| ANDERSON, Kathryn Marie ACTIVE | Director | 11 Jun 2026 | | United States | October 1984 | 15000, Valmont Plaza, Omaha, Nebraska, 68154, United States |
| CLARK, Drew Thomas ACTIVE | Director | 11 Jun 2026 | | United States | March 1989 | 15000, Valmont Plaza, Omaha, Nebraska, 68154, United States |
| PYTLAS, Maggie ACTIVE | Director | 11 Jun 2026 | | United Kingdom | October 1980 | Dukesway, Teesside Industrial Estate, Thornaby, Stockton-On-Tees, TS17 9LT, United Kingdom |
| TWEED, David William ACTIVE | Director | 11 Jun 2026 | | England | June 1972 | Unit 5, Valmont Stainton Ltd, Dukesway, Teesside Estate, Stockton-On-Tees, TS17 9LT, United Kingdom |
| BRUCE, Martha Blanche Waymark RESIGNED | Secretary | 15 Feb 2008 | 04 Oct 2010 | | | David Venus & Company, Thames House, Portsmouth Road, Esher, Surrey, KT10 9AD, United Kingdom |
| GUTHRIE, Anthony James RESIGNED | Secretary | 05 Sep 2006 | 15 Feb 2008 | | | 50 Providence Square, London, SE1 2EB |
| NARCISO, John Peter RESIGNED | Secretary | | 05 Sep 2006 | | | 52 Wood Dale, Great Baddow, Chelmsford, Essex, CM2 8EZ |
| DAVID VENUS & COMPANY LLP RESIGNED | Secretary | 04 Oct 2010 | 20 Aug 2018 | | | 42-50, Hersham Road, Walton-On-Thames, Surrey, KT12 1RZ, United Kingdom |
| PRISM COSEC LIMITED RESIGNED | Secretary | 20 Aug 2018 | 31 Dec 2025 | | | Highdown House, Yeoman Way, Worthing, West Sussex, BN99 3HH, United Kingdom |
| ATKINSON, Todd Gamble RESIGNED | Director | 02 Jul 2003 | 26 Feb 2016 | United States | January 1957 | Valmont Inc, One Valmont Plaza, 13815 First National Bank Parkway, Omaha, Nebraska, 68154-5215, Usa |
| BECK, Edgar Philip, Sir RESIGNED | Director | 01 Aug 1994 | 05 May 2004 | | August 1934 | Pylle Manor, Pylle, Shepton Mallet, Somerset, BA4 6TD |
| EASTON, Robert Alexander RESIGNED | Director | | 30 Nov 1996 | | October 1948 | 20 Victoria Grove, London, W8 5RW |
| FISHER, Charles Murray RESIGNED | Director | 06 Jun 2000 | 28 Apr 2006 | United Kingdom | December 1949 | Warneford House, Sudgrove, Miserden, Gloucestershire, GL6 7JD |
| FRANCIS, Timothy Perry RESIGNED | Director | 01 Jul 2015 | 11 Jun 2026 | United States | December 1976 | Valmont Industries, Inc., 15000 Valmont Plaza, Omaha, Nebraska, 68154, United States |
| GILL, Michael RESIGNED | Director | | 26 Mar 1999 | | November 1948 | 7 Park Road, Hampton Hill, Hampton, Middlesex, TW12 1HE |
| GISMONDI, Paul Arthur RESIGNED | Director | 16 Jun 2009 | 13 May 2010 | United Kingdom | November 1955 | Bridewell Gate, 9 Bridewell Place, London, EC4V 6AW |
| GOWEN, Robert William RESIGNED | Director | 12 Jul 2010 | 11 Feb 2011 | England | September 1971 | Bridewell Gate, 9 Bridewell Place, London, EC4V 6AW, England |
| JACOMB, Martin Wakefield, Sir RESIGNED | Director | 01 Nov 1993 | 31 Dec 2003 | United Kingdom | November 1929 | 86 Clarendon Road, London, W11 2HR |
| JAKSICH, Mark Charles RESIGNED | Director | 11 Feb 2011 | 31 Dec 2020 | United States | September 1957 | Valmont, One Valmont Plaza, 13815 First National Bank Parkway, Omaha, Nebraska, 68154-5215, United States |
| KEMPSTER, Jonathan RESIGNED | Director | 31 Oct 2006 | 12 Jul 2010 | England | January 1963 | Bridewell Gate, 9 Bridewell Place, London, EC4V 6AW |
| LEBENS, Gary Steven RESIGNED | Director | 07 Aug 2011 | 01 Dec 2023 | United States | April 1963 | Valmont Industries, Inc., 15000 Valmont Plaza, Omaha, Nebraska, 68154, United States |
