Corporation Tax Rates 2024 Marginal Relief. Knowing how to calculate corporation tax and apply marginal relief, which helps bridge the gap between the small profits rate and the main rate, will go a long way to helping. This provides a gradual increase in the effective corporation tax.
What is the rate of corporation tax? Marginal relief provisions will also be introduced so that, where a company’s profits fall between the lower and upper limits, it will be able to claim an amount of marginal relief that.