| CENTRICA SECRETARIES LIMITED ACTIVE | Secretary | 27 Jun 2002 | | | | 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 |
| BURTON, Andrew Neil RESIGNED | Secretary | 30 Nov 1994 | 01 Sep 1998 | | | 3 Cricketers Approach, Wrenthorpe, Wakefield, West Yorkshire, WF2 0JH |
| CHRISTIE, Sarah Marie Davenport RESIGNED | Secretary | 01 Sep 1998 | 25 Nov 1998 | | | 29 Millfield Road, York, North Yorkshire, YO2 1NH |
| DICKINSON, Roger RESIGNED | Secretary | 04 Feb 1992 | 30 Nov 1994 | | | 2 Castle Hill Drive, Harrogate, North Yorkshire, HG2 9JJ |
| MOSS, Galan Rodney Harper RESIGNED | Secretary | 01 Sep 1998 | 25 Nov 1998 | | | 53 Grasmere Avenue, Wetherby, West Yorkshire, LS22 6YT |
| PELTOLA, Lauri Tapio RESIGNED | Secretary | 25 Nov 1998 | 27 Jun 2002 | | | 3 Denbigh Gardens, Richmond, Surrey, TW10 6EN |
| ALDRIDGE, Alan RESIGNED | Director | 29 Mar 2001 | 27 Jun 2002 | | February 1951 | 4 Perrots Lane, Steyning, West Sussex, BN44 3NB |
| ANTTILA, Veikko Johannes RESIGNED | Director | 24 Jun 1992 | 30 Nov 1994 | | October 1942 | Holmantie 52, Klaukkala, 01800, Finland |
| ARCHER, Jennifer Louise RESIGNED | Director | 03 Feb 2025 | 27 May 2025 | United Kingdom | July 1983 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD, United Kingdom |
| AURANNE, Eero Kalevi RESIGNED | Director | 19 May 1999 | 30 Mar 2000 | | March 1959 | Paatsamantie 8 A 5, Helsinki 00320, Finland, FOREIGN |
| BARLOW, Alan Kenneth RESIGNED | Director | 31 Jan 2020 | 05 Jul 2021 | England | September 1964 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD, United Kingdom |
| BENNETT, Alan RESIGNED | Director | 06 Nov 2002 | 31 Oct 2007 | United Kingdom | May 1952 | Hillside Cottage, Hillside Park, Sunningdale, Berkshire, SL5 0EY |
| BINKS, Steven RESIGNED | Director | 17 Dec 1991 | 01 Sep 1994 | | April 1953 | Valdene, Royston Hill East Ardsley, Wakefield, West Yorkshire, WF3 2HN |
| BRADLEY, Jonathan Paul RESIGNED | Director | 11 Feb 2004 | 11 Mar 2008 | | September 1956 | Milford, 55 Stradbroke Grove, Buckhurst Hill, Essex, IG9 5PE |
| CHATWIN, John Malcolm RESIGNED | Director | 08 Nov 1996 | 01 Apr 1997 | | July 1945 | Duchy Villa, 24 Duchy Road, Harrogate, North Yorkshire, HG1 2ER |
| CHATWIN, John Malcolm RESIGNED | Director | 06 Dec 1991 | 01 Sep 1994 | | July 1945 | Duchy Villa, 24 Duchy Road, Harrogate, North Yorkshire, HG1 2ER |
| CLARKE, David RESIGNED | Director | 27 Jun 2002 | 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 |
| COOPER, Bryan RESIGNED | Director | | 01 Sep 1994 | | October 1948 | 26 Willow Court, Pool In Wharfedale, Otley, West Yorkshire, LS21 1RX |
| COX, Jonathan RESIGNED | Director | 11 Mar 1999 | 23 Mar 2001 | England | March 1967 | 3 Ackroyd Place, Shenley Lodge, Milton Keynes, MK5 7PA |
| DEANE, John Anthony RESIGNED | Director | 30 Nov 1994 | 09 Oct 2000 | England | January 1946 | Aprils End, Nairdwood Lane, Prestwood, Great Missenden, Buckinghamshire, HP16 0QH |
| 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 |
| EDDINGTON, Keith RESIGNED | Director | 18 Jun 1996 | 29 May 1998 | United Kingdom | June 1946 | Foxgrove, Ranby Market Rasen, Lincoln, Lincolnshire, LN8 5LN |
| FUTYAN, Mark Ramsey RESIGNED | Director | 22 Apr 2014 | 06 Feb 2020 | United Kingdom | March 1978 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD, United Kingdom |
| GARSTANG, Michael John RESIGNED | Director | 27 Jun 2002 | 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 | 06 Mar 2003 | 11 Feb 2004 | England | May 1962 | 73 Langfield Road, Knowle, Solihull, West Midlands, B93 9PS |
| GUY, Stephen David RESIGNED | Director | 29 May 1998 | 25 Nov 1998 | | April 1949 | 15 Toothill Avenue, Brighouse, Huddersfield, West Yorkshire, HD6 3SA |
| HALL, Graham Joseph RESIGNED | Director | 01 Apr 1997 | 25 Nov 1998 | | October 1943 | Rosedale Manor Kirk Hammerton Lane, Green Hammerton, York, North Yorkshire, YO26 8BS |
| HALL, Graham Joseph RESIGNED | Director | 01 Apr 1993 | 01 Sep 1994 | | October 1943 | Rosedale Manor Kirk Hammerton Lane, Green Hammerton, York, North Yorkshire, YO26 8BS |
