September 11, 2026
How to Submit a VAT Return Under Making Tax Digital
How to file a VAT return under MTD: the nine boxes explained, digital record-keeping rules, what counts as a digital link, and how to…
Read articleUK tax and accounting guides for business owners
Plain-English guides to company accounts, Corporation Tax, VAT, Self Assessment, MTD and payroll.
September 11, 2026
VAT Registration Threshold 2026/27: The Rolling 12-Month Test Explained
The VAT threshold is £90,000 on a rolling 12-month test — not a tax year test. Worked monthly example, the forward-look rule, and the…
Read articleSeptember 10, 2026
Marginal Relief Explained: The Truth About the 19%–25% Band
Marginal Relief creates a 26.5% effective marginal rate between £50,000 and £250,000 of profit — higher than the 25% main rate. The formula, the…
Read articleSeptember 10, 2026
How to Pay Corporation Tax: HMRC Reference Numbers and Methods
Your 17-character corporation tax reference changes every accounting period — the most common cause of misallocated payments. Full guide to references, methods and bank…
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How Much Is Corporation Tax in 2026/27? Rates and Marginal Relief
Corporation tax is 19% up to £50,000 and 25% above £250,000, with a 26.5% effective marginal rate in between. Full rate table, worked examples…
Read articleSeptember 10, 2026
Self Assessment for Limited Company Directors: Do You Actually Need One?
Being a director is not a Self Assessment trigger. What actually forces a return: dividends above the £500 allowance, benefits in kind and director's…
Read articleSeptember 9, 2026
How Far Back Can HMRC Investigate Your Self Assessment?
HMRC's discovery limits are 4, 6, 12 or 20 years depending on behaviour — plus the 12-month enquiry window, record-keeping rules and what triggers…
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Self Assessment Late Filing Penalties — and How to Appeal Them
Two penalty regimes now run in parallel. Which applies to you, the full £100/£900/5% schedule, the points system, and how to appeal within 30…
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Payments on Account Explained: Why HMRC Asks for Tax Early
Why your first Self Assessment bill is 150% of what you expected, the £1,000 and 80% exemption tests, and the real risk of reducing…
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How to Pay Self Assessment Tax: Every HMRC Payment Method
HMRC bank details, the UTR + 'K' payment reference, clearing times for every method, late payment interest at 7.75% and how Time to Pay…
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