Witnessed vs Notarised — What's the Legal Difference?

You may have been asked to get a document "witnessed" or "notarised" and wondered whether there is a difference. There is — and it is an important one. Witnessing and notarisation serve different purposes, carry different legal weight, and are appropriate in different circumstances. Getting it wrong can mean your document is not accepted.

The Basic Distinction

In simple terms:

• Witnessing means someone watched you sign a document and can confirm that fact.
• Notarisation means a Notary Public verified your identity, witnessed your signature, and attached their official seal and certificate to authenticate the document.

Notarisation includes witnessing but adds significantly more — identity verification, a notarial certificate, and an official seal with international recognition.

What Does "Witnessed" Mean?

When a document is witnessed, a person (the witness) observes you signing the document and then signs it themselves to confirm they saw you sign. The witness is essentially saying: "I saw this person sign this document."

• Who can witness: Depends on the document. Some documents require a specific type of witness (solicitor, doctor, etc.); others can be witnessed by any adult of sound mind.
• What the witness does: Watches you sign, then signs the document themselves and provides their name, address, and sometimes occupation.
• Legal weight: The witness can be called upon to confirm the signature if the document is later disputed.
• International recognition: A simple witness signature is generally not recognised internationally.

What Does "Notarised" Mean?

When a document is notarised, a Notary Public performs a formal notarial act that includes:

• Identity verification: The notary checks your passport or ID to confirm you are who you claim to be.
• Witnessing the signature: The notary watches you sign the document (or, for certified copies, compares the copy to the original).
• Notarial certificate: The notary attaches a formal certificate recording what they did, when, and for whom.
• Official seal: The notary affixes their unique, registered seal — the mark that gives the document its international authority.
• Protocol entry: The notary records the act in their official register, creating a permanent record.

Notarisation is a significantly more formal and authoritative process than simple witnessing.

Key Differences

• Identity check: Witnessing = usually none. Notarisation = passport/ID verification required.
• Who can do it: Witnessing = varies (often any adult). Notarisation = Notary Public only.
• Certificate: Witnessing = the witness signs the document. Notarisation = formal notarial certificate attached.
• Seal: Witnessing = no seal. Notarisation = official notary seal.
• International recognition: Witnessing = none. Notarisation = worldwide.
• Can be apostilled: Witnessing = no. Notarisation = yes.
• Cost: Witnessing = often free. Notarisation = professional fee applies.
• Permanent record: Witnessing = no formal record. Notarisation = recorded in notary's protocol.

Which Do You Need?

Simple Witnessing Is Sufficient When:

• The document is for domestic use and the instructions only say "witnessed"
• You are signing a deed, contract, or agreement that requires a witness
• The document is not going abroad

Notarisation Is Required When:

• The document is for use in another country
• The instructions say "notarised," "notarized," or "authenticated by a Notary Public"
• The document needs an apostille or embassy legalisation
• A foreign authority, embassy, or institution requires it

Frequently Asked Questions

Is notarisation the same as witnessing?

No. Notarisation includes witnessing but adds identity verification, a notarial certificate, an official seal, and a permanent record. It carries international recognition that simple witnessing does not.

Can I get a document witnessed and notarised at the same time?

Yes. When a Notary Public notarises your document, they are also witnessing your signature as part of the process.

Does a witnessed document have international recognition?

Generally no. For international recognition, you need notarisation by a Notary Public.

Is notarisation more expensive than witnessing?

Yes. Witnessing is often free, while notarisation involves a professional fee. The fee reflects the additional formality, identity verification, and legal authority involved.

Need a Document Notarised?

Contact Hugh Phelan at 021-489-7134 or email info@phelansolicitors.com.