Corporation tax: 19% for profits up to £50,000 (small profits rate), 25% for profits over £250,000. Marginal relief applies between £50K–£250K. For personalised advice, speak to our advisers.
Company Details
Enter your company’s taxable profits
Profits
£
After deducting all allowable business expenses
Include associated companies (reduces thresholds proportionally)
Corporation Tax Payable
£0.00
on your profits
0%
Effective Rate
£0
Profit After Tax
–
Rate Band
Tax Calculation
Summary
Corporation tax rates for FY2026: Small profits rate 19% (up to £50,000), main rate 25% (over £250,000). Marginal relief fraction: 3/200. Thresholds divided by 1 + number of associated companies.
