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Welcome to CPA Ontario Secure Online Services
The one-stop resource where you can log in or register to access all CPA Ontario secure online services.
Now you can log in to many CPA Ontario online services with one CPA Ontario ID and password.
Use your existing login credentials for the sites marked with an asterisk
Need Assistance?
If you require password / username assistance, please contact our Customer Service Centre 1 800 387.0735 (Monday - Friday, 8 a.m. - 6 p.m.) or send us an email
Contact Customer Service