UK Corporation Tax Calculator

Calculate your UK corporation tax liability for 2024-25. Enter your profit and expenses below to get an instant estimate.

Allowed Expenses

Business expenses that reduce your taxable profit

Add Back Expenses

Expenses that must be added back for tax purposes (e.g., entertainment, depreciation)

Current Tax Rate

19%

For the 2024-25 tax year

Quick Guide

Allowed Expenses Include:

  • Staff salaries and wages
  • Office rent and utilities
  • Professional fees
  • Business insurance
  • Marketing costs

Add Back Expenses Include:

  • Business entertainment
  • Depreciation
  • Repayment of loan
  • Fines and penalties
  • Personal expenses

What is Corporation Tax?

Corporation Tax is a tax on the profits of limited companies and some other organisations in the UK. All limited companies must pay Corporation Tax on their profits, including:

  • Trading profits from business activities
  • Investment profits and gains
  • Profits from selling assets (chargeable gains)

How to Calculate Corporation Tax

  1. Start with your net profit (revenue minus costs)
  2. Subtract allowable business expenses
  3. Add back non-deductible expenses
  4. Apply the 19% tax rate to taxable profit
  5. The result is your Corporation Tax liability

Disclaimer: This calculator provides estimates for general guidance only. For accurate tax calculations and advice specific to your circumstances, please consult a qualified accountant or tax advisor. Tax rules can change and may vary based on individual circumstances.