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Notice of Change – Make changes to information for an Ontario Corporation

Do you need to make changes to any of the following details about your Ontario Corporation?

  • Registered or head office address
  • Official email address
  • North American Industry Classification System primary code activity (NAICS code) *
  • Director and/or Officer details (adding and removing individuals, or make changes to their address details)

A Notice of Change (form 5284E) must be filed with the Ontario Business Registry within 15 days after the changes take place.



Only $67.95 plus HST!


*Need help locating your Primary Activity Code?   Click here: North American Industry Classification System  to select the appropriate one.

Don’t have your company key?  Not to worry, Centro Legal Works is a qualified intermediary and can complete corporate filings on your behalf very quickly without the company key.  If you would like to obtain your company key you can do so here: Obtain my Company Key.

Important note, the company key will only be mailed to the business address currently on record with the Ontario Business Registry.  If the address is incorrect, a Notice of Change should be file before requesting the Company Key.  If you are unsure of address information currently on file, an Entity Profile Report (aka Corporate Profile Report) can be ordered.


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