| SEMPERIAN GROUP SECRETARIAT SERVICES LIMITED ACTIVE | Secretary | 01 Jul 2012 | | | | Ninth Floor, One Redcliff Street, Bristol, BS1 6NP, United Kingdom |
| SHEIKH, Mark Amer ACTIVE | Director | 06 Oct 2021 | | United Kingdom | June 1968 | Sheffield City Council, Town Hall, Pinstone Street, Sheffield, S1 2HH, United Kingdom |
| THORNE, Alexander Victor ACTIVE | Director | 07 Dec 2020 | | United Kingdom | March 1989 | Infrared Capital Partners Limited, Level 7, One Bartholomew Close, Barts Square, London, EC1A 7BL, United Kingdom |
| WOODBURN, Neil Andrew ACTIVE | Director | 31 May 2024 | | England | April 1979 | Ninth Floor, One Redcliff Street, Bristol, BS1 6NP, United Kingdom |
| DUCK, Andrew Neil RESIGNED | Secretary | 01 Jan 2011 | 01 Jul 2012 | | | Floor 1c, 11-14 Hanover Place, Covent Garden, London, WC2E 9JP, United Kingdom |
| JENKINSON, Louisa Jane RESIGNED | Secretary | 19 Feb 2007 | 16 Jun 2008 | | | Lindenwood, Malacca Farm, West Clandon, GU4 7UG, Surrey |
| MILLER, Philip RESIGNED | Secretary | 16 Jun 2008 | 19 Oct 2009 | | | 87, Sutton Court, Fauconberg Road, London, W4 3JF |
| OWEN, Stephen RESIGNED | Secretary | 19 Oct 2009 | 31 Dec 2010 | | | 11, Clayton Croft Road, Wilmington, Kent, DA2 7AU, United Kingdom |
| THE COMPANY REGISTRATION AGENTS LIMITED RESIGNED | Nominee Secretary | 06 Feb 2007 | 19 Feb 2007 | | | 280, Gray's Inn Road, London, WC1X 8EB |
| BANNISTER, Paul Alan RESIGNED | Director | 19 Feb 2007 | 08 Oct 2007 | United Kingdom | July 1959 | 11 Sorrel Close, Wokingham, Berkshire, RG40 5YA |
| BLANCHARD, David Graham RESIGNED | Director | 14 Sep 2012 | 28 Jun 2013 | England | November 1967 | Two London Bridge, London, SE1 9RA, United Kingdom |
| BLANCHARD, David Graham RESIGNED | Director | 23 Jan 2012 | 14 Sep 2012 | England | November 1967 | Amber, 2 London Bridge, London, SE1 9RA, United Kingdom |
| BONSALL, Margaret Ruth RESIGNED | Director | 19 Jan 2010 | 30 Jun 2011 | England | August 1956 | 33, Greycoat Street, London, SW1P 2QF, United Kingdom |
| CASHIN, Benjamin Matthew RESIGNED | Director | 19 Jan 2010 | 11 Aug 2011 | United Kingdom | September 1972 | 199, Dryden Road, Gateshead, Tyne & Wear, NE9 5DA, United Kingdom |
| CASHIN, Benjamin Matthew RESIGNED | Director | 11 Jul 2008 | 19 Jan 2010 | United Kingdom | September 1972 | 199, Dryden Road, Gateshead, Tyne And Wear, NE9 5DA |
| COOPER, Phillip John RESIGNED | Director | 17 Jul 2007 | 17 Oct 2011 | United Kingdom | February 1949 | 8, Canada Square, London, E14 5HQ, United Kingdom |
| DOYLE, John Anthony RESIGNED | Director | 01 Oct 2013 | 14 May 2021 | England | February 1961 | Floor 7, West Wing, Moorfoot Building, Moorfoot, Sheffield, S1 4PL, United Kingdom |
| ENGLISH, Nick Stuart RESIGNED | Director | 01 Sep 2011 | 01 Aug 2012 | United Kingdom | March 1960 | Two, London Bridge, London, SE1 9RA, England |
| FAVRE, Sarah Elisabeth Madeleine RESIGNED | Director | 02 Aug 2019 | 07 Dec 2020 | United Kingdom | August 1971 | Infrared Capital Partners Limited, 12 Charles Ii Street, London, SW1Y 4QU, United Kingdom |
