Key Business Dates for 2025: Stay Ahead with Rosscot

Running a business comes with plenty of deadlines, and staying on top of key financial and regulatory dates is essential for smooth operations. To help you plan ahead, we’ve put together a handy guide of important tax, payroll, and compliance deadlines for Jersey businesses in 2025.

January 2025

  • 15th – Combined Employer Return submission
  • 15th – ITIS (Income Tax Instalment Scheme) Payment
  • 15th – Social Security Payment
  • 31st – Guernsey Company Tax Return for 2023 due

Rosscot Tip: Start the year off right by reviewing your payroll and employer obligations to ensure timely submissions.


February 2025

  • 15th – Combined Employer Return
  • 15th – ITIS Payment
  • 15th – Social Security Payment
  • 28th – 2025 Annual Confirmation submission and payment to JFSC for Jersey Companies
  • 28th – Data Protection registration renewal and payment due for all businesses

Rosscot Tip: Use February to check that your company details and compliance filings are up to date.


March 2025

  • 15th – Combined Employer Return
  • 15th – ITIS Payment
  • 15th – Social Security Payment

Rosscot Tip: Consider reviewing your business cash flow to ensure tax and payroll obligations can be met efficiently.


April 2025

  • 15th – Combined Employer Return
  • 15th – ITIS Payment
  • 15th – Social Security Payment

May 2025

  • 15th – Combined Employer Return
  • 15th – ITIS Payment
  • 15th – Social Security Payment
  • 31st – Personal tax returns due for paper submissions
  • 31st – 2nd personal tax payment for 2024 (for those paying by instalments)
  • 31st – Company payment on account (50% liability) for applicable businesses (20% and 10% companies)

Rosscot Tip: If you pay tax by instalments, ensure your payments are up to date to avoid penalties.


June 2025

  • 15th – Combined Employer Return
  • 15th – ITIS Payment
  • 15th – Social Security Payment

July 2025

  • 15th – Combined Employer Return
  • 15th – ITIS Payment
  • 15th – Social Security Payment
  • 31st – Personal tax returns due for digital return submissions
  • 31st – Jersey Tax: Filing deadline for 2024 non-resident personal and Trust returns

Rosscot Tip: Consider setting calendar reminders for tax filing deadlines to stay ahead.


August 2025

  • 15th – Combined Employer Return
  • 15th – ITIS Payment
  • 15th – Social Security Payment

September 2025

  • 15th – Combined Employer Return
  • 15th – ITIS Payment
  • 15th – Social Security Payment

October 2025

  • 5th – 6th Nov – Renewal of Liquor Licences
  • 15th – Combined Employer Return
  • 15th – ITIS Payment
  • 15th – Social Security Payment
  • End of Month – Jersey Tax: Payment reminders
  • End of Month – Request a Separate Assessment Election

Rosscot Tip: If you hold a liquor licence, ensure renewal applications are submitted before the deadline.


November 2025

  • 15th – Combined Employer Return
  • 15th – ITIS Payment
  • 15th – Social Security Payment
  • Mid Month – ITIS effective rates released
  • 30th – Balance of tax to be paid (tax surcharge date for 2024 year of assessment)
  • 30th – 1st personal tax payment for 2025 (for those paying by instalments)
  • 30th – Corporate and Partnership 2024 Tax Return Deadline

Rosscot Tip: Ensure that any outstanding tax balances are settled before the surcharge deadline to avoid penalties.


December 2025

  • 15th – Combined Employer Return
  • 15th – ITIS Payment
  • 15th – Social Security Payment

Rosscot Tip: December is the perfect time to review your financial performance for the year and start planning for a strong 2026.


Plan Ahead with Rosscot

Staying on top of these deadlines ensures compliance, avoids penalties, and keeps your business running smoothly. Need help managing your tax and payroll obligations? Get in touch with the Rosscot team today for expert guidance and support!

📩 Contact us today to discuss how we can support your business. Let’s make 2025 a stress-free year for your finances!


Tricia Redmond FCCA, Dip IOD, CIPD CPP

DIRECTOR

A queen of multitasking, Tricia works with the whole team and covers all operational areas of the business, covering a little bit of everything.

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