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  1. Self Assessment - GOV.UK

    Help and support HMRC email updates, videos and webinars for Self Assessment Get help with tax

  2. How to fill in a self-assessment tax return - Which?

    Aug 13, 2025 · What is a self-assessment tax return? A self-assessment tax return is an online or paper form that has to be submitted to HMRC every year by those who owe tax on income they've …

  3. Self Assessment Tax Return - A Complete Guide [2026] - GoForma

    2 days ago · What is Self Assessment Tax Return? Self Assessment Tax Returns is a system to report your income and calculate how much tax you owe to HMRC. It details how much you've earned and …

  4. How to File a Self-Assessment Tax Return? 2025 Guide - UK Tax Wise

    Jul 14, 2025 · A self-assessment tax return is how you tell HMRC about your income when it is not automatically taxed. For instance, you can be self-employed, a freelancer, a landlord, or earn money …

  5. How to register for Self Assessment in the UK - Tax2u

    Jul 17, 2025 · Whether you’re just getting started or missed the deadline last year, this guide will walk you through how to register for Self Assessment in 2025, what documents you need, and how to …

  6. How to file Self-Assessment tax return in UK: Guide 2025-26

    Sep 12, 2025 · This guide walks you through every step of completing your self-assessment in the UK. Whether you’re self-employed, a landlord, or have untaxed income, understanding the process is …

  7. How to Fill in a HMRC Self Assessment Tax Return? A Complete …

    Nov 17, 2025 · If you're self-employed, a landlord, or earning untaxed income in the UK, completing a HMRC self assessment tax return is a legal requirement. This detailed guide walks you through …

  8. HMRC Self Assessment 2025: Deadlines, Fines & How to File Stress-Free

    Aug 16, 2025 · HMRC Self Assessment 2025 explained: key deadlines, £3,000 tax rule, refunds, side hustle income & tax codes every UK taxpayer should know.

  9. How to do a Self Assessment tax return | Step-by-step guide

    Nov 6, 2025 · Filing your Self Assessment tax return? Our step-by-step guide explains what you need, key deadlines, and how to file online or with the HMRC app.

  10. File your Self Assessment tax return online - GOV.UK

    If you did not file a tax return last year You must register for Self Assessment before using this service if you’re filing for the first time. Check how to register for Self Assessment to...