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Free tools · Corporation tax

Plan the bill before it lands.

19% under £50,000, 25% over £250,000, and the marginal relief zone in between. See what your company's profit really attracts on 2025/26 rates.

2025/26 rates

Corporation tax calculator

19% under £50,000, 25% over £250,000, and the often-misunderstood marginal relief zone in between. See what your company's profit really attracts.

£

Assumes a 12-month accounting period and no associated companies. Group structures change the thresholds: talk to us.

Marginal relief applied£1,950
Effective rate 23.4%
Corporation tax due£28,050
Profit after tax£91,950
Plan the bill before it lands

Illustrative only, not advice. Scottish income tax bands differ.

Marginal relief, dividends, timing

The bill is bigger than it needs to be more often than not.

We plan corporation tax ahead, claim every relief going, and make sure the number never surprises you. Start with a free review.