What Happens If You File Company Accounts One Day Late?

Filing your UK company accounts just one day after the deadline can trigger an automatic late filing penalty. For a private limited company, the penalty is £150, even if the accounts arrive only 24 hours late. Companies House does not generally provide a grace period for companies that miss the deadline by a single day.

The good news is that filing one day late does not automatically mean your company will be struck off, nor does it mean you have committed a separate offence simply because the accounts were a day late. However, late filing has financial and compliance consequences, and the company remains responsible for putting the situation right.

If you have missed your deadline, the best course of action is to submit acceptable accounts as soon as possible, check whether a penalty has been issued, and establish why the deadline was missed. This guide explains what happens when company accounts are filed one day late, whether you can avoid the penalty, how appeals work, and what directors can do to prevent the same problem next year.

Do You Get a Grace Period for Filing Company Accounts?

No. Companies House does not generally give companies an automatic one-day grace period. Your accounts must be received by Companies House in an acceptable format by the filing deadline. The date you send the accounts, instruct your accountant or begin an online submission is not necessarily the date that counts. What matters is whether Companies House receives the accounts correctly and on time.

For example, suppose your private limited company's accounts are due on 30 September. If Companies House receives and accepts them on 1 October, they are late. The fact that they were submitted only one day after the deadline does not remove the penalty.

The same principle applies if the deadline falls on a weekend or bank holiday. Companies House states that accounts must still be filed by the specified date. This is why directors should avoid treating the filing deadline as a target for starting the submission process. Technical issues, rejected accounts, missing signatures or delays in obtaining approval can all push a last-minute filing beyond the deadline.

How Much Is the Penalty for Filing One Day Late?

The penalty depends on the type of company and how late the accounts are. Under the current Companies House penalty structure, a private limited company receives a £150 penalty when its accounts are up to one month late. Public limited companies face higher penalties. The current penalty bands are:

These are the standard penalties published by Companies House. The penalty is doubled if accounts are filed late in two consecutive financial years. For most small UK businesses, the immediate issue is the £150 charge. That amount may seem manageable, but it is an avoidable expense for a startup or small company operating on a tight budget. Repeated late filing can also become more costly and indicate weaknesses in the company's compliance processes.

What Should You Do If Your Accounts Are One Day Late?

If the deadline has already passed, act promptly rather than waiting for a penalty notice.

1. File the accounts immediately

Complete and submit the accounts as soon as they are ready. Do not deliberately wait until you receive a penalty notice, and do not postpone filing because you intend to appeal.

If the accounts are not ready, contact your accountant or whoever is responsible for preparing them and agree on the earliest realistic filing date. Directors should remember that responsibility for ensuring the accounts are delivered on time remains with them, even when an accountant handles the work.

2. Check that Companies House has accepted the filing

Submitting accounts is not always the same as completing a successful filing. If the accounts are rejected because they do not meet the legal requirements, you may still receive a penalty if acceptable accounts are delivered after the deadline.

Check the filing status and make sure any rejection is addressed quickly. Common problems can include missing signatures, incorrect accounting information or accounts that do not meet the applicable filing requirements.

3. Look out for the penalty notice

Companies House automatically imposes a late filing penalty when accounts are late. It sends a penalty notice to the company's registered office address, explaining the deadline, the filing date and the penalty amount. Make sure your registered office arrangements are reliable and that important correspondence reaches the directors promptly. If you use an accountant or company service provider to receive post, establish who is responsible for forwarding penalty notices.

4. Decide whether an appeal is justified

If the accounts were late because of circumstances genuinely outside the company's control, you may be able to appeal. However, an appeal should be based on the actual circumstances and supported by evidence, not simply on the fact that the accounts were only one day late. If the delay resulted from forgetting the date, poor planning or relying on an accountant, an appeal is unlikely to succeed.

Can You Appeal a £150 Late Filing Penalty?

Yes. You can appeal a Companies House late filing penalty, but the registrar's discretion is limited. You generally need to show that exceptional, unexpected circumstances outside your control prevented the company from filing on time, or that Companies House made an error.

Circumstances that may support an appeal include a serious, unexpected event occurring close to the deadline, such as a fire destroying essential company records. The evidence must explain how the event prevented timely filing. Examples of evidence could include:

• An incident or insurance report.
• Relevant medical documentation.
• Dated correspondence showing the disruption.
• Records demonstrating a Companies House error, where applicable.

Your explanation should establish what happened, when it happened, why it prevented filing, and what steps the company took to resolve the problem.

What reasons are unlikely to succeed?

Companies House states that appeals are unlikely to succeed when based on reasons such as:

• The director forgot the filing deadline.
• The company could not afford an accountant.
• The accountant was responsible for the delay.
• The company was dormant.
• The directors were living or travelling overseas.
• The company was filing its first accounts.
• The directors did not understand the filing requirements.

These circumstances do not usually establish an exceptional reason for missing the deadline. You can use the official Companies House late filing penalty appeal service. You will need the company number, penalty reference, reason for the appeal and supporting documents where relevant.

Important: An appeal is not a substitute for filing the accounts. Submit the accounts as soon as possible, then follow the appeal process if you have valid grounds.

Does Filing One Day Late Affect Your Company's Reputation?

A one-day delay does not automatically mean your company will suffer significant reputational damage. Nevertheless, annual accounts form part of the public record, and the filing history is visible to people researching your business. Depending on the circumstances, late accounts may concern:

• Lenders: A lender assessing a finance application may want to understand why statutory information is overdue.
• Investors: Investors may view repeated missed deadlines as evidence of weak financial controls.
• Suppliers and customers: Some businesses check Companies House records before entering into significant commercial relationships.
• Potential buyers: A company with a poor compliance history may require additional explanation during due diligence.

