44% of the large companies being investigated for underpayment of corporation taxes are controlled from overseas.
£11bn of the £25bn HM Revenue & Customs has identified as as tax revenues that could be at risk are foreign owned companies in the UK.
Jason Collins, head of tax at Pinsent Masons, said the figures show HMRC is taking a tougher stance than suggested by recent controversies over the amount of corporation tax paid by large companies
Find out more about underpaid tax from Accountancy Age.