Comparison guide
PAYE vs Self Assessment
PAYE is the employer payroll system. Self Assessment is a tax return process for people who need to report income or gains to HMRC.
Reviewed 18 July 2026 · Sources checked: PAYE and payroll, Self Assessment, HMRC
| Factor | PAYE | Self Assessment |
|---|---|---|
| Used for | Payroll reporting and deductions when paying employees or directors through payroll. | Reporting personal income, including self-employment income or director income where a return is required. |
| Timing | Payroll reports are usually sent on or before pay day. | Online returns for a tax year are usually due by the following 31 January. |
| Responsible party | The employer runs payroll and reports to HMRC. | The individual is responsible for filing an accurate return. |
PAYE may apply when
- - You employ staff.
- - You pay directors or employees through payroll.
Self Assessment may apply when
- - You are self-employed.
- - HMRC asks you to send a tax return.
Common misconceptions
- - PAYE and Self Assessment can both be relevant to the same business owner.
- - Registering a company does not remove personal tax return responsibilities.