| PINSENT MASONS SECRETARIAL LIMITED ACTIVE | Secretary | 07 Mar 2019 | | | | 1, Park Row, Leeds, LS1 5AB, England |
| BANNISTER, William Bahlsen ACTIVE | Director | 24 Dec 2018 | | United Kingdom | March 1967 | 10, Bricket Road, St Albans, Hertfordshire, AL1 3JX, United Kingdom |
| BIGGART, Thomas Mckenzie ACTIVE | Director | 11 Mar 2019 | | Scotland | August 1966 | 10, Bricket Road, St Albans, Hertfordshire, AL1 3JX, United Kingdom |
| LANE, Simon Paul ACTIVE | Director | 24 Dec 2018 | | England | February 1963 | 10, Bricket Road, St Albans, Hertfordshire, AL1 3JX, United Kingdom |
| HATHAWAY, David RESIGNED | Secretary | 24 Oct 2007 | 07 Mar 2019 | | | Gladstone Place, 36-38 Upper Marlborough Road, St. Albans, Hertforshire, AL1 3UU, England |
| KEATING, Roderick Charles RESIGNED | Secretary | 01 Dec 2007 | 05 Oct 2011 | | | Vincent House, 4 Grove Lane, Epping, Essex, CM16 4LH |
| KEIDAN, Michael David Alan RESIGNED | Secretary | 19 Apr 2001 | 24 Oct 2007 | | | 15 Crooked Usage, Finchley, London, N3 3HD |
| QA REGISTRARS LIMITED RESIGNED | Nominee Secretary | 04 Apr 2001 | 19 Apr 2001 | | | The Studio, St Nicholas Close, Elstree, Hertfordshire, WD6 3EW |
| BACK, Steven John RESIGNED | Director | 01 Mar 2016 | 15 Oct 2018 | United Kingdom | September 1960 | Vincent House, 4 Grove Lane, Epping, Essex, CM16 4LH |
| DICKENS, Karen Juanita, Dr RESIGNED | Director | 01 Mar 2016 | 22 Jun 2018 | United Kingdom | February 1963 | Vincent House, 4 Grove Lane, Epping, Essex, CM16 4LH |
| PEACOCK, Graham Frederick RESIGNED | Director | 24 Oct 2007 | 29 Feb 2016 | United Kingdom | April 1950 | Vincent House, 4 Grove Lane, Epping, Essex, CM16 4LH |
| PEARS, David Alan RESIGNED | Director | 19 Apr 2001 | 24 Oct 2007 | United Kingdom | April 1968 | 2 Old Brewery Mews, Hampstead, London, NW3 1PZ |
| PEARS, Mark Andrew RESIGNED | Director | 19 Apr 2001 | 24 Oct 2007 | United Kingdom | November 1962 | 2 Old Brewery Mews, Hampstead, London, NW3 1PZ |
| PEARS, Trevor Steven, Sir RESIGNED | Director | 19 Apr 2001 | 24 Oct 2007 | United Kingdom | June 1964 | 2 Old Brewery Mews, Hampstead, London, NW3 1PZ |
| ROBINSON, Melvin Frank RESIGNED | Director | 06 Sep 2001 | 24 Oct 2007 | England | March 1956 | 19 Aylmer Drive, Stanmore, Middlesex, HA7 3EJ |
| SCOTT, Richard Antony Cargill RESIGNED | Director | 08 Feb 2012 | 05 May 2015 | England | February 1959 | Vincent House, 4 Grove Lane, Epping, Essex, CM16 4LH |
| SHARPE, Steven RESIGNED | Director | 06 Sep 2001 | 24 Oct 2007 | United Kingdom | May 1967 | Kenwood House, Kenwood Close, London, NW3 7JL |
| TIMBERS, Graham Paul RESIGNED | Director | 12 Oct 2018 | 12 Feb 2019 | England | December 1959 | Gladstone Place, 36-38 Upper Marlborough Road, St. Albans, Hertforshire, AL1 3UU, England |
| TOBBELL, Susan Margaret RESIGNED | Director | 24 Oct 2007 | 29 Feb 2016 | United Kingdom | March 1952 | Vincent House, 4 Grove Lane, Epping, Essex, CM16 4LH |
| QA NOMINEES LIMITED RESIGNED | Nominee Director | 04 Apr 2001 | 19 Apr 2001 | | | The Studio, St Nicholas Close, Elstree, Hertfordshire, WD6 3EW |
| WPG REGISTRARS LIMITED RESIGNED | Director | 19 Jul 2005 | 24 Oct 2007 | | | Ground Floor, 30 City Road, London, EC1Y 2AB |