| HALL, Trevor Roy ACTIVE | Director | 23 Jan 2018 | | England | December 1959 | C/O Tlt Llp, One Redcliff Street, Bristol, BS1 6TP |
| HOLDEN, David James ACTIVE | Director | 09 May 2012 | | United Kingdom | September 1955 | 2, Southgate Wood, Morpeth, Northumberland, NE61 2EN, United Kingdom |
| MCANANEY, Jacqueline Elizabeth ACTIVE | Director | 13 Feb 2020 | | England | August 1961 | C/O Tlt Llp, One Redcliff Street, Bristol, BS1 6TP |
| MCCARTHY, Anne Patricia ACTIVE | Director | 21 Aug 2019 | | England | August 1953 | C/O Tlt Llp, One Redcliff Street, Bristol, BS1 6TP |
| SHELDON, Jane ACTIVE | Director | 23 Aug 2013 | | United Kingdom | September 1960 | Hydro Holdings Uk Limited, The Smith, Nakuru Suite, 145 London Road, Kingston Upon Thames, KT2 6SR, England |
| WILLIAMS, David James ACTIVE | Director | 10 Nov 2014 | | Wales | December 1978 | 31, Beech Tree Crescent, Blaina, Abertillery, NP13 3JA, Wales |
| ADKINS, Bernard James RESIGNED | Secretary | 26 May 1995 | 01 Jul 2003 | | | Hillsboro Whynstones Road, Ascot, Berkshire, SL5 9HW |
| HURST, Marilyn Joan RESIGNED | Secretary | 05 Dec 2006 | 01 Nov 2007 | | | 22 Westcar Lane, Walton On Thames, Surrey, KT12 5ER |
| MOSS, Nicholas Alan RESIGNED | Secretary | 01 Nov 2007 | 23 Aug 2013 | | | Norton Rose, 3 More London Riverside, London, SE1 2AQ |
| WARREN, Stephen John RESIGNED | Secretary | | 26 May 1995 | | | 5 Farmhouse Close, Pyrford, Woking, Surrey, GU22 8LR |
| WONG, Joyce Mei Fong RESIGNED | Secretary | 01 Jul 2003 | 05 Dec 2006 | | | Burlington Lodge, 1a Burlington Road, Chiswick London, W4 4BQ |
| ADKINS, Bernard James RESIGNED | Director | 13 Dec 1999 | 01 Jul 2003 | | September 1939 | Hillsboro Whynstones Road, Ascot, Berkshire, SL5 9HW |
| BYGRAVE, Victor Donald RESIGNED | Director | 22 May 1995 | 15 Oct 1998 | | July 1943 | C/O Aluminium Precision Extruders, Bedwas House, Newport, Gwent, NP1 8DR |
| CLARK, Andrew Mark RESIGNED | Director | 18 Apr 2005 | 27 Nov 2011 | United Kingdom | March 1961 | 6 Darren Close, Rudry, Caerphilly, Mid Glamorgan, CF83 3BZ |
| COOK, David John RESIGNED | Director | 25 Nov 1993 | 27 Mar 2002 | Great Britain | July 1950 | Hazelgrove, Trellech Road, Tintern, Chepstow, Gwent, NP16 6SN |
| DAAE, Anders RESIGNED | Director | 01 Aug 2006 | 23 Apr 2012 | Norway | August 1955 | Ekebergveien 136b, Ekebergveien 136b, Oslo, 1178, Norway |
| ELLIS, Ronald Henry RESIGNED | Director | 20 Nov 2007 | 11 Nov 2014 | Wales | January 1953 | 8 Aberfawr Terrace, Abertridwr, Caerphilly, Mid Glamorgan, CF83 4EL |
| ELLIS, Ronald Henry RESIGNED | Director | 31 Jan 2001 | 30 Jun 2004 | Wales | January 1953 | 8 Aberfawr Terrace, Abertridwr, Caerphilly, Mid Glamorgan, CF83 4EL |
| FERGUSSON, Peter RESIGNED | Director | 15 Jan 2002 | 30 Sep 2007 | England | April 1943 | 10 Chantry View Road, Guildford, Surrey, GU1 3XR |
| FRASER, George Kenneth RESIGNED | Director | 17 Nov 1992 | 13 Sep 1999 | | March 1950 | Ravenswood, North Connel, Oban, Argyll, PA37 1QX |
| HATHI, Bipin Dhirajlal RESIGNED | Director | 01 Aug 2005 | 30 Sep 2007 | England | May 1969 | 11 Singleton Gardens, Clanfield, Hampshire, PO8 0XN |
| HERRON, Philip Andrew RESIGNED | Director | 01 Jul 2004 | 08 Apr 2005 | | April 1944 | 8 Newfield Avenue, Normanton, West Yorkshire, WF6 1SL |
