Skip to content
Tax Year Dates 24/25 for UK Businesses
Managing a business in the UK comes with multiple tax deadlines. To help you stay organised, we’ve compiled the key tax year dates 24/25 for limited companies, sole traders, and self-employed individuals.
Use this as a guide, and speak to ARB Accountants for advice tailored to your business.
Key Tax Dates Tax Year Dates 24/25
August 2025
- 07 Aug: VAT quarterly return for period ending 30 Jun 2025 (quarters ending Mar, Jun, Sep, Dec).
- 22 Aug: Monthly deadline for electronic remittance to HMRC of PAYE, NIC, CIS.
September 2025
- 07 Sept: VAT quarterly return for period ending 30 Jul 2025 (quarters ending Jan, Apr, Jul, Oct).
- 22 Sept: Monthly deadline for electronic remittance to HMRC of PAYE, NIC, CIS.
- 30 Sept: Deadline for filing accounts with Companies House for accounting year ending 31 Dec 2024.
October 2025
- 01 Oct: Corporation Tax payment due for accounting year ending 31 Dec 2024.
- 05 Oct: Self-Assessment registration deadline if you’ve worked as a sole trader or self-employed in the 2024/25 tax year.
- 07 Oct: VAT quarterly return for period ending 31 Aug 2025 (quarters ending Feb, May, Aug, Nov).
- 22 Oct: Monthly deadline for electronic remittance to HMRC of PAYE, NIC, CIS.
- 31 Oct: Self-Assessment filing deadline for submission by post for 2024/25 tax year.
November 2025
- 07 Nov: VAT quarterly return for period ending 30 Sep 2025 (quarters ending Mar, Jun, Sep, Dec).
- 22 Nov: Monthly deadline for electronic remittance to HMRC of PAYE, NIC, CIS.
December 2025
- 07 Dec: VAT quarterly return for period ending 30 Oct 2025 (quarters ending Jan, Apr, Jul, Oct).
- 22 Dec: Monthly deadline for electronic remittance to HMRC of PAYE, NIC, CIS.
- 30 Dec: Self-Assessment deadline for 2024/25 tax year for self-employed who also have employment/pension income and want HMRC to collect self-employed tax through their PAYE code.
- 31 Dec: Deadline for filing accounts with Companies House for accounting year ending 31 Mar 2025.
Sole Traders & Self-Employed Deadlines
Managing your taxes as a sole trader or self-employed individual can be challenging. Knowing the UK tax year dates and HMRC tax deadlines for your business is essential to avoid penalties.
Self-Assessment Filing Dates
- Paper returns: 31 October 2025 (self assessment deadline UK)
- Online returns: 31 January 2026 (self employed tax return deadline UK)
- PAYE collection via tax code: 30 December 2025
Penalties for Missing Deadlines
Missing the self assessment deadline UK can result in:
- £100 fixed penalty if late
- Daily penalties after 3 months, increasing after 6 and 12 months
Self-Assessment Registration
- Deadline: 05 October 2025 if you became self-employed in the UK tax year 2024/25
Keeping track of tax year dates 24/25 ensures you stay compliant and avoid interest or penalties.
Company Tax Deadlines
For limited companies, understanding corporation tax deadlines UK and HMRC filing dates is critical for compliance.
Corporation Tax Payments
- Due 9 months and 1 day after your accounting period ends (HMRC tax payment dates)
- Interest accrues on late payments
Corporation Tax Return Filing
- Due 12 months after your accounting period ends
- Missing the deadline triggers penalties for late filing
Companies House Filing
- Accounts must be filed 9 months after the end of the financial year (end of financial year uk, financial year dates uk)
- First accounts may have longer deadlines depending on incorporation date
Confirmation Statement
- File once every 12 months within 14 days of the review period
- Staying on top of corporation tax deadlines UK and HMRC filing dates avoids unnecessary fines and keeps your business compliant.
VAT Deadlines
VAT-registered businesses must follow strict VAT return deadlines UK
- Quarterly Filing Rule: Submit VAT returns 1 month + 7 days after the period end
- MTD Compliance: VAT must be submitted via HMRC-compatible software such as Xero
- Examples using 2025 dates:
07 Nov – quarter ending 30 September 2025
Knowing HMRC tax deadlines for VAT ensures timely payments and avoids penalties.
Payroll & Employer Deadlines
Employers must follow consistent deadlines each month to stay compliant with HMRC
- Monthly PAYE/NIC/CIS submissions: 22nd of each month (HMRC tax deadlines)
Using a payroll schedule aligned with UK financial year dates ensures your employees and HMRC are correctly paid.
