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HMRC internal manual

Banking Manual

Banking surcharge: calculation of surcharge profits: CT surcharge


The surcharge profits of a company which is a banking company in relation to an accounting period are computed as follows:

  • Compute taxable total profits under the normal rules at S4(2)

Add any of the following which have been given in determining those taxable profits:

  • non-banking group relief 
  • non-banking or pre-2016 loss relief
  • relevant transferred out gains 


  • non-banking transferred-in gains
  • research and development expenditure credits