Federal tax information 

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Get information about federal taxes and how they affect your business. Learn about GST, HST, payroll deductions, income tax and more.

Registrations and general taxation information

  • Business Number (BN)

    Your Business Number is your single account number for dealing with the federal government regarding taxes, payroll, import/export and other activities.

  • Business registration online

    Register for a business number, GST/HST, corporation income tax, payroll and import/export accounts in one convenient online location.

  • Tax information for business

    Access Canada Revenue Agency's business section to browse the tax-related information that you need.

  • Guide for Canadian Small Businesses

    Learn about the different forms of taxation and find out how to keep records, submit reports and payments for GST/HST, excise taxes, income taxes, payroll deductions, and more.

  • CRA checklist for small businesses

    Use this checklist from the Canada Revenue Agency to help you understand each stage of the lifecycle of your business.


For businesses in Quebec, Revenu Québec administers the GST/HST.

    Interacting with CRA

    Income tax

    Non-profits and charities


    • Payroll

      Find out how to deduct Canada Pension Plan contributions, Employment Insurance (EI) premiums and income tax from your employees pay, and report them to the CRA.

    Underground economy

    • Will you do the job for cash?

      Cash payments you receive are subject to GST/HST and you have to report them on your annual income tax return.

    • Underground economy

      Arm yourself with information about the underground economy and learn how tax evasion affects all Canadian individuals and businesses.