You deserve to understand exactly how your money works within the UK tax system, and our expert-written guides make even the most complex tax matters refreshingly simple. The Tax Guide is here to help.

Try our 6 free tools including the Income Tax Calculator, Tax Code Explainer, Self Assessment Helper, Stamp Duty Calculator and Inheritance Tax Checker to get instant personalised help.

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Income Tax Calculator
Enter your salary and get a clear breakdown of your income tax, National Insurance, and take-home pay for the 2025/26 tax year. See exactly where your money goes.
Tax Code Explainer
Not sure what your tax code means? Enter it here and get a plain English explanation of what it means, whether it is correct, and what to do if it is wrong.
Junior ISAs: Tax Free Way to Save for Your Child
Open a Junior ISA to save up to £3,600 a year for your child completely tax-free.
Umbrella Companies: A Quick Start Guide
How umbrella companies can simplify tax and invoicing for UK freelancers and contractors.
Tax on PPI Repayments: What Do I Need to Do?
If you got a PPI refund, you might owe tax on it, here's what HMRC expects from you.
Auto Enrolment: How Will it Affect Me?
From October 2012, your employer will automatically enrol you in a pension scheme and take money from your wages, whether you asked for it or not.
Tax Efficient Alternatives to the Child Trust Fund
If your child's trust fund closed, here are the tax-efficient ways to save for their future instead.
Top 10 Self Assessment Tips
Help yourself through Self Assessment with practical steps like keeping records, staying on top of bookkeeping, and using the right tools.
The Universal Credit: What Will it Mean for Me?
Universal Credit will replace six separate benefits with a single payment, but critics warn some people could receive less money.
What Happens if You Die Without Making a Will?
If you die without a will, intestacy laws decide who gets your money and belongings, often against your wishes.
How Will My Second Job Be Taxed?
Your second job is taxed at the standard rate once you've used your personal allowance on your main job.
I Couldn't Pay My Self Assessment: A Case Study
Mark couldn't afford his Self Assessment bill, here's what happened next and how HMRC pursued the debt.