For small business owners in Canada, reaching the right CRA small business contact can save time and prevent costly mistakes.
The Canada Revenue Agency (CRA) provides dedicated phone lines, online services, and secure correspondence options to assist with tax filing, payroll, GST/HST, objections, and account updates.
Knowing which number to call and what information to prepare ensures faster resolutions and fewer delays.
CRA Small Business Contact: How to Contact CRA for Small Business
1. Main CRA Business Enquiries Line
The primary number for most business-related questions is 1-800-959-5525.
Hours: Monday to Friday, 8:00 a.m. – 8:00 p.m. (Eastern Time).
This line covers:
- Payroll deductions and accounts
- GST/HST enquiries
- Registering for a business number
- Updating business information
- Canada Carbon Rebate (CCR) for Small Businesses
Regional and international access:
- Yukon, NWT, Nunavut: 1-866-841-1876
- Outside Canada/US: 1-613-940-8497
2. Corporate Income Tax (T2) Enquiries
- Toll-free: 1-800-959-2803
- Outside Canada/US: 1-613-221-3223
Hours: Monday to Friday, 9:00 a.m. – 4:00 p.m. ET
3. Payment Arrangements for Business Debt
- GST/HST debt: 1-877-477-5068
- Payroll debt: 1-877-548-6016
- Corporate income tax debt: 1-866-291-6346
- Outside Canada/US: 1-613-221-3003
Hours: Monday to Friday, 8:00 a.m. – 8:00 p.m. ET
4. Filing, Objections, and Reviews
- Objection status: 1-800-959-5513
- Outside Canada: 613-940-8563 (collect calls accepted)
- GST/HST registration: 1-833-566-5419
- T2 review: 1-833-566-5421
You can also use the CRA’s Objection Progress Tracker in My Business Account or Represent a Client.
5. CRA Online Services for Businesses
Many issues can be resolved without calling an agent:
- My Business Account: Manage business tax information, file returns, and track correspondence.
- Represent a Client: Allows accountants and authorized representatives to act on your behalf.
- Email notifications: From May 12, 2025, most CRA business correspondence will be sent online. Up to three email addresses can be registered per account.
Best Practices Before Calling CRA
- Have your business number (BN), legal name, mailing address, and recent tax documents ready.
- Confirm that you are authorized to speak on behalf of the business.
- Take note of the agent’s ID and details of the call for your records.
- Call during non-peak hours to reduce wait times.
Other CRA Contact Options for Small Business
- Mail: Most tax forms can be mailed to the nearest tax services office or processing centre.
- In-person: CRA liaison officers provide free, confidential business tax guidance.
- Fraud and security issues: Call 1-800-959-5525 or the automated fraud line 1-800-265-2577.
FAQ: CRA Small Business Contact
1. What is the CRA small business contact number?
The main CRA small business enquiries number is 1-800-959-5525, available Monday to Friday, 8:00 a.m. – 8:00 p.m. ET.
2. How do I contact CRA about corporate income tax?
For T2 corporate income tax enquiries, call 1-800-959-2803 or 1-613-221-3223 if outside Canada.
3. Can I contact CRA online for my small business?
Yes. Use My Business Account or Represent a Client to manage taxes, file returns, and track correspondence securely.
4. What information do I need before calling CRA for business?
Prepare your business number, legal name, mailing address, recent tax notices, and authorization details.
5. How do I contact CRA about GST/HST?
For GST/HST enquiries, call the main business enquiries line 1-800-959-5525 or the dedicated registration line 1-833-566-5419.
6. Can CRA small business contact help with payment arrangements?
Yes. CRA provides separate numbers for GST/HST, payroll, and corporate tax debts to arrange payment plans.
7. Does CRA send business correspondence by email?
Starting May 12, 2025, most CRA correspondence will be available only through My Business Account. Email notifications will alert you when new mail arrives.
