| CENTRICA SECRETARIES LIMITED ACTIVE | Secretary | 08 Sep 2000 | | | | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| BALAN, Arvind Philip ACTIVE | Director | 30 Jun 2026 | | United Kingdom | May 1980 | Millstream Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| BOOKER, Gary James Charles ACTIVE | Director | 01 Oct 2025 | | United Kingdom | August 1970 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD, United Kingdom |
| ROY, Rajarshi, Dr ACTIVE | Director | 27 Apr 2017 | | United Kingdom | January 1975 | Millstream Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| WOOD, Matthew Christopher ACTIVE | Director | 01 Oct 2025 | | United Kingdom | June 1987 | Millstream Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| CALDWELL, Lucy Elizabeth RESIGNED | Secretary | 01 Dec 1997 | 08 Sep 2000 | | | 19 St Davids Drive, Englefield Green, Surrey, TW20 0BA |
| FURMSTON, Teresa Jane RESIGNED | Secretary | 01 Dec 1997 | 22 Feb 1999 | | | 12 Hinchley Close, Esher, Surrey, KT10 0BY |
| FURMSTON, Teresa Jane RESIGNED | Secretary | 30 Jan 1997 | 01 Dec 1997 | | | 55 Mayfield Avenue, Southgate, London, N14 6DY |
| GARRIHY, Anne RESIGNED | Secretary | 22 Feb 1999 | 08 Sep 2000 | | | 38 Bunbury Way, Epsom, Surrey, KT17 4JP |
| GARRIHY, Anne RESIGNED | Secretary | 27 Jun 1996 | 01 Dec 1997 | | | 38 Bunbury Way, Epsom, Surrey, KT17 4JP |
| GARRIHY, Anne RESIGNED | Secretary | 06 Jul 1995 | 19 Jan 1996 | | | 38 Bunbury Way, Epsom, Surrey, KT17 4JP |
| JACKSON, John Henry RESIGNED | Secretary | 19 Jan 1996 | 27 Jun 1996 | | | 152 Grosvenor Road, London, SW1V 3JL |
| MACAULAY, Barbara Scott RESIGNED | Secretary | 06 Jul 1995 | 19 Jan 1996 | | | 1 Mayfield Close, Harpenden, Hertfordshire, AL5 3LG |
| PATIENCE, Donald William John RESIGNED | Secretary | 25 Jan 1996 | 30 Jan 1997 | | | Burnside Little Ann, Abbotts Ann, Andover, Hampshire, SP11 7NW |
| COMBINED SECRETARIAL SERVICES LIMITED RESIGNED | Nominee Secretary | 06 Jul 1995 | 06 Jul 1995 | | | Victoria House, 64 Paul Street, London, EC2A 4NG |
| ALEXANDER, Michael Richard RESIGNED | Director | 19 Jan 1996 | 28 Feb 2003 | United Kingdom | November 1947 | 1 Hibberts Way, Gerrards Cross, Buckinghamshire, SL9 8UD |
| BARBARO, Gab Saturnio RESIGNED | Director | 23 Feb 2016 | 31 Aug 2020 | England | July 1971 | Millstream Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| BARTLETT, Graham John RESIGNED | Director | 19 Jan 1996 | 30 Aug 1996 | United Kingdom | April 1956 | 11, Kestrel Close, Ewshot, Farnham, Surrey, GU10 5TW |
| BATEMAN, Matthew James RESIGNED | Director | 28 Aug 2020 | 18 Feb 2022 | England | October 1968 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD, United Kingdom |
| BENTLEY, Phillip Keague RESIGNED | Director | 20 Nov 2000 | 30 Jun 2013 | United Kingdom | January 1959 | Millstream Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| BEYNON, Stephen David Rhys RESIGNED | Director | 19 Dec 2013 | 23 Feb 2016 | United Kingdom | June 1965 | Millstream Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| BUCK, Steven John RESIGNED | Director | 01 May 2015 | 24 Jan 2018 | United Kingdom | February 1969 | Millstream Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| CAIN, Ian Paul RESIGNED | Director | 07 Feb 2011 | 20 Dec 2012 | United Kingdom | September 1965 | British Gas, 30 The Causeway, Staines, Middlesex, TW16 3BY, United Kingdom |
| CAMERON, Alisdair Charles John RESIGNED | Director | 11 Mar 2010 | 28 May 2012 | England | May 1965 | Millstream Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| CAMPBELL, Justine Michelle RESIGNED | Director | 19 Dec 2013 | 27 Apr 2017 | United Kingdom | August 1970 | Millstream Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| CLARE, Mark Sydney RESIGNED | Director | 29 Aug 1996 | 30 Sep 2006 | | August 1957 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| FORSTER, Jane RESIGNED | Director | 01 Jan 2012 | 19 Apr 2013 | United Kingdom | October 1968 | Millstream Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| GARDNER, Roy Alan, Sir RESIGNED | Director | 19 Jan 1996 | 30 Jun 2006 | | August 1945 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| GARRIHY, Anne RESIGNED | Director | 06 Jul 1995 | 19 Jan 1996 | | June 1960 | 38 Bunbury Way, Epsom, Surrey, KT17 4JP |
