975 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD, United Kingdom |
| MUSSENDEN, Sarah Elizabeth RESIGNED | Director | 01 Jul 2019 | 30 Jun 2021 | United Kingdom | October 1965 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD, United Kingdom |
| NELSON, Paul Richard RESIGNED | Director | 01 Aug 2000 | 13 May 2011 | Wales | May 1968 | Matsons Croft, Millbrook Lane, Bangor Isycoed, Wrexham, Clwyd, LL13 0DB |
| PHILLIPS, Stuart David RESIGNED | Director | 30 Jun 2021 | 01 Dec 2022 | United Kingdom | March 1977 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD, United Kingdom |
| ROBERTSON, David Andrew RESIGNED | Director | 11 Jul 2023 | 24 Nov 2025 | United Kingdom | January 1983 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| RONALD, Ivan Edward RESIGNED | Director | 24 Jan 2018 | 05 Jul 2019 | England | November 1972 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| ROY, Rajarshi, Dr RESIGNED | Director | 27 Apr 2017 | 17 Dec 2023 | United Kingdom | January 1975 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| SIBER, Jana RESIGNED | Director | 01 Dec 2022 | 28 Feb 2025 | United Kingdom | May 1972 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD, United Kingdom |
| STOWELL, Wayne RESIGNED | Director | 31 Mar 2006 | 16 May 2008 | | June 1971 | 53 Taylor Road, Haydock, St Helens, Merseyside, WA11 0NY |
| TRUESDALE, Nevin John RESIGNED | Director | 13 May 2011 | 09 Feb 2012 | England | March 1974 | 30, The Causeway, Staines, TW18 3BY, United Kingdom |