| HURST, Marilyn Joan RESIGNED | Director | 15 Nov 1995 | 23 Feb 2001 | United Kingdom | July 1950 | 22 Westcar Lane, Walton On Thames, Surrey, KT12 5ER |
| JOHNSON, Michael RESIGNED | Director | | 31 Jan 2001 | | October 1956 | 46 Bryngwyn, Caerphilly, Mid Glamorgan, CF8 1ET |
| LAMONT, Thomas RESIGNED | Director | 01 Mar 2002 | 09 Mar 2005 | | October 1953 | 68 Turnberry, Ouston, Chester Le Street, Durham, DH2 1LR |
| MACE, Guy Whitmore RESIGNED | Director | | 10 Nov 1995 | | October 1950 | Peaton House,Ardpeaton, Cove, Helensburgh, Dunbartonshire, G84 0PE |
| NORMAN, John Patrick RESIGNED | Director | 23 Aug 2013 | 30 Jun 2014 | Wales | February 1974 | Hydro Aluminium Extrusion Ltd, Pantglas Industrial Estate, Bedwas, Caerphilly, CF83 8DR, Wales |
| POTTS, John David RESIGNED | Director | 04 Dec 2014 | 09 Oct 2017 | United Kingdom | August 1952 | 6, Sunny Bank Terrace, Machen, Caerphilly, Mid Glamorgan, CF83 8PY, Wales |
| PULLAR, John Adrian RESIGNED | Director | 15 May 1996 | 09 Dec 2001 | | June 1972 | 19 Buchanan Court, Carron, Falkirk, FK2 7FE |
| RANDLE, Paul Henry RESIGNED | Director | 15 Oct 1998 | 10 Nov 2014 | Wales | December 1963 | 4 Forest Grove, Edwardsville, Treharris, Mid Glamorgan, CF46 5NG |
| SANGSTER, John James RESIGNED | Director | | 25 Nov 1993 | | November 1940 | 14 Marine Drive, Ogmore By Sea, Bridgend, Mid Glamorgan, CF32 0PJ |
| SHELDON, Jane RESIGNED | Director | 01 Aug 2003 | 30 Sep 2007 | | September 1960 | Eaton Cottage 310 Kings Road, Kingston Upon Thames, Surrey, KT2 5JL |
| SNEDDON, Stephen RESIGNED | Director | 15 Nov 1995 | 05 Jan 1996 | | June 1964 | 30 Glenbervie Court Glenbervie Road, Grangemouth, Stirlingshire, FK3 9LF |
| SPEIRS, John Garrett RESIGNED | Director | | 22 Mar 2002 | England | June 1937 | 20 Dunstall Road, Wimbledon, London, SW20 0HR |
| STENHAGEN, Anders RESIGNED | Director | 23 Apr 2012 | 23 Aug 2013 | Norway | April 1972 | Norton Rose, 3 More London Riverside, London, SE1 2AQ |
| STITT, Roy RESIGNED | Director | 20 Nov 2007 | 23 Feb 2018 | United Kingdom | April 1957 | 67 Middleham Close, Urpeth Grange Ouston, Chester Le Street, County Durham, DH2 1TB |
| ULLRICH, Martin RESIGNED | Director | 18 Apr 2005 | 13 Apr 2007 | | February 1947 | 103 Merchants Quay, East Street, Leeds, West Yorkshire, LS9 8BB |
| URQUHART, Sheridon Lee RESIGNED | Director | 04 Dec 2014 | 13 Feb 2020 | United Kingdom | March 1952 | Nithsdale View, St. Marys Street, Sanquhar, Dumfriesshire, DG4 6BW, United Kingdom |
| WILLIAMS, David Stanley RESIGNED | Director | | 10 Nov 1995 | England | February 1955 | 2 Ashwood Place, Bean, Dartford, Kent, DA2 8BD |
| WINSPER, David William RESIGNED | Director | 22 Oct 2007 | 23 Aug 2013 | United Kingdom | July 1960 | 17 Farway Gardens, Codsall, West Midlands, WV8 2QA |
| WONG, Joyce Mei Fong RESIGNED | Director | 08 Apr 2005 | 18 Apr 2005 | | July 1965 | Burlington Lodge, 1a Burlington Road, Chiswick London, W4 4BQ |
| WONG, Joyce Mei Fong RESIGNED | Director | 23 Feb 2001 | 01 Jul 2004 | | July 1965 | Burlington Lodge, 1a Burlington Road, Chiswick London, W4 4BQ |
| WOOD, Patrick Lester RESIGNED | Director | 05 Oct 2004 | 29 Jul 2005 | | January 1944 | 32 Blackstitch Lane, Webheath, Redditch, B97 5TQ |