| CLAY, James ACTIVE | Director | 14 Oct 2024 | | England | April 1980 | Socotec House, Bretby Business Park, Ashby Road, Bretby, Burton Upon Trent, DE15 0YZ, England |
| GOODWIN, Jason Richard ACTIVE | Director | 24 Mar 2020 | | England | September 1974 | Socotec House, Bretby Business Park, Ashby Road, Bretby, Burton Upon Trent, DE15 0YZ, England |
| GOUGH, David ACTIVE | Director | 06 Oct 2021 | | England | July 1968 | Socotec House, Bretby Business Park, Ashby Road, Bretby, Burton Upon Trent, DE15 0YZ, England |
| HARPER, Nicholas ACTIVE | Director | 06 Oct 2021 | | England | January 1969 | Socotec House, Bretby Business Park, Ashby Road, Bretby, Burton Upon Trent, DE15 0YZ, England |
| HILDICK-SMITH, Richard Anthony ACTIVE | Director | 14 Oct 2024 | | England | November 1986 | Socotec House, Bretby Business Park, Ashby Road, Bretby, Burton Upon Trent, DE15 0YZ, England |
| HOLLING, Isabell ACTIVE | Director | 01 Jun 2026 | | United Kingdom | July 1986 | Socotec House, Bretby Business Park, Ashby Road, Bretby, Burton Upon Trent, DE15 0YZ, England |
| MARRIOTT, Matthew Giles Thomas ACTIVE | Director | 14 Oct 2024 | | England | August 1971 | Socotec House, Bretby Business Park, Ashby Road, Bretby, Burton Upon Trent, DE15 0YZ, England |
| CAVE, Paul RESIGNED | Secretary | 27 Apr 2006 | 31 Jul 2009 | | | 14 Little Pittern, Kineton, Warwickshire, CV35 0LU |
| ELLSON, Hilary Myra RESIGNED | Secretary | 01 Sep 1999 | 09 Nov 2005 | | | 38 All Saints Close, Glebe Park, Wokingham, Berkshire, RG40 1WE |
| GARRETT, George Martin RESIGNED | Secretary | 24 Mar 1994 | 26 May 1994 | | | 42 Whellock Road, London, W4 1DZ |
| HANDLEY, Peter RESIGNED | Secretary | 31 Oct 1994 | 22 Dec 1994 | | | 18 The Meadows, Westwoodside, Doncaster, South Yorkshire, DN9 2HA |
| KRISTIANSEN, Lars RESIGNED | Secretary | 05 Oct 2021 | 31 Jan 2023 | | | Socotec House, Bretby Business Park, Ashby Road, Bretby, Burton Upon Trent, DE15 0YZ, England |
| LOUDEN, Nicholas William RESIGNED | Secretary | 31 Jul 2009 | 28 Jun 2013 | | | Esg House, Bretby Business Park, Ashby Road, Bretby, Burton-On-Trent, DE15 0YZ |
| PEARCE, John Harold RESIGNED | Secretary | 11 Jan 1996 | 01 Sep 1999 | | | 24 Tawfield, Bracknell, Berkshire, RG12 8YU |
| WOOD, Alistair Nicholas RESIGNED | Secretary | 26 May 1994 | 31 Oct 1994 | | | 19 Alton Way, Ashby De La Zouch, Leicestershire, LE65 1ER |
| E P S SECRETARIES LIMITED RESIGNED | Nominee Secretary | 14 Dec 1993 | 24 Mar 1994 | | | 50 Stratton Street, London, W1X 6NX |
| MOWLEM SECRETARIAT LIMITED RESIGNED | Secretary | 09 Nov 2005 | 27 Apr 2006 | | | White Lion Court, Swan Street, Isleworth, Middlesex, TW7 6RN |
| MOWLEM SECRETARIAT LIMITED RESIGNED | Secretary | 22 Dec 1994 | 11 Jan 1996 | | | White Lion Court, Swan Street, Isleworth, Middlesex, TW7 6RN |
| BALL, Philip John Henry RESIGNED | Director | 01 Jan 2013 | 24 Feb 2023 | United Kingdom | August 1959 | Socotec House, Bretby Business Park, Ashby Road, Bretby, Burton Upon Trent, DE15 0YZ, England |
