AccTek · Free Resources

Free Tools for
UK Businesses

Tax calculators and planning tools — all free, no signup required, updated for 2026/27 HMRC rates.

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Tax Calculator

Ltd Company vs PAYE

See exactly how much more you keep as a limited company director vs a PAYE employee on the same income. Includes corp tax, dividends, NI and income tax.

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Tax Calculator

Ltd Company vs Sole Trader

Find the crossover point where incorporating saves you money. Compares Class 4 NI, dividend tax and corporation tax against sole trader self-assessment.

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Compliance Tool

MTD Income Tax Checker

Answer 4 quick questions to find out if Making Tax Digital applies to you and when your deadline is.

Free UK tax tools updated for 2026/27

AccTek's free tools are built by qualified UK accountants and updated every tax year to reflect the latest HMRC rates. All calculators use confirmed 2026/27 figures including the April 2026 dividend tax increase (10.75% basic rate, 35.75% higher rate), current National Insurance thresholds, and corporation tax rates with marginal relief.

No email address, no signup, no sales call required. Just enter your numbers and get an instant result.

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