Free UK tax & retirement tools
Every tool below is free to use with no sign-up. Plan your retirement, optimise how you pay yourself, and check your tax in a few minutes.
Retirement Planner
Monte Carlo simulation, tax-optimised drawdown, multi-asset portfolios and crisis stress testing.
Owner-Director Optimiser
Find the salary, dividend and pension split that maximises take-home and retained profit.
Scenario Explorer
Compare two salary/dividend/pension scenarios side by side and see the net difference.
Day-Rate Simulator
Turn a day rate and working days into annual company income for the other tools.
Payslip Calculator
Estimate take-home pay from gross pay, tax code and deductions, with PAYE and NI.
Annual Tax Calculator
Estimate annual income tax and National Insurance from your taxable income.
Annual Tax Comparison
Compare two annual tax scenarios and see the income tax, NI and net-pay difference.
UK Tax Changes
Track key upcoming UK tax changes across PAYE, NIC, CT, dividends, CGT, IHT and more.
Everything's free. Go ad-free if you like.
No sign-up to use the tools. An optional subscription removes the ads.
Open the app — free