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Filing checker
Do you need to file a Self Assessment return?
Answer a few questions about your self-employed income to see whether you need to register for Self Assessment and file a return.
Rules last checked against the official pages on 9 October 2026.
Filing checker
Does my self-employed income mean I need a tax return?
This checker covers self-employed income only. You may need to file for other reasons. Check your full circumstances using HMRC's official checker ↗.
Getting ready to file? The tax return preparation pack is a checklist and worksheet for your Self Assessment return. It is free when you give your email address.