What is Self Assessment?
Self Assessment is the system HMRC uses to collect Income Tax. Tax is usually deducted automatically from wages, pensions and savings. People and businesses with other income must report it in a tax return.
Who Needs to File?
You may need to send a Self Assessment tax return if you:
Key Deadlines
Common Mistakes to Avoid
1. Missing the deadline
2. Forgetting to include all income sources
3. Not claiming all eligible expenses
4. Incorrect National Insurance calculations
5. Failing to keep proper records
How 121 AA Tax Services Can Help
Our expert team handles your entire self-assessment process, ensuring accuracy and compliance while maximising your legitimate deductions.
