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Making Tax Digital replaces one annual return with four quarterly updates plus a final declaration. The exact deadlines, who's mandated and when, and how the new penalty points work.

The HMRC rule that turns a £4,000 tax bill into a £6,000 January shock — what payments on account are, when they apply, and how to plan for them.

Cash income is taxable income — full stop. How to record cash jobs properly, why receipts matter even when no one asks for them, and the records that keep an HMRC enquiry short.

Earn under £1,000 from self-employment and you may not need to file at all. Earn more, and you can deduct a flat £1,000 instead of actual expenses — here's when each choice wins.

HMRC lets you claim 45p per business mile for the first 10,000 miles, then 25p — but commuting doesn't count. What qualifies, what doesn't, and the records you need.

Work 25+ hours a month from home and HMRC lets you deduct £10–£26 a month with zero receipts. The bands, the alternative actual-costs method, and which wins for you.

You must register for VAT when your turnover passes £90,000 in any rolling 12 months — not the tax year. How the rolling test works, what counts as turnover, and what happens if you miss it.

If a software error in Get Sorted causes an HMRC penalty, we cover it. What's included, what isn't, and how to make a claim.