Free tools

Get a quick estimate.

No form, no email required — just a quick figure to work from before we talk.

Self-Assessment Estimator

Income minus allowable business expenses.

Employment, property or other taxable income.

Include the 20% basic-rate top-up your provider already adds — that part's automatic. This works out any extra relief you're due above basic rate.

Estimated Income Tax £0
Estimated Class 4 NI £0
Student loan repayment £0
Total estimated bill £0
Take-home from this profit £0

VAT Calculator

Your amounts are

Break your figure down by rate

Total net £0
Total VAT £0
Total gross £0

Using the VAT domestic reverse charge (for example, CIS construction services)? You don't charge VAT on your invoice — your customer accounts for it instead. This calculator assumes standard VAT rules apply.

These calculators give a simplified estimate for England & NI rates and don't account for every allowance, relief or circumstance. They're a starting point, not tax advice — book a free chat for figures you can rely on.

Want the real number, not a rough guess?

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