One of the biggest announcements in the Budget on 3 March 2021 was the news that the main rate of Corporation Tax will increase to 25% from 1 April 2023. Alongside this announcement was the introduction of a small profits rate of 19% to “provide protection to the smallest businesses”.
When the rates apply will depend on the “augmented profits” of a company for the relevant accounting period. Broadly speaking, augmented profits are taxable profits plus any exempt distributions received (excluding dividends received from 51% subsidiaries).
The small profits rate of 19% will apply where augmented profits for the accounting period do not exceed the lower limit of £50,000.
The main rate of 25% will apply where augmented profits for the accounting period exceed the upper limit of £250,000.
For companies with profits in between these thresholds, tax is calculated at the main rate then Marginal Relief applies to reduce the liability.