| JEMMOTT-JAMES, Vanessa ACTIVE | Secretary | 28 May 2026 | | | | C/O Workman Llp, 7th Floor, 3 Newbridge Sq., Swindon, SN1 1BY, United Kingdom |
| MCLEOD, Neil James ACTIVE | Director | 11 Dec 2025 | | United Kingdom | April 1970 | C/O Workman Llp, 7th Floor, 3 Newbridge Sq., Swindon, SN1 1BY, United Kingdom |
| BIRDWOOD, Gordon Thomas RESIGNED | Secretary | 01 Jul 2013 | 15 Jan 2017 | | | Alliance House, 12 Caxton Street, London, SW1H 0QS, England |
| DUFFIELD, David Mark Johnston RESIGNED | Secretary | 25 Jun 1999 | 23 Jul 2001 | | | 58 West Chiltern, Woodcote, Reading, Berkshire, RG8 0SG |
| FERGUSON, Iain Donald RESIGNED | Secretary | | 25 Sep 1996 | | | 2 Chalet Close, Shootersway Lane, Berkhamsted, Hertfordshire, HP4 3NR |
| LYNE, Sarah Jane RESIGNED | Secretary | 25 Sep 1996 | 25 Jun 1999 | | | 11 Abelia Close, West End, Woking, Surrey, GU24 9PG |
| READ, Jonathan David RESIGNED | Secretary | 23 Jul 2001 | 25 Jun 2007 | | | 179 Tanworth Lane, Shirley, Solihull, West Midlands, B90 4BZ |
| WELLMAN, Alison RESIGNED | Secretary | 16 Feb 2015 | 28 May 2026 | | | C/O Workman Llp, 7th Floor, 3 Newbridge Sq., Swindon, SN1 1BY, United Kingdom |
| ANCOSEC LIMITED RESIGNED | Secretary | 25 Jun 2007 | 01 Jul 2013 | | | Arlington House, Arlington Business Park Theale, Reading, Berkshire, RG7 4SA |
| ARLINGTON BUSINESS PARKS SERVICES LIMITED RESIGNED | Secretary | | 28 Jun 1992 | | | Arlington House, Arlington Business Park Theale, Reading, RG7 4SA |
| BRADFORD, Douglas Philip RESIGNED | Director | 01 Jul 2009 | 25 Oct 2010 | England | October 1954 | 47 Grove Avenue, Muswell Hill, London, N10 2AL |
| BRADFORD, Douglas Philip RESIGNED | Director | | 02 Jan 1997 | | October 1954 | 66 Lavender Grove, London, E8 3LS |
| CARPENTER, Malcolm Edward RESIGNED | Director | 22 Mar 1999 | 09 Feb 2007 | | June 1956 | 100 Pennycress Way, Newport Pagnell, Buckinghamshire, MK16 8TT |
| CATT, Michael Anthony RESIGNED | Director | 11 Apr 2006 | 31 Oct 2007 | | October 1961 | 168 Northumberland Avenue, Hornchurch, Essex, RM11 2HR |
| CHRISTIE, David RESIGNED | Director | 09 Feb 2007 | 23 Jul 2010 | | June 1974 | Flat 5, 505 Liverpool Road, London, N7 8NW |
| EDWARDS, Daniel James RESIGNED | Director | 16 May 2002 | 11 Apr 2006 | | March 1969 | 190 Totterdown Street, London, SW17 8TD |
| ELLIS, Stephen John RESIGNED | Director | 31 Oct 2007 | 01 Jul 2009 | United Kingdom | July 1959 | Lavenders, Raleigh Drive Claygate, Esher, Surrey, KT10 9DE |
| FARRELL, Fergus John RESIGNED | Director | 23 Jul 2010 | 19 Dec 2012 | Ireland | October 1973 | 5, Deerpark Lawn, Castleknock, Dublin 15, Ireland |
| FRY, Jack RESIGNED | Director | 28 Feb 2020 | 15 Dec 2025 | United Kingdom | May 1987 | 105, Wigmore Street,, 5th Floor, London, W1u 1qy, United Kingdom |
| HOLMES, Paul Darren RESIGNED | Director | 31 May 2017 | 07 Nov 2017 | United Kingdom | August 1967 | Minton Place, Station Road, Swindon, SN1 1DA, United Kingdom |
| LOW, Richard Anthony RESIGNED | Director | 02 Jan 1997 | 16 May 2002 | | August 1949 | 17 Little Dorrit, Chelmsford, Essex, CM1 4YQ |
| MASSIE-WILLIAMS, Sara Caroline RESIGNED | Director | | 28 May 1993 | | April 1959 | White Lea House, Whitehill, Dane End, Hertfordshire, SG12 0JR |
| PECAR, Philip RESIGNED | Director | 07 Nov 2017 | 29 Feb 2020 | United Kingdom | February 1983 | Minton Place, Station Road, Swindon, SN1 1DA, United Kingdom |
| SCHROEDER, Nickolas Heinz RESIGNED | Director | 15 Jul 1993 | 22 Mar 1999 | | September 1943 | Arreton Manor, Arreton, Isle Of Wight, PO30 3AA |
| SMITH, James Edward RESIGNED | Director | 25 Oct 2010 | 26 Apr 2019 | England | December 1978 | Lasalle Investment Management, 33 Cavendish Square, London, W1A 2NF, England |
| YOUNG, Michael John RESIGNED | Director | 15 Jan 2013 | 31 May 2017 | England | January 1956 | 15, Finsbury Circus, London, England, EC2M 7EB, England |