Changes to your business

Legal or trade name changes

Should you wish to change the legal name of your corporation, please email the Articles of Amendment to employeraccounts@wsib.on.ca with your account number in the subject line.

You can change a trade name via email or phone.

Next steps

Once the legal or trade name has been updated, you will 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.

Next steps

Once your address has been updated, it will be visible on your account on online services or any applicable correspondence.