Estimate Tax on Company Profits in Seconds
See how much corporation tax may be due, what profit you retain after tax, and what that means for your business. Built for UK companies by RR Accountants.
Useful for planning, budgeting, and understanding post-tax profit before making business decisions.
Company Setup
Profit & Deductions
Profit Extraction (Optional)
These fields help illustrate how post-tax profit could be distributed. They do not affect the corporation tax calculation.
Estimated Corporation Tax
£18,093.95
Based on the inputs selected, this is the estimated corporation tax due on taxable profits of £82,430.00.
Profit Before Tax
£100,000.00
Total Deductions
£17,570.00
Taxable Profit
£82,430.00
Corporation Tax
£18,093.95
Profit After Tax
£64,336.05
Effective Tax Rate
21.95%
Estimated Profit After Tax
£64,336.05
78.0% retained
Profit Breakdown
Insight
Deductions of £17,570.00 (salary, expenses, and allowances) reduce taxable profit from £100,000.00 to £82,430.00.
Your taxable profit falls within the marginal relief band. The effective rate of 21.95% reflects a blend between the 19% small profits rate and the 25% main rate.
Dividends are paid from post-tax profits. The profit after tax figure shows the maximum available for distribution before personal dividend tax applies.
For tailored tax planning advice, speak with RR Accountants.
Disclaimer: This calculator provides general estimates for planning purposes only. Results depend on the assumptions entered and do not constitute tax advice. Actual corporation tax may vary depending on accounting adjustments, reliefs, associated companies, timing, and other factors.
Need help planning profit, tax, or dividends?
Company tax is only one part of the picture. RR Accountants helps business owners manage corporation tax, dividends, bookkeeping, payroll, VAT, and year-end accounts with a joined-up approach.
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What this calculator helps you understand
Corporation Tax Estimate
See the estimated tax due on company profits based on the selected assumptions.
Post-Tax Profit
Understand how much profit remains in the business after corporation tax.
Retained Earnings View
Use the result to plan reinvestment, reserves, or future extraction.
Business Planning Context
Turn a quick estimate into a broader tax and profit planning conversation.
This calculator is designed to provide a useful estimate for planning purposes. For tailored advice on corporation tax, dividends, allowances, and business structure, speak with RR Accountants.
Frequently Asked Questions
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RR Accountants supports UK companies with bookkeeping, payroll, VAT, corporation tax planning, year-end accounts, and ongoing financial advice.