Self Assessment guides for UK sole traders
Plain-English Self Assessment help for UK sole traders, landlords and company directors: registration, tax return deadlines, payments on account and penalties.
Self Assessment Deadlines: The Complete UK Guide
Every Self Assessment date that matters — registration, filing, payments on account and the penalties for missing them.
Payments on Account Explained: Why Your January Tax Bill Can Jump
Understand Self Assessment payments on account, who pays them, the 31 January and 31 July dates, and when a reduction may be appropriate.
Who Needs to Register for Self Assessment? A Complete Checklist
Not just the self-employed — landlords, high earners, company directors and more. Here is exactly who must register for Self Assessment, and by when.
Class 2 and Class 4 National Insurance for the Self-Employed, Explained
National Insurance is the part of a sole trader's tax bill people forget to budget for. Here is how Class 2 and Class 4 actually work — and what they protect.
The Personal Allowance Taper: Why Income Between £100,000 and £125,140 Is Taxed at 60%
Earn over £100,000 and your tax-free Personal Allowance quietly disappears. Here is how the taper works, and the legitimate ways to plan around it.
How to Pay Your Self Assessment Tax Bill (And What to Do If You Can't)
Every accepted way to pay HMRC, how long each one takes to clear, and the Time to Pay option if 31 January arrives before the money does.