| CAUNT, Daniel John ACTIVE | Secretary | 01 May 2022 | | | | Ty Admiral, David Street, Cardiff, CF10 2EH |
| BONOMO, Paola ACTIVE | Director | 12 May 2025 | | Italy | May 1969 | Ty Admiral, David Street, Cardiff, CF10 2EH |
| BOURKE, Evelyn Brigid ACTIVE | Director | 30 Apr 2021 | | United Kingdom | January 1965 | Ty Admiral, David Street, Cardiff, CF10 2EH |
| BRIERLEY, Michael Charles ACTIVE | Director | 05 Oct 2018 | | England | December 1958 | Ty Admiral, David Street, Cardiff, CF10 2EH |
| CROSSLEY, Andrew Michael ACTIVE | Director | 27 Feb 2018 | | United Kingdom | June 1956 | Ty Admiral, David Street, Cardiff, CF10 2EH |
| GREEN, Karen Ann ACTIVE | Director | 14 Dec 2018 | | United Kingdom | June 1967 | Ty Admiral, David Street, Cardiff, CF10 2EH |
| LEWIS, Rachel Victoria ACTIVE | Director | 01 Jul 2026 | | United Kingdom | November 1979 | Ty Admiral, David Street, Cardiff, CF10 2EH |
| MONDINI-DE-FOCATIIS, Milena ACTIVE | Director | 11 Aug 2020 | | United Kingdom | April 1977 | Ty Admiral, David Street, Cardiff, CF10 2EH |
| MULDOON, Fiona ACTIVE | Director | 02 Oct 2023 | | Ireland | January 1968 | Ty Admiral, David Street, Cardiff, CF10 2EH, United Kingdom |
| RANGASWAMI, Jayaprakasa ACTIVE | Director | 29 Apr 2020 | | United Kingdom | November 1957 | Ty Admiral, David Street, Cardiff, CF10 2EH |
| ROBERTS, William Evan ACTIVE | Director | 11 Jun 2021 | | United States | December 1949 | Ty Admiral, David Street, Cardiff, CF10 2EH |
| ROGERS, Michael John ACTIVE | Director | 27 Apr 2023 | | United Kingdom | July 1964 | Ty Admiral, David Street, Cardiff, CF10 2EH, United Kingdom |
| SELONKE DE SOUZA, Carlos Eduardo ACTIVE | Director | 10 Dec 2025 | | United States | February 1977 | Ty Admiral, David Street, Cardiff, CF10 2EH |
| CLARKE, Stuart David RESIGNED | Secretary | 22 Oct 1999 | 28 Apr 2009 | | | White Lodge 1 Anderson Lane, Southgate, Swansea, SA3 2BX |
| WATERS, Mark Robert RESIGNED | Secretary | 28 Apr 2009 | 01 May 2022 | | | Ty Admiral, David Street, Cardiff, CF10 2EH |
| EXCELLET INVESTMENTS LIMITED RESIGNED | Secretary | 24 Sep 1999 | 22 Oct 1999 | | | Senator House, 85 Queen Victoria Street, London, EC4V 4JL |
| HALLMARK SECRETARIES LIMITED RESIGNED | Nominee Secretary | 24 Sep 1999 | 24 Sep 1999 | | | 120 East Road, London, N1 6AA |
| ABRAVANEL, Roger RESIGNED | Director | 06 Mar 2012 | 29 Apr 2015 | Italy | July 1946 | Ty Admiral, David Street, Cardiff, CF10 2EH, United Kingdom |
| ALDAG, Manfred RESIGNED | Director | 13 Mar 2003 | 31 Aug 2015 | Germany | November 1950 | Ty Admiral, David Street, Cardiff, CF10 2EH, United Kingdom |
| CHIDWICK, Kevin RESIGNED | Director | 04 Sep 2006 | 13 Aug 2014 | United States | August 1963 | Capital Tower, Greyfriars Road, Cardiff, CF10 3AZ |
| CLARKE, Owen John RESIGNED | Director | 19 Aug 2015 | 31 Dec 2021 | United Kingdom | August 1963 | Ty Admiral, David Street, Cardiff, CF10 2EH |
| CLARKE, Owen John RESIGNED | Director | 16 Nov 1999 | 07 Sep 2004 | | August 1963 | 54 Lombard Street, London, EC3P 3AH |
| COURT, Annette Elizabeth RESIGNED | Director | 21 Mar 2012 | 27 Apr 2023 | United Kingdom | March 1962 | Ty Admiral, David Street, Cardiff, CF10 2EH |
