BT

BT is owned by BT Group plc, headquartered in the United Kingdom. No. The ultimate owner of BT, BT Group plc, is headquartered in the United Kingdom, not in the United States.

BT Group plc is a British multinational telecommunications holding company that provides fixed-line, mobile, broadband, and digital television services. It is publicly traded on the London Stock Exchange.

British Telecommunications plc (wholly owned subsidiary)