| CENTRICA SECRETARIES LIMITED ACTIVE | Secretary | 03 Feb 2011 | | | | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD, United Kingdom |
| ROY, Rajarshi, Dr ACTIVE | Director | 03 Nov 2025 | | United Kingdom | January 1975 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| CENTRICA DIRECTORS LIMITED ACTIVE | Director | 01 Oct 2012 | | | | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD, United Kingdom |
| BARRATT, James Michael RESIGNED | Secretary | 01 Apr 2007 | 08 Sep 2008 | | | 45 Fareham Avenue, Hillmorton, Rugby, Warwickshire, CV22 5HS |
| BRIDGEMAN, Alan John RESIGNED | Secretary | 02 Sep 1997 | 01 Mar 1999 | | | Carrew House, Coventry Road, Fillongley, Coventry, West Midlands, CV7 8ET |
| JOHNSTON, William Peter RESIGNED | Secretary | 04 Jun 1992 | 02 Sep 1997 | | | 9 Whitelands Road, Baildon, Shipley, West Yorkshire, BD17 6NL |
| WRIGHT, Sarah Louise RESIGNED | Secretary | 08 Sep 2008 | 06 Dec 2010 | | | 2, Ashway, Braunston, Northants, NN11 7JX, England |
| WRIGHT, Sarah Louise RESIGNED | Secretary | 01 Mar 1999 | 31 Mar 2007 | | | 136 Oxford Street, Rugby, Warwickshire, CV21 3LZ |
| COMBINED SECRETARIAL SERVICES LIMITED RESIGNED | Nominee Secretary | 24 Apr 1992 | 04 Jun 1992 | | | Victoria House, 64 Paul Street, London, EC2A 4NG |
| ATKIN, John Charles RESIGNED | Director | 19 Feb 2007 | 06 Dec 2010 | United Kingdom | September 1952 | 2 Roman Close, Claybrooke Magna, Lutterworth, Leicestershire, LE17 5DU |
| ATKIN, John Charles RESIGNED | Director | 25 Feb 2000 | 31 Mar 2006 | United Kingdom | September 1952 | 2 Roman Close, Claybrooke Magna, Lutterworth, Leicestershire, LE17 5DU |
| BARRATT, James Michael RESIGNED | Director | 01 Apr 2007 | 06 Dec 2010 | United Kingdom | May 1977 | 45 Fareham Avenue, Hillmorton, Rugby, Warwickshire, CV22 5HS |
| CAMPBELL, Justine Michelle RESIGNED | Director | 12 Jul 2018 | 20 Sep 2018 | United Kingdom | August 1970 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| CARROLL, Nicola RESIGNED | Director | 01 Oct 2012 | 30 Jun 2016 | United Kingdom | December 1959 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD, United Kingdom |
| DICKINSON, James Michael RESIGNED | Director | 30 Jul 2021 | 08 Sep 2021 | United Kingdom | June 1980 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD, United Kingdom |
| FLOYD, Hamish Ramsey RESIGNED | Director | 09 Feb 2012 | 01 Oct 2012 | United Kingdom | December 1974 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD, United Kingdom |
| HODGES, Andrew William RESIGNED | Director | 30 Jun 2016 | 12 Jul 2018 | United Kingdom | June 1967 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| JOHNSTON, William Peter RESIGNED | Director | 04 Jun 1992 | 06 Dec 2010 | United Kingdom | December 1943 | 9 Whitelands Road, Baildon, Shipley, West Yorkshire, BD17 6NL |
| KIMBER, Jonathan Andrew RESIGNED | Director | 06 Dec 2010 | 01 Oct 2012 | England | December 1963 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD, United Kingdom |
| LANE, Gearoid Martin RESIGNED | Director | 06 Dec 2010 | 30 Oct 2012 | England | August 1964 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD, United Kingdom |
| MCCULLOCH, Alan William RESIGNED | Director | 02 Sep 2019 | 30 Jul 2021 | England | September 1966 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD, United Kingdom |
| MCFEAT, Alexander Wright RESIGNED | Director | 04 Jun 1992 | 31 Jan 2010 | | June 1947 | 24 Merton Road, Daventry, Northamptonshire, NN11 4RR |
| MITHAM, Trevor Alan RESIGNED | Director | 01 Oct 2002 | 30 May 2003 | | March 1957 | 31 Lyndon Mead, Sandridge, St Albans, Hertfordshire, AL4 9EX |
| MITHAM, Trevor Alan RESIGNED | Director | 01 Jan 2002 | 23 May 2002 | | March 1957 | 31 Lyndon Mead, Sandridge, St Albans, Hertfordshire, AL4 9EX |
| NORRIS, Ivan George RESIGNED | Director | 04 Jun 1992 | 06 Dec 2010 | Uk | April 1945 | 26, Long Furlong, Rugby, Warwickshire, CV22 5QS |
| PHILLIPS, Stuart David RESIGNED | Director | 08 Sep 2021 | 01 Dec 2022 | United Kingdom | March 1977 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD, United Kingdom |
| SIBER, Jana RESIGNED | Director | 01 Dec 2022 | 28 Feb 2025 | United Kingdom | May 1972 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD, United Kingdom |
| SILLIS, Daniel Edwin RESIGNED | Director | 01 Apr 2007 | 06 Dec 2010 | United Kingdom | December 1973 | 1, Basset Lowke Drive, Upton, Northampton, Northamptonshire, NN5 4AN, Uk |
| SMITH, Graham Neil RESIGNED | Director | 01 Jan 1998 | 30 Sep 2006 | | February 1964 | 35 Wordsworth Road, Rugby, Warwickshire, CV22 6HY |
| SMITH, Malcolm RESIGNED | Director | 01 Jul 2005 | 06 Dec 2010 | United Kingdom | December 1967 | 51, Sidney Road, Rugby, Warwickshire, CV22 5LB |
| SMITH, Wayne RESIGNED | Director | 06 Dec 2010 | 01 Oct 2012 | England | February 1968 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD, United Kingdom |
| THOMAS, Michael Lindsay RESIGNED | Director | 01 Dec 2022 | 03 Nov 2025 | United Kingdom | December 1970 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| TRUESDALE, Nevin John RESIGNED | Director | 06 Dec 2010 | 09 Feb 2012 | England | March 1974 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD, United Kingdom |
| WALTON, Andrew John RESIGNED | Director | 01 Aug 1996 | 25 Feb 2000 | | February 1962 | Gillygrum Main Street, Aston Le Walls, Daventry, Northamptonshire, NN11 6UF |
| WESTLEY, Adam David Christopher RESIGNED | Director | 20 Sep 2018 | 02 Sep 2019 | United Kingdom | April 1969 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| WRIGHT, Sarah Louise RESIGNED | Director | 01 Oct 2009 | 01 Oct 2009 | England | January 1969 | Eleven Arches House, Leicester Road, Rugby, Warwickshire, CV21 1FD |
| WRIGHT, Sarah Louise RESIGNED | Director | 01 Oct 2009 | 06 Dec 2010 | England | January 1969 | Eleven Arches House, Leicester Road, Rugby, Warwickshire, CV21 1FD |
| COMBINED NOMINEES LIMITED RESIGNED | Nominee Director | 24 Apr 1992 | 04 Jun 1992 | | | Victoria House, 64 Paul Street, London, EC2A 4NA |
| COMBINED SECRETARIAL SERVICES LIMITED RESIGNED | Nominee Director | 24 Apr 1992 | 04 Jun 1992 | | | Victoria House, 64 Paul Street, London, EC2A 4NG |