Keeping track of key tax deadlines is essential for maintaining compliance and avoiding unnecessary penalties. To help you stay organised, we have compiled a comprehensive tax and key dates calendar for 2025. Use this guide to mark your calendar and ensure your financial year runs smoothly.
January
22 January: PAYE and NIC Payment Deadline (for payments covering December 2024 payroll).
Make your PAYE payment to HMRC to avoid late payment interest.
31 January: Self-Assessment Tax Return Deadline.
Submit your online tax return for the 2023/24 tax year. Pay any tax owed, including balancing payments and the first payment on account for 2024/25.
31 January: Filing of Accounts with the Companies House for companies with a 30 April accounting year-end. Late filing penalties apply.
February
1 February: Penalties Apply for Late Self-Assessment Submissions
Avoid additional charges by filing as soon as possible if you miss the 31 January deadline.
1 February: Payment of Corporation Tax for companies with a 30 April accounting year-end. Late payment penalties apply.
7 February: VAT Return Deadline (for businesses with quarterly VAT period ending 31 December 2024).
22 February: PAYE and NIC Payment Deadline (for payments covering January payroll).
28 February: Filing of Accounts with the Companies House for companies with a 31 May accounting year-end. Late filing penalties apply.
March
1 March: Payment of Corporation Tax for companies with a 31 May accounting year-end. Late payment penalties apply.
7 March: VAT Return Deadline (for businesses with quarterly VAT period ending 31 January).
22 March: PAYE and NIC Payment Deadline (for payments covering February payroll).
31 March: Filing of Accounts with the Companies House for companies with a 30 June accounting year-end. Late filing and late payment penalties apply.
April
1 April: Payment of Corporation Tax for companies with a 30 June accounting year-end. Late payment penalties apply.
5 April: End of the 2024/25 Tax Year. Ensure all allowances and reliefs are utilised before the tax year closes.
6 April: Start of the 2025/26 Tax Year. New tax rates and thresholds come into effect.
7 April: VAT Return Deadline (for businesses with quarterly VAT period ending 28 February).
22 April: PAYE and NIC Payment Deadline (for payments covering March payroll).
30 April: Filing of Accounts with the Companies House for companies with a 31 July accounting year-end. Late filing penalties apply.
May
1 May: Payment of Corporation Tax for companies with a 31 July accounting year-end. Late payment penalties apply.
7 May: VAT Return Deadline (for businesses with a standard quarterly VAT period ending 31 March).
22 April: PAYE and NIC Payment Deadline (for payments covering April payroll).
31 May: Payroll - Distribute P60s to Employees.
Ensure all employees receive their P60 forms detailing their annual earnings and tax deductions.
31 May: Filing of Accounts with the Companies House for companies with a 31 August accounting year-end. Late filing and late payment penalties apply.
June
1 June: Payment of Corporation Tax for companies with a 31 August accounting year-end. Late payment penalties apply.
7 June: VAT Return Deadline (for businesses with a standard quarterly VAT period ending 30 April).
22 June: PAYE and NIC Payment Deadline (for payments covering May payroll).
30 June: Filing of Accounts with the Companies House for companies with a 30 September accounting year-end. Late payment penalties apply.
July
1 June: Payment of Corporation Tax for companies with a 30 September accounting year-end. Late payment penalties apply.
6 July: Payroll - Submit P11D and P11D(b) Forms.
Report benefits and expenses provided to employees during the tax year.
7 July: VAT Return Deadline (for businesses with a standard quarterly VAT period ending 31 May).
22 July: PAYE and NIC Payment Deadline (for payments covering June payroll).
31 July: Self-assessment- Second Payment on Account Due (for the 2024/25 tax year).
31 July: Filing of Accounts with the Companies House for companies with a 31 October accounting year-end. Late filing penalties apply.
August
1 August: Payment of Corporation Tax for companies with a 31 October accounting year-end. Late payment penalties apply.
7 August: VAT Return Deadline (for businesses with a standard quarterly VAT period ending 30 June).
22 August: PAYE and NIC Payment Deadline (for payments covering July payroll).
31 August: Filing of Accounts with the Companies House for companies with a 30 November accounting year-end. Late filing penalties apply.
September
1 September: Payment of Corporation Tax for companies with a 30 November accounting year-end. Late payment penalties apply.
7 September: VAT Return Deadline (for businesses with a standard quarterly VAT period ending 31 July).
22 September: PAYE and NIC Payment Deadline (for payments covering August payroll).
30 September: Filing of Accounts with the Companies House for companies with a 31 December accounting year-end. Late filing penalties apply.
October
1 October: Payment of Corporation Tax for companies with a 31 December accounting year-end. Late payment penalties apply.
5 October: Register for Self-Assessment (if required for the 2024/25 tax year)
Notify HMRC if you need to file a tax return for the first time.
7 October: VAT Return Deadline (for businesses with a standard quarterly VAT period ending 31 August).
22 October: PAYE and NIC Payment Deadline (for payments covering September payroll).
31 October: Self-assessment - Deadline for Paper Self-Assessment Returns.
Submit your paper return for the 2024/25 tax year if filing manually.
31 October: Filing of Accounts with the Companies House for companies with a 31 January accounting year-end. Late filing penalties apply.
November
1 November: Payment of Corporation Tax for companies with a 31 January accounting year-end. Late payment penalties apply.
7 November: VAT Return Deadline (for businesses with a standard quarterly VAT period ending 30 September).
22 November: PAYE and NIC Payment Deadline (for payments covering October payroll).
31 November: Filing of Accounts with the Companies House for companies with a 28 February accounting year-end. Late filing penalties apply.
December
1 December: Payment of Corporation Tax for companies with a 28 February accounting year-end. Late payment penalties apply.
7 December: VAT Return Deadline (for businesses with a standard quarterly VAT period ending 31 October).
30 December: Online Self-Assessment Submission (to have tax collected via PAYE for under £3,000 owed).
31 December: Filing of Accounts with the Companies House for companies with a 31 March accounting year-end. Late filing penalties apply.
Tips for Staying on Top of Deadlines
Set Reminders and/ or use a digital calendar or accounting software to automate reminders.
Work with Professionals: An accountant can help you stay compliant and manage your obligations efficiently.
Plan: It is so simple to take a moment to plan ahead to avoid last-minute stress by preparing documents and payments well in advance.
How Penn Accounts Can Help
At Penn Accounts, we understand that managing tax deadlines can be overwhelming.
Our expert team offers:
Tax Planning and Filing: ensuring accurate submissions and maximising your savings.
Deadline Management: Stay compliant with personalised reminders and support.
Comprehensive Accounting Services: From VAT to payroll, we have got you covered.
Contact us today to schedule a consultation and let us help you stay ahead in 2025!
0207 183 6623
The information provided in this article is not intended to constitute professional advice and you should take full and comprehensive legal, accountancy or financial advice as appropriate on your individual circumstances by a fully qualified Solicitor, Accountant or Financial Advisor/Mortgage Broker before you embark on any course of action.
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