| Q1 PROFESSIONAL SERVICES LIMITED ACTIVE | Secretary | 01 Jul 2011 | | | | One, Station Approach, Harlow, Essex, CM20 2FB, England |
| BATCHELDER, Verity Louise ACTIVE | Director | 02 Nov 2025 | | England | June 1968 | One, Station Approach, Harlow, Essex, CM20 2FB, England |
| WANG, Shang ACTIVE | Director | 05 Jun 2025 | | England | June 1987 | One, Station Approach, Harlow, Essex, CM20 2FB, England |
| BURNAND, Robert George RESIGNED | Secretary | 13 Dec 2005 | 01 Jul 2011 | | | Thamesbourne Lodge, Station Road, Bourne End, Buckinghamshire, SL8 5QH |
| PITSEC LIMITED RESIGNED | Secretary | 03 Feb 2004 | 13 Dec 2005 | | | 47 Castle Street, Reading, Berkshire, RG1 7SR |
| BURNAND, Nigel Francis RESIGNED | Director | 01 Jan 2012 | 01 Feb 2023 | United Kingdom | October 1958 | Thamesbourne Lodge, Station Road, Bourne End, Buckinghamshire, SL8 5QH, England |
| BURNAND, Nigel Francis RESIGNED | Director | 01 Jan 2006 | 06 Jun 2008 | United Kingdom | October 1958 | Field House, Chinnor Road, Aston Rowant, Oxfordshire, OX49 5SH |
| COATES, Christopher RESIGNED | Director | 03 Feb 2004 | 31 Dec 2005 | England | November 1965 | Chiltern House, Maltmans Lane, Gerrards Cross, Buckinghamshire, SL9 8RS |
| FOLEY, Kevin Paul RESIGNED | Director | 14 Jul 2008 | 15 Feb 2012 | United Kingdom | March 1957 | 18 Alderwood Avenue, Chandlers Ford, Eastleigh, Hampshire, SO53 4TH |
| GOLDING, Peter Brett RESIGNED | Director | 05 Jun 2008 | 15 Jul 2008 | England | February 1962 | Bluecoat, Salisbury Road, Horsham, West Sussex, RH13 0AJ |
| GOLDING, Peter Brett RESIGNED | Director | 03 Feb 2004 | 31 Dec 2005 | England | February 1962 | Bluecoat, Salisbury Road, Horsham, West Sussex, RH13 0AJ |
| MACAINSH, Paul RESIGNED | Director | 01 Feb 2023 | 05 Jun 2025 | United Kingdom | December 1980 | Thamesbourne Lodge, Station Road, Bourne End, Buckinghamshire, SL8 5QH |
| MEARNS, Gavin Alexander RESIGNED | Director | 01 Feb 2023 | 01 Feb 2025 | United Kingdom | May 1972 | Thamesbourne Lodge, Station Road, Bourne End, Buckinghamshire, SL8 5QH |
| NICHOLSON, Tom Marshall RESIGNED | Director | 14 Jul 2008 | 15 Feb 2012 | England | June 1965 | Wilton Lodge, Lovel Road, Winkfield, Berkshire, SL4 2ES |
| TODD, Helen Anne Frame RESIGNED | Director | 05 Jun 2008 | 15 Jul 2008 | United Kingdom | January 1969 | Stubbings Barn, Burchetts Green Lane, Burchetts Green, Berkshire, SL6 3QP |
| CASTLE NOTORNIS LIMITED RESIGNED | Director | 03 Feb 2004 | 03 Feb 2004 | | | 47 Castle Street, Reading, RG1 7SR |
| PITSEC LIMITED RESIGNED | Director | 03 Feb 2004 | 03 Feb 2004 | | | 47 Castle Street, Reading, Berkshire, RG1 7SR |