Log in
Self AssessmentUpdated 2026-02-12

Do company directors need to file Self Assessment?

Quick Answer

Usually yes. Most directors need to file Self Assessment if they receive dividends, salary above £100,000, or have other income. HMRC typically writes to new directors to register.

Let Finn handle this for you

AccountsOS does your books for you. Ask Finn about your own business, no signup needed.

Detailed Explanation

Directors must file Self Assessment if they have

- Dividend income from their company - Salary over £100,000 - Other untaxed income (rental, investments, etc.) - Higher rate tax to pay (income over £50,270) - Child Benefit to repay (income over £60,000) - Capital gains over the annual exemption

Directors may NOT need to file if

- Only income is PAYE salary below £100,000 - No dividends taken - No other income sources - Tax fully collected through PAYE

What to include in your return

- Salary and benefits from your company (from P60/P11D) - Dividends received (from company records) - Other employment income - Rental income - Interest and savings - Capital gains - Pension contributions - Gift Aid donations

Common mistake

Taking dividends but not registering for Self Assessment. HMRC will catch up eventually, and you'll owe tax plus interest.

Timeline

- Register by 5 October following the tax year end - File online by 31 January - Pay any tax due by 31 January

Source: HMRC Self Assessment for Directors

Real-World Examples

Dividend Income and Self Assessment

Sarah, a director, takes a salary of £40,000 and dividends of £20,000 from her limited company. Because she receives dividend income exceeding the dividend allowance (£500 in 2024/25, potentially changing in subsequent years), she's required to file a Self Assessment tax return.

High Salary Director

John is a director with a salary of £120,000. Although his tax is deducted through PAYE, his earnings exceed £100,000. This means he's legally obligated to file a Self Assessment tax return to account for any adjustments, such as pension contributions or benefits in kind.

Rental Income and Directorship

Emily is a company director with a modest salary of £30,000 and no dividends. However, she also receives £15,000 annually from rental property income. This additional income, not taxed at source, necessitates the filing of a Self Assessment tax return, even with her PAYE salary.

Common Mistakes to Avoid

  • Assuming your accountant automatically files your Self Assessment; it's your responsibility to ensure it's filed on time unless specifically agreed otherwise.
  • Forgetting to declare dividend income, even if you believe it's below the dividend allowance, as HMRC requires the full amount to be reported.
  • Ignoring HMRC's letter prompting you to file Self Assessment, even if you think it's an error; contact them to clarify your situation.
  • Failing to keep accurate records of income and expenses related to your director role, making the Self Assessment process difficult and potentially inaccurate.

What happens if my salary is *exactly* £100,000?

If your gross salary reaches £100,000, HMRC typically requires you to file a Self Assessment tax return. This is because there might be slight discrepancies or additional taxable benefits that need to be accounted for.

If I overpay my Self Assessment, how do I get a refund?

HMRC will usually issue a refund automatically if you've overpaid your Self Assessment. You can track the refund's progress through your online HMRC account or by contacting HMRC directly if you don't receive it within a reasonable timeframe (usually a few weeks).

Can I pay my Self Assessment tax bill directly from my limited company's bank account?

No, Self Assessment tax is a personal liability, so you must pay it from your personal bank account. Paying from your company account could be seen as a benefit in kind and have further tax implications.

What happens if I'm late filing my Self Assessment due to a genuine reason, like illness?

You can appeal to HMRC against penalties for late filing if you have a reasonable excuse, such as a serious illness or bereavement. Gather evidence to support your claim and submit it to HMRC as soon as possible.

Practical Tips

  • Keep a detailed record of all dividend payments you receive throughout the tax year, including the dates and amounts, as this information is crucial for accurate reporting.
  • Use accounting software or a spreadsheet to track your income and expenses related to your director role, making it easier to complete your Self Assessment.
  • Set up a dedicated savings account for your Self Assessment tax liability to avoid being caught short when the payment deadline approaches.
  • Review your prior year's Self Assessment return and calculations to ensure you're not making the same mistakes again.

Related Questions

When is my Self Assessment tax return due?

The deadline for online Self Assessment is 31 January following the end of the tax year. For 2025/26 (ending 5 April 2026), the deadline is 31 January 2027. For 2026/27 (ending 5 April 2027), it is 31 January 2028.

Browse all questions →

Get instant answers to all your accounting questions

AccountsOS uses AI to answer your tax and accounting questions in plain English. Ask Finn, get the figure, keep a human for the hard calls.

Get Started Free

Free for 14 days - No credit card required