Ontario Company Key
Request Your Ontario Company Key & Receive it in 10 Minutes!
Company Key Request
Please write Exact Correct Legal name of the Business/Corporation, that is on Business Registration Document
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What is Ontario Company Key:
A company key is a sequence of numbers or characters that works like a bank personal identification number (PIN). Ontario key is used to change the information on record with the Ministry. Ontario Company Key, which is linked to your Ontario Business Registry records. Your Company Key is required to claim authority and gain access to your Ontario Business records. Your key is used to log into the business registration system to give you the authority to change the information on record with the Ministry.
To whom I can share my Ontario Company Key:
As a company key is a secret key it is not wise to give this to anyone. If you plan on having an intermediary (lawyers, paralegals, accountants, etc.) file on your behalf then you can share this key with them. You need to share your company key with them by providing entity name, and OCN (if applicable) to provide delegated authority. We, Business Ontario, also authorized official intermediary of Service Ontario. Any intermediary accessing the entity profile will only have delegated authority, which allows them to file to be completed on your behalf. They will not be able to grant or revoke access to your entity’s profile or regenerate a company key.
Do I need the Ontario company key and why?
If your business was registered or incorporated in Ontario before October 19, 2021, you might not have received a company key. In such cases, you can request one through the Ontario Business Registry’s official service Providers. For businesses registered after that date, the company key is typically provided as part of the registration process.
Without this key, you won’t be able to access or manage your company’s records in Ontario’s system. It’s an essential tool for maintaining compliance with provincial business laws. Here’s why you might need it:
- To update, or manage your company’s information on the Ontario Business Registry
- Filing annual returns
- Updating company information (e.g., directors, addresses)
- Filing notices or amendments

What if I lost my Ontario Company key:
If somehow your Ontario Company key is lost, stolen, or misused, the key-holder must notify the Ministry as soon as they become aware, or if you want you can contact Business Ontario. We will assist & guide you on how to get it in Minutes. The corporation or other business entity is responsible and liable for all filings authorized using the key. Unauthorized use of the key or delegated authority may result in access to the electronic system being suspended.
How to Obtain my Ontario Company Key
Fortunately, Business Ontario Corporates Services has made it quite easy to get an Ontario Company Key. As an official intermediary and leading agency in Ontario, we provide you with your Ontario Company Key in just a few minutes.
Visit the Business Ontario website to have your business or Company key, following the registration steps on this site You will be asked for some simple details on your company or business, such as the legal name and address of your business, and what it does. Upon submission, you will be provided with your Ontario Company Key which unlocks a variety of Government services and benefits in just a few minutes.