HMRC won two tribunals and a court case against tax avoidance schemes last month that it said could have cost the Exchequer £200m.
The schemes involved capital gains tax, directors’ bonuses and tax relief on government bonds.
HMRC’s director general of business tax, Jim Harra, said: “These wins in the courts are a victory for the vast majority of taxpayers who do not try to dodge their taxes. They send a clear message to tax avoiders - HMRC will challenge tax avoidance relentlessly and we will beat you.”
Exchequer secretary to the Treasury David Gauke said that the HMRC legal victories were “very welcome” and showed that “if an avoidance scheme promises results that seem too good to be true, they probably are”.
The three tax cases were: