Notary Public vs Commissioner of Oaths in Ontario: What’s the Difference?
- mrdnotary
- Feb 21
- 1 min read

If you’re searching for a notary public in Kitchener, you may also see the term commissioner of oaths and wonder:
Are they the same thing?
When a Document is Commissioned:
It will include the commissioner’s signature
It will include the date and location
It will not include a notarial seal (commonly called a stamp)
Commissioners are typically authorized to handle documents used within a specific organization or geographical location.
When a Document is Notarized:
It will include everything that you get on a commissioned document; and
A notarial seal (an embossed seal)
That seal is commonly required when documents are being sent to another province or country.
Why Does the Difference Matter?
Some organizations specifically require:
A commissioner of oaths, or
Some may accept either.
It is not the role of the notary public to decide which one you need — the receiving organization holds this role.
Always follow the written instructions provided by the party requesting the document.
Can Your Office Provide Both Services?
Yes!
Looking for a Notary Public in Kitchener?
Before you come:
Confirm whether the document requires commissioning or notarization
Bring valid government-issued photo ID, the physical copy
Bring the unsigned document
Bring any written instructions from the receiving party
This article is for general information only and is not legal advice. Requirements may vary depending on your situation and the organization requesting your document.

