System Alert:
Company Key Guide: If this is your first time accessing your Ontario Business Registry account, a Company Key is required. Please use this guide to request a Company Key.
Effective February 1, 2025, the Ministry will be expanding the list of Service Providers. If you plan to engage the services of a Service Provider or intermediary, provide them with the Company Key. If you have not obtained the Company Key, please use this guide to request one.
For further details, please consult the Company Key notice.
Resources:
OBR and Canada Revenue Agency (CRA) System Integrations: data exchange details
Note: The Small Claims Court E-Filing Service is available to plaintiffs only for the filing and/or issuance of documents listed in Rule 1.05.3 of the Rules of the Small Claims Court. Other documents may be filed and/or issued through the Justice Services Online (JSO) Small Claims Court Submissions Online Portal (pursuant to Rule 1.05.4), in-person or by email.
Federal Business Number: To confirm or request a new Federal Business Number, contact the Canada Revenue Agency’s Business Number Enquiry Line at 1-800-959-5525. If your Federal Business Number has changed and the OBR is not up to date, contact the ServiceOntario Customer Support Centre at 1-800-361-3223.
Company Key Guide: If this is your first time accessing your Ontario Business Registry account, a Company Key is required. Please use this guide to request a Company Key.
Effective February 1, 2025, the Ministry will be expanding the list of Service Providers. If you plan to engage the services of a Service Provider or intermediary, provide them with the Company Key. If you have not obtained the Company Key, please use this guide to request one.
For further details, please consult the Company Key notice.
Resources:
OBR and Canada Revenue Agency (CRA) System Integrations: data exchange details
Note: The Small Claims Court E-Filing Service is available to plaintiffs only for the filing and/or issuance of documents listed in Rule 1.05.3 of the Rules of the Small Claims Court. Other documents may be filed and/or issued through the Justice Services Online (JSO) Small Claims Court Submissions Online Portal (pursuant to Rule 1.05.4), in-person or by email.
Federal Business Number: To confirm or request a new Federal Business Number, contact the Canada Revenue Agency’s Business Number Enquiry Line at 1-800-959-5525. If your Federal Business Number has changed and the OBR is not up to date, contact the ServiceOntario Customer Support Centre at 1-800-361-3223.
ONe-Key is no longer available for access. If you previously logged into your ServiceOntario Account using ONe-Key, you will need to migrate your account over to My Ontario Account by creating or using an existing My Ontario Account and selecting "yes" when prompted about migration.
If you do not have a previous ONe-Key account, you can create a new My Ontario Account to access ServiceOntario Account services.
For more help setting up your account, please refer to the My Ontario Account help guide.
If you do not have a previous ONe-Key account, you can create a new My Ontario Account to access ServiceOntario Account services.
For more help setting up your account, please refer to the My Ontario Account help guide.