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Corporation tax

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 31.3.27:

RateProf­its band (£)Rate (%)
Small prof­its rate0 — 50,00019
Mar­gin­al rate50,001 — 250,00026.5
Main rateOver 250,00025
Mar­gin­al relief frac­tion3/200