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CRA

How to Register for CRA My Business Account

Business owners sign in to their CRA account and select Business account from the Welcome page. You need your 9-digit business number and your SIN linked to it. Accountants and employees use Represent a Client instead.

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What you can do in My Business Account

  • Manage GST/HST, payroll, corporation income tax, excise taxes and excise duties
  • View and pay your balance
  • Set up direct deposit
  • Arrange payments for tax debts of $1,000 or more
  • View online mail (most business mail is online by default)

Step by step

  1. Sign in to your CRA account (or register first).
  2. Select Business account on the Welcome page.
  3. Enter your 9-digit business number (BN).

    Not a 10-digit Québec Enterprise Number (NEQ) or an Ontario Business Identification Number (BIN).

  4. Link your SIN to the BN if it isn't already.

    You may be asked whether you have filed a GST/HST or T2 return, and for details from an assessed return.

  5. Accept the terms and conditions if asked.

Phone numbers

CRA business enquiries

1-800-959-5525

Monday to Friday, 8 am to 8 pm Eastern time

From outside Canada and the U.S.: 1-613-940-8497 (collect calls through an operator)

Related

CRA Phone Number and Contact Numbers (2026): Every Line and Hours The main CRA phone number is 1-800-959-8281 for personal tax and CRA account questions. For benefits like the Canada child benefit call 1-800-387-1193, and for businesses 1-800-959-5525. All three are open Monday to Friday, 8 am to 8 pm Eastern time, and closed on weekends and public holidays. How to Register for CRA Represent a Client (Help a Family Member or Client) Represent a Client is the part of your own CRA account used to manage someone else's tax information, such as a parent, friend or client. Sign in, select Add account, choose Representative account, register yourself or your business, then get the person's authorization. 1-800-959-5525: CRA Business Enquiries Line Businesses call 1-800-959-5525 for payroll, GST/HST, corporate tax, My Business Account and Represent a Client, payments and locked business accounts. Open Monday to Friday, 8 am to 8 pm Eastern time. From outside Canada and the U.S., call 1-613-940-8497.

Sources

North Help Desk is an independent guide, not a government website. Rules, amounts and phone hours can change; always confirm on the official page before you act. Spotted something out of date? Tell us.