Why Staying Organised Matters
Understanding the UK tax year 2024/25 and end of tax year 2025 is key to avoiding penalties
- Plan ahead to cover taxes and avoid interest
- Maintain records (receipts, invoices, bank statements) for at least 6 years (HMRC financial year)
- Set aside a portion of gross income (~30%) to meet HMRC Tax payment dates
Organisation ensures you never miss critical tax year dates 24/25 or self assessment deadline UK.
How ARB Can Help
ARB Accountants simplify compliance with uk tax year dates, HMRC tax payment dates, and all relevant HMRC filing dates
- Personalised reminders: Stay on top of corporation tax deadlines uk, vat return deadlines uk, and self employed tax return deadline uk
- Full tax compliance service: Including VAT, payroll, corporation tax, and self-assessment
- Digital-first approach: Use Xero and other MTD-compatible software for smooth submissions
FAQs: UK Tax Deadlines & Key Dates
When does the UK tax year start?
The UK tax year starts on 6 April (start of tax year 2024, new tax year start date, uk tax year dates).
When does the UK tax year end?
The UK tax year ends on 5 April (tax year end 2024, end of financial year UK, financial year dates UK).
What is the current UK tax year?
The current UK tax year is 2024/25 (uk tax year 2024/25, tax year dates 2024).
What financial year are we in?
We are in the UK financial year 2024/25 (uk financial year dates, hmrc financial year, financial year start and end).
When does the next financial year start?
The next UK financial year starts on 6 April 2025 (new tax year start date, uk tax year dates).
What tax year are we filing for in 2024?
In 2024, companies and individuals are filing for the 2023/24 tax year (tax year dates 2024, when does the tax year end 2024).
What are the key dates for the UK tax year?
Key dates include: self-assessment filing (31 Oct paper, 31 Jan online), corporation tax payment (9 months + 1 day after year-end), VAT returns (quarterly), P60s (31 May), P11Ds (6 July) (uk tax year dates, end of tax year 2025, hmrc filing dates).
What are the main UK tax deadlines for sole traders?
Sole traders must meet: Self Assessment filing deadlines (31 Oct, 30 Dec, 31 Jan), payment on account deadlines (31 Jan, 31 Jul), and registration deadline (05 Oct if newly self-employed) (self employed tax return deadline UK, self assessment deadline UK, hmrc tax deadlines).
How can a company avoid late filing penalties?
File corporation tax returns within 12 months, pay taxes within 9 months + 1 day, submit accounts to Companies House on time, and maintain HMRC records (corporation tax deadlines UK, hmrc filing dates, hmrc tax deadlines).
When is Self Assessment due UK?
Online returns are due 31 January following the tax year, paper returns 31 October, and PAYE collection option by 30 December (self assessment deadline UK, self employed tax return deadline UK, hmrc filing dates).
When is the Self Assessment deadline UK for the 2024/25 tax year?
For 2024/25, online filing is due 31 January 2026, paper returns 31 October 2025, and PAYE collection by 30 December 2025 (self assessment deadline UK, hmrc filing dates, self employed tax return deadline UK).
What are the corporation tax deadlines UK for companies?
Corporation tax must be paid 9 months + 1 day after the accounting period ends. Returns are due 12 months after the period ends (corporation tax deadlines UK, hmrc tax deadlines, hmrc filing dates).
What are the VAT return deadlines UK and MTD requirements?
VAT returns are due 1 month + 7 days after quarter-end. Businesses must submit via MTD-compatible software (vat return deadlines UK, hmrc tax payment dates, hmrc filing dates).
When do I need to submit PAYE, NIC, and CIS to HMRC?
Monthly PAYE, NIC, and CIS submissions are due by the 22nd of each month (hmrc tax deadlines, hmrc tax payment dates).
How can I stay organised with HMRC tax deadlines and avoid penalties?
Keep a calendar of UK tax year dates 2024/25, track hmrc tax payment dates, maintain records for 6 years, and set aside funds to cover taxes (hmrc tax deadlines, end of financial year UK).
What are the key UK tax year dates 2024/25 for sole traders and companies?
Important dates include: self-assessment filing (31 Oct, 30 Dec, 31 Jan), corporation tax payment (9 months + 1 day), VAT returns (quarterly), P60 (31 May), P11D (6 July), confirmation statement (annual) (uk tax year dates, tax year dates 2024, corporation tax deadlines UK, vat return deadlines UK).
How can ARB help with managing tax deadlines and filings?
ARB offers personalised reminders for hmrc filing dates, manages VAT, payroll, corporation tax, and self-assessment, using a digital-first approach with MTD-compatible software (hmrc tax deadlines, corporation tax deadlines UK, vat return deadlines UK).