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The current CT rates.
Corporation tax rates are set for each Financial Year. A Financial Year runs from 1 April to the following 31 March.
If the accounting period of a company straddles the 31 March, the profits are apportioned on a time basis to each Financial Year.
The Northern Ireland Executive has committed to setting the rate of corporation tax at 12.5% when the Northern Ireland Executive demonstrates its finances are on a sustainable footing.
Year to 31.3.26:
08 Oct 2025
New legislation aimed at tackling rogue tax agents and those pushing tax avoidance schemes won't catch all of those it is aimed at, warns the Chartered Institute of Taxation (CIOT).
23 Sep 2025
A review of the Treasury's proposals.