Legal or trade name changes
To change the legal name of your corporation, please submit the Articles of Amendment online or email them to employeraccounts@wsib.on.ca, with your account number in the subject line.
You can change a trade name by sending us a message online, email or phone. Your account changes will be completed within three to five business days of your request submission.
Next steps
Once the legal or trade name has been updated, you'll see it reflected on all future correspondence from us and on your online services account.
Address change
If the physical location, mailing address or branch location of your registered business has changed, you must notify us within 10 days of the material change.
You can update your address online, by email or by mail. Your account changes will be completed within three to five business days of your request submission.
Next steps
Once your address has been updated, it will be visible on your account on online services or any applicable correspondence.