Free calculators for UK small businesses.
Honest starting numbers for the three decisions that come up most often — corporation tax, owner-director extraction, and the VAT flat-rate question. Everything runs in your browser; we don't store anything you type.
Corporation tax calculator
19% small profits, 25% main rate, and the marginal relief taper between £50,000 and £250,000.
Open calculatorDividend vs salary calculator
Compare zero-salary, NI-threshold, and personal-allowance extraction strategies side by side.
Open calculatorVAT flat-rate calculator
Compare the flat-rate scheme against standard VAT for your sector, including the first-year discount and limited cost trader rule.
Open calculatorCalculators are useful for shape and sanity-checking — they are not a substitute for an accountant who has your actual figures, group structure, and pension position in front of them. When the numbers matter, they're worth pressure-testing with someone qualified. That's what the matching service is for.