| PRISM COSEC LIMITED ACTIVE | Secretary | 31 Aug 2021 | | | | Highdown House, Yeoman Way, Worthing, West Sussex, BN99 3HH, United Kingdom |
| BERNAT, Juan Manuel Caro ACTIVE | Director | 30 Apr 2026 | | United Kingdom | June 1975 | Highdown House, Yeoman Way, Worthing, West Sussex, BN99 3HH, United Kingdom |
| DE ALBUQUERQUE, Thomas Peter ACTIVE | Director | 17 Jun 2021 | | United Kingdom | June 1980 | Highdown House, Yeoman Way, Worthing, West Sussex, BN99 3HH, United Kingdom |
| BRAMWELL, Philip Nicholas RESIGNED | Secretary | 31 Aug 2001 | 31 Oct 2006 | | | 5 Castle Road, Weybridge, Surrey, KT13 9QP |
| HARWOOD, Robert John RESIGNED | Secretary | 31 Oct 2006 | 07 Jul 2016 | | | 260, Bath Road, Slough, Berkshire, SL1 4DX, England |
| PRIOR, Stephen John RESIGNED | Secretary | 30 Mar 2001 | 31 Aug 2001 | | | 16a Haygarth Place, High Street Wimbledon, London, SW19 5BX |
| O2 SECRETARIES LIMITED RESIGNED | Secretary | 07 Jul 2016 | 17 Jun 2021 | | | 260, Bath Road, Slough, Berkshire, SL1 4DX, United Kingdom |
| ARCULUS, Thomas David Guy, Sir RESIGNED | Director | 01 Apr 2003 | 21 Mar 2007 | United Kingdom | June 1946 | Telefonica O2 Europe, Wellington Street, Slough, Berks, SL1 1YP |
| BLAND, Francis Christopher Buchan RESIGNED | Director | 16 Nov 2001 | 19 Nov 2001 | | May 1938 | 10 Catherine Place, London, SW1E 6HF |
| BONFIELD, Peter Leahy, Sir RESIGNED | Director | 16 Nov 2001 | 19 Nov 2001 | England | June 1944 | Truchas House, Towpath, Shepperton, Middlesex, TW17 9LL |
| CAMPBELL, Justine RESIGNED | Director | 13 Apr 2007 | 29 Dec 2008 | | August 1970 | 12 Connaught Avenue, London, SW14 7RH |
| CHANCE, David Christopher RESIGNED | Director | 21 Jan 2003 | 23 Jan 2006 | United Kingdom | April 1957 | "Parkfield", Barge Walk, Hampton Wick, Surrey, KT1 4AB |
| COBIAN, Patricia RESIGNED | Director | 29 Mar 2018 | 17 Jun 2021 | United Kingdom | February 1975 | 260, Bath Road, Slough, Berkshire, SL1 4DX, England |
| CRICHTON, Graham RESIGNED | Director | 01 Oct 2015 | 01 Aug 2016 | United Kingdom | June 1981 | 260, Bath Road, Slough, Berkshire, SL1 4DX, United Kingdom |
| ERSKINE, Peter Anthony RESIGNED | Director | 31 Aug 2001 | 31 Dec 2007 | | November 1951 | Belvedere, Rotherfield Road, Henley On Thames, Oxfordshire, RG9 1NR |
| EVANS, Mark RESIGNED | Director | 29 Mar 2018 | 17 Jun 2021 | United Kingdom | February 1969 | 260, Bath Road, Slough, Berkshire, SL1 4DX, England |
| FINCH, David James RESIGNED | Director | 19 Nov 2001 | 30 Apr 2007 | United Kingdom | May 1956 | 59 Ridgway Place, London, SW19 4SP |
| FINCH, David James RESIGNED | Director | 31 Aug 2001 | 16 Nov 2001 | United Kingdom | May 1956 | 59 Ridgway Place, London, SW19 4SP |
| FISHER, Jeffery William RESIGNED | Director | 30 Mar 2001 | 31 Aug 2001 | | March 1949 | 65 Hayes Chase, West Wickham, Kent, BR4 0HX |
| GROEGER, Rudolf RESIGNED | Director | 01 Apr 2003 | 20 Apr 2007 | | October 1954 | Eichhoernchenweg 8, D-85598, Baldham, Germany |
| HAMPTON, Philip Roy RESIGNED | Director | 16 Nov 2001 | 19 Nov 2001 | | October 1953 | Blakeney, Pennymead Rise, East Horsley, Leatherhead, Surrey, KT24 5AL |
| HARDMAN, Mark David RESIGNED | Director | 01 Aug 2016 | 29 Mar 2018 | United Kingdom | April 1975 | 260, Bath Road, Slough, Berkshire, SL1 4DX, United Kingdom |
| HARWOOD, Robert John RESIGNED | Director | 31 Dec 2007 | 29 Mar 2018 | United Kingdom | March 1960 | 260, Bath Road, Slough, Berkshire, SL1 4DX, England |
| HODGE, Stephen Murley Garfield RESIGNED | Director | 19 Nov 2001 | 23 Jan 2006 | United Kingdom | March 1942 | 12 Highgate Close, London, N6 4SD |
