Read MoreUS tax policy a 'sin:' Jack Welch
This includes more than £8 billion from big businesses, £2.7 billion from courts tackling avoidance schemes, and £1 billion from criminals.
Celebrities like Gary Barlow, X Factor judge and singer with boy band Take That, have been ordered to repay millions after tax avoidance.
Read MoreTake That latest celebrities to find taxman lacks patience
There has also been controversy around the tax affairs of Starbucks and Amazon, with the coffee chain agreeing to start paying U.K. corporation tax after an outcry against its low tax bill.
Read MoreBacklash over Starbucks tax avoidance
David Gauke, the U.K.'s exchequer secretary, said the results were a "clear signal" HMRC "will collect the taxes that are due."
The agency has taken on more external debt collectors to help harden its approach to debtors.