Free tools for UK business owners

18 calculators covering tax, VAT, payroll, compliance, and profitability. Built for limited company directors, sole traders, and freelancers.

18
free tools
5
categories
2025/26
rates
Making Tax Digital for Income Tax launched April 2026. If your self-employment or property income exceeds £50,000, you are now required to keep digital records and submit quarterly updates to HMRC. Check if you are affected
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Company Tax & Finance

5 tools
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VAT & Invoicing

4 tools
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Companies House & Compliance

4 tools
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Payroll & Employment

3 tools
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Pricing & Profitability

2 tools
Always up to date
Rates updated for 2025/26 including April 2025 employer NI changes and MTD for Income Tax.
Nothing to install
All calculations run in your browser. No account required, no data sent to any server.
Guidance, not advice
These tools provide estimates for planning purposes. Always consult a qualified accountant for your specific situation.