| ENGELHARDT, Henry Allan RESIGNED | Director | 22 Oct 1999 | 12 May 2016 | Wales | January 1958 | Ty Admiral, David Street, Cardiff, CF10 2EH, United Kingdom |
| HOLMES, Colin Peter RESIGNED | Director | 03 Dec 2010 | 31 Dec 2018 | United Kingdom | August 1965 | Ty Admiral, David Street, Cardiff, CF10 2EH |
| JACKSON, David Martin RESIGNED | Director | 19 Aug 2004 | 09 Apr 2014 | | September 1948 | Capital Tower, Greyfriars Road, Cardiff, CF10 3AZ |
| JAMES, David Keith Marlais RESIGNED | Director | 19 Dec 2002 | 26 Apr 2012 | Wales | August 1944 | Trehedyn Cottage, Peterston Super Ely, Cardiff, South Glamorgan, CF5 6LG |
| JAMES, Penelope Jane RESIGNED | Director | 01 Jan 2015 | 08 Sep 2017 | United Kingdom | September 1969 | Ty Admiral, David Street, Cardiff, CF10 2EH, United Kingdom |
| JOHNSON, Margaret RESIGNED | Director | 04 Sep 2006 | 28 Apr 2016 | England | October 1958 | Ty Admiral, David Street, Cardiff, CF10 2EH, United Kingdom |
| JONES, Geraint Allan RESIGNED | Director | 13 Aug 2014 | 30 Jun 2026 | United Kingdom | June 1976 | Ty Admiral, David Street, Cardiff, CF10 2EH |
| KELLAWAY, Lucy RESIGNED | Director | 04 Sep 2006 | 28 Apr 2016 | | June 1959 | Ty Admiral, David Street, Cardiff, CF10 2EH, United Kingdom |
| LYONS, Alastair David RESIGNED | Director | 01 Jul 2000 | 26 Apr 2017 | United Kingdom | October 1953 | Ty Admiral, David Street, Cardiff, CF10 2EH, United Kingdom |
| MARTIN, Ian Paul RESIGNED | Director | 16 Nov 1999 | 11 Feb 2000 | England | October 1960 | 8 Sheen Gate Gardens, East Sheen, London, SW14 7NY |
| PARK, Jean Craig RESIGNED | Director | 17 Jan 2014 | 20 Jan 2023 | Scotland | October 1954 | Ty Admiral, David Street, Cardiff, CF10 2EH |
| PROBERT, Andrew Charles RESIGNED | Director | 22 Oct 1999 | 04 Sep 2006 | United Kingdom | April 1952 | Foxhollows Slon Lane, Ogmore-By-Sea, Mid Glamorgan, CF32 0PN |
| ROBERTS, Justine Juliette Alice RESIGNED | Director | 17 Jun 2016 | 18 Jun 2025 | United Kingdom | October 1967 | Ty Admiral, David Street, Cardiff, CF10 2EH |
| ROUNTREE, George Manning RESIGNED | Director | 16 Jun 2015 | 17 Jun 2021 | United States | April 1972 | Ty Admiral, David Street, Cardiff, CF10 2EH |
| STEVENS, David Graham RESIGNED | Director | 22 Oct 1999 | 31 Dec 2020 | United Kingdom | January 1962 | Ty Admiral, David Street, Cardiff, CF10 2EH |
| SUSSENS, John Gilbert RESIGNED | Director | 19 Aug 2004 | 09 Apr 2014 | England | October 1945 | Capital Tower, Greyfriars Road, Cardiff, CF10 3AZ |
| THOMPSON, William Pratt RESIGNED | Director | 16 Mar 2000 | 07 Sep 2004 | | March 1933 | Trinity Hall, Castle Hedingham, Essex, CO9 3EY |
| WILMOT, Gillian Caroline RESIGNED | Director | 26 Apr 2005 | 18 May 2006 | England | February 1960 | The Lodge 2 Church Lane, Lockington, Derby, Leicestershire, DE74 2TF |
| HALLMARK REGISTRARS LIMITED RESIGNED | Nominee Director | 24 Sep 1999 | 24 Sep 1999 | | | 120 East Road, London, N1 6AA |
| QUICKNESS LIMITED RESIGNED | Director | 24 Sep 1999 | 22 Oct 1999 | | | Senator House, 85 Queen Victoria Street, London, EC4V 4JL |