Published November 6, 2020 · Updated November 4, 2026
An overseas bank or property counterparty may ask for documents to be witnessed by a notary public. What does that involve, and will the stamp be accepted abroad?
In this blog, we discuss how a notary public works in Hong Kong. We cover qualifications, services, appointment preparation, the process and fees. We also explain certified copies, apostilles and consular legalisation in 2026.
What Is the Role of a Hong Kong Notary?
A Hong Kong notary is an experienced solicitor appointed by the Chief Judge of the High Court or a designated judge, whose registered seal authenticates documents, signatures and facts for use in Hong Kong and overseas.
Notaries occupy one of the oldest offices in the law, and their core function is fraud prevention. They confirm who signed, that the person understood and agreed to what they signed, and that any copy matches its original. In commercial practice, that seal of integrity is what allows an overseas bank, regulator or counterparty to rely on a document it cannot verify itself.
The eligibility rules are strict. The Hong Kong Judiciary handles appointment applications. Candidates generally need seven years' post-qualification experience as solicitors and must pass the notaries public examination. The court must also be satisfied that they are fit and proper for appointment. Every appointed notary is entered on the register of notaries public maintained by the High Court, and each notary's seal is registered accordingly.
One point surprises many clients: notarisation in Hong Kong is mainly an international service. For purely domestic matters, a solicitor's certification is usually sufficient. A foreign receiving party, such as an overseas bank or court, may require a notary's attestation.
What Services Do Hong Kong Notaries Provide?
Notaries in Hong Kong handle five categories of work for businesses and individuals: attesting signatures, certifying true copies, preparing notarial certificates, administering oaths and declarations, and authenticating corporate documents for use abroad.
Most requests arrive at predictable moments. A company opens a bank account overseas and the bank asks for certified copies of its incorporation documents. A director grants a power of attorney for a property transaction in another jurisdiction. A parent sponsors a visa application and must swear a declaration. In each case, the receiving party wants an independent Hong Kong professional to vouch for the document.
Clients who use our Hong Kong company incorporation services frequently ask us to arrange certified copies of their certificates of incorporation and business registration for foreign banks and subsidiaries. The notary may compare copies with originals provided by the company. For incorporation particulars, the notary may also check official records at the Companies Registry in Hong Kong, subject to the recipient's requirements. Business registration records are held by the Inland Revenue Department.
1. Attesting Signatures and Document Execution
The notary verifies the signer's identity, confirms that the person signs freely and understands the document, then witnesses execution. Powers of attorney, assignments and foreign contracts are the most common examples.
2. Certifying True Copies of Originals
The notary compares a photocopy line by line with the original and certifies it as a true copy. This is standard practice for know-your-customer files, licence applications and identity or academic documents.
3. Preparing Notarial Certificates
Where a receiving authority requires a formal record, the notary issues a certificate stating what was done, when and before whom, bound to the document under the notary's registered seal.
4. Administering Oaths and Declarations
Affidavits for foreign courts or agencies may be sworn or affirmed before the notary, while statutory declarations are solemnly declared before the notary.
5. Authenticating Corporate Documents
Certificates of incorporation, board resolutions and shareholder registers can be notarised as evidence of a company's existence and authority, often alongside apostilles or consular legalisation.
Common Business Documents Requiring Notarisation
| Document | Typical Purpose | What the Notary Does |
|---|---|---|
| Power of attorney | Property deals, litigation or bank mandates abroad | Verifies identity and witnesses execution |
| Certificate of incorporation | Foreign bank account or subsidiary registration | Certifies a true copy against the original or registry record |
| Board resolutions | Offshore subsidiaries and corporate actions | Attests the signer's authority and the resolution's existence |
| Contracts and assignments | Cross-border transactions | Authenticates signatures and document integrity |
| IP or trademark declarations | Registrations in foreign IP offices | Administers declarations and attests their contents |
| Passport and identity copies | Bank KYC, immigration and school applications | Certifies true copies against originals presented |
How Does the Notarisation Process Work Step by Step?
The five core steps are to confirm the destination's requirements, book the appointment and send documents ahead, verify identity and authority, sign before the notary, and then seal, certify and arrange any apostille or legalisation.
The process is straightforward when it is planned around the document's destination. These five steps reflect how appointments run in practice, and skipping the first one is the most common reason documents are rejected abroad.
Step 1: Confirm the Destination Requirements
Before booking, establish what the receiving authority actually requires: notarisation alone, notarisation plus an apostille, or full consular legalisation. The destination's rules, not Hong Kong's, dictate the route.
Step 2: Book the Appointment and Send Documents Ahead
The notary reviews drafts in advance, which avoids repeat visits. Complex corporate instruments may also require the notary to verify corporate authority before signing can take place.
Step 3: Verify Identity and Authority
Each signer presents a Hong Kong Identity Card or passport. Corporate signers may additionally need board resolutions or extracts showing their authority to sign for the company.
Step 4: Sign Before the Notary
Documents are executed in the notary's presence and in person. The notary confirms free will and understanding, and arranges interpretation where a signer is not comfortable in the document's language.
Step 5: Seal, Certify and Arrange Any Apostille
The notary affixes the registered seal, issues the notarial certificate and, where required, lodges the document with the High Court for an apostille or with the relevant consulate for legalisation.
What Should You Bring to a Notary Appointment?
Bring valid photo identification, relevant originals, proof of corporate authority where needed, and the receiving authority's instructions.
Ask the notary which originals are needed before your appointment. Identity copies generally require the original document. For company particulars, official registry records may provide an alternative, depending on the notary's checks and the recipient's requirements.
