UK Tax Deadlines 2026/2027: The Complete Guide for Businesses and Individuals

One of the first big decisions you’ll face when starting a business or managing your personal wealth in the UK is how to stay on top of your financial responsibilities. Whether you are a sole trader, a limited company director, or an individual with private income, missing a deadline is not just a box ticking exercise it can lead to unnecessary penalties and stress.

Managing your tax calendar ensures you are protected legally and helps you manage your finances more effectively. As the 2026/2027 tax year approaches, here is the comprehensive breakdown of the dates you need to know.

"Staying ahead of your tax deadlines isn’t just about compliance it’s about choosing a path that aligns with your current needs and long term goals."

2026/2027 Tax Calendar

April 2026

• April 5: The 2025/2026 tax year ends; this is the final day for personal tax planning for individuals.
• April 6: The 2026/2027 tax year begins.
• April 7: VAT Return and payment due for quarter ending February 28.
• April 19: CIS return filing due.
• April 22: PAYE electronic payment due.
• April 30: Additional PAYE electronic deadline (month end processing).
• April 30: Corporation Tax due for companies with year end July 31, 2025.

May 2026

• May 7: VAT Return and payment due for quarter ending March 31.
• May 19: CIS return filing due.
• May 22: PAYE electronic payment due.
• May 31: Corporation Tax due for year end August 31, 2025.

June 2026

• June 7: VAT Return and payment due for quarter ending April 30.
• June 19: CIS return filing due.
• June 22: PAYE electronic payment due.
• June 30: Corporation Tax due for companies with year end September 30, 2025.

July 2026

• July 6: Deadline to provide P60s to employees for the 2025/2026 tax year.
• July 7: VAT Return and payment due for quarter ending May 31.
• July 19: CIS return filing due.
• July 22: PAYE electronic payment due.
• July 31: Second Payment on Account due for individuals and sole traders for the 2025/2026 tax year.
• July 31: Corporation Tax due for year-end October 31, 2025.

August 2026

• August 7: VAT Return and payment due for quarter ending June 30.
• August 19: CIS return filing due.
• August 22: PAYE electronic payment due.
• August 31: Corporation Tax due for year end November 30, 2025.

September 2026

• September 7: VAT Return and payment due for quarter ending July 31.
• September 19: CIS return filing due.
• September 22: PAYE electronic payment due.
• September 30: Corporation Tax due for year end December 31, 2025.

October 2026

• October 5: Deadline for individuals to register for Self Assessment if you are newly self employed or have new untaxed income.
• October 7: VAT Return and payment due for quarter ending August 31.
• October 19: CIS return filing due.
• October 22: PAYE electronic payment due.
• October 31: Paper Self Assessment tax return deadline for 2025/2026.

• October 31: Corporation Tax due for year end January 31, 2026.

November 2026

• November 7: VAT Return and payment due for quarter ending September 30.
• November 19: CIS return filing due.
• November 22: PAYE electronic payment due.
• November 30: Corporation Tax due for year-end February 28, 2026.

December 2026

• December 7: VAT Return and payment due for quarter ending October 31.
• December 19: CIS return filing due.
• December 22: PAYE electronic payment due.
• December 30: Deadline for online filing if you want HMRC to collect tax via your tax code (for debts under £3,000).
• December 31: Corporation Tax due for year end March 31, 2026.

January 2027

• January 7: VAT Return and payment due for quarter ending November 30.
• January 19: CIS return filing due.
• January 22: PAYE electronic payment due.
• January 31: Self Assessment Deadline. Online filing and payment of tax for 2025/2026.
• January 31: First Payment on Account due for the 2026/2027 tax year.
• January 31: Corporation Tax due for year end April 30, 2026.

February 2027

• February 7: VAT Return and payment due for quarter ending December 31.
• February 19: CIS return filing due.
• February 22: PAYE electronic payment due.
• February 28: Corporation Tax due for year end May 31, 2026.

March 2027

• March 7: VAT Return and payment due for quarter ending January 31.
• March 19: CIS return filing due.
• March 22: PAYE electronic payment due.
• March 25: End of year PAYE and NIC submissions due.
• March 31: Corporation Tax due for year end June 30, 2026.

Essential Reminders for the Year Ahead

For Individuals and Sole Traders

Being a sole trader is the most common setup for small businesses because it is simple to manage. However, remember that you are personally responsible for all debts. Staying on top of your January and July payment dates is vital to avoiding personal financial risk.

For Limited Company Directors

Your structure offers limited liability and can be more tax-efficient as your income grows. However, it comes with more admin, such as strict record keeping and public filings with Companies House.

Let Us Handle the Calendar

Managing deadlines shouldn't be your full time job running your business should be. The right support can ensure you never pay a penny more in tax than necessary and never miss a filing date.

Ready to stop worrying about the dates? Whether you need a one off tax return or comprehensive monthly support, we’re here to help.

• Enquire Today: Send us a message to see how we can simplify your accounting.

• Get a Quote: Reach out for a tailored price for your specific business needs.

Laying the Right FoundationYour business structure and compliance set the tone for how you operate and grow. Let's make sure that foundation is rock solid for the 2026/2027 year.

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