Company Incorporation

Representative Office (Thailand)

We help foreign companies establish a Representative Office in Thailand for non-revenue activities such as liaison, market research, sourcing, and quality control—along with registrations and compliance setup.

Who is it for / Suitable for

Foreign companies that want a legal presence in Thailand for liaison and coordination (without generating revenue).

Businesses conducting market research, supplier sourcing, or quality control for the overseas head office.

Companies supporting customers/partners in Thailand through non-sales activities (e.g., information support, product coordination).

Organizations that plan to expand later and want an initial, lower-risk compliance footprint.

Key Requirements

Overseas parent company registration

The parent company must be legally registered overseas.

Non-revenue scope only

The Representative Office cannot earn income in Thailand (no sales, invoices, or service fees).

Defined permitted activities

Typical permitted activities include liaison, market research, sourcing, and quality control.

Thai address & local representative

Registered office address and a Thailand-based authorized person/representative.

Funding & expense remittance

Operating expenses are funded via remittances from the head office.

Accounting & reporting

Maintain Thai-format accounting and meet required filings, even without revenue.

Clients need to provide the following information / documents

Document Name

Notarized

Parent company Certificate of Incorporation

Shows company registration details.

Yes

Memorandum & Articles of Association

Full set from parent company.

Yes

Parent Company Affidavit / Company Profile

Director list, share structure, and business activities.

Yes

Board Resolution

Approving establishment of the Representative Office and appointing authorized person(s).

Yes

Power of Attorney

Appointing a local representative/agent to file and coordinate registrations.

Yes

Passport/ID of authorized representative

Identification of the person responsible in Thailand.

Thailand office address evidence

Lease/consent letter and supporting address documents.

Activity description (permitted scope)

Clear description of the intended non-revenue activities in Thailand.

Funding plan / expense remittance plan

Expected operating expenses and how the head office will remit funds.

Average Processing Time

6–10 weeks

Depending on document legalization requirements and government review timelines.

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What you would get when the application is complete

Representative Office registration confirmation

Official registration details for the Representative Office in Thailand.

Tax ID setup (as applicable)

Tax registration support where required for withholding and employer compliance.

Compliance checklist

Guidelines for accounting, reporting, and ongoing compliance requirements.

On-going Compliance Requirements

To stay compliant after registration:

Maintain Thai-format accounting

Maintain proper accounting books and supporting expense records.

Operate within permitted scope only

No revenue-generating activities; keep activities aligned with the approved purpose.

Tax and employer filings (if applicable)

Withholding tax filings, social security registration, and payroll compliance if hiring staff.

Notify changes

Notify relevant authorities of changes (address, representative, scope) when required.

Government Agencies Involved

Authorities involved in Representative Office registration and compliance:

Department of Business Development (DBD)

Reviews parent company documents and registers the Representative Office in Thailand.

Revenue Department (RD)

Tax registration and compliance oversight (withholding tax and employer compliance as applicable).

Social Security Office (SSO) (if hiring)

Employer registration and monthly contributions when employees are hired in Thailand.

Ministry of Labour (MOL) (if hiring foreigners)

Work permit processes and labour compliance for foreign employees.

Thanks SiamBusinessLaw to helping us draft a strong agreement and help us see through the case until we have an absolute win case. Appreciate your patience and professionalism

Your law firm handles our case very well and professional. Your regular updates allow us a peace of mind an dmake us feel like we are cared for. Your professional advise gave us a peace of mind too.

Your Burmese team is legit. They gave us the attention and respect we have long missed. We appreciate your work to help us get started properly here in Thailand.

Thank you for assisting us with our case with the Thai Revenue Deparment. We are satisfied with the outcome and we think it is fair.

Your due diligence work for our M&A is done with utmost care and accuracy. It's rare to see such work done by a legal firm in Thailand.

Consult With Our Corporate Advisory Team

Our team is ready to guide you through the full process. Reach us on WeChat or WhatsApp.