Simplest Way to File Tax Returns........

In Person or By Phone

We help lodging Ontario tax returns from anywhere. Get your biggest
tax refund with no tax knowledge required.

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Key Tax Deadlines in Ontario for the 2025 Tax Year
In Ontario, the deadline to file your personal income tax for the 2025 tax year is April 30, 2026. If you are self-employed, you have until June 15, 2026, to file your tax return, but any balance owing must still be paid by April 30, 2026, to avoid penalties.

Personal Tax Returns
  • Personal tax returns are due on or before April 30 each year
  • Any balance owing must also be paid by April 30
  • Late-filing penalties are 5% plus 1% per month on outstanding balances
  • For repeated late filings, penalties increase to 10% plus 2% per month
  • Interest is charged at the CRA prescribed rate from the due date until payment is received
Business Tax Returns
  • Returns are due on or before June 15 each year
  • Any balance owing must be paid by April 30
  • Late-filing penalties are 5% plus 1% per month on outstanding balances
  • Repeated late filings result in penalties of 10% plus 2% per month
  • Interest applies from the payment due date until payment is received by the CRA
Corporate Tax Returns
  • Corporate tax returns are due six (6) months after the fiscal year-end
  • Any balance owing must be paid three (3) months after the fiscal year-end
  • Late-filing penalties are 5% plus 1% per month
  • Repeated late filings are subject to 10% plus 2% per month penalties
  • Interest is charged at the CRA prescribed rate from the due date until payment is received
Payroll
  • The T4 Summary must be filed by February 28 each year
  • Monthly payroll remittances are due by the 15th of each month
  • Late filings and payments may result in penalties and interest on outstanding balances

Get Your Free Consultation

What to have for your appointment

Income
  • Your ID and Tax File Number
  • Bank details for refund
  • T4 and other income statements
  • Details of spouse taxable income
  • Annual bank statement showing interest earned
  • Annual statement for investment properties
  • Details of foreign income earned
  • Last year tax return
Deductions
  • Property expenses, receipts, mortgage bank statement
  • Business expense log
  • Vehicle and travel expenses (work related)
  • Evidence of donations to charities
  • Annual statement from Investment, Trust or Managed Fund
  • Accountant Fees Invoice for previous year’s tax return
  • Receipts for tools, equipment and uniform
  • Education related expenses

Why Choose AccuInTax

With over 30 years of experience in accounting and tax preparation, I bring trusted expertise, personalized service, and a deep understanding of Canadian tax regulations to every client I serve. My goal is to make your financial life simpler and stress‑free by offering accurate, reliable, and tailored support—whether you’re filing personal taxes, managing self‑employment income, or running a small business. With decades of proven results and client‑focused care, you can feel confident knowing your finances are in knowledgeable and dependable hands.

Services We Offer

Sustainable Business Growth

With utmost foresight, we ensure your growth is not just immediate but enduring, supported by smart planning and proactive advisory services.

Maximizing Tax
Returns

Our tax service focuses on precision and regulatory compliance and to help you achieve maximum tax advantages.

Full Professional
Approach

With client-focused accounting and bookkeeping, we deliver comprehensive service designed to ensure accuracy, compliance, and strategic value.

your trusted partner for accounting