Where is BT Group headquarters? Where is BT Group headquartered? What kind of company is BT Group? What is the difference between BT and BT Group? What is BT used for? What does BT stand for? What does BT stand for in a company? What does BT mean in an email? What do BT Email addresses look like? What companies are in the BT Group? Is BT losing customers? Is BT laying off employees? Is BT in financial trouble? Is BT Group in debt? Is BT Group a good company? Is BT an ethical company? Is BT an American company? Is BT a good stock to buy now? How much does the CEO of BT earn? How much do BT workers get paid? How many employees are at BT Group? Has BT Email been hacked? Did BT get bought out?