| 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 |
| BUNYAN, Andrew John Paul RESIGNED | Secretary | 30 Sep 2001 | 30 Sep 2005 | | | 29 Dudley Gardens, Harrow, Middlesex, HA2 0DQ |
| WALKER, Philip Henry RESIGNED | Secretary | | 30 Sep 2001 | | | 9 Daisy Bank Close, Pelsall, Walsall, West Midlands, WS3 4BL |
| DAVID VENUS & COMPANY LLP RESIGNED | Secretary | 30 Sep 2010 | 20 Aug 2018 | | | 42-50, Hersham Road, Walton-On-Thames, Surrey, KT12 1RZ, United Kingdom |
| DELTA (DCC) LIMITED RESIGNED | Secretary | 30 Sep 2005 | 30 Sep 2010 | | | Bridewell Gate, 9 Bridewell Place, London, EC4V 6AW |
| PRISM COSEC LIMITED RESIGNED | Secretary | 20 Aug 2018 | 31 Dec 2025 | | | Highdown House, Yeoman Way, Worthing, West Sussex, BN99 3HH, United Kingdom |
| BRODKORB, Rudi RESIGNED | Director | | 30 Jun 1998 | | July 1943 | Auf Dem Huels 22, 4020 Mettmann, Dusseldorf, Germany |
| BUCKARD, Henry Louis Owen RESIGNED | Director | | 31 Jul 1993 | | July 1939 | The Old Vicarage 19 Weston Road, Bretforton, Evesham, Worcestershire, WR11 5HW |
| BUNYAN, Andrew John Paul RESIGNED | Director | 17 Mar 2005 | 30 Sep 2005 | | September 1970 | 29 Dudley Gardens, Harrow, Middlesex, HA2 0DQ |
| DARWIN, Richard Paul, Dr RESIGNED | Director | 01 Jul 1998 | 27 Dec 2002 | United Kingdom | August 1955 | The Croft House 3 The Croft, Warton, Tamworth, Staffordshire, B79 0HY |
| FORD, Janet Anne RESIGNED | Director | 30 Sep 2003 | 17 Mar 2005 | United Kingdom | February 1957 | 40 Princes Gardens, West Acton, London, W3 0LG |
| FRANCIS, Timothy Perry RESIGNED | Director | 01 Jan 2021 | 11 Jun 2026 | United States | December 1976 | Valmont Industries, Inc., 15000 Valmont Plaza, Omaha, Nebraska, 68154, United States |
| GALLAGHER, Noel Joseph RESIGNED | Director | | 30 Sep 2003 | | December 1949 | 61 Princes Gardens, Codsall, South Staffordshire, WV8 2DL |
| GARVEY, William Edward RESIGNED | Director | | 30 Jun 1998 | | November 1937 | 9 Cypress Gardens, Kingswinford, West Midlands, DY6 9TU |
| GOWEN, Robert William RESIGNED | Director | 12 Jul 2010 | 11 Feb 2011 | England | September 1971 | Bridewell Gate, 9 Bridewell Place, London, EC4V 6AW, England |
| HALPER, Manfred RESIGNED | Director | 01 May 1998 | 27 Dec 2002 | | January 1944 | 189 Avenue Blucher, Brussels 1180, Belgium |
| HERBERT, Graham RESIGNED | Director | | 31 Dec 1993 | | July 1943 | Staffords 12 Denehurst Close, Barnt Green, Birmingham, Worcestershire, B45 8HR |
| HULL, Andrew Fraser RESIGNED | Director | | 31 Jul 1991 | | June 1943 | 5 Station Road, Hampton In Arden, Solihull, West Midlands, B92 0BJ |
| 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 |
| JENKINS, Michael Victor RESIGNED | Director | | 31 Oct 1997 | United Kingdom | July 1950 | Oaklands 44 Middlefield Lane, Hagley, Stourbridge, Worcestershire, DY9 0PX |
| KEMPSTER, Jonathan RESIGNED | Director | 30 Oct 2007 | 12 Jul 2010 | England | January 1963 | Glaston Hill Lodge, Church Road, Eversley, Hampshire, RG27 0PX |
| KING, Andrew Philip Marshall RESIGNED | Director | | 31 Jul 2001 | | December 1948 | 12 Kingfisher Way, Bishops Stortford, Hertfordshire, CM23 2AZ |
| LEE, Tony RESIGNED | Director | 23 Jul 1999 | 05 Jan 2001 | England | November 1964 | 8 Rossdale, Tunbridge Wells, Kent, TN2 3PG |
| LUTON, Mark RESIGNED | Director | 17 Mar 2005 | 30 Oct 2007 | | August 1970 | 52 Beechwood Avenue, Farnborough, Kent, BR6 7EY |
| MARRIOTT, Paul Roger RESIGNED | Director | 17 Mar 2005 | 31 Mar 2008 | United Kingdom | March 1968 | 37 Park Road, Radlett, Hertfordshire, WD7 8EG |
| 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 |
| NARCISO, John Peter RESIGNED | Director | 23 Jul 1999 | 17 Mar 2005 | | November 1947 | 52 Wood Dale, Great Baddow, Chelmsford, Essex, CM2 8EZ |
| NARCISO, John Peter RESIGNED | Director | 01 Jul 1998 | 21 Dec 1998 | | November 1947 | 52 Wood Dale, Great Baddow, Chelmsford, Essex, CM2 8EZ |
| PEARCE, David Michael RESIGNED | Director | | 30 Dec 2003 | United Kingdom | January 1947 | 8 Deer Park Drive, Newport, Salop Shropshire, TF10 7HB |
| PRITCHARD, Neil Bartley RESIGNED | Director | 31 Mar 2008 | 11 Aug 2008 | England | December 1971 | 80, Park Road, New Barnet, Herts, EN4 9QF, Uk |
| SMALLEY, Robert Anthony RESIGNED | Director | 11 Aug 2008 | 11 Feb 2011 | England | January 1976 | 1, Carlbury Close, St Albans, Herts, AL1 5DR, Uk |