UK tax, simply explained.
Clear, practical guides on Self Assessment, Corporation Tax, Making Tax Digital and getting the most from AI when you file. Written for real people, not accountants.
Making Tax Digital for Income Tax: what changes in April 2026
The biggest shake-up to Self Assessment in a generation starts in April 2026. Here is who it affects, what quarterly updates mean, and how to be ready.
Can AI do your taxes?
What AI genuinely handles, and where a human stays in charge.
Self Assessment deadlines: every key date
Register, file and pay on time. The full timeline, plus the penalties for missing it.
Allowable expenses for the self-employed: the full list
Every cost you can claim as a UK sole trader, plus the ones you cannot.
Cash-in-hand income and receipts, handled
Cash is taxable and HMRC expects records. How to stay compliant without the shoebox.
Corporation Tax and the CT600: a small company guide
Rates, marginal relief, the CT600 and every filing deadline for a UK limited company.
Put your own tax on autopilot.
Connect your bank once and let Oazy draft your return from real data.