One isolated late filing is not necessarily a major commercial problem. The greater concern is a pattern of missed deadlines or a failure to address the underlying cause. For a startup seeking investment or credit, keeping the company's statutory record accurate and up to date is a relatively simple way to demonstrate good governance.

Does a Late Companies House Filing Affect Corporation Tax?

Not automatically. Companies House annual accounts and HMRC Corporation Tax obligations are separate filing requirements, even though they use related financial information. For a typical private limited company, annual accounts are generally due nine months after the end of the company's financial year. Corporation Tax is usually payable nine months and one day after the end of the Corporation Tax accounting period, while the Company Tax Return is normally due 12 months after that period ends. Special rules apply in some circumstances.

Filing accounts one day late at Companies House does not, by itself, mean your Company Tax Return is late. Equally, filing accounts on time does not mean your HMRC obligations have been met. As of 2026, HMRC's standard penalty for filing a Company Tax Return late is £200 for returns with filing deadlines on or after 1 April 2026. This is a separate penalty regime and should not be confused with Companies House's £150 penalty for a private company filing its accounts up to one month late. Directors should track both sets of dates independently.

What If Your Accountant Filed the Accounts One Day Late?

Your company is generally responsible for the late filing penalty even if an accountant was instructed to prepare and submit the accounts. Appointing an accountant does not transfer the director's statutory responsibility to ensure that acceptable accounts reach Companies House on time. Companies House specifically identifies reliance on an accountant as a reason that is unlikely, on its own, to justify cancelling a penalty.

If your accountant caused the delay, consider the following steps:

1. Ask for a written explanation of what happened.
2. Confirm the date the accounts were submitted and whether Companies House accepted them.
3. Request a copy of the filing confirmation and any rejection notices.
4. Review your engagement terms to understand the agreed responsibilities.
5. Improve the process for future deadlines, including earlier preparation and confirmation of submission.

If you believe the accountant breached their contractual obligations, you may wish to discuss the matter with them or seek independent professional advice. However, any dispute with the accountant does not automatically cancel the company's Companies House penalty. For overseas founders managing a UK company remotely, this distinction is particularly important. A service provider can assist with compliance, but directors should still monitor filing dates and verify that submissions have been completed.

How to Avoid Filing Company Accounts Late Again

The most effective way to avoid another penalty is to create a process that does not depend on last-minute action.

Use a compliance calendar

Record the annual accounts deadline, Corporation Tax payment date, Company Tax Return deadline and confirmation statement date. Set reminders well before each deadline. Companies House also provides email reminders, which can help directors keep track of upcoming filing dates.

Set an internal deadline earlier than the legal one

If your accounts are due on 30 September, aim to have the preparation and approval process completed well before that date. An internal deadline gives you time to resolve missing records, correct errors and deal with unexpected problems.

Review responsibility with your accountant

Agree who will prepare the accounts, who will approve them, who will submit them and how confirmation will be provided. Do not assume that the accounts have been filed merely because you have sent the accountant your records.

Keep records organised throughout the year

Maintain bookkeeping records, invoices, bank statements and other supporting documents as you go. Reconstructing a year's financial information shortly before the deadline creates unnecessary pressure and increases the risk of delay.

For founders using IncorpUK, a UK company formation and management platform for global founders, treating statutory filing dates as part of the company's ongoing compliance routine is more reliable than dealing with each deadline as a separate emergency.

Frequently Asked Questions

1. What is the penalty for filing company accounts one day late?

For a private limited company, the standard penalty is £150 because the accounts are within the first month of being late. Public limited companies face a £750 penalty in the same period.

2. Can Companies House waive a penalty for being one day late?

It may cancel a penalty following a successful appeal, but being only one day late is not, by itself, a reason for cancellation. You generally need evidence of exceptional circumstances outside your control or a Companies House error.

3. Is there a grace period after the company accounts deadline?

No general grace period applies. Companies House requires acceptable accounts to be delivered by the specified deadline, including when that date falls on a weekend or bank holiday.

4. Will one day late affect my company's credit rating?

Not necessarily. A late filing does not automatically cause a specific credit-rating change. However, lenders and credit-reference agencies may consider public filing information alongside other factors when assessing a business.

5. Can I appeal if my accountant forgot to file my accounts?

You can submit an appeal, but relying on an accountant is not normally sufficient grounds for success. Directors remain responsible for ensuring that the company meets its filing obligations.

6. Does filing accounts late mean my company will be dissolved?

No. One late filing does not automatically dissolve a company. However, persistent failure to file accounts or confirmation statements can lead Companies House to take enforcement action, including steps towards striking the company off the register.

7. Will I receive a penalty notice if I file the next day?

Companies House automatically imposes the applicable penalty when accounts are filed late and sends a notice to the company's registered office address. Check your company correspondence and filing record.

8. Does a one-day delay affect my Corporation Tax Return?

Not automatically. Companies House accounts and HMRC Corporation Tax Returns have separate deadlines. Check each obligation independently to determine whether either filing or payment is late.

Conclusion

Filing your UK company accounts one day late can cost a private limited company £150. There is no general grace period, and submitting the accounts shortly after midnight on the day following the deadline does not avoid the penalty. If the deadline has passed, file acceptable accounts as soon as possible, check your Companies House record and consider an appeal only if you have legitimate grounds supported by evidence. If an accountant caused the delay, address the issue with them, but do not assume that responsibility for the penalty automatically transfers away from the company.

The best protection is prevention: keep accurate records, set internal deadlines well ahead of the legal date, monitor Companies House reminders and confirm that every submission has been accepted. A single late filing may be manageable, but a reliable compliance process helps protect your company's finances, reputation and ability to grow.