| LEJMAN, Mark Timothy RESIGNED | Director | 01 May 2006 | 13 May 2010 | United Kingdom | October 1956 | Bridewell Gate, 9 Bridewell Place, London, EC4V 6AW |
| MARSHALL, Steven RESIGNED | Director | 01 Apr 2004 | 13 May 2010 | Uk | February 1957 | Bridewell Gate, 9 Bridewell Place, London, EC4V 6AW |
| MASSEY, Roger Andrew RESIGNED | Director | 11 Feb 2011 | 11 Jun 2026 | United States | July 1969 | Valmont Industries, Inc., 15000 Valmont Plaza, Omaha, Nebraska, 68154, United States |
| MCCLAIN, Terry James RESIGNED | Director | 13 May 2010 | 01 Jul 2015 | United States | January 1948 | Valmont Inc, One Valmont Plaza, 13815 First National Bank Parkway, Omaha, Nebraska, 68154-5215, Usa |
| MEANEY, Edward Robert RESIGNED | Director | 13 May 2010 | 01 Jul 2015 | United States | July 1947 | Valmont Inc, One Valmont Plaza, 13815 First National Bank Parkway, Omaha, Nebraska, 68154-5215, Usa |
| MOFFAT, Brian Scott, Sir RESIGNED | Director | 01 Jul 1994 | 12 May 1998 | | January 1939 | Springfield Farm, Earlswood, Chepstow, Gwent, NP6 6AT |
| MORGAN, Ian Paul RESIGNED | Director | 01 Jul 2022 | 11 Jun 2026 | United Kingdom | May 1968 | Unit 5, Dukesway, Teesside Industrial Estate, Stockton-On-Tees, Cleveland, TS17 9LT, United Kingdom |
| NABET, Jean-Laurent RESIGNED | Director | 11 May 2005 | 02 Dec 2005 | France | January 1964 | 166 Boulevard Haussmann, Paris, 75008, France |
| ORCHARD, Peter Francis RESIGNED | Director | | 28 Jan 1993 | | March 1927 | Willow Cottage, Little Hallingbury, Bishops Stortford, Hertfordshire, CM22 7PX |
| PEDDER, Anthony Paul RESIGNED | Director | 01 Jul 1998 | 31 Dec 2004 | England | June 1949 | 87 Dore Road, Sheffield, South Yorkshire, S17 3ND |
| POTTS, Karen Colleen RESIGNED | Director | 01 Jul 2015 | 28 Mar 2024 | United States | May 1980 | Valmont Industries, Inc., 15000 Valmont Plaza, Omaha, Nebraska, 68154, United States |
| ROBINSON, John Harris RESIGNED | Director | 01 Jan 1993 | 30 Jun 2001 | England | December 1940 | 20 Mill Lane, Elloughton, Brough, East Yorkshire, HU15 1JL |
| ROBSON, Mark Philip William RESIGNED | Director | 18 Mar 1999 | 12 Apr 2005 | United Kingdom | January 1958 | 14 Bathgate Road, London, SW19 5PN |
| SCOTT-MAXWELL, Jon Peter RESIGNED | Director | 01 Dec 1996 | 02 Jul 2003 | England | November 1951 | Weir Sound, Laleham Reach, Chertsey, Surrey, KT16 8RT |
| SMITS, Paul Martin Anthony Mary RESIGNED | Director | 16 Sep 1997 | 23 Dec 2001 | | July 1943 | 20 Chancellor House, 17 Hyde Park Gate, London, SW7 |
| STERN, Edouard RESIGNED | Director | 07 May 2003 | 01 Mar 2005 | | October 1954 | Rue Adrien Lachenal 17, Geneva, 1206, FOREIGN |
| TAYLOR, Jamie Austin RESIGNED | Director | 07 Aug 2011 | 30 Jun 2022 | England | March 1971 | Dukesway, Teeside Industrial Estate, Thornaby, Stockton-On-Tees, TS17 9LT, United Kingdom |
| VAN RIEL, Kirsten RESIGNED | Director | 30 Jan 2006 | 08 Oct 2007 | | November 1950 | 31 Qual Anatole-France, Paris, 75007, FOREIGN, France |
| WALKER, Andrew John RESIGNED | Director | 11 May 2005 | 13 May 2010 | United Kingdom | September 1951 | Bridewell Gate, 9 Bridewell Place, London, EC4V 6AW |
| WALTERS, Michael Quentin RESIGNED | Director | | 27 Apr 1995 | | October 1927 | Derryfield Cottage, Ashton Keynes, Swindon, Wiltshire |
| WILSON, Geoffrey Hazlitt, The Honourable RESIGNED | Director | | 27 Apr 1994 | | December 1929 | Highthorne, Newton Valence, Alton, Hampshire, GU34 3RB |