Updated Checked by the Tax-Services.ca editorial team How we check
Accounting standards in Canada come from the Accounting Standards Board (AcSB), and which set you follow depends on who you are. Public companies use IFRS Accounting Standards, and most private businesses use the Accounting Standards for Private Enterprises, known as ASPE.
That one split answers most of the worry about keeping up. If you run a small private company, most headline changes aren’t yours to chase.
Which accounting standards apply to you?
Canada adopted IFRS for publicly accountable enterprises from 1 January 2011, according to the IFRS Foundation’s Canada profile. That covers entities with debt or shares traded in a public market. Private enterprises and not-for-profits can choose IFRS or a Canadian set written for them.
ASPE sits in Part II of the CPA Canada Handbook. The AcSB also adds IFRS to the Handbook, and securities rules make it binding for listed companies. So there’s one body behind both sets, but two different rulebooks.
| Who you are | Usual framework | Who sets it |
|---|---|---|
| Public company | IFRS Accounting Standards | IASB, endorsed by the AcSB |
| Private company | ASPE or IFRS, your choice | AcSB |
| Not-for-profit | Separate Canadian standards or IFRS | AcSB |
| Sustainability reporting | CSDS 1 and CSDS 2, voluntary | CSSB |
In real life, the choice often isn’t yours alone. A small manufacturer in Kitchener that owns its own building and borrows from a bank will usually follow ASPE because its accountant does, and because the lender is happy with it. Switching to IFRS would cost money and add disclosure work for very little gain. Ask the accountant who signs your statements which framework they use before you ask anything else.
What changes are already dated?
Only a few. IFRS 18 replaces IAS 1 and applies to annual periods starting on or after 1 January 2027. It brings defined subtotals for operating profit in the income statement and asks companies to disclose the performance measures management uses in public communications.
Here’s a worked timing example. A listed company with a December year end first applies IFRS 18 to the year starting 1 January 2027. FRAS Canada notes it applies retrospectively, so the 2026 comparative figures get restated too. That means the preparation falls in 2026, before the first 2027 figure is booked.
On the private side, the ASPE page lists a 2026 to 2027 package of minor amendments. What it changes isn’t spelled out in the pages I read, so check the ASPE page before you assume it touches you.
Where do sustainability standards fit?
The Canadian Sustainability Standards Board issued CSDS 1 and CSDS 2 on 18 December 2024. They’re voluntary unless regulators or governments mandate them, and no mandate turned up on the pages I checked. If you’re a small business with no public investors, you can treat them as background reading for now.
The AcSB is also deliberating feedback on its 2027 to 2032 draft strategic plan. It’s the plan that will steer its priorities after the current 2022 to 2027 one, and it’s still a draft.
How do you keep up without reading every update?
Pick one habit and stick to it. Open the AcSB and ASPE pages once a quarter, look at the effective dates list, and write down anything with a date in the next eighteen months. Often nothing applies to you. That’s fine.
Then look at what a change would touch in the numbers. Payroll, margins and tax are where small firms feel reporting rules first, so keep the payroll remittance calculator, the profit margin calculator and the corporate tax calculator open when you ask what a rule does to your results. For the wider set of tools, see the business tax hub.
Does an accounting change alter your tax bill?
Not directly, and that’s the part people miss. Your financial statements follow the accounting standards. Your tax return follows the Income Tax Act. They start from the same numbers but get to different totals, which is why a company can show an accounting profit and a different taxable income. If a standard changes how revenue appears on your statements, the tax rules don’t move on their own.
Mistakes and limits
The most common slip is reading a news item about IFRS and assuming ASPE followed. It often doesn’t, and when it does the date and wording can differ.
The second is mixing up accounting profit with taxable income. They’re calculated under different rules, and the calculators here work from tax rules, not from your financial statements. Fees and software aren’t covered, because none could be verified, and nothing here says which one suits you. For a real filing question about your own statements, ask the accountant who signs them.
Where the numbers come from
Dates and scope come from the IFRS Foundation (Canada jurisdiction profile and the IFRS 18 page), FRAS Canada for the AcSB, ASPE and CSSB pages, all read on 30 September 2026. This site has no link to any of them or to any government body.
Frequently asked questions
Who sets accounting standards in Canada?
The Accounting Standards Board (AcSB) sets them for Canadian entities outside the public sector. It adopts IFRS Accounting Standards and writes ASPE for private enterprises.
Do private companies have to use IFRS?
No. Private enterprises can choose ASPE or IFRS. IFRS is required for publicly accountable enterprises, which means entities with debt or equity traded in a public market.
When does IFRS 18 start?
For annual reporting periods beginning on or after 1 January 2027, with early use allowed. It replaces IAS 1.
Are the Canadian sustainability standards mandatory?
CSDS 1 and CSDS 2 are voluntary unless regulators or governments mandate them. We found no mandate on the pages we checked.
How often do accounting standards change?
There's no fixed rhythm we could confirm. The AcSB runs a multi-year strategic plan (2022 to 2027 now, 2027 to 2032 in draft) and issues amendments as projects finish.
All family and benefits calculators
- Self-employed taxes in Canada: income, CPP and GST
How tax works when you are self-employed in Canada: reporting income and expenses, paying both halves of CPP, instalments and when to register for GST