Authorize a representative or cancel their authorization. Your Ontario Business Number is attached to your Master Business Licence. The Ontario corporation number is issued by the Ontario Ministry of Government and Consumer Services. I have an Ontario corporation and a corporation number. I can't seem to find anything like that on my certificate of incorporation or even on google!! For example, 1234567 Ontario Inc. Where the number, 1234567, is assigned at the time of registration; the “Ontario” represents the jurisdiction of registration (this is also the Corporation Number); followed by the legal ending of choice (in this case Inc.). When I try to register with the CRA for a business number, it asks for a certificate number. An information sheet for corporations about why they need to register their business name, who must register, how to register and other important information. The Business Names List provides the name and BIN number of any current Master Business Licences (operating names) currently held by a corporation. Ontario registration fees. Request an Ontario Corporation number if you have a federally or extra-provincial (domestic and foreign) incorporated business. Ontario corporation Number Write down the number (if there is one). Copies of Ontario’s registration form and your Ontario Business Number TOLL FREE: 1-800-280-1913 | LOCAL: 416-599-9009 TOLL FREE: 1-800-280-1913 For common business changes, make updates online, inform the CRA, and other actions. If the corporation will commence business in the future, you will need to register with Ontario within 60 days of the day on which that business commences. Important information Office hours have changed to 8:30 a.m. to 4:00 p.m. ServiceOntario will continue to process your request. A foreign not-for-profit corporation must file an Initial Return/Notice of Change by an Extra-Provincial Corporation (Form 2 under the Corporations Information Act) with supporting documents with the Ministry of Government and Consumer Services to obtain an Ontario Corporation Number (OCN). This is in addition to the business name registration. Business licence. A Business licence is required by businesses in order to operate in Ontario. 11 Indicates the type of corporation: 9: Refers to corporations created before 1908 that did not file statutory documents (such as Write down the information you find, including the dates of creation and dissolution. There are no fees for registering with the province of Ontario. The corporation number, jurisdiction, and legal ending make up the company name. Once you have consulted the index, go section D to The business number includes Goods and Services Tax (GST)/Harmonized Sales Tax (HST), payroll deductions and/or corporate income tax. 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