Are electronic signatures legally binding in Ontario?
Written by For Founders Law, a Toronto firm licensed by the Law Society of Ontario. About us
Short answer
Yes, for most business documents. Ontario's Electronic Commerce Act, 2000 says a legal requirement for a signature can be met by an electronic signature, and contracts can be formed electronically. A few kinds of documents are excluded from the Act, such as wills and powers of attorney, and the practical question is usually proving who signed, which a good e-signature platform helps with.
For an Ontario startup, signing customer contracts, contractor agreements, NDAs and board consents electronically is normal and generally valid. The law cares less about the technology than about whether the person meant to sign and whether you can prove it.
What does Ontario law say?
Ontario’s Electronic Commerce Act, 2000 says a legal requirement that a document be signed is satisfied by an electronic signature (s. 11), and that an offer and acceptance can be made electronically, including by clicking (s. 19). An electronic signature is broadly defined in s. 1 as electronic information a person creates or adopts in order to sign a document, that is in, attached to or associated with it. A typed name, a drawn signature or a platform-generated signature can all qualify.
The Act also says no one is required to use or accept electronic documents without their consent, which can be inferred from conduct (s. 3). Signing through a platform your counterparty chose is usually enough.
Which documents are excluded?
Section 31 of the Act lists the documents it doesn’t apply to: wills and codicils, trusts created by wills or codicils, powers of attorney for an individual’s financial affairs or personal care, negotiable instruments (such as cheques and promissory notes), documents of title, and any documents prescribed by regulation. Documents dealing with interests in land used to be on the list, but that exclusion was repealed in 2015. Other statutes can also set their own signing rules, so check before signing anything unusual electronically.
Is a typed name in an email enough?
It can be. Courts have accepted email exchanges and typed names as signatures where the intent to be bound was clear. It’s weaker evidence than a signing platform, though, because it’s easier to dispute who sent it, which version was agreed, and whether the parties meant the email to be the final contract.
| Method | Evidence of who signed and what |
|---|---|
| E-signature platform with audit trail | Strong: identity, timestamp, IP address and a locked final copy |
| Clickwrap acceptance with logs | Strong for online terms, if you keep the logs |
| Signed PDF returned by email | Reasonable, if you keep the email |
| Typed name in an email | Weaker; depends on context |
What about corporate documents?
Directors’ and shareholders’ resolutions, share certificates and agreements are commonly signed electronically. Your company’s by-laws and the corporate statute matter here, so check them before your first electronic board consent. Investors will look at the minute book in due diligence.
How do I make an e-signed contract easier to prove?
- Use a platform that produces an audit trail and a locked final PDF.
- Make sure the signer is authorized to bind the company, and that the signature block names the company, not only the person.
- Send the final, complete version for signature, with all schedules attached.
- Store the signed copy and certificate in one place.
What to do next
We prepare and review commercial contracts, including contract reviews and NDAs, at fixed fees on our fees page.
This guide is general information about Ontario and Canadian law, not legal advice for your situation. If you’re unsure whether a document can be signed electronically, book a free 15-minute consult.