| PEARCE, Kathy-Ann ACTIVE | Secretary | 01 Sep 2021 | | | | Ecopark, Advent Way, Edmonton, London, N18 3AG |
| KENDALL, James Edward ACTIVE | Director | 01 Dec 2020 | | England | February 1971 | Ecopark, Advent Way, Edmonton, London, N18 3AG |
| LLOYD, Donald James, Dr ACTIVE | Director | 01 Sep 2021 | | United Kingdom | October 1954 | Ecopark, Advent Way, Edmonton, London, N18 3AG |
| PRICE, Justin Barnes ACTIVE | Director | 27 Jan 2022 | | England | February 1974 | Ecopark, Advent Way, Edmonton, London, N18 3AG |
| AINLEY, Simon Walter, Mr. RESIGNED | Secretary | 09 Feb 2016 | 11 Apr 2016 | | | Ecopark, Advent Way, Edmonton, London, N18 3AG |
| CZULOWSKI, Mary Bethan RESIGNED | Secretary | 11 Apr 2016 | 01 Sep 2021 | | | Ecopark, Advent Way, Edmonton, London, N18 3AG |
| HEY, John Stephen Paul RESIGNED | Secretary | 25 Apr 2003 | 19 Nov 2004 | | | 8 Hopping Lane, London, N1 2NU |
| LEABOURN, Lyndon Andrew RESIGNED | Secretary | 26 Oct 2001 | 25 Apr 2003 | | | 12a Rathgar Avenue, Ealing, London, W13 9LP |
| MCGEEHAN, Matthew RESIGNED | Secretary | 19 Nov 2004 | 09 Feb 2016 | | | Ecopark, Advent Way, Edmonton, London, N18 3AG |
| SARGENT, David George RESIGNED | Secretary | 14 Aug 1998 | 26 Oct 2001 | | | Balla Struan, Priory Close East Farleigh, Maidstone, Kent, ME15 0EY |
| HALLMARK SECRETARIES LIMITED RESIGNED | Nominee Secretary | 14 Aug 1998 | 14 Aug 1998 | | | 120 East Road, London, N1 6AA |
| BROWN, Stephen Leonard RESIGNED | Director | 12 May 2000 | 30 Nov 2004 | | June 1955 | 7 High View Rise, Crays Hill, Billericay, Essex, CM11 2XU |
| CZULOWSKI, Mary Bethan, Mrs. RESIGNED | Director | 11 Apr 2016 | 01 Sep 2021 | United Kingdom | December 1958 | Ecopark, Advent Way, Edmonton, London, N18 3AG |
| MCGEEHAN, Matthew RESIGNED | Director | 28 Jan 2005 | 09 Feb 2016 | England | October 1958 | Ecopark, Advent Way, Edmonton, London, N18 3AG |
| SARGENT, David George RESIGNED | Director | 06 Sep 1999 | 31 Jul 2015 | United Kingdom | April 1947 | Ecopark, Advent Way, Edmonton, London, N18 3AG |
| SHARPE, Anthony Peter, Mr. RESIGNED | Director | 03 Aug 2015 | 30 Nov 2020 | United Kingdom | December 1961 | London, Waste Ltd, Ecopark Advent Way, Edmonton, London, N18 3AG |
| YOUNG, Nigel David RESIGNED | Director | 14 Aug 1998 | 06 Sep 1999 | | June 1947 | The Elms, Clubhouse Lane, Wedmore, Somerset, BS28 4JS |
| HALLMARK REGISTRARS LIMITED RESIGNED | Nominee Director | 14 Aug 1998 | 14 Aug 1998 | | | 120 East Road, London, N1 6AA |