Small business accounting

What is the Deadline for Filing Annual Accounts?

The company accounts filing deadline for UK limited companies is 9 months after the company's year-end date, with late filing resulting in automatic penalties from Companies House starting at £150, making timely submission crucial for avoiding unnecessary costs and maintaining good standing with HMRC and Companies House.

Last updated
August 14, 2025

Company Accounts Filing Deadline

Filing company accounts to Companies House is determined by the date of business registration. All the new businesses must file their first accounts within 21 months after company registration or 3 months from the accounting reference date - whichever is longer. The deadline for company accounts filing for existing businesses is 9 months after the company's financial year ends.

Filing company accounts to Companies House is determined by the date of business registration. All the new businesses must file their first accounts within 21 months after company registration or 3 months from the accounting reference date - whichever is longer. The deadline for company accounts filing for existing businesses is 9 months after the company's financial year ends.

Company Accounts Late Filing Penalty

The following penalties for private limited companies will be imposed if you fail to file your accounts with Companies House on time:

  • Up to 1 month late: £150
  • 1 - 3 months late: £375
  • 3 - 6 months late: £750
  • More than 6 months late: £1,500

Watch below video by Companies House to find out the best ways to get your accounts in on time and avoid a fine:

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