LIMITED COMPANY
Corporation Tax calculator
Estimate company tax from taxable profit, including the standard marginal-relief range.
Estimated Corporation Tax
£22,750
- Profit after tax
- £77,250
- Effective rate
- 22.75%
SOURCES & REVIEW
Checked against official guidance
Last checked 14 July 2026 · Rule version GB-2026.27.1
GOV.UK: Corporation Tax rates ↗COMMON QUESTIONS
Frequently asked questions
When does the main rate apply?
The main rate generally applies above the upper profit limit, subject to associated-company adjustments.
Does this include all reliefs?
No. Losses, R&D relief, capital allowances and associated companies can change the result.