It's no wonder that Mike Hainey speaks about Connect with all the conviction of a new convert, for since its pilot installation in 2008, the data connection tool has helped the taxman secure £3bn in additional tax revenue from £80m initial costs - a 37.5 to 1 return on investment. Connect is HMRC's strategic risking tool that cross-matches over one billion internal and thirdparty data items and presents the information as a network of associations. For the first time, HMRC can see the majority of information it has about a taxpayer at the touch of a button. Its use has meant the prevention in loss of £4.1bn in revenue as a result of criminal investigations into taxes and duties owed since April 2010.
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