| HODGE, Stephen Murley Garfield RESIGNED | Director | 01 Oct 2001 | 16 Nov 2001 | United Kingdom | March 1942 | 12 Highgate Close, London, N6 4SD |
| JARVIS, Katherine Ann RESIGNED | Director | 31 Dec 2008 | 17 Nov 2011 | England | September 1967 | 260, Bath Road, Slough, Berkshire, SL1 4DX, England |
| KROES, Neelie RESIGNED | Director | 19 Nov 2001 | 31 Aug 2004 | | July 1941 | Van Bronckhorstlaan 20, Wassenaar 2242 Pz, The Netherlands |
| KROES, Neelie RESIGNED | Director | 31 Aug 2001 | 16 Nov 2001 | | July 1941 | Van Bronckhorstlaan 20, Wassenaar 2242 Pz, The Netherlands |
| LOPEZ ALVAREZ, Maria Pilar RESIGNED | Director | 01 Oct 2011 | 09 Jul 2014 | Spain | June 1970 | 260, Bath Road, Slough, Berkshire, SL1 4DX, United Kingdom |
| LOPEZ ALVAREZ, Maria Pilar RESIGNED | Director | 12 Mar 2007 | 31 Jul 2011 | United Kingdom | June 1970 | Wellington, Street, Slough, Berkshire, SL1 1YP, United Kingdom |
| LUPO, Patrick Lawrence RESIGNED | Director | 10 Aug 2004 | 23 Jan 2006 | | March 1951 | Glen Lodge, Old Avenue, Weybridge, Surrey, KT13 0QA |
| MARTI CIRUELOS, Antonio RESIGNED | Director | 01 Aug 2011 | 01 Oct 2011 | United Kingdom | January 1962 | 260, Bath Road, Slough, Berkshire, SL1 4DX, United Kingdom |
| MARTINEZ MASIDE, Guillermo RESIGNED | Director | 17 Jun 2021 | 30 Apr 2026 | United Kingdom | June 1969 | Highdown House, Yeoman Way, Worthing, West Sussex, BN99 3HH, United Kingdom |
| MCBREEN, Robert Anthony RESIGNED | Director | 01 Dec 2014 | 30 Sep 2015 | United Kingdom | August 1976 | 260, Bath Road, Slough, Berkshire, SL1 4DX, United Kingdom |
| MCGLADE, David Paul RESIGNED | Director | 01 Apr 2003 | 31 Mar 2005 | | December 1960 | Penthouse Athena Court, 2 Finchley Road, London, NW8 6DP |
| MEAKINS, Ian Keith RESIGNED | Director | 20 Dec 2001 | 30 Mar 2005 | United Kingdom | August 1956 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| MEDINA MALO, Enrique RESIGNED | Director | 17 Nov 2011 | 30 Sep 2016 | United Kingdom | April 1972 | 260, Bath Road, Slough, Berkshire, SL1 4DX, United Kingdom |
| MELCON SANCHEZ-FRIERA, David RESIGNED | Director | 31 Jul 2008 | 07 Sep 2012 | Uk | August 1970 | Wellington, Street, Slough, Berkshire, SL1 1YP, United Kingdom |
| MULLAN, Matthew James RESIGNED | Director | 13 Mar 2008 | 31 Jul 2008 | United Kingdom | July 1970 | 39, Castellain Mansions, Castellain Road, London, W9 1HE, United Kingdom |
| MYNERS, Paul RESIGNED | Director | 19 Nov 2001 | 10 Aug 2004 | | April 1948 | 23 Royal Avenue, Chelsea, London, SW3 4QE |
| MYNERS, Paul RESIGNED | Director | 31 Aug 2001 | 16 Nov 2001 | | April 1948 | 34 Groom Place, Belgravia, London, SW1X 7BA |
| PEREZ DE URIGUEN MUINELO, Francisco Jesus RESIGNED | Director | 23 Aug 2012 | 01 Dec 2014 | United Kingdom | August 1970 | 260, Bath Road, Slough, Berkshire, SL1 4DX, United Kingdom |
| PRIOR, Stephen John RESIGNED | Director | 30 Mar 2001 | 31 Aug 2001 | | March 1953 | 16a Haygarth Place, High Street Wimbledon, London, SW19 5BX |
| SMITH, Edward Augustus RESIGNED | Director | 17 Nov 2011 | 31 Aug 2012 | United Kingdom | April 1971 | 260, Bath Road, Slough, Berkshire, SL1 4DX, United Kingdom |
| SUKAWATY, Andrew John RESIGNED | Director | 19 Nov 2001 | 20 Apr 2007 | Usa | June 1955 | 23 Rossetti House, 59 Ordnance Hill, London, NW8 6QF |
| SUKAWATY, Andrew John RESIGNED | Director | 31 Aug 2001 | 16 Nov 2001 | Usa | June 1955 | 23 Rossetti House, 59 Ordnance Hill, London, NW8 6QF |
| THEXTON, Kent Paul RESIGNED | Director | 01 Apr 2003 | 04 Feb 2004 | | April 1963 | 11 Oakdene, Beaconsfield, Buckinghamshire, HP9 2BZ |
| VARNEY, David Robert RESIGNED | Director | 31 Aug 2001 | 28 Jul 2004 | | May 1946 | River Thatch The Abbotsbrook, Bourne End, Buckinghamshire, SL8 5QU |