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Mergers & Acquisitions in Thailand: Legal Challenges to Watch Out for in 2025

Mergers and acquisitions (M&As) continue to be a popular strategy for companies seeking growth, market expansion, or operational efficiencies in Thailand. However, as the business landscape evolves, M&As in Thailand also come with increasingly complex legal challenges. Understanding the potential hurdles and how to address them is crucial for businesses aiming to navigate the Thai regulatory and legal environment successfully. Here’s a look at the key legal challenges that companies should be aware of when engaging in M&As in Thailand in 2025.

1. Regulatory Approvals and Compliance

The Thai legal framework governing M&As is strict, with various regulatory bodies involved in reviewing transactions. For both domestic and foreign investors, obtaining regulatory approval is a critical step in any merger or acquisition process.

  • Antitrust and Competition Law: The Thai Trade Competition Act (2017) is designed to prevent monopolies and unfair trade practices. M&As that result in the creation of monopolies or anti-competitive situations may require approval from the Thai Trade Competition Commission (TCC). In some cases, the commission may impose conditions or prohibit the deal altogether if it harms market competition.
  • Sector-Specific Approvals: Certain industries, such as banking, telecommunications, insurance, and energy, are subject to additional regulations. For instance, foreign investors may need to meet specific requirements set by regulatory bodies like the Bank of Thailand or the National Broadcasting and Telecommunications Commission (NBTC) to ensure compliance with sector-specific laws.

In 2025, M&A transactions in these regulated industries are likely to face increased scrutiny, especially as the Thai government emphasizes market fairness and transparency. Companies must be prepared to meet stringent compliance standards to avoid delays or even rejection.

Regulatory Approvals and Compliance

2. Foreign Ownership Restrictions

Thailand has strict foreign ownership laws that govern the extent to which non-Thai nationals can control businesses in certain sectors. This is particularly relevant in M&A transactions, as foreign investors may face limitations on acquiring a controlling interest in Thai businesses.

  • Foreign Business Act (FBA): Under the FBA, foreign ownership in certain sectors is limited to 49%, with a few exceptions where foreign investment is allowed up to 100%. This means that foreign investors cannot fully acquire or merge with certain businesses unless they obtain special permission from the Thai government. As M&A activities in Thailand often involve foreign buyers or investors, understanding these restrictions is crucial.
  • Foreign Direct Investment (FDI) Policy: In recent years, Thailand has been striving to attract foreign investment through various incentives and the promotion of foreign direct investment in industries like technology, digital innovation, and high-value manufacturing. However, the rules around foreign ownership are still tightly regulated, and companies must carefully navigate these restrictions when structuring an M&A deal.

For foreign investors, these restrictions can pose significant challenges, particularly when attempting to acquire a majority shareholding in a Thai company. Legal counsel should be sought early in the process to determine if these restrictions apply and to explore possible solutions, such as joint ventures or partnerships.

3. Due Diligence Challenges

One of the most important aspects of any M&A transaction is the due diligence process, which involves reviewing the financial health, legal standing, and operational aspects of the target company. While due diligence is a critical step in mitigating risk, in Thailand, there are several challenges that companies need to be aware of.

  • Incomplete or Inaccurate Records: Thai businesses, especially small and medium-sized enterprises (SMEs), may not always maintain accurate or up-to-date records. Incomplete or inaccurate financial statements, tax records, and contracts can complicate the due diligence process. For example, tax compliance issues or unreported liabilities can be discovered during due diligence, potentially increasing the costs or risk of the transaction.
  • Legal Liabilities and Disputes: It’s essential to identify any ongoing or potential legal disputes that the target company might be involved in. This can include lawsuits, labor disputes, or regulatory compliance issues. Without a thorough investigation of these matters, the acquirer could be saddled with liabilities that may significantly affect the value of the transaction.
  • Intellectual Property and Licensing: In industries where intellectual property (IP) plays a significant role, it’s important to review the target company’s IP portfolio to ensure it is properly protected and free from disputes. Issues related to licensing agreements or the ownership of key IP assets can be contentious in M&A deals, and failure to address these matters can lead to costly post-transaction disputes.

In 2025, businesses should be prepared for more stringent due diligence processes, especially with a greater focus on sustainability, data protection, and intellectual property rights.

4. Cross-Border Tax and Legal Implications

Many M&A transactions in Thailand involve international parties, and cross-border considerations can add layers of complexity to an already intricate legal landscape. Legal and tax considerations are vital to ensure the transaction is structured in a way that minimizes potential liabilities and maximizes financial benefits.

  • Double Taxation: Thailand has tax treaties with several countries, but these treaties may not always provide relief from double taxation on cross-border transactions. Understanding how these treaties work and structuring the deal to avoid excessive tax liabilities is crucial, especially in an increasingly globalized economy.
  • Transfer Pricing: With the Thai Revenue Department increasingly focusing on transfer pricing regulations, companies involved in international M&As must ensure that their transfer pricing policies comply with Thai law. The Thai government has adopted stricter guidelines around transfer pricing documentation, and failure to adhere to these rules can result in hefty penalties or adjustments to taxable income.
  • Expatriate Taxation: If the M&A involves key executives or employees who are expatriates, issues related to work permits, visas, and personal income tax obligations may arise. The Thai tax system is evolving, and expatriates involved in M&As may face increased scrutiny of their tax filings in 2025, including compliance with personal income tax on both local and global income.

Cross-border M&As in Thailand in 2025 will require careful tax planning, and businesses should engage both Thai and international tax experts to navigate this complex area effectively.

Cross-Border Tax and Legal Implications

5. Labor and Employment Considerations

The labor laws in Thailand can be complex, and M&A transactions often trigger employment-related issues, especially when employees are transferred from one entity to another. Companies need to understand the potential legal implications concerning employment contracts, employee benefits, and labor unions.

  • Employee Rights and Severance: Thai labor law mandates that employees have certain rights, including severance pay, in the event of layoffs or restructuring following an M&A. Any workforce reductions or changes to employee terms must comply with these laws, which can significantly increase the costs of restructuring or integration after an acquisition.
  • Union and Collective Bargaining Agreements: In certain industries, unions and collective bargaining agreements play an important role in protecting employees’ rights. If the target company has a unionized workforce, negotiations may be required to ensure a smooth integration. Failure to address union issues appropriately can lead to labor disputes or even delays in the transaction process.

M&As in Thailand will require businesses to engage with labor law experts to ensure compliance with employment regulations and avoid costly legal disputes.

Conclusion

Mergers and acquisitions in Thailand present a wide range of opportunities but also come with distinct legal challenges. Navigating regulatory approvals, foreign ownership restrictions, due diligence, tax implications, and labor laws are critical to a successful transaction. As Thailand’s legal and economic environment continues to evolve, businesses engaging in M&As must stay informed and work closely with legal, tax, and business professionals to minimize risks and ensure compliance. By doing so, companies can avoid potential pitfalls and maximize the value of their M&A ventures in 2025 and beyond.