Useful Tools
A growing collection of free calculators and utilities.
Salary Calculator
UK 2026/27 employee take-home pay calculator. Includes PAYE, NI and auto-enrolment pension.
Open toolEmployee Total Cost
UK 2026/27 employer cost-of-hire calculator. Gross salary plus employer NI and pension.
Open toolCIS Rebate Calculator
Estimate the CIS tax refund HMRC owes you as a UK construction subcontractor for 2026/27.
Open toolSole Trader vs Limited Company
Compare take-home pay and tax efficiency between trading as a sole trader or a limited company.
Coming soonDividend Tax Calculator
Work out the income tax due on dividends drawn from your limited company.
Coming soonOptimum Director's Salary
Find the most tax-efficient director's salary level for 2026/27.
Coming soonMTD ITSA Scope Checker
Check whether you fall within Making Tax Digital for Income Tax Self-Assessment.
Coming soonStamp Duty Land Tax Calculator
Estimate SDLT on residential or buy-to-let property purchases in England & NI.
Coming soonIR35 Status Indicator
A short questionnaire to indicate whether your engagement is likely inside or outside IR35.
Coming soonPayments on Account
Calculate your Self Assessment payments on account and balancing payment due.
Coming soonMileage Allowance Calculator
Calculate your tax-free mileage allowance using HMRC's approved rates.
Coming soonCGT Property Estimator
Estimate Capital Gains Tax on the sale of a UK residential property.
Coming soon