Historical rates
United Kingdom Corporate income tax history
A year-by-year entry point for United Kingdom Corporate income tax. The detail pages are optimized for queries like “what was the tax rate in [year]?”
Country
United Kingdom
Series
Corporate income tax
Seed years
3
2022
Before April 1, 2023, the UK still used a single 19% corporation tax rate for non-ring-fence profits, which is why many older internet explainers still repeat that number as if it were the whole current story.
Legislation
Corporation Tax rates and allowances
2023
From April 1, 2023, the UK stopped using a single corporation tax rate for non-ring-fence profits and moved to the modern 25% main-rate / 19% small-profits structure with marginal relief in between.
Legislation
Corporation Tax rates and allowances
2026
HMRC updated the published corporation tax rates and allowances for 2026 on April 1, 2026, confirming that the post-2023 split-rate structure remains the current framework.
Legislation
Corporation Tax rates and allowances
Primary sources
- Corporation Tax rates and allowancesVerified 2026-05-02
Important disclaimer
This library is for general tax education only. Always verify filing obligations, due dates, and tax consequences against the cited primary source or with a qualified tax professional.