| VISTRA COSEC LIMITED ACTIVE | Secretary | 18 May 2018 | | | | Ground Floor, Templeback, 10 Temple Back, Bristol, BS1 6FL, United Kingdom |
| SOLANKI, Yogesh ACTIVE | Director | 08 Dec 2023 | | United Kingdom | September 1965 | Marvan Court, Waldegrave Road, Teddington, Middlesex, TW11 8LZ, United Kingdom |
| WILSON, Carolyn Jane ACTIVE | Director | 15 Mar 2026 | | United Kingdom | October 1963 | 66, Vicarage Road, Orrell, Wigan, WN5 7AX, United Kingdom |
| CARTER, Lynette Jean Cherryl RESIGNED | Secretary | 17 May 2017 | 31 Dec 2017 | | | The Akzonobel Building, Wexham Road, Slough, SL2 5DS, United Kingdom |
| CLARK, Michael Stanley RESIGNED | Secretary | 09 Apr 1997 | 01 May 2003 | | | PO BOX 20980, Oriel House 16 Connaught Place, London, W2 2ZB |
| KNAPP, John Arthur RESIGNED | Secretary | | 09 Apr 1997 | | | 111 Maydowns Road, Chestfield, Whitstable, Kent, CT5 3LW |
| O H SECRETARIAT LIMITED RESIGNED | Secretary | 01 May 2003 | 17 May 2017 | | | The Akzonobel Building, Wexham Road, Slough, SL2 5DS, United Kingdom |
| BOWEN, Lynnette Susan RESIGNED | Director | 20 Dec 2017 | 30 Nov 2020 | England | June 1954 | Suite 1,, 3rd Floor, 11-12 St. James's Square, London, SW1Y 4LB |
| CLARK, Michael Stanley RESIGNED | Director | | 04 May 2007 | | May 1947 | PO BOX 20980, Oriel House 16 Connaught Place, London, W2 2ZB |
| COSBY, Keith RESIGNED | Director | 02 Feb 2001 | 30 Sep 2005 | | February 1945 | 1-5 Queens Road, Hersham, Walton On Thames, Surrey, KT12 5NL |
| DINNAGE, Louise Margaret RESIGNED | Director | 20 Apr 2015 | 20 Dec 2017 | United Kingdom | November 1970 | The Akzonobel Building, Wexham Road, Slough, SL2 5DS, United Kingdom |
| EASON, Paul RESIGNED | Director | 20 Dec 2017 | 31 Mar 2026 | United Kingdom | March 1960 | Suite 1, 7th Floor, 50 Broadway, London, SW1H 0BL, United Kingdom |
| HORSFORD, Michael Stewart RESIGNED | Director | 01 Apr 1995 | 13 Oct 2000 | | June 1947 | Hawksclough Farm Cottage, Mytholmroyd, Hebden Bridge, West Yorkshire, HX7 5AW |
| HUNT, Michael Ralph RESIGNED | Director | | 01 Apr 1999 | | January 1939 | 7 St Catherines Park, Guildford, Surrey, GU1 3NF |
| HUNT, Steve RESIGNED | Director | 20 Dec 2017 | 01 Dec 2023 | United Kingdom | November 1960 | Suite 1, 7th Floor, 50 Broadway, London, SW1H 0BL, United Kingdom |
| HUTTON, Ronald Eric RESIGNED | Director | 01 Apr 1995 | 31 Jan 1997 | | October 1936 | 4 The Warren, Selling, Faversham, Kent, ME13 9PY |
| JORDAN, Kenneth Peter RESIGNED | Director | 06 Jun 2001 | 31 Jul 2004 | | July 1951 | 5 Queens Road, Hersham, Walton On Thames, Surrey, KT12 5NL |
| KOPPERT, Cor RESIGNED | Director | 09 Apr 1997 | 01 Jul 2001 | | December 1947 | Forstal House, Painters Forstal, Faversham, Kent, ME13 0DU |
| PATIENT, Harold Frederick George RESIGNED | Director | | 31 Dec 1991 | | November 1947 | Pooks Hill Woodland Way, Kingswood, Tadworth, Surrey, KT20 6NX |
| SMALLEY, Michael RESIGNED | Director | 25 Feb 2015 | 20 Dec 2017 | England | November 1958 | The Akzonobel Building, Wexham Road, Slough, SL2 5DS, United Kingdom |
| TURNER, David Allan, Mr. RESIGNED | Director | 04 Jul 2007 | 20 Apr 2015 | United Kingdom | November 1971 | 26th Floor Portland House, Bressenden Place, London, SW1E 5BG |
| VAN NIEROP, Kees, Dr RESIGNED | Director | 01 Apr 1999 | 01 Oct 2002 | | June 1947 | Italianseweg 9, Dorworth, Gelderland, 6865 NB, The Netherlands |
| O H DIRECTOR LIMITED RESIGNED | Director | 07 Jul 2005 | 25 Feb 2015 | | | 26th Floor, Portland House, Bressenden Place, London, SW1E 5BG |