BT Group plc is a British Telecommunications company holding headquarters in London, England. Its function is to provide fixed-line, broadcast, and mobile services in the UK. BT Group is operating in almost 180 countries and is the largest provider of subscription television and IT services.Its telecom services are supplied to corporate and government customers and it has extensive reach globally. The transmission BT Group holds consists of football games, a 4K television system, and also live broadcasts. It also establishes a 10-story building at 81 Newgate Street in the City of London and has contributed to 6,700 dealing properties.