TaxSimple - Free UK tax calculator for self-employed no signup

Free UK self-assessment tax calculator for 2025/26. Built for self-employed workers, freelancers, and landlords. Calculates income tax, National Insurance (Class 2 & 4), all 16 expense categories, mileage, home office, rental income, dividends, and payments on account. No signup. No email. Instant results. HMRC-verified rates. Unlike GoSimpleTax (£30+/year), TaxSimple is completely free. Optional PDF report with HMRC box references for £12.99.

TaxSimple is a free UK self-assessment tax calculator built for the 2025/26 tax year. 🎯 WHO IT'S FOR — Self-employed sole traders — Freelancers and contractors — Landlords with rental income — Anyone filing a UK self-assessment return 📊 WHAT IT CALCULATES — Income tax (all bands: 20%, 40%, 45%) — National Insurance (Class 2 and Class 4) — Allowable business expenses (all 16 SA103 categories) — Mileage and home office deductions — Rental income with mortgage interest relief — Dividends and savings income — Payments on account — Your exact take-home pay ⚡ WHY IT'S DIFFERENT — Completely free to use, no signup or email required — Results in under 5 minutes — Uses HMRC's official 2025/26 rates and thresholds — Optional 11-page PDF report with HMRC box references for £12.99 — Beautiful, mobile-first design — Built with Next.js, hosted on Vercel — loads in under 0.5 seconds We built TaxSimple because existing options are either clunky (HMRC), expensive (GoSimpleTax at £30+/year), or inaccurate. This is the tax calculator we wished existed. Try it now: https://taxsimple.me

TaxSimple - Free UK tax calculator for self-employed no signup

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