| GOODRIDGE, Paul Andrew RESIGNED | Director | 08 Oct 2007 | 22 Apr 2013 | United Kingdom | November 1972 | 10 Hemlock Close, Hampden Hall New Dover Road, Aylesbury, Buckinghamshire, HP22 5WY |
| HANSON, Gerard Eugene RESIGNED | Director | 28 Jun 2013 | 19 Sep 2014 | England | May 1955 | Amber Infrastructure Ltd, Two London Bridge, London, England, SE1 9RA, England |
| HOLDEN, Mark Geoffrey David RESIGNED | Director | 04 Jul 2012 | 03 Jan 2023 | England | September 1957 | Level 7, One Bartholomew Close, Barts Square, London, EC1A 7BL, United Kingdom |
| HOLMESMITH, Simon John RESIGNED | Director | 09 Jul 2008 | 16 Mar 2010 | England | October 1957 | 76 Ashland Road, Sheffield, South Yorkshire, S7 1RJ |
| LINDSAY, David Boyd RESIGNED | Director | 17 Jul 2007 | 11 Jul 2008 | United Kingdom | February 1959 | 1 Currie Hill Close, Wimbledon, London, SW19 7DX |
| MCERLANE, Andrew John RESIGNED | Director | 03 Jan 2023 | 31 May 2024 | England | March 1988 | Infrared Capital Partners Limited, Level 7, One Bartholomew Close, Barts Square, London, EC1A 7BL, United Kingdom |
| MUCKLOW, Peter Carl RESIGNED | Director | 19 Apr 2010 | 12 Nov 2010 | England | August 1962 | 59, Pingle Road, Sheffield, England And Wales, S7 2LL, United Kingdom |
| PEAT, Mark Thomas Francis RESIGNED | Director | 17 Jul 2007 | 16 Mar 2010 | England | December 1962 | 25 Coningsby Road, Woodthorpe, Nottingham, Nottinghamshire, NG5 4LH |
| PERCIVAL, Andrew RESIGNED | Director | 16 Jan 2008 | 24 Jan 2014 | United Kingdom | February 1972 | 43 Chalfont Road, Seer Green, Beaconsfield, Buckinghamshire, HP9 2QP |
| PRENTICE, Alena RESIGNED | Director | 19 Apr 2010 | 01 Oct 2013 | United Kingdom | March 1967 | 186, Sandford Grove Road, Sheffield, England And Wales, S7 1RT, United Kingdom |
| QUAIFE, Geoffrey Alan RESIGNED | Director | 08 Oct 2007 | 12 Sep 2018 | United Kingdom | October 1955 | 12, Charles Ii Street, London, SW1Y 4QU, United Kingdom |
| RESTALL, George Henry RESIGNED | Director | 17 Jul 2007 | 16 Jan 2008 | | February 1970 | 37 Chessfield Park, Little Chalfont, Buckinghamshire, HP6 6RU |
| SHAH, Sinesh Ramesh RESIGNED | Director | 14 Sep 2012 | 22 Jul 2013 | United Kingdom | June 1977 | Two London Bridge, London, SE1 9RA, United Kingdom |
| SHEIKH, Amer Mark RESIGNED | Director | 01 Oct 2013 | 14 May 2021 | England | June 1968 | Floor 7, West Wing, Moorfoot Building, Moorfoot, Sheffield, England And Wales, S1 4PL, United Kingdom |
| SINCLAIR, Graham RESIGNED | Director | 12 Nov 2010 | 01 Oct 2013 | United Kingdom | October 1955 | Cyps, Floor 3, Moorfoot Building, Sheffield, S1 4PL, United Kingdom |
| SNOW, William Henry RESIGNED | Director | 14 Oct 2011 | 24 Jan 2014 | United Kingdom | December 1957 | Ibthorp, Kings Road, Berkhamsted, Hertfordshire, HP4 3BP |
| WADDINGTON, Adam George RESIGNED | Director | 01 Sep 2011 | 14 Sep 2012 | England | December 1974 | Two, London Bridge, London, SE1 9RA, England |
| WOODHAMS, Mark Richard RESIGNED | Director | 19 Feb 2007 | 08 Oct 2007 | United Kingdom | March 1966 | Bracken Hill, Maidstone Road, St Marys Platt, Sevenoaks, Kent, TN15 8JH |
| LUCIENE JAMES LIMITED RESIGNED | Nominee Director | 06 Feb 2007 | 19 Feb 2007 | | | 280 Grays Inn Road, London, WC1X 8EB |