Corporation Tax Rates 2024 Marginal Relief. How does marginal relief work? We explain the current corporation tax rates for uk companies and how to calculate marginal relief on profits between £50,000 and £250,000.
Corporation tax rates and thresholds remain at the levels for the year to 31 march 2024 and are as follows: The rates tables have also been updated for the financial year 1 april 2023 to 31.