| BOLTER, Andrew Christopher RESIGNED | Director | 22 Apr 2014 | 17 Apr 2020 | United Kingdom | December 1970 | Socotec House, Bretby Business Park, Ashby Road, Bretby, Burton Upon Trent, DE15 0YZ, England |
| BROWN, Gerald Thornton RESIGNED | Director | 22 Dec 1994 | 31 May 2005 | England | July 1950 | 35 The Conifers, Pine Ridge New Wokingham Road, Crowthorne, Berkshire, RG45 6TG |
| CAVE, Paul RESIGNED | Director | 17 Nov 2006 | 31 Jul 2009 | United Kingdom | January 1957 | 14 Little Pittern, Kineton, Warwickshire, CV35 0LU |
| CLAY, David William RESIGNED | Director | 22 Mar 2002 | 31 Dec 2012 | England | August 1950 | 20 High Street, Linton, Swadlincote, Derbyshire, DE12 6QL |
| COEN, Daniel John RESIGNED | Director | 16 Jan 2020 | 31 Oct 2023 | England | October 1973 | Socotec House, Bretby Business Park, Ashby Road, Burton Upon Trent, DE15 0YZ, England |
| DETCHEPARE, Nicolas Louis RESIGNED | Director | 29 Mar 2021 | 14 Oct 2024 | England | December 1979 | Socotec House, Bretby Business Park, Ashby Road, Bretby, Burton Upon Trent, DE15 0YZ, England |
| GAINS, Sir John Christopher RESIGNED | Director | 22 Dec 1994 | 22 Apr 2005 | | April 1945 | Longridge, Farm Lane,East Markham, Newark, Nottinghamshire, NG22 0QH |
| GARRETT, George Martin RESIGNED | Director | 24 Mar 1994 | 22 Dec 1994 | | September 1952 | 42 Whellock Road, London, W4 1DZ |
| HAMMOND, Sarah Louise RESIGNED | Director | 03 Jul 2012 | 25 Jul 2017 | United Kingdom | June 1979 | Esg House, Bretby Business Park, Ashby Road, Bretby, Burton-On-Trent, DE15 0YZ |
| HASTIE, Robin Barry RESIGNED | Director | 01 May 2010 | 28 Jan 2014 | United Kingdom | December 1964 | Esg House, Bretby Business Park, Ashby Road, Burton Upon Trent, Staffordshire, DE15 0XD |
| JENKINS, Robert David RESIGNED | Director | 11 Jan 1996 | 31 Mar 2002 | United Kingdom | June 1953 | 6 Margaret Close, Harbury, Warwickshire, CV33 9JB |
| LOUDEN, Nicholas William RESIGNED | Director | 26 Mar 2009 | 28 Jun 2013 | Wales | May 1969 | Esg House, Bretby Business Park, Ashby Road, Bretby, Burton-On-Trent, DE15 0YZ |
| LYNAS, Stephen Charles RESIGNED | Director | 03 Jul 2012 | 31 Oct 2013 | England | November 1963 | Esg House, Bretby Business Park, Ashby Road, Bretby, Burton-On-Trent, DE15 0YZ |
| MACFARLANE, James RESIGNED | Director | 16 Jan 2020 | 30 Apr 2022 | England | March 1970 | Socotec House, Bretby Business Park, Ashby Road, Burton Upon Trent, DE15 0YZ, England |
| MAINWARING, Paul Richard RESIGNED | Director | 31 May 2005 | 27 Apr 2006 | England | July 1963 | 7 Woodlands Park, Merrow, Guildford, Surrey, GU1 2TH |
| MCBRIDE, Richard Anthony RESIGNED | Director | 12 Feb 2008 | 03 Sep 2010 | Uk | December 1965 | 10 Buckingham Street, London, WC2N 6DF |
| MCNAMARA, Michael RESIGNED | Director | 26 May 1994 | 22 Dec 1994 | England | December 1946 | The Old Coach House Burgage, Southwell, Nottinghamshire, NG25 0EP |
| MOORE, Arthur Harold RESIGNED | Director | 21 Jun 2002 | 27 Apr 2006 | England | March 1951 | 9 Hartswood Road, London, W12 9NQ |
