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How Do I Obtain a Tax Number in Ontario?
Posted: 31 Siječanj 2026 07:11 PR.P  
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Hi everyone,


I recently started a small business in Ontario and realized I need to get organized with my finances. I’ve heard about a “tax number” but I’m not entirely sure what it entails or how to apply for one.


Could someone explain the process step by step? Specifically, I’m looking for guidance on when it’s required, whether it differs for sole proprietors versus corporations, and any common pitfalls to avoid. I also want to make sure I understand the rules around tax number Ontario registration and usage.


Thanks in advance!

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Posted: 09 Travanj 2026 03:23 PO.P   [ # 1 ]  
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Hi, congrats on starting your business!

In Ontario (and across Canada), the “tax number” usually refers to a Business Number (BN) issued by the CRA. You’ll need it to handle things like GST/HST, payroll, and corporate taxes. For sole proprietors, you may not need to register right away unless you cross the $30,000 revenue threshold, but corporations are required to register from the start.

The process is fairly simple—you can apply online through the CRA website, and then add specific program accounts (like GST/HST or payroll) depending on your business needs.

If you’re unsure about the setup or want to avoid mistakes, it’s always a good idea to consult professional Accountants in Canada, as they can guide you through registration, compliance, and proper usage from day one.

Hope this helps ????

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Posted: 13 Travanj 2026 06:40 PR.P   [ # 2 ]  
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Posted: 06 Svibanj 2026 06:32 PO.P   [ # 3 ]  
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Getting a tax number in Ontario usually depends on the type of business you’re setting up. If you’re starting a company, the process is often handled alongside your **Ontario company incorporation**, which makes things much smoother.

Once your business is incorporated, you can register for a Business Number (BN) with the Canada Revenue Agency (CRA). This number is used for tax purposes like corporate income tax, GST/HST, and payroll deductions if you have employees.

Many business owners choose to work with professionals during their Ontario company incorporation so they can handle registrations, documentation, and ensure everything is set up correctly from the start. It saves time and avoids mistakes, especially if you’re new to the process.

If you’re unsure where to begin, it’s a good idea to consult a service provider who can guide you step by step.

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