PREMIER LAW FIRM IN THAILAND

Global Standards. Local Expertise. Proven Results.

Trusted for corporate, property, family, immigration, and litigation services across Thailand.

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Inside Siam