| SUMMERFIELD, David ACTIVE | Secretary | 11 Aug 2004 | | | | 1, Pickle Mews, London, SW9 0FJ, England |
| FRENCH, Louise Anne ACTIVE | Director | 18 Sep 2025 | | United Kingdom | September 1976 | 1, Pickle Mews, London, SW9 0FJ, England |
| HACKING, Christopher Robert ACTIVE | Director | 29 Oct 2024 | | United Kingdom | October 1979 | 1, Pickle Mews, London, SW9 0FJ, England |
| HALCO SECRETARIES LIMITED RESIGNED | Secretary | 21 Jun 2004 | 11 Aug 2004 | | | 8-10 New Fetter Lane, London, EC4A 1RS |
| AMBERG, William Mark RESIGNED | Director | 21 Dec 2004 | 29 Oct 2024 | United Kingdom | August 1961 | 1, Pickle Mews, London, SW9 0FJ, England |
| CARR, Brian St John Compton RESIGNED | Director | 21 Dec 2004 | 29 Oct 2024 | England | January 1935 | 1, Pickle Mews, London, SW9 0FJ, England |
| CRAIG, Richard Hugh Dickson RESIGNED | Director | 21 Dec 2004 | 02 Dec 2011 | England | November 1955 | 62 Elmfield Avenue, Teddington, Middlesex, TW11 8BT |
| DONALDSON, Giovanni Daniele RESIGNED | Director | 30 Jun 2021 | 15 Dec 2021 | United Kingdom | November 1974 | 1, Pickle Mews, London, SW9 0FJ, England |
| GORDON, Keir Watson RESIGNED | Director | 12 May 2021 | 29 Oct 2024 | United Kingdom | September 1962 | 5, Fleet Place, London, EC4M 7RD, England |
| MACKAY, Alan Leslie RESIGNED | Director | 21 Dec 2004 | 02 Dec 2011 | England | February 1973 | 3 No 3, Fairfield Avenue, Datchet, Berkshire, SL3 9NQ |
| STEVENS, Richard John RESIGNED | Director | 11 Aug 2004 | 31 Oct 2017 | United Kingdom | June 1973 | 1, Pickle Mews, London, SW9 0FJ, England |
| SUMMERFIELD, David RESIGNED | Director | 11 Aug 2004 | 29 Oct 2024 | United Kingdom | August 1974 | 1, Pickle Mews, London, SW9 0FJ, England |
| TROPPER, Michael RESIGNED | Director | 27 Jul 2011 | 29 Oct 2024 | England | October 1976 | 1, Pickle Mews, London, SW9 0FJ, England |
| TROPPER, Michael RESIGNED | Director | 21 Dec 2004 | 22 Feb 2008 | United Kingdom | October 1976 | 44 Shepton Houses, Welwyn Street, London, E2 0JN |
| WAY, Nicholas James RESIGNED | Director | 21 Dec 2004 | 21 Jun 2006 | | June 1972 | 6 Coalcroft Road, Putney, London, SW15 6SJ |
| WEYER, Nathan RESIGNED | Director | 08 Feb 2023 | 10 Jul 2025 | Netherlands | August 1972 | 1, Pickle Mews, London, SW9 0FJ, England |
| WHITE, Stephen John RESIGNED | Director | 21 Dec 2004 | 16 Aug 2007 | | March 1974 | 29 Dalkeith Road, West Dulwich, London, SE21 8LT |
| HALCO MANAGEMENT LIMITED RESIGNED | Director | 21 Jun 2004 | 11 Aug 2004 | | | 8-10 New Fetter Lane, London, EC4A 1RS |