Self-Assessment runs on a handful of fixed dates - and HMRC's penalties for missing them are automatic, steep, and land even if you don't owe a penny. This guide sets out every deadline that matters, exactly what late filing and late payment cost you, and - if you've already slipped past a date - how to limit the damage. It's part of our series of simple explainers and sits alongside our Essential Guide to Self-Assessment for the Self-Employed, which covers who actually needs

Prepare for HMRC's Making Tax Digital for Income Tax Self-Assessment (MTD-ITSA). ASBA Accounting offers expert accountancy support for landlords and self-employed individuals needing help with Self-Assessment Tax Returns in Crawley.