| OAKWOOD CORPORATE SECRETARY LIMITED ACTIVE | Secretary | 01 Nov 2009 | | | | 3rd, Floor 1 Ashley Road, Altrincham, Cheshire, WA14 2DT |
| AHMED, Syed Waqas ACTIVE | Director | 23 Mar 2020 | | United Kingdom | November 1979 | 3rd Floor, 1 Ashley Road, Altrincham, Cheshire, WA14 2DT, United Kingdom |
| CAMERON, Euan Daney Ross ACTIVE | Director | 31 Oct 2018 | | United Kingdom | March 1976 | 3rd Floor, 1 Ashley Road, Altrincham, Cheshire, WA14 2DT, United Kingdom |
| GREEN, Georgina Adams ACTIVE | Director | 18 Apr 2024 | | United Kingdom | March 1970 | 102, Fountain Crescent, Paisley, Renfrewshire, PA4 9RE, United Kingdom |
| SMITH, Anthony Hugh ACTIVE | Director | 12 Nov 2018 | | United States | May 1962 | 3rd Floor, 1 Ashley Road, Altrincham, Cheshire, WA14 2DT, United Kingdom |
| STARR, Alison Jane ACTIVE | Director | 18 Apr 2024 | | United Kingdom | January 1977 | C/O Ppd Global Limited, Granta Park, Great Abington, Cambridge, CB21 6GQ, United Kingdom |
| ANDERSON, Robb Kenlee RESIGNED | Secretary | 25 Feb 2000 | 16 Apr 2004 | | | 9410 Roanoak Drive, Rockford, Illinois 61107, Usa |
| GREGG, Rhona RESIGNED | Secretary | 10 Sep 2015 | 31 Mar 2026 | | | 3rd Floor, 1 Ashley Road, Altrincham, Cheshire, WA14 2DT, United Kingdom |
| WARD, Nicola Jane RESIGNED | Secretary | 08 Feb 2007 | 18 Dec 2014 | | | Solaar House, 19 Mercers Row, Cambridge, CB5 8BZ, England |
| WARRINER, Vera Maria RESIGNED | Secretary | | 25 Feb 2000 | | | Waters Edge, Skips Lane, Christleton, Cheshire, CH3 7BE |
| A G SECRETARIAL LIMITED RESIGNED | Secretary | 01 Feb 2007 | 31 Oct 2009 | | | 100 Barbirolli Square, Manchester, M2 3AB |
| DEBEVOISE & PLIMPTON SERVICES LTD RESIGNED | Secretary | 16 Apr 2004 | 08 Feb 2007 | | | 14th Floor, Tower 42, Old Broad Street, London, EC2N 1HQ |
| COLEY, James Robert Ewen RESIGNED | Director | 09 Nov 2006 | 18 Apr 2012 | United Kingdom | August 1960 | Solaar House, 19 Mercers Row, Cambridge, CB5 8BZ, United Kingdom |
| DELLAPA, John Anthony RESIGNED | Director | 16 Apr 2004 | 18 Aug 2006 | | July 1961 | 53 Emerson Road, Winchester, 01890 Massachussetts, Usa |
| DUCHENE, Todd Michael RESIGNED | Director | 16 Apr 2004 | 11 May 2005 | | June 1963 | 11 Hunter Drive, Hampton Nh, Rockingham 03842, Usa |
| GRANT, Lucie Mary Katja RESIGNED | Director | 07 Feb 2013 | 03 Dec 2019 | United Kingdom | July 1976 | 3rd Floor, 1 Ashley Road, Altrincham, Cheshire, WA14 2DT, England |
| INCE, Nicholas RESIGNED | Director | 10 Sep 2015 | 31 Oct 2018 | United Kingdom | December 1982 | 3rd Floor, 1 Ashley Road, Altrincham, Cheshire, WA14 2DT, United Kingdom |
| MCCONNELL, Sarah Hlavinka RESIGNED | Director | 12 Dec 2005 | 09 Nov 2006 | | August 1964 | Fisher Scientific, Bishop Meadow Road, Loughborough, Leicestershire, LE11 5RG, U |
| MEHTA, Chetan Praful RESIGNED | Director | 18 Aug 2006 | 09 Nov 2006 | | January 1969 | Unit 2, Lower Meadow Road, Brooke Park, Handforth, Wilmslow, Cheshire, SK9 3LP |
| MOODIE, Iain Alasdair Keith RESIGNED | Director | 18 Apr 2012 | 07 Feb 2013 | England | March 1967 | Solaar House, 19 Mercers Row, Cambridge, CB5 8BZ, United Kingdom |
| NORMAN, David John RESIGNED | Director | 16 Nov 2015 | 18 Apr 2024 | United Kingdom | December 1960 | 3rd Floor, 1 Ashley Road, Altrincham, Cheshire, WA14 2DT, United Kingdom |
| ROELLIG, Mark Douglas RESIGNED | Director | 11 May 2005 | 12 Dec 2005 | | June 1955 | 10936 Pine Drive, Parker, Co80138, Usa |
| STRIJBOS, Marcus Ludivicus Maria RESIGNED | Director | 25 Feb 2000 | 16 Apr 2004 | | September 1960 | 16 Rue Victor Lefevre, Bussels Be1030, Belgium, FOREIGN |
| WARRINER, Geoffrey John RESIGNED | Director | 06 Apr 1999 | 25 Feb 2000 | England | September 1936 | Waters Edge, Skips Lane, Christleton, Chester, Cheshire, CH3 7BE |
| WARRINER, Geoffrey John RESIGNED | Director | | 07 Feb 1997 | England | September 1936 | Waters Edge, Skips Lane, Christleton, Chester, Cheshire, CH3 7BE |
| WARRINER, Timothy John RESIGNED | Director | 08 Feb 1997 | 25 Feb 2000 | | June 1966 | Wynton Quarry Bank, Utkinton, Tarporley, Cheshire, CW6 0LR |
| WARRINER, Vera Maria RESIGNED | Director | | 25 Feb 2000 | | January 1939 | Waters Edge, Skips Lane, Christleton, Cheshire, CH3 7BE |
| WHEELER, Kevin Neil RESIGNED | Director | 18 Apr 2007 | 16 Nov 2015 | United Kingdom | December 1958 | 3rd Floor, 1 Ashley Road, Altrincham, Cheshire, WA14 2DT, England |
| WHITE, Sylvia RESIGNED | Director | 09 Nov 2006 | 01 Oct 2007 | United Kingdom | March 1972 | Thermo Fisher Scientific, Langhurstwood Road, Horsham, West Sussex, RH12 4QD |
| WRIGHT, Katie Rose RESIGNED | Director | 01 Dec 2010 | 04 Sep 2015 | United Kingdom | July 1982 | 3rd Floor, 1 Ashley Road, Altrincham, Cheshire, WA14 2DT, England |