Budget Highlights November 2025

From 18 November 2025, all company directors and people with significant control (PSCs) will be legally required to verify their identity under the Economic Crime and Corporate Transparency Act 2023.

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Key Dates

  • 31st  January
    Filing deadline for online Self-Assessment Returns and payment of tax owed, including first payment on account (midnight)
  • 5th April
    End of tax year
  • 6th April
    Start of tax year – start gathering your documents for your tax return
  • 31st July
    Second payment on account
  • 31st October
    Filing deadline for paper returns (midnight)
  • 31st December
    (If eligible) filing deadline for online returns if HMRC are to collect tax owed automatically from wages and pension

Other:

Capital Gains Tax return due to HMRC 60 days from the sale becoming unconditional on a residential UK property.

Deadline to amend a previously filed return online – January 31 following the initial deadline.

Corporation tax filing deadline for a company is 12 months after the end of its accounting period, this will usually fall at a month end. (Be aware this is slightly different for year one incorporations).

Corporation tax payments are due 9 months and 1 day after the company year end.

Annual Accounts are due to be filed with Companies House 9 months from the company year end.

Annual Accounts for a new company are due to be filed 21 months from the date of incorporation.

Quarterly: Small businesses typically file a VAT return four times a year. Each VAT return must be filed one month and seven days after the end of the quarter. Payment should be made on the same date unless a direct debit mandate is in place.

5th day of month: Deadline for monthly RTI submissions

19th of month: Deadline for payment of PAYE due for the preceding month

31st May: P60’s to be issued to employees

6th July: P11D to be issued to employees

19th July: Payment for Class 1A NIC