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Thai Notary Law & Service
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Foreign Business Certificate (FBC)

Identify the treaty or relevant promotion basis for an FBC, then match the applicant, activities and evidence. A Foreign Business Certificate is not automatic for every foreign-owned business.

Certification begins with the entitlement relied on and the activities it covers. Foreign incorporation or promotion evidence does not settle every certificate requirement. This guide separates entitlement review, evidence preparation and use of the issued certificate so an enquiry reflects the actual business. It does not establish eligibility or unrestricted permission to operate.

Illustration of project information and corporate document preparation
Illustration; not an actual office or client photograph

Information for a scope review

TopicStarting informationReview question
OperatorOwnership chart and corporate recordsLegal status and correct applicant
ActivitiesServices, counterparties and actual revenuePermission or certification scope
Application basisExisting treaty or promotion evidenceEntitlement and evidenced activities

Identify the entitlement before selecting a certificate route

State whether the enquiry relies on a treaty, investment promotion or another basis requiring assessment, and provide existing evidence. Promotion and foreign business certification are separate steps. If entitlement evidence has not been obtained, assess that route first rather than preparing an application on an assumed right.

Match the entitled party to the applicant and activities

Compare corporate identity, ownership and activities in the supporting evidence with the intended operator. Where several companies or projects are involved, do not transfer one entity’s entitlement to another. Reconcile name changes, directors and ownership records before filing.

Treaty routes have distinct conditions and reservations

Review the agreement relevant to the actual investor nationality, including activities, reservations and eligibility evidence. Do not apply Treaty of Amity conclusions automatically to Japanese or Australian investors. Foreign-side confirmation does not replace the Department of Business Development process.

Read promotion evidence against the proposed business scope

Check the promoted entity, activity and conditions in relevant BOI documents before describing the certificate scope. Revenue and operations outside the promoted project need separate assessment. Do not assume that promotion covers every service offered by the company or future projects.

Review certificate use and later changes

Check the operator, activities, conditions and duties in the document issued, and retain it with the entitlement evidence. Assess proposed changes to ownership, activities or projects before implementation. Tax, land, visa and work-permit rights do not arise universally from an FBC alone.

Prepare the evidence list for an itemised quotation

Send the entitlement basis, documents already issued, ownership chart and activities. Specify whether you need eligibility review, a certificate application or changes to existing records. Request a written quotation separating translation, certification and official fees. Confirm final evidence requirements with the recipient without fixed-time or approval assurances.

Questions before preparing an application

Can every foreign-owned business obtain an FBC?
Not automatically. Identify and assess the entitlement basis, applicant, activities and supporting evidence for the certificate route.
Is a BOI promotion certificate already an FBC?
Do not treat them as the same document. Check the foreign business certification steps and activity scope with the Department of Business Development separately from promotion evidence.
Can Treaty of Amity conclusions be used for every nationality?
No. Review the agreement applicable to the actual investors, together with its conditions, activities and reservations.
Does the certificate cover all company revenue?
Do not assume so. Read the actual activities and conditions. Other operations or revenue outside the entitlement basis require separate assessment.
What if ownership or services will change?
Provide the proposed changes, existing certificate and entitlement evidence for review before proceeding. Do not assume the document covers every new structure or activity.
What should I send to discuss service charges?
Send the intended entitlement basis, existing evidence, ownership chart and activities. Ask for a written quotation after scope review, separating service charges and official fees.

Official sources for requirement checks

General preparation guidance. Check current announcements and project facts before filing; eligibility and approval are not assured.

Compare the FBL licence routeReview incorporation separately from investment permissions