Calculate UK Corporation Tax with Marginal Relief for 2025/26
Corporation Tax Rates 2025/26:
| Profit Band | Rate | Your Position |
|---|---|---|
| £0 - £50,000 | 19% | - |
| £50,001 - £250,000 | 26.5% (with relief) | - |
| £250,001+ | 25% | - |
Note: This calculator provides estimates based on standard CT rules. Complex situations may require professional advice. Thresholds are adjusted for associated companies and short accounting periods.
This calculator is part of UK Calculator's comprehensive suite of financial, health, and utility tools designed specifically for UK residents. All calculations use the latest 2025/26 tax rates and official UK guidelines.
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✓ Expert Reviewed — This calculator is reviewed by our team of financial experts and updated regularly with the latest UK tax rates and regulations. Last verified: January 2026.
Last updated: January 2026 | Verified with latest UK rates
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