British mobile network operator, internet service provider and owner of former telephone operating companies T-Mobile and Orange. Gave evidence to the Inquiry on how the phones of the former companies could have been hacked.
Telecommunications services provider in UK, purchased by the Spanish multinational Telefónica in 2006, with headquarters based in Slough. With 25 million subscribers (as of December 2017), it is the second largest mobile network operator in the UK.
