A proper year end checklist Ontario corporation 2026 owners can follow does two things: it stops the scramble in the final week, and it cuts what your accountant charges to clean up afterwards.
Most year-end bills are inflated not by complexity but by disorganisation. Every hour your accountant spends chasing a missing statement is an hour billed at accountant rates.
Work through these twelve steps in order and the year end checklist Ontario corporation 2026 filings require becomes routine.
Where the Year End Checklist Ontario Corporation 2026 Starts
1. Reconcile every bank and credit card account
Every account, to the final day of your fiscal year. Not “mostly reconciled.” Unreconciled accounts are the single most common cause of year-end delays.
2. Clear the uncategorised transactions
Anything sitting in a suspense or ask-my-accountant account needs a home. If you cannot recall a charge, find the receipt now while the vendor still has records.
3. Review accounts receivable
Chase what is collectable. Identify what is not. Genuinely uncollectable invoices may be written off as bad debt, but only if properly documented before year end.
4. Review accounts payable
Enter every bill received before your year end date, even if you pay it in the new year. Expenses belong in the year they were incurred.
The Balance Sheet Items People Forget
5. Reconcile the shareholder loan account
This is where most owner-managed corporations get into trouble.
Money taken out personally sits in this account until it is cleared as salary, dividend or repayment. Leave a debit balance too long and it can be included in your personal income.
Decide on the salary and dividend mix with your accountant before year end, not after.
6. Count and value inventory
A physical count on the last day of the fiscal year. Written down, dated and signed. Estimates do not survive review.
7. Update the fixed asset list
Add what you bought, remove what you sold or scrapped, and keep the invoices. Capital cost allowance depends entirely on this list being accurate.
8. Record accruals and prepaid expenses
Insurance paid twelve months in advance is not a single-month expense. Vacation earned but unpaid is a liability. These entries move real money on the tax return.
Year End Checklist Ontario Corporation 2026: Payroll and HST Deadlines
9. Reconcile payroll to remittances
Total wages and deductions in your books must match what was actually remitted. Differences found in February are cheap to fix; differences found in July are not.
T4 and T5 slips are generally due by the end of February for the preceding calendar year, and the current deadlines are published by the Canada Revenue Agency.
10. Reconcile HST collected and input tax credits
Your HST payable account should agree with the returns you filed. A drifting balance usually means a filing error somewhere in the year.
11. Know your two corporate deadlines
They are different, and confusing them is expensive.
The T2 corporate return is generally due six months after fiscal year end. Any balance of tax owing is generally due two or three months after year end depending on the corporation.
In short: you may file later than you must pay. Interest accrues from the payment deadline, not the filing deadline.
Ontario corporations also have annual return and registry obligations, which are administered through the Ontario Business Registry.
Handing Over Cleanly
12. Assemble one year end package
Give your accountant a single organised folder containing:
- Trial balance, profit and loss, and balance sheet for the year
- Year-end bank and credit card statements for every account
- Loan statements showing principal and interest split
- The signed inventory count
- Fixed asset purchase and disposal invoices
- Payroll summaries and HST return copies
- Minute book updates and any new agreements
A complete package typically reduces year-end fees noticeably, simply because there is nothing to chase.
A Sensible Timeline
Six weeks before year end: review the shareholder loan, decide salary versus dividends, and make any planned capital purchases.
Year end week: count inventory, record final invoices, note closing balances.
First three weeks after: reconcile everything, post accruals, assemble the package.
Month two: hand over to the accountant. Slips are due at the end of February and the pressure only builds after that.
The Bottom Line
The year end checklist Ontario corporation 2026 owners follow is a process, not an event. Corporations that reconcile monthly finish this checklist in days. Corporations that do not spend weeks on it and pay for the privilege.
Treat this year end checklist Ontario corporation 2026 requirements demand as a calendar item, not a fire drill.
Start now and the deadline becomes an administrative date rather than a crisis.
If you would rather hand it off entirely, we handle year end preparation and monthly bookkeeping for Ontario corporations – get in touch and we will tell you honestly how far behind you actually are.
