Experience has shown us that you should find most, if not all, the information you need about BT on this corporate web site. It has a wealth of corporate information about BT Group plc, including historical information about BT and the telecommunications industry.
Browse the A-Z of commonly requested information which may help you find what you are looking for quickly. Also, use the Search facility located in the navigation above. This is full-text retrieval and also has helpful links to suggest pages you can look at in response to your enquiry.
Connected Earth - a wealth of historical and up-to-date information on how communication shapes the world.
bt.com - a wealth of information about BT's Products & Services.
BT Global Services - BT's activities outside the UK.