A whistleblower has given HM Revenue & Customs details of every British client of HSBC in Jersey, according to The Telegraph.
The details included names, addresses and account balances of more than 4,000 people based in Britain who had bank accounts at HSBC in Jersey, and was given secretly to HMRC earlier this week, the newspaper said.
A drug dealer, three bankers facing fraud allegations, and a man possessing more than 300 weapons at his house, are among the HSBC Jersey account holders, the newspaper claimed. The list also included several celebrities and other well-known figures.
The newspaper said that the list identified 4,388 people holding £699 million in offshore current accounts and they are also likely to have billions of pounds more in investment schemes.