| VISTRA COSEC LIMITED ACTIVE | Secretary | 23 Apr 2015 | | | | Ground Floor, Templeback, 10 Temple Back, Bristol, BS1 6FL, United Kingdom |
| BONETTI, Chiara ACTIVE | Director | 17 Dec 2025 | | United Kingdom | October 1988 | 7th Floor, 50 Broadway, London, SW1H 0DB, United Kingdom |
| EVETT, Francis Thomas ACTIVE | Director | 11 Sep 2015 | | New Zealand | August 1971 | Ground Floor, Templeback, 10 Temple Back, Bristol, BS1 6FL, United Kingdom |
| MANCORP (UK) LIMITED ACTIVE | Director | 26 Apr 2023 | | | | Ground Floor, Templeback, 10 Temple Back, Bristol, BS1 6FL, United Kingdom |
| BIGGS, Gregory John RESIGNED | Secretary | 08 Nov 1991 | 01 Sep 1994 | | | 15 Peckarmans Wood, Dulwich, London, SE2 6RY |
| CHEE, Wan Yee, Director RESIGNED | Secretary | 27 Nov 2002 | 07 Dec 2009 | | | 62, North Street, London, SW4 0HE, United Kingdom |
| FRANCESCANGELI, Anna RESIGNED | Secretary | 07 Dec 2009 | 01 May 2013 | | | 20-22 Bedford Row, London, WC1R 4JS |
| WALKER, Rex Gregory RESIGNED | Secretary | 01 Sep 1994 | 09 Dec 2002 | | | 7 Peckarmans Wood, London, SE26 6RY |
| JORDAN COMPANY SECRETARIES LIMITED RESIGNED | Secretary | 01 May 2013 | 23 Apr 2015 | | | 21, St Thomas Street, Bristol, BS1 6JS, United Kingdom |
| BATCHELOR, Nick John RESIGNED | Director | 27 Nov 2002 | 21 Jul 2011 | England | September 1955 | Berrydown House, Berrydown Lane, Preston Candover, Basingstoke, Hampshire, RG25 2HG |
| BIGGS, Gregory John RESIGNED | Director | 08 Nov 1991 | 01 Sep 1994 | | November 1961 | 15 Peckarmans Wood, Dulwich, London, SE2 6RY |
| CHEE, Wan Yee, Director RESIGNED | Director | 27 Nov 2002 | 07 Dec 2009 | England | October 1969 | 62, North Street, London, SW4 0HE, United Kingdom |
| DUIGNAN, Patrick John RESIGNED | Director | 20 Mar 1996 | 13 Sep 2001 | | May 1948 | 31 Waru Street, Wellington, New Zealand, FOREIGN |
| DUNCAN, Kim RESIGNED | Director | 11 Apr 2013 | 23 Apr 2015 | England | June 1977 | 20-22 Bedford Row, London, WC1R 4JS |
| FRANCESCANGELI, Anna RESIGNED | Director | 07 Dec 2009 | 01 May 2013 | United Kingdom | March 1968 | New Zealand House, 80 Haymarket, London, SW1Y 4TE, United Kingdom |
| FREINBERG, Mitchell Bennett RESIGNED | Director | 08 Nov 1991 | 31 Oct 1994 | England | September 1951 | 21 Saint Anns Villas, London, W11 4RT |
| GARSTANG, Joy Patricia RESIGNED | Director | 08 Nov 1991 | 31 Oct 1994 | | May 1940 | 12 Hamfield Cottages, Cookham, Maidenhead, Berkshire, SL6 9HQ |
| KING, Philip James RESIGNED | Director | 13 Sep 2001 | 13 Jan 2003 | | March 1965 | 2/54 Rama Crescent, Khandallah, Wellington, New Zealand |
| LAING, Mark Leslie RESIGNED | Director | 13 May 2013 | 11 Sep 2015 | New Zealand | June 1973 | 20-22 Bedford Row, London, WC1R 4JS |
| NICHOLS, David Rodney RESIGNED | Director | 08 Nov 1991 | 19 Dec 1995 | | May 1940 | 25 Rintoul Grove Stokes Valley, Lower Hutt Wellington, New Zealand, FOREIGN |
| OLSON, Nicholas John RESIGNED | Director | 13 Jan 2003 | 22 Feb 2013 | New Zealand | January 1962 | 60, Amritsar Street, Wellington 6035, New Zealand |
| PALMER, Martin William Gordon RESIGNED | Director | 23 Apr 2015 | 26 Apr 2023 | United Kingdom | November 1959 | First Floor, Templeback, 10 Temple Back, Bristol, BS1 6FL, United Kingdom |
| PLEDGER, Peter RESIGNED | Director | 08 Nov 1991 | 31 Oct 1994 | | January 1942 | 62 Station Road, Shalford, Guildford, Surrey, GU4 8HD |
| READER, Jason Antony RESIGNED | Director | 23 Apr 2015 | 17 Dec 2025 | United Kingdom | August 1972 | First Floor, Templeback, 10 Temple Back, Bristol, BS1 6FL, United Kingdom |
| ROBERTS, Barbara Elizabeth RESIGNED | Director | 31 Oct 1994 | 09 Dec 2002 | United Kingdom | May 1948 | 3 Kirkleas Road, Surbiton, Surrey, KT6 6QJ |
| RUMBALL, Stephen Brian RESIGNED | Director | 31 Oct 1994 | 09 Dec 2002 | | March 1960 | The Courtyard Blanket Mill Farm, Goose Rye Road, Worplesdon, Surrey, GU3 3RQ |
| SCOTT, Matthew Duncan Guy RESIGNED | Director | 11 Apr 2013 | 23 Apr 2015 | England | March 1974 | 20-22 Bedford Row, London, WC1R 4JS |
| SKILTON, Matthew William RESIGNED | Director | 22 Feb 2013 | 13 May 2013 | New Zealand | January 1976 | Level 2, Telecom Place, 167 Victoria Street West, Auckland 1010, New Zealand |
| WALKER, Rex Gregory RESIGNED | Director | 01 Sep 1994 | 09 Dec 2002 | | October 1937 | 7 Peckarmans Wood, London, SE26 6RY |
| HACKWOOD SERVICE COMPANY RESIGNED | Nominee Director | 06 Nov 1991 | 08 Nov 1991 | | | Barrington House 56-67 Gresham Street, London, EC2V 7BB |