| Q1 PROFESSIONAL SERVICES LIMITED ACTIVE | Secretary | 08 Oct 2025 | | | | One, Station Approach, Harlow, Essex, CM20 2FB, England |
| MACAINSH, Paul ACTIVE | Director | 01 May 2025 | | England | December 1980 | One, Station Approach, Harlow, Essex, CM20 2FB, England |
| BOROWSKA, Carol RESIGNED | Secretary | 05 Nov 1996 | 24 Apr 1998 | | | 50 Gervaise Close, Cippenham, Slough, Berkshire, SL1 5NQ |
| BOROWSKI, Edward Ludwic RESIGNED | Secretary | | 29 Sep 1992 | | | 40 Frogmore Close, Cippenham, Slough, Berkshire, SL1 9BW |
| EDWARDS, Colin Robert RESIGNED | Secretary | 29 Sep 1992 | 05 Nov 1996 | | | 42 Frogmore Close, Slough, Berkshire, SL1 9BW |
| COMPANY SECRETARIES (HERTFORD) LTD RESIGNED | Secretary | 15 May 1998 | 26 Sep 1999 | | | 3 Market Place, Hertford, Hertfordshire, SG14 1DE |
| GEM ESTATE MANAGEMENT (1995) LIMITED RESIGNED | Secretary | 26 Sep 1999 | 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 | 08 Oct 2025 | | | Gem House, 1 Dunhams Lane, Letchworth Garden City, Herts, SG6 1GL, United Kingdom |
| BENNETT, Amanda RESIGNED | Director | 01 Sep 1998 | 18 Mar 2002 | | December 1965 | 24 Frogmore Close, Slough, Berkshire, SL1 9BW |
| BOND, Lorraine RESIGNED | Director | 15 Nov 1994 | 02 Sep 1998 | | November 1948 | 24 Frogmore Close, Windsor Meadows, Slough, Berkshire, SL1 9BW |
| BOROWSKA, Carol RESIGNED | Director | 05 Nov 1996 | 24 Apr 1998 | | March 1952 | 50 Gervaise Close, Cippenham, Slough, Berkshire, SL1 5NQ |
| BOROWSKI, Edward Ludwic RESIGNED | Director | | 29 Sep 1992 | | April 1964 | 40 Frogmore Close, Cippenham, Slough, Berkshire, SL1 9BW |
| EDWARDS, Colin Robert RESIGNED | Director | | 05 Nov 1996 | | June 1959 | 42 Frogmore Close, Slough, Berkshire, SL1 9BW |
| GOODY, Matthew Allen RESIGNED | Director | 30 Sep 1998 | 05 Dec 2000 | | January 1979 | 22 Frogmore Close, Slough, Berkshire, SL1 9BW |
| HAYES, Janine Tracy RESIGNED | Director | 18 Apr 2002 | 05 Sep 2003 | | April 1970 | 30 Frogmore Close, Cippenham, Slough, Berkshire, SL1 9BW |
| HUTCHINSON, Heather Evelyn RESIGNED | Director | 29 Sep 1992 | 15 Nov 1994 | | March 1992 | 36 Frogmore Close, Slough, Berks, SL1 9BW |
| MCLACHLAN, Archibald RESIGNED | Director | 01 Mar 2003 | 15 Jun 2015 | United Kingdom | September 1961 | 32 Frogmore Close, Slough, Berkshire, SL1 9BW |
| MILLS, Simon Jonathan RESIGNED | Director | 01 May 2002 | 12 Oct 2009 | | April 1965 | 38 Frogmore Close, Slough, Berkshire, SL1 9BW |
| SMITH, Ronald Peter John RESIGNED | Director | 13 Jun 2019 | 01 May 2025 | United Kingdom | March 1946 | Thamesbourne Lodge, Station Road, Bourne End, Buckinghamshire, SL8 5QH, United Kingdom |
| TURNER, Owen RESIGNED | Director | 15 Jun 2015 | 02 Oct 2019 | England | November 1974 | Gem House, 1 Dunhams Lane, Letchworth Garden City, Herts, SG6 1GL, England |
| TURNER, Owen RESIGNED | Director | 05 Jul 2010 | 11 Feb 2013 | United Kingdom | November 1974 | Gem House, 1 Dunhams Lane, Letchworth Garden City, Hertfordshire, SG6 1GL |
| WELLS, Stephen Charles RESIGNED | Director | 11 May 1998 | 31 Jan 1999 | | May 1969 | 30 Frogmore Close, Windsor Meadows, Slough, Berkshire, SL1 9BW |