| MURPHY, James Robert RESIGNED | Director | 01 May 2014 | 16 Jan 2020 | United Kingdom | February 1958 | Socotec House, Bretby Business Park, Ashby Road, Bretby, Burton Upon Trent, DE15 0YZ, England |
| POLLARD, Martin Lewis RESIGNED | Director | 24 Mar 1994 | 26 May 1994 | United Kingdom | May 1956 | 28 Stokenchurch Place, Bradwell Common, Milton Keynes, Buckinghamshire, MK13 8AT |
| SCARROW, John Arthur RESIGNED | Director | 22 Dec 1994 | 29 Jul 2003 | | April 1944 | Bridge House, Kirk Lane Sykehouse, Goole, North Humberside, DN14 9AN |
| SLEETH, Alexander RESIGNED | Director | 23 Mar 2009 | 29 Jun 2013 | Uk | April 1967 | 25 Wychwood Park, Weston, Cheshire, CW2 5GP |
| SLEETH, Norman RESIGNED | Director | 01 May 2010 | 30 Jun 2021 | United Kingdom | November 1968 | Esg House, Bretby Business Park Ashby Road, Burton On Trent, Staffordshire, DE15 0XD |
| SPARKS, Ian Austin RESIGNED | Director | 03 Jul 2013 | 31 Mar 2021 | United Kingdom | July 1961 | Socotec House, Bretby Business Park, Ashby Road, Bretby, Burton Upon Trent, DE15 0YZ, England |
| STEPHENSON, David John RESIGNED | Director | 01 Jan 1995 | 30 Jun 2000 | | May 1945 | 26 Sutherland Drive, Newcastle, Staffordshire, ST5 3NB |
| STEPHENSON, David John RESIGNED | Director | 26 May 1994 | 22 Dec 1994 | | May 1945 | 26 Sutherland Drive, Newcastle, Staffordshire, ST5 3NB |
| SWALES, Jonathan Mark RESIGNED | Director | 06 Jun 2002 | 26 May 2006 | England | December 1960 | 69 Pannal Ash Road, Harrogate, North Yorkshire, HG2 9AA |
| WALLIS, Christopher RESIGNED | Director | 12 Mar 2021 | 31 Oct 2021 | England | April 1967 | Socotec House, Bretby Business Park, Ashby Road, Bretby, Burton Upon Trent, DE15 0YZ, England |
| WALTERS, Nicholas John Cordeaux RESIGNED | Director | 28 Jun 2013 | 14 Jul 2014 | United Kingdom | January 1958 | Esg House, Bretby Business Park, Ashby Road, Bretby, Burton-On-Trent, DE15 0YZ |
| WARDLE, Alan John RESIGNED | Director | 26 May 1994 | 22 Dec 1994 | | October 1939 | Hunters Moon, Coxmoor Road, Sutton In Ashfield, Nottinghamshire, NG17 5LF |
| WARLOW, David RESIGNED | Director | 03 Nov 1999 | 28 Jul 2003 | England | February 1961 | 23 Butterworth Drive, Coventry, West Midlands, CV4 8JL |
| WATSON, David George RESIGNED | Director | 01 May 2010 | 11 May 2012 | United Kingdom | July 1967 | Esg House, Bretby Business Park, Ashby Road, Burton Upon Trent, Staffordshire, DE15 0XD |
| WATTS, Mark Irvine John RESIGNED | Director | 27 Apr 2006 | 12 Feb 2007 | United Kingdom | January 1974 | 39 Sheriden Buildings, Martlett Court Covent Gardens, London, WC2B 5SD |
| WESTON, Mandy RESIGNED | Director | 26 Mar 2009 | 10 Aug 2012 | Wales | August 1965 | 22 Nant Twyn Harris, Ystrad Mynach, Hengoed, Mid Glamorgan, CF82 7DG |
| MIKJON LIMITED RESIGNED | Nominee Director | 14 Dec 1993 | 24 Mar 1994 | | | 50 Stratton Street, London, W1X 5FL |
| MOWLEM MANAGEMENT LIMITED RESIGNED | Director | 31 May 2005 | 27 Apr 2006 | | | White Lion Court, Swan Street, Isleworth, Middlesex, TW7 6RN |