| IPES (UK) LIMITED ACTIVE | Secretary | 01 Nov 2011 | | | | 9th Floor, No.1 Minster Court, Mincing Lane, London, EC3R 7AA, United Kingdom |
| FALLEN, Malcolm James ACTIVE | Director | 09 Sep 2009 | | United Kingdom | October 1959 | C/O Ernst, & Young Llp, 1 More London Place, London, SE1 2AF |
| MOBERLY, Andrew John RESIGNED | Secretary | 05 Mar 2007 | 25 Feb 2009 | | | 20 Old Bailey, London, EC4M 7LN |
| NEAL, Peter Richard RESIGNED | Secretary | | 30 Jun 2003 | | | 20 Old Bailey, London, EC4M 7LN |
| PEEL, Alistair Charles RESIGNED | Secretary | 30 Jun 2003 | 12 Jan 2007 | | | 73 Woburn Avenue, Theydon Bois, Essex, CM16 7JR |
| PRICE, Philip Ian RESIGNED | Secretary | 25 Feb 2009 | 01 Nov 2011 | | | 20, Old Bailey, London, EC4M 7LN, United Kingdom |
| TAN, Tian Siew RESIGNED | Secretary | 12 Jan 2007 | 05 Mar 2007 | | | 20 Old Bailey, London, EC4M 7LN |
| BROOKE, Christopher Roger Ettrick RESIGNED | Director | | 11 May 1999 | Uk | February 1931 | Watermeadow, Swarraton, Alresford, Hampshire, SO24 9TQ |
| BUFFIN, Colin John RESIGNED | Director | 09 Mar 1998 | 12 Dec 2002 | | October 1957 | 20 Old Bailey, London, EC4M 7LN |
| CURRAN, Stephen William RESIGNED | Director | | 06 Dec 2007 | United Kingdom | March 1943 | 21 Ovington Street, London, SW3 2JA |
| ELLIOTT, Graeme Arthur RESIGNED | Director | | 03 May 1994 | | August 1942 | Flat 2, 39 Elm Park Gardens, London, SW10 9QF |
| FAIRSERVICE, Gavin Douglas RESIGNED | Director | | 08 May 2006 | | April 1947 | Parr House 2 Wolsey Close, Wimbledon, London, SW20 0DD |
| GRIMSTONE, Gerald Edgar, Lord RESIGNED | Director | 06 Jul 1999 | 19 Apr 2011 | England | August 1949 | 20, Old Bailey, London, EC4M 7LN, United Kingdom |
| GUMIENNY, Marek Stefan RESIGNED | Director | 09 Mar 1998 | 12 Dec 2002 | United Kingdom | March 1959 | 20 Old Bailey, London, EC4M 7LN |
| HICHENS, Antony Peverell RESIGNED | Director | | 20 May 2010 | England | September 1936 | 20, Old Bailey, London, EC4M 7LN, United Kingdom |
| JAY, Michael Hastings, Lord RESIGNED | Director | 01 Jan 2008 | 31 Dec 2014 | United Kingdom | June 1946 | 34, Lime Street, London, EC3M 7AT, United Kingdom |
| JONES, Nicholas Michael Houssemayne RESIGNED | Director | 14 Apr 2008 | 20 May 2010 | England | October 1946 | 20, Old Bailey, London, EC4M 7LN, United Kingdom |
| KING, Richard Alfred Patrick RESIGNED | Director | | 11 May 1999 | | November 1934 | 96 Mount Street, London, W1 |
| LETHBRIDGE, Nicolas Anton RESIGNED | Director | 01 Jan 2003 | 16 Aug 2007 | United Kingdom | April 1949 | 20 Crooms Hill, Greenwich, London, SE10 8ER |
| LONGHURST, Scott Robert James RESIGNED | Director | 18 May 2011 | 19 Apr 2018 | United Kingdom | June 1967 | C/O Ernst, & Young Llp, 1 More London Place, London, SE1 2AF |
| OOSTERVELD, Jan Pieter RESIGNED | Director | 29 Oct 2008 | 23 May 2017 | Netherlands | March 1944 | 34, Lime Street, London, EC3M 7AT, United Kingdom |
| RAISMAN, John Michael RESIGNED | Director | | 14 May 1998 | | February 1929 | Netheravon House, Netheravon Road South, London, W4 2PY |
| RUSSELL, Christopher RESIGNED | Director | 12 May 2004 | 20 May 2010 | United Kingdom | January 1949 | 20, Old Bailey, London, EC4M 7LN, United Kingdom |
| SCOTT PLUMMER, Patrick Joseph RESIGNED | Director | | 14 May 2003 | United Kingdom | August 1943 | Mainhouse, Kelso, Roxburghshire, TD5 8AA |
| STONE, Richard Anthony RESIGNED | Director | 10 May 2005 | 23 May 2017 | England | March 1943 | 34, Lime Street, London, EC3M 7AT, United Kingdom |
| SYMONDS, Philip Gerard RESIGNED | Director | 06 May 1994 | 07 Jun 1994 | England | September 1951 | Boundary Cottage, Fen Pond Road Ightham, Sevenoaks, Kent, TN15 9JF |
| WEST, James Glynn RESIGNED | Director | | 14 May 2008 | England | April 1947 | Orchard House The Street, Eastling, Faversham, Kent, ME13 0AZ |
| WILSON, Derek Robert RESIGNED | Director | 25 Mar 1994 | 10 May 2005 | England | October 1944 | 2 Ethorpe House, Packhorse Road, Gerrards Cross, Buckinghamshire, SL9 8HS |
| WREFORD, Peter Graham RESIGNED | Director | | 03 May 1994 | | February 1918 | Winters Grace Stroud Lane, Shamley Green, Guildford, Surrey, GU5 0ST |