Straight answers, no jargon.
Key dates to remember and checklists you can actually use before you file.
Guides
Straight answers to the questions we hear most.
How much does bookkeeping cost in Ottawa?
A straight answer on fixed fees, clean up projects, and what affects your quote.
Read the guideWhat clean books actually look like
A month end close checklist you can use whether we keep your books or you do.
Read the guideSole proprietor vs incorporation: when the switch pays off
The real trade offs, tax deferral, liability, and share structure, for an Ottawa owner operator.
Read the guideGST/HST for Ottawa small businesses: what to know
Registration, filing frequency, zero rated vs exempt sales, and what to do if you have fallen behind.
Read the guideSwitching accountants in Ottawa without the headache
What actually happens: CRA authorization, records transfer, and timing the move.
Read the guideKey 2026 tax dates for individuals and businesses
Filing deadlines, plus what actually happens if you miss one.
Read the guideKey Dates
Canadian tax calendar, 2026
The dates most individuals and small businesses need. When a deadline lands on a weekend or holiday, it usually moves to the next business day.
| Date | Deadline | Who it applies to |
|---|---|---|
| Mar 2, 2026 | RRSP contribution deadline for the 2025 tax year | Individuals contributing to an RRSP |
| Mar 15, 2026 | First personal tax instalment for 2026 | Individuals who pay by instalments |
| Mar 31, 2026 | T3 trust returns (most trusts with a Dec 31 year end) | Trustees |
| Apr 30, 2026 | 2025 personal income tax return filing and any balance owing | Most individuals |
| Jun 15, 2026 | 2025 personal return filing for self employed individuals (balance owing still due Apr 30) | Self employed and their spouse or partner |
| Last day of Feb | T4, T4A, and T5 information slips to recipients and CRA | Employers and payers |
| 6 months after year end | T2 corporate income tax return filing | Incorporated businesses |
| 2 to 3 months after year end | Corporate tax balance owing (2 months, or 3 for many CCPCs) | Incorporated businesses |
| Varies | GST/HST returns and remittances (monthly, quarterly, or annual) | GST/HST registrants |
| 15th of month | Payroll source deductions (regular remitter) | Employers |
Not tax advice. This calendar is general information. Your dates can differ based on your situation. Ask us if you are unsure.
Read the full guide, including what happens if you miss a deadline and the date that catches the most owners off guard.
Checklists
Get organised before you file
Request any of these as a PDF and we will email it over, or we will walk through it with you on your onboarding call.
Personal tax document checklist
Every slip and receipt to gather for a T1: employment, investments, rental, credits, and deductions.
Request the PDFNew business starter checklist
Registrations, accounts, and decisions to make in your first 90 days, whether you stay a sole proprietor or incorporate.
Request the PDFMonth end close checklist
The steps to a set of books you can trust: reconciliations, accruals, and the review pass.
Request the PDFStill have a question?
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