UK Corporation Tax Calculator

Quickly estimate your limited company’s tax liability under the latest UK rules.

Our UK Corporation Tax Calculator helps business owners and directors work out how much corporation tax their company may owe for the 2024/25 tax year. It reflects the updated main rate of 25% and the small profits rate of 19%, incorporating marginal relief for profits between £50,000 and £250,000.

Whether you’re running a small consultancy or managing multiple income streams through your company, this tool provides:

• Estimated corporation tax payable

• Effective tax rate after marginal relief (if applicable)

• Breakdown of profit bands and thresholds

Who is it for?

• Directors of UK limited companies

• Contractors and consultants operating via limited companies

• Small business owners

• Startups assessing tax planning opportunities

• Accountants and finance managers

Disclaimer

This calculator is designed to give you a general estimate based on current UK corporation tax rules. For detailed tax planning or advice tailored to your business structure, get in touch with Hyde Accountancy — your partner in digital-first accounting and compliance.