For foreigners starting a business in Hong Kong, the most frequent requests are certified copies of passports and business registration certificates, which overseas banks and regulators typically ask to see alongside company documents. Non-English documents may also need certified translations depending on the destination.
If the receiving authority has given specific wording or format instructions, bring them in writing. When the destination's requirements are unclear, contact us before booking so the route can be mapped once rather than corrected twice. The table below gives a notary as one example; a solicitor or another authorised professional may also certify copies if the recipient accepts them.
Notarisation, Certified Copies and Apostilles Compared
| Service | What It Confirms | Who Performs It | When It Is Required |
|---|---|---|---|
| Notarisation | Who signed, their identity and free will | A notary public | When required by the receiving party or destination |
| Certified true copy | That a copy matches its original | A notary public | KYC and filings where originals cannot be surrendered |
| Apostille | The origin of a public document, including the signer's official capacity and any seal or stamp | The High Court of Hong Kong | Use where the Hague Apostille Convention applies |
| Consular legalisation | Authentication of a signature, capacity or seal, not endorsement of the contents | The destination country's consulate or the Chinese Foreign Ministry's Hong Kong office, as applicable | Where required for use outside the Convention |
Does Notarisation Make a Document Legally Binding?
No. A notary's seal authenticates the notarial act, such as witnessing a signature or certifying a copy, but does not make the document's contents lawful, enforceable or automatically valid in every country.
The distinction matters commercially. Notarisation authenticates facts: identity, signature, capacity and the integrity of a copy. Whether the underlying document is valid and enforceable depends on its content, the governing law and the receiving authority's own rules.
The same caution applies internationally. A properly notarised document can still be refused abroad if the destination requires an apostille or consular legalisation that was never obtained, or if the receiving authority insists on a particular format or wording. Treating a notary's stamp as a universal guarantee is the most common and costly misconception in cross-border document work.
How Are Apostilles and Legalisation Different from Notarisation?
An apostille is a separate High Court certificate confirming a Hong Kong public document's origin. Consular legalisation is a separate authentication route that may apply outside the Hague system.
Hong Kong applies the Hague Apostille Convention, which replaces chain legalisation with an apostille for eligible public documents between applicable contracting jurisdictions. An apostille authenticates the document's origin; it does not guarantee acceptance of its contents. Check the destination's requirements and any applicable exceptions.
Outside the Convention, consular legalisation may be needed, but requirements vary. China acceded to the Convention on 8 March 2023, and it entered into force for mainland China on 7 November 2023. For Hong Kong notarial documents intended for mainland use, the Chinese Foreign Ministry's Hong Kong office specifies a separate route. They must be issued by a China-appointed attesting officer and verified and forwarded through China Legal Service (H.K.). Confirm the requirements with the receiving authority.
Document Routes by Destination in 2026
| Destination | Route | Key Points |
|---|---|---|
| Hague Convention country | Apostille from the High Court for an eligible public or notarised document, where required | An apostille replaces consular legalisation where the Convention applies |
| Mainland China | Attestation by an appointed attesting officer | China Legal Service verifies, forwards; confirm the receiving authority's requirements |
| Non-Hague country | Notarisation followed by consular legalisation | Allow extra time and per-document consulate fees |
| Hong Kong domestic use | Solicitor certification is usually sufficient | Notarisation is rarely required unless a party insists |
How Are Notarial Fees Calculated in Hong Kong?
Notarial charges vary with the number of documents, their complexity and the time required. Apostilles and consular legalisation incur separate charges when needed.
The notary's professional fee covers verification, attendance and the certificate. As of 4 November 2026, the Judiciary charges HK$125 per apostille application. Consular, courier and translation charges may also apply.
Request a quote for your documents because professional fees vary. A full set of company documents can cost more than a single power of attorney. For businesses that notarise regularly, our legal services in Hong Kong include coordinating notarisation, apostilles and consular legalisation so that documents are prepared correctly the first time.
Conclusion
Notaries public are safeguards, not magic stamps. Notaries help foreign banks, courts and regulators assess Hong Kong documents. Confirm the destination's requirements before the seal is applied. The route may involve notarisation, certified copies, apostilles or consular legalisation.
Choose an appropriately appointed notary and bring valid identification. Ask which originals or official records are needed, and confirm what the receiving authority will accept. The rest is process.
3E Accounting Hong Kong helps companies incorporate, maintain statutory records and expand across borders. When your documents need notarisation, certified copies or apostilles for use overseas, our Corporate Services Provider team coordinates the entire process end to end, from identifying the destination route to lodging the final apostille.
Prepare Cross-Border Documents With Confidence
From powers of attorney to certified incorporation records, our team arranges notarisation, apostilles and consular legalisation for Hong Kong companies. Tell us the destination and we will handle the route.
Frequently Asked Questions
Yes. Hong Kong notaries are practising solicitors of at least seven years' standing who pass the notaries public examination and are appointed by the Chief Judge of the High Court.
No. Notarisation authenticates signatures and copies, but acceptance depends on the destination's rules. An apostille or consular legalisation may be required; check the receiving authority's requirements.
Generally not. Certified true copies are made by comparing a copy with the original, although for company documents the notary can verify contents against official Companies Registry records.
Most documents are notarised in a single appointment, with the certificate issued the same day or within a few working days. Apostilles and consular legalisation add further processing time.
Notarial charges vary with the documents and work involved, so request a quote. As of 4 November 2026, the High Court charges HK$125 per apostille application. Consular legalisation may cost extra.
Abigail Yu
Director
Abigail Yu oversees executive leadership at 3E Accounting Group, leading operations, IT solutions, public relations, and digital marketing to drive business success. She holds an honors degree in Communication and New Media from the National University of Singapore and is highly skilled in crisis management, financial communication, and corporate communications.
