Key financial dates 2025
Keep ahead of the deadlines
We’ve put together a special list of all the important dates and deadlines that you can’t afford to miss or forget about. You’ll find everything you need to know from PAYE and tax return deadlines to some one-off dates. It’s all designed to be read at a glance – the ultimate tool for a busy business owner.
Self-Assessment Tax Return Deadline: 31 January
Self-Assessment Late Payment Penalty: 28 February
National Minimum Wage (NMW): 1 April
Stamp Duty Land Tax (SDLT) – 1 April
Business Rates: 1 April
Annual Tax on Enveloped Dwellings (ATED): 1 April
End of the 2024/25 Tax Year: 5 April
Start of the 2025/26 Tax Year: 6 April
Company Car Tax: 6 April
Employers’ National Insurance: 6 April
Capital Gains Tax (CGT): 6 April
Making Tax Digital for Income Tax Self-Assessment (MTD for ITSA): 6 April
Other Important Dates Annually
VAT – Quarterly Returns to HMRC every 3 months on or before the 7th of the month, five weeks after your period end date.
Company Accounts – must be submitted to Companies House within nine months after the accounting period end.
Corporation Tax – The deadline to file your corporation tax return is 12 months after the end of the accounting period it covers. The tax is payable 9 months after the end of the accounting period.
Do you need help meeting any of these deadlines?
At bennettbrooks, we understand that there are many financial deadlines to contend with and this can become overwhelming, especially for busy business owners and self-employed individuals. Our team is available to help you stay compliant and plan ahead.
Contact us to talk through your needs and ensure you’re always one step ahead.