1971 - British Nuclear Fuels Limited from demerger of the production division of the UK Atomic Energy Authority (UKAEA);

1984 - BNFL became a public limited company as British Nuclear Fuels plc, wholly owned by the UK government;

2005 - company reorganised. British Nuclear Fuels plc renamed British Nuclear Group Sellafield Ltd. New holding company established, adopted British Nuclear Fuels plc name.