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Legal Services — Thailand
Document Notarisation & Legalisation Services
When your documents need to be notarised, certified, translated, legalised or apostilled for use in Thailand or overseas, we can help you establish exactly what is required and ensure the process is handled correctly from the start.
What We Can Help With
Document Services for Foreign Nationals
Foreign nationals in Thailand regularly face situations where official documents — their own or those issued by Thai authorities — need additional certification, authentication or translation before another government department, court, employer, bank or organisation abroad will accept them.
We assist with the following:
Notarisation
Assisting clients with documents that require notarisation by a licensed Notarial Services Attorney in Thailand — including powers of attorney, declarations, affidavits and documents intended for use in foreign jurisdictions.
Certified Copies
Advising on and coordinating certified copy requirements — ensuring the correct person certifies the document in a format that the receiving authority will accept.
Document Legalisation
Helping clients understand and navigate the legalisation process — whether through the Thai Ministry of Foreign Affairs, a consulate, an embassy or the appropriate authority in the client's home country.
Apostille Preparation
Advising on apostille requirements and helping clients prepare documents correctly before submission to the competent authority. We identify what is required and what the receiving organisation will accept.
Certified Translations
Advising on translation requirements and coordinating with certified translation providers — English to Thai and Thai to English — to ensure the format and certification level meets the receiving authority's standards.
Thai Documents for Use Overseas
Assisting foreign nationals who need Thai-issued documents — marriage certificates, company documents, court orders, land title documents — authenticated and translated for use in another country.
Common Situations
When Clients Come to Us
Document certification requirements arise across a wide range of practical situations. Clients most commonly contact us in connection with:
Marriage registration in Thailand — certificates, freedom-to-marry letters, certified divorce decrees
Visa and work permit applications — educational qualifications, professional certificates, police clearances
Property transactions — powers of attorney and supporting documents for the Land Office
Company registration and business matters — director and shareholder identity documents, company certificates for Thai authorities
Inheritance and estate administration — probate documents, wills, letters of administration for use in Thailand
Thai documents needed overseas — marriage certificates, court orders, company documents, title documents authenticated for use abroad
How We Work
Getting Your Documents Right First Time
Document requirements vary depending on the type of document, the country it was issued in, the authority receiving it and what that authority will accept. The most common reason documents are rejected is that the wrong type of certification was obtained — or that requirements were not confirmed before the process began.
Before any certification or legalisation is arranged, we identify exactly what is required.
01
Tell Us What You Have
Describe your document and where it needs to be used. We establish the receiving authority and confirm what they require.
02
Requirements Identified
We advise on the specific certification, authentication, translation or legalisation the receiving authority will accept.
03
Preparation & Assistance
We assist with the appropriate preparation — notarisation, certified copies, translation coordination and document review.
04
Submission to Authority
Where an official authority must act — Thai Ministry of Foreign Affairs, an embassy, a competent authority overseas — we advise on the submission process.
Need the Detailed Rules?
Our Guidance article covers notarisation, certified copies, legalisation, apostilles, certified translations and document chains in detail — including the Hague Apostille Convention, Thai Ministry of Foreign Affairs procedures, UK and foreign documents, and the mistakes that cause most delays.
Read the Notarisation & Legalisation Guide →Frequently Asked Questions
Common Questions
Do all documents need to be notarised?
No. Different organisations have different requirements. Some may only require a certified copy, while others may need notarisation, certified translations or further legalisation. Always check exactly what is required before arranging any appointments.
What's the difference between a certified copy and a notarised document?
A certified copy confirms that a copy matches the original document. Notarisation usually involves an authorised legal professional confirming your identity, witnessing a signature or certifying that specific legal formalities have been completed. They are different services and one does not automatically replace the other.
Do I need to translate documents into Thai?
If you're submitting foreign documents to a Thai government department, court or other official organisation, you may be asked to provide a certified Thai translation. Likewise, Thai documents intended for use overseas often require certified English translations. The exact requirements depend on the authority requesting the documents.
Can any translation company provide certified translations?
Not necessarily. Some organisations require translations prepared or certified by recognised professionals or companies that meet specific standards. Before paying for a translation, confirm that the service will be accepted by the organisation requesting your documents.
How long does the process take?
It depends on the type of document, the countries involved and the authorities responsible for certification or legalisation. Some documents can be completed quickly, while others may require several stages involving different organisations. If your application has a deadline, begin the process as early as possible.
Can a lawyer guarantee my documents will be accepted?
No. A lawyer can advise you, prepare documents correctly and help ensure the appropriate procedures have been followed, but the final decision always rests with the authority receiving the documents. Be cautious of anyone offering guaranteed approval.
Speak with Our Team
Document Notarisation & Legalisation
If you have documents that need notarising, certifying, legalising or translating for use in Thailand or overseas, contact us to discuss what is required.
Lawyers for Expats Thailand. This page is provided for general information only. Document certification, notarisation and legalisation requirements vary by document type, issuing country and receiving authority. Lawyers for Expats Thailand assists with preparation and process guidance — official authentication acts are performed by the relevant government, consular or notarial authority. This page does not constitute legal advice.