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Tax Deadlines 2025: Key Dates Canadian Businesses Shouldn’t Miss

As a Canadian business owner, staying on top of tax deadlines is crucial for maintaining compliance, avoiding penalties, and ensuring a smooth financial year. Here’s a breakdown of the key tax dates in 2025, along with tools and actionable steps to help you stay organized.

Key Tax Dates for 2025

January 2025

  • January 15, 2025: Installment Payments — Quarterly installment payments for businesses required to remit taxes this way are due.

February 2025

  • February 28, 2025: T4 and T5 Slips Filing Deadline — Employers must file their T4 (Statement of Remuneration Paid) and T5 (Statement of Investment Income) slips with the CRA and provide copies to employees and shareholders.

March 2025

  • March 15, 2025: Installment Payments — Another installment payment date for quarterly remitters.
  • March 31, 2025: Corporation Tax Returns — If your corporation’s fiscal year ended on December 31, 2024, your corporate tax return is due.

April 2025

  • April 30, 2025: Personal Tax Returns — If you’re a sole proprietor or a partner in a partnership, your personal income tax return is due by this date. Any taxes owed must also be paid by this date to avoid interest.

June 2025

  • June 15, 2025: Sole Proprietors’ and Partnerships’ Returns — Sole proprietors and partners have until this date to file their tax returns, though any taxes owing are still due by April 30.
  • June 15, 2025: Installment Payments — Another quarterly installment payment date.

September 2025

  • September 15, 2025: Installment Payments — Businesses paying quarterly taxes must remit their third installment payment.

December 2025

  • December 31, 2025: Year-End Planning — The last day to make certain tax-deductible payments or contributions for 2025. For example, ensure employee bonuses and RRSP contributions are processed if you want them to count for the 2025 tax year.

Ongoing Deadlines

  • GST/HST Filing and Payment: Depending on your reporting period (monthly, quarterly, or annually), ensure you file your GST/HST returns on time. Monthly filers should submit by the end of the following month, and quarterly filers have one month after the quarter’s end.
  • Payroll Deductions Remittance: Businesses with employees must remit payroll deductions (CPP, EI, and income tax) by the 15th of each month for regular remitters.

Tools to Stay Organized

  1. Accounting Software: Platforms like QuickBooks Online and Xero can automate tracking and reminders for tax deadlines.
  2. Calendar Apps: Use tools like Google Calendar or Microsoft Outlook to set recurring reminders for tax filing and payment deadlines.
  3. CRA My Business Account: Register for this online portal to track your tax obligations, file returns, and make payments conveniently.
  4. Expense Tracking Apps: Tools like Wave or Expensify help ensure all deductions are properly recorded and categorized.

Actionable Steps to Meet Deadlines

  1. Create a Tax Calendar: Compile all deadlines relevant to your business and integrate them into your scheduling system.
  2. Organize Records: Regularly update and categorize receipts, invoices, and financial documents to avoid last-minute scrambling.
  3. Engage a Bookkeeper: Partner with a professional to manage day-to-day accounting and ensure accuracy in your filings.
  4. Schedule Regular Reviews: Review your financial data monthly to stay on track and identify potential issues early.
  5. Consult a Tax Professional: Work with a CPA to maximize deductions, understand new tax laws, and strategize for upcoming years.

Stay Proactive

Staying proactive with tax deadlines ensures you avoid unnecessary stress and penalties while positioning your business for financial health. By leveraging modern tools and following a structured plan, you can turn tax season into a seamless process.

Need more guidance?

Reach out to a to Indigo Bookkeeping Services for a tailored strategy that works for your unique business needs.

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