HMRC’s information system ‘Connect’ is being used more and more to identify income and gains that have not been declared according to accountancy, tax and advisory firm Blick Rothenberg.

Also the information that the government agency can call upon to check whether an individual or company is evading tax is growing all the time, and becoming more “sophisticated”.

Jessica McLellan, a director in tax risk at Blick Rothenberg said: “Connect completely changes the dynamic of how HMRC commits investigative resource to risk and enables thematic and risk-based enquiries across the taxpaying population. Taxpayers ne...