From 2013 to 2014 HMRC made an average of £1.1m per investigation. That rose to £1.9m in both 2015/16 and 2016/17 and increased to £2.5m last year, according to accountancy group UHY Hacker Young.
“HMRC has vast swathes of data at its disposal as well as increasingly sophisticated tools to analyse this material and track people down,” said UHY Hacker Young partner Sean Glancy. He predicted that the take from investigations will continue to climb.
Last year the Revenue investigated 140 individuals for offshore tax evasion offenses, including four arrests and six interviews relating solely to the Panama Papers leak.
In February, HMRC confirmed that is was expecting to receive £100m in additional taxes from this