| HINTON, Thomas Edward RESIGNED | Director | 30 Jun 2010 | 15 Nov 2013 | United Kingdom | March 1979 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| HOPKINSON, James Trevor RESIGNED | Director | 27 May 1992 | 01 Apr 1993 | | September 1943 | Farnham Lodge, Farnham, Knaresborough, North Yorkshire, HG5 9JE |
| JONES, Robert Anthony RESIGNED | Director | 01 Nov 2000 | 27 Mar 2001 | | November 1966 | 76 Ashcombe Road, Dorking, Surrey, RH4 1NA |
| 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 |
| KOHLER, Valerie Lee, Dr RESIGNED | Director | 18 Sep 2000 | 27 Jun 2002 | | June 1955 | 54 Gloucester Road, Cirencester, Gloucestershire, GL7 2LH |
| LAHELMA, Osmo Aleksi RESIGNED | Director | 11 Mar 1999 | 30 Mar 2000 | | November 1949 | Ruiskaakantie 8, 02660 Espoo, Finland, FOREIGN |
| LAWTON, Paul Stephen RESIGNED | Director | 05 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 | 06 Mar 2003 | 11 Feb 2004 | | March 1955 | Delamere House, Manor Road, Penn, Buckinghamshire, HP10 8JA |
| MANCEY, Stephen John RESIGNED | Director | 27 Jun 2002 | 06 Nov 2002 | | March 1955 | Delamere House, Manor Road, Penn, Buckinghamshire, HP10 8JA |
| MANNION, Martin Clinton, Doctor RESIGNED | Director | 19 Sep 1996 | 18 Aug 2000 | | January 1962 | 3 Home Farm Close, East Hendred, Wantage, Oxfordshire, OX12 8LR |
| MANNION, Martin Clinton, Doctor RESIGNED | Director | 22 Jun 1995 | 23 Jun 1995 | | January 1962 | 3 Home Farm Close, East Hendred, Wantage, Oxfordshire, OX12 8LR |
| MCCORD, Richard Matthew RESIGNED | Director | 15 Nov 2013 | 06 Nov 2019 | United Kingdom | September 1973 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| MCGREGOR, Euan Thomas RESIGNED | Director | 01 May 1992 | 21 Jul 1995 | | January 1958 | 1 Sandringham Close, Calderstone Park Whalley, Clitheroe, Lancashire, BB7 9JP |
| MCKENNA, Gregory Craig RESIGNED | Director | 21 Mar 2022 | 03 Jun 2024 | England | January 1966 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD, United Kingdom |
| MORGAN, Philip Bryan RESIGNED | Director | 02 Sep 1994 | 08 Nov 1996 | | October 1943 | Shaw Barn, Grasmere Drive Wetherby, Leeds, West Yorkshire, LS22 6GP |
| MORGAN, Philip Bryan RESIGNED | Director | | 01 May 1992 | | October 1943 | Shaw Barn, Grasmere Drive Wetherby, Leeds, West Yorkshire, LS22 6GP |
| OSTERLUND, Pekka Juhani Kallenpoika RESIGNED | Director | 11 Mar 1999 | 27 Jun 2002 | | August 1953 | 17 Digby Drive, North Luffenham Oakham, Rutland, Leicestershire, LE15 8JS |
| PALMGREN, Anders RESIGNED | Director | | 19 Sep 1996 | | April 1940 | 4 A, Jalmarinpolku, Kauniainen 02700, Finland |
| PARK, John Thomas RESIGNED | Director | 06 Sep 2024 | 22 Dec 2025 | United Kingdom | February 1974 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| REED, Anthony Stafford RESIGNED | Director | 06 Dec 1991 | 01 Sep 1998 | | August 1945 | 8 Dalegarth, Baildon, Shipley, West Yorkshire, BD17 5TF |
| REES, Bleddyn William Vaughan RESIGNED | Director | 01 Oct 2021 | 01 Feb 2024 | England | March 1985 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD, United Kingdom |
| SALOSAARI, Esko Ilmari RESIGNED | Director | 01 Jan 1992 | 24 Feb 1994 | | June 1950 | 60 Castellain Road, London, W9 1EX |
| SAMBHI, Sarwjit RESIGNED | Director | 11 Mar 2008 | 12 Aug 2013 | United Kingdom | July 1969 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| SCORAH, David Reginald RESIGNED | Director | 22 Aug 1995 | 14 Oct 1996 | | June 1946 | The Old Granary, Kirk Deighton, Wetherby, West Yorkshire, LS22 4DZ |
| 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 |
| TOWNSEND, Tudor George RESIGNED | Director | 14 Oct 1996 | 25 Nov 1998 | | May 1949 | 5 The Village, Thorpe Arch, Leeds, West Yorkshire, LS23 7AR |
| TUOMELA, Tiina Marjukka RESIGNED | Director | 29 Mar 2001 | 27 Jun 2002 | | May 1966 | 77 Kings Road, Kingston Upon Thames, Surrey, KT2 5JB |
| ULRICH, Jacob Shields RESIGNED | Director | 27 Jun 2002 | 06 Mar 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 |
| WILKINSON, William John RESIGNED | Director | 02 Sep 1994 | 18 Jun 1996 | | January 1946 | 1 Ferry Lane, Bishopthorpe, York, North Yorkshire, YO23 2SB |
| 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 | 06 Mar 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 |