Internet giant Google is accused of using doing "evil in using smoke and mirrors to avoid paying tax" by MP Margaret Hodge during testy exchanges before the public accounts committee.
Read more from Siobhan Kennedy
Google in the hot seat - but HMRC feeling the heat
Matt Brittin, Google's boss in northern Europe, will be showing a humble face in front of MPs this morning. But it is the taxman who should face the toughest questions.
The UK arm of internet shopping giant Amazon received more money in government grants than it paid in UK corporation tax in 2012, according to new figures revealing the internet giant's accounts.
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George Osborne says nations must be able to collect the tax due to them, as he reveals agreement between the G7 group of economic powers to tackle tax avoidance and evasion.
The former tax chief Dave Hartnett has admitted that he waived up to £20m of tax owed by Goldman Sachs partly to avoid the firm pulling out of a new code of practice and embarrassing the Chancellor.
Tax havens are to commit to disclose the bank details of British taxpayers, as campaigners challenge an alleged deal allowing Goldman Sachs to skip a multi-million-pound interest bill on unpaid tax.
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George Osborne will offer tax breaks to producers who make big budget TV programmes here in the UK, in an attempt to win back productions that have fled to Eastern Europe. Sarah Smith reports.
The public accounts committee could not be clearer: HMRC is "fighting a battle it cannot win", while accountants are using their cosy relationship with government to benefit well-heeled clients.
The "big four" accountancy firms are accused of using information gleaned from working for government departments to help firms and wealthy people avoid tax.
The government says its tax changes mean people can now work for five more weeks before paying tax - but sadly it is not quite as simple as that.
