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Mergers & Acquisitions in Thailand: A Legal Overview
  • Blog
  • | 4 June 2025

Mergers & Acquisitions in Thailand: A Legal Overview

Are you considering a merger or acquisition in Thailand but have no idea where to start? Maybe you’re interested in understanding how the law could affect your business? At PDLegal, we understand that navigating the intricacies of mergers and acquisitions in Thailand can be overwhelming. That’s exactly why we’re here to help you along every step of the way, providing straightforward and pragmatic legal guidance tailored exactly to your individual needs.

What Are Mergers and Acquisitions in Thailand?

Mergers and acquisitions involve the consolidation or purchase of companies or their assets. In Thailand, M&A activities are regulated by multiple laws, including the Civil and Commercial Code, the Securities and Exchange Act, and the Foreign Business Act. Understanding these laws is critical because they dictate:

  • How ownership is transferred
  • What approvals are required
  • Restrictions on foreign ownership
  • Procedures for company restructuring

Each M&A deal must comply with these legal frameworks to be valid and enforceable.

Legal Structures for M&A in Thailand

M&A transactions in Thailand can take several forms, such as:

  • Share purchases: Buying shares in an existing company
  • Asset acquisitions: Purchasing specific assets or business units
  • Mergers: Combining two companies into one legal entity

Each structure has different legal implications, tax consequences, and regulatory requirements. For example, share purchases may require approval under the Foreign Business Act if foreign ownership limits are exceeded. Asset acquisitions might involve transfer of taxes or contractual obligations that must be carefully managed.

Key Regulations Affecting Mergers & Acquisitions

Several laws and regulations are particularly relevant to M&A activities in Thailand:

  • Foreign Business Act (FBA): Limits foreign ownership in certain sectors; understanding which businesses require licenses or approvals is vital.
  • Securities and Exchange Act: Applies to listed companies, including rules on tender offers and disclosure obligations.
  • Competition Law: The Trade Competition Act may require notification and approval of transactions that could affect market competition.
  • Tax Regulations: Capital gains tax, transfer pricing rules, and stamp duties can significantly impact deal structuring.

Compliance with these regulations ensures the legality and smooth progress of the transaction.

Due Diligence in Thai M&A Transactions

Due diligence is a critical step in any merger or acquisition. It involves a thorough review of the target company’s legal, financial, and operational status. In Thailand, due diligence typically covers:

  • Corporate structure and ownership
  • Regulatory compliance and licenses
  • Contracts and obligations
  • Employment and labor issues
  • Tax matters and potential liabilities

Effective due diligence helps identify risks, liabilities, or hidden costs that may affect the value or viability of the deal.

Approvals and Notifications Required in Thailand

Depending on the nature of the M&A transaction and the industries involved, several approvals or notifications might be required:

  • Ministry of Commerce registrations or approvals
  • Foreign business licenses under the Foreign Business Act
  • Notifications to the Securities and Exchange Commission for public companies
  • Competition authority clearance for large deals

Understanding these requirements early can prevent delays or penalties.

Common Challenges in M&A Deals in Thailand

Mergers and acquisitions in Thailand may face challenges such as:

  • Restrictions on foreign investors in strategic sectors
  • Lengthy approval and licensing processes
  • Complex tax implications affecting deal pricing
  • Cultural and operational integration post-merger

Awareness and careful planning around these challenges are essential to minimize risks.

Let PDLegal Be Your Trusted Legal Partner in Thailand

At PDLegal, we bring extensive experience in mergers and acquisitions in Thailand, handling both local and cross-border deals for businesses of all sizes—from startups to multinational corporations. Our team is skilled in share and asset acquisitions, regulated transactions, and complex industries. We work closely with specialists to offer tailored advice on tax planning, regulatory compliance, foreign investment, corporate governance, and more, providing practical legal solutions that meet your unique needs.

Conclusion

Mergers and acquisitions in Thailand require careful attention to legal rules and regulations to ensure a smooth process. Understanding key issues like approvals, ownership limits, and due diligence is crucial for any deal.

PDLegal has the expertise to guide you through these complexities with clear, practical advice. Contact us today and let us help you navigate your mergers and acquisitions in Thailand!

Resolve cross-border disputes efficiently with PDLegal Thailand’s expert International Arbitration services. Ensure fairness, enforceability, and speed.



FAQs

What is the threshold for merger control in Thailand?

The merger control threshold in Thailand is triggered when combined assets or revenues of merging companies exceed 3,000 million baht. This rule ensures that mergers and acquisitions in Thailand comply with the Trade Competition Act to prevent anti-competitive practices.

Which country has the most mergers and acquisitions?

The United States consistently leads in global mergers and acquisitions, followed by countries like China and the UK. While Thailand’s mergers and acquisitions market is growing, it remains a key hub for regional cross-border deals in Southeast Asia.

What are two examples of mergers and acquisitions?

Two common examples of mergers and acquisitions are shareholders and asset acquisitions. In Thailand, these are widely used structures in mergers and acquisitions, each carrying different legal and tax implications.

Do you need a Thai partner to open a business in Thailand?

Foreigners often require a Thai partner to comply with the Foreign Business Act when investing in restricted sectors. However, mergers and acquisitions in Thailand can sometimes allow foreign ownership depending on the industry and approvals.

Can foreigners own 100% of a business in Thailand?

Foreign ownership of 100% in a Thai business is possible but limited to sectors not restricted by the Foreign Business Act. Many mergers and acquisitions in Thailand must navigate these ownership rules to ensure legal compliance.

What is the foreign business law in Thailand?

The Foreign Business Act regulates foreign ownership and investment in Thailand. It is a crucial law impacting mergers and acquisitions, as it determines whether foreign investors need licenses or Thai partners.

Does Thailand tax foreign income?

Thailand taxes foreign income only if it is brought into the country within the same tax year. This tax policy is an important consideration in mergers and acquisitions for companies with cross-border operations.

Why is it hard to do business in Thailand?

Challenges in doing business in Thailand include navigating complex regulatory requirements and foreign ownership restrictions under the Foreign Business Act. These factors affect mergers and acquisitions by adding layers of legal and administrative processes.

What is the negotiation style in Thailand?

Negotiation in Thailand typically values relationship-building, patience, and indirect communication. Understanding local business etiquette can be essential in successfully completing mergers and acquisitions in Thailand.

What is the foreign ownership limit in Thailand?

In most sectors, foreign ownership is limited to 49%, unless exemptions apply. This directly shapes the structure of mergers and acquisitions in Thailand, often requiring joint ventures or special approvals.

Disclaimer: This article is intended to provide general information only and does not constitute legal advice. It should not be used as a substitute for professional legal consultation. We recommend seeking legal advice before making any decisions based on the information in this article. PDLegal fully disclaims any responsibility for any loss or damage that may result from reliance on this article.

43. Arbitration Bill and CIPAA Bill 2024
  • Legal Update
  • | 8 November 2025

The Arbitration (Amendment) Bill 2024 And CIPAA (Amendment) Bill 2024: Reshaping Malaysia's ADR Landscape

As we move towards the day that the Arbitration (Amendment) Act 2024 (“Arbitration Bill”) and the Construction Industry Payment and (...)

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