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2025/26 tax rates, PA taper, NI bands — verified against official HMRC figures.
Bloomberg-inspired dark theme. Looks professional on any website.
Works perfectly on desktop, tablet, and mobile devices.
Under 8KB. No dependencies. Shadow DOM for style isolation.
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TaxWhizz has 20 HMRC-accurate professional tax tools including Self Assessment, Corporation Tax, Capital Gains, VAT, Inheritance Tax, Pension Planning, and more.
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