| Q1 PROFESSIONAL SERVICES LIMITED ACTIVE | Secretary | 28 May 2025 | | | | One, Station Approach, Harlow, Essex, CM20 2FB, England |
| FRASER, Hilary Jean ACTIVE | Director | 10 Nov 2016 | | United Kingdom | September 1950 | One, Station Approach, Harlow, Essex, CM20 2FB, England |
| SHARP, Elizabeth Joan ACTIVE | Director | 31 Oct 2017 | | United Kingdom | March 1985 | One, Station Approach, Harlow, Essex, CM20 2FB, England |
| CORBETT, Simon RESIGNED | Secretary | 12 Jun 1995 | 14 Jun 1998 | | | 35 Horseshoe Crescent, Burghfield Common, Reading, Berkshire, RG7 3XW |
| DELLER, Leonard Charles RESIGNED | Secretary | 16 Jun 1998 | 26 Nov 1998 | | | 32 Horshoe Crescent, Burghfield Common, Reading, Berkshire, RG7 3XW |
| DOBBIE, Denise Ann RESIGNED | Secretary | 08 Sep 2004 | 02 Jun 2008 | | | 44 Horseshoe Crescent, Burghfield Common, Berkshire, RG7 3XW |
| HANSON, Richard James RESIGNED | Secretary | 01 Dec 2003 | 24 May 2004 | | | 35 Horseshoe Crescent, Burghfield Common, Reading, RG7 3XW |
| HEADD-WILLIAMS, Huw Treloar RESIGNED | Secretary | 06 Mar 2009 | 01 Oct 2018 | | | 28, Horseshoe Crescent, Burghfield Common, Berkshire, RG7 3XW |
| LAWRENCE, Paul Andrew RESIGNED | Secretary | 26 Nov 1998 | 25 Apr 2003 | | | 30 Horseshoe Crescent, Burghfield Common, Reading, RG7 3XW |
| TEDDER, Elizabeth RESIGNED | Secretary | 30 Apr 1992 | 31 Dec 1994 | | | Hartree 32 Chertsey Road, Windlesham, Surrey, GU20 6EP |
| COMPANY SECRETARIES (HERTFORD) LIMITED RESIGNED | Secretary | 10 Mar 1995 | 12 Jun 1995 | | | Gardners Farm, Ardeley, Stevenage, Hertfordshire, SG2 7AR |
| GEM ESTATE MANAGEMENT (1995) LIMITED RESIGNED | Secretary | 25 Apr 2003 | 02 Jun 2011 | | | Gem House, 1 Dunhams Lane, Letchworth Garden City, Hertfordshire, SG6 1GL, United Kingdom |
| GEM ESTATE MANAGEMENT LIMITED RESIGNED | Secretary | 02 Jun 2011 | 28 May 2025 | | | Gem House, 1 Dunhams Lane, Letchworth Garden City, Herts, SG6 1GL, United Kingdom |
| SEYMOUR MACINTYRE LIMITED RESIGNED | Secretary | | 30 Apr 1992 | | | 51 Quarry Street, Guildford, Surrey, GU1 3UA |
| BEECH, Alain RESIGNED | Director | 12 Jun 1995 | 30 Nov 1998 | | May 1970 | 28 Horseshoe Crescent, Burghfield Common, Reading, Berkshire, RG7 3XW |
| CORBETT, Simon RESIGNED | Director | 12 Jun 1995 | 14 Jun 1998 | | July 1965 | 35 Horseshoe Crescent, Burghfield Common, Reading, Berkshire, RG7 3XW |
| DAVIDSON, Anne Cassie RESIGNED | Director | | 30 Apr 1992 | | April 1953 | 16 Harestone Lane, Caterham, Surrey, CR3 6BD |
| DELLER, Leonard Charles RESIGNED | Director | 30 Sep 1996 | 26 Nov 1998 | | July 1927 | 32 Horshoe Crescent, Burghfield Common, Reading, Berkshire, RG7 3XW |
| DELLER, Rachel RESIGNED | Director | 14 Sep 2002 | 17 Sep 2008 | | February 1930 | 32 Horseshoe Crescent, Burghfield Common, Reading, Berkshire, RG7 3XW |
| DELLER, Stephen William James RESIGNED | Director | 26 Nov 1998 | 07 Nov 1999 | | April 1964 | 27 Horseshoe Crescent, Burghfield Common, Reading, RG7 3XW |
| GREEN, Arthur John RESIGNED | Director | | 06 Jan 1992 | | February 1934 | Newforge Westfield Lane, Wrecclesham, Farnham, Surrey, GU10 4QP |
| HANSON, Richard James RESIGNED | Director | 26 Nov 1998 | 24 May 2004 | | May 1971 | 35 Horseshoe Crescent, Burghfield Common, Reading, RG7 3XW |
| HEADD-WILLIAMS, Huw Treloar RESIGNED | Director | 06 Mar 2009 | 01 Oct 2018 | United Kingdom | April 1979 | 28, Horseshoe Crescent, Burghfield Common, Berkshire, RG7 3XW |
| LAWRENCE, Paul Andrew RESIGNED | Director | 26 Nov 1998 | 25 Apr 2003 | | November 1967 | 30 Horseshoe Crescent, Burghfield Common, Reading, RG7 3XW |
| MARSLAND, Mary RESIGNED | Director | 08 Sep 2004 | 16 Sep 2015 | United Kingdom | June 1971 | 45 Horseshoe Crescent, Burghfield Common, Reading, Berkshire, RG7 3XW |
| METCALFE, Julia RESIGNED | Director | 30 Apr 1992 | 31 Dec 1994 | | April 1948 | Worplesdon Chase Pitch Place, Worplesdon, Guildford, Surrey, GU3 3LA |
| MONNIER, Paul David John RESIGNED | Director | | 30 Apr 1992 | | February 1951 | 98 Oakley Lane, Oakley, Basingstoke, Hampshire, RG23 7JX |
| OBRIEN, Edward William RESIGNED | Director | 30 Sep 1999 | 09 Apr 2002 | | October 1937 | 36 Horseshoe Crescent, Burghfield Common, Reading, Berkshire, RG7 3XW |
| PEPPEREL, Lee-Ann RESIGNED | Director | 17 Sep 2008 | 04 Mar 2009 | | February 1980 | 30, Horseshoe Crescent, Burghfield Common, Reading, Berkshire, RG7 3XW |
| REES, John Thomas James RESIGNED | Director | | 30 Apr 1992 | | October 1952 | Dulce Domum 121 Busbridge Lane, Godalming, Surrey, GU7 1QJ |
| ROMITA, Luca RESIGNED | Director | 30 Dec 2016 | 21 Feb 2023 | United Kingdom | May 1971 | Thamesbourne Lodge, Station Road, Bourne End, Buckinghamshire, SL8 5QH, United Kingdom |
| WATSON, Paul Edward RESIGNED | Director | 30 Sep 1996 | 01 Apr 2005 | | July 1961 | 26 Horseshoe Crescent, Burghfield Common, Reading, Berkshire, RG7 3XW |
| CORPORATE PROPERTY MANAGEMENT LIMITED RESIGNED | Director | 10 Mar 1995 | 12 Jun 1995 | | | 108 High Street, Stevenage, Hertfordshire, SG1 3DW |