UK tax, taught properly. Short lessons in plain English, a worked example every time, and a live calculator at the end of each one so you can run the rule on your own numbers.
Answer five quick questions and we will point you at the right course.
We could not narrow it down from those answers, so start with whichever course matches your situation best.
Start anywhere. Every lesson works on its own, and your place is saved as you go.
Everything a sole trader needs, from your first invoice to your first tax return.
A complete walkthrough of self-employment tax in the UK. You will learn when you have to register, which expenses actually count,...
12 lessons · about 77 min
Start the courseQuarterly updates, digital records, and what it means for sole traders and landlords.
Making Tax Digital replaces the single annual tax return with quarterly updates and a final declaration. This course covers what a...
7 lessons · about 41 min
Start the courseRental profit, the mortgage interest restriction, and what happens when you sell.
Property is taxed differently from a trade, and the differences are not intuitive. This course builds your rental profit properly,...
9 lessons · about 57 min
Start the courseWhat every line on your payslip means, and what to do when the code is wrong.
Every employed person has a tax code and most do not understand it. This course reads a payslip line by line, decodes the letters...
8 lessons · about 47 min
Start the courseWork expenses, uniform, mileage and the refunds most employees never claim.
Millions of employees are entitled to tax relief they never claim. This course covers work expenses, uniform and tool allowances,...
7 lessons · about 40 min
Start the courseFor employed people with side income who have just found out they need to file.
You have a job, and something on the side: eBay, a lodger, freelance work, dividends or savings interest. Somebody has told you th...
7 lessons · about 43 min
Start the courseSalary and dividends, corporation tax, director loans and whether to incorporate at all.
Running your own limited company means two tax systems at once: the company pays corporation tax, and you pay personal tax on what...
9 lessons · about 55 min
Start the courseRegistration, schemes, returns and getting invoices right.
VAT is the tax small businesses find most confusing, largely because the rules are about timing and paperwork rather than arithmet...
8 lessons · about 47 min
Start the courseThe relief most people under-claim, and the allowances that limit it.
Pension tax relief is the most valuable and most under-claimed relief in the UK system. This course explains how relief is given,...
8 lessons · about 49 min
Start the courseShares, property and crypto: working out the gain and reporting it in time.
Capital Gains Tax is poorly understood because it is occasional: most people meet it a handful of times in their life, usually whe...
7 lessons · about 43 min
Start the courseOne idea at a time, about five minutes each. Plain English, with the GOV.UK source under every rule.
Every worked example builds in front of you, band by band, so you can see exactly where the tax comes from.
Each lesson ends with the real calculator, so the rule you just learned gets applied to your own figures.
Courses are free and need no account. Create one only if you want your progress saved, the end-of-course exam, and a certificate of completion.
Official & accurate
Every figure follows HMRC 2026/27 rates and links to its gov.uk source.
Private & secure
Calculations run in your browser. Your figures are never stored or shared.
Free for everyone
No account, no paywall, no limits. All our tools are completely free.
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