| HANAFIN, Vincent Mark RESIGNED | Director | 31 Jul 2008 | 19 Dec 2013 | United Kingdom | October 1959 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| HODGES, Mark Steven RESIGNED | Director | 23 Feb 2016 | 28 Feb 2019 | United Kingdom | September 1965 | Millstream Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| ISENEGGER, David Andrew RESIGNED | Director | 01 Nov 2010 | 19 Dec 2013 | England | August 1964 | Millstream Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| JANSEN, Christopher Trevor Peter RESIGNED | Director | 06 Jul 2009 | 30 Jun 2013 | United Kingdom | July 1970 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| KENNEDY, Andrew James RESIGNED | Director | 23 Jan 2023 | 30 Jun 2026 | United Kingdom | April 1979 | Millstream Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| KIRWAN, Michael David RESIGNED | Director | 01 Apr 2019 | 31 Aug 2020 | Ireland | September 1971 | 1, Warrington Place, Dublin, 2, Ireland |
| MARTIN-SIMON, Peter Michael RESIGNED | Director | 24 Jul 2020 | 17 Sep 2021 | United Kingdom | June 1975 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD, United Kingdom |
| MCKENNA, Gregory Craig RESIGNED | Director | 08 Mar 2021 | 04 Mar 2024 | England | January 1966 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD, United Kingdom |
| MCLEOD, Charles Lee RESIGNED | Director | 30 Jun 2021 | 04 Nov 2022 | United Kingdom | October 1972 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD, United Kingdom |
| MILES, Claire RESIGNED | Director | 20 Jul 2017 | 01 Jul 2019 | United Kingdom | September 1972 | Millstream Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| MUSSENDEN, Sarah Elizabeth RESIGNED | Director | 01 Jul 2019 | 30 Jun 2021 | United Kingdom | October 1965 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD, United Kingdom |
| NETEMEYER, Andrew RESIGNED | Director | 07 Feb 2011 | 19 Dec 2013 | United Kingdom | January 1958 | Millstream Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| O'KELLY, Catherine Anne Newton RESIGNED | Director | 17 Sep 2021 | 26 Sep 2025 | England | February 1984 | Millstream Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| PATIENCE, Donald William John RESIGNED | Director | 06 Jul 1995 | 19 Jan 1996 | | January 1945 | Burnside Little Ann, Abbotts Ann, Andover, Hampshire, SP11 7NW |
| PETERS, Ian RESIGNED | Director | 19 Dec 2013 | 31 Dec 2016 | United Kingdom | October 1958 | Millstream Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| PIJLS, Henricus Lambertus RESIGNED | Director | 20 Dec 2012 | 19 Dec 2013 | United Kingdom | December 1965 | Millstream Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| PIKUNIC, Jorge Pablo RESIGNED | Director | 24 Jul 2020 | 08 Mar 2021 | United Kingdom | January 1976 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD, United Kingdom |
| ROBERTS, Peter RESIGNED | Director | 18 Mar 2008 | 26 Mar 2010 | Uk | September 1966 | Norney Grove, School Lane, Shackleford, Surrey, GU8 6AZ |
| RONALD, Ivan Edward RESIGNED | Director | 24 Jan 2018 | 05 Jul 2019 | England | November 1972 | Millstream Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| ROWLANDS, Melanie Jane RESIGNED | Director | 26 Mar 2010 | 12 Dec 2011 | England | August 1968 | 30, The Causeway, Staines, Middlesex, TW18 3BY, United Kingdom |
| SAMBHI, Sarwjit RESIGNED | Director | 23 Feb 2016 | 11 Jun 2020 | United Kingdom | July 1969 | Millstream Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| STERN, Christopher John RESIGNED | Director | 18 Mar 2008 | 19 Dec 2013 | England | January 1957 | Millstream Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| TAVAZIVA, Anne Leigh RESIGNED | Director | 01 Jul 2019 | 10 Jun 2020 | England | February 1973 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD, United Kingdom |
| TURNER, Moira Lynne RESIGNED | Director | 18 Mar 2008 | 11 Mar 2010 | England | July 1962 | Millstream Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| ULRICH, Jacob Shields RESIGNED | Director | 11 Apr 2005 | 31 Jul 2008 | England | February 1953 | 74 Drayton Gardens, London, SW10 9SB |
| UZIELLI, Michael Robin RESIGNED | Director | 28 May 2012 | 31 May 2015 | | April 1970 | Millstream Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| WESTON, Christopher Phillip Anthony RESIGNED | Director | 19 Dec 2013 | 30 Dec 2014 | United Kingdom | January 1964 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD, United Kingdom |
| WESTON, Christopher Phillip Anthony RESIGNED | Director | 18 Mar 2008 | 05 May 2009 | United Kingdom | January 1964 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| WOOD, Ian RESIGNED | Director | 18 Mar 2008 | 07 Feb 2011 | United Kingdom | December 1958 | Millstream Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| COMBINED NOMINEES LIMITED RESIGNED | Nominee Director | 06 Jul 1995 | 06 Jul 1995 | | | Victoria House, 64 Paul Street, London, EC2A 4NA |
| COMBINED SECRETARIAL SERVICES LIMITED RESIGNED | Nominee Director | 06 Jul 1995 | 06 Jul 1995 | | | Victoria House, 64 Paul Street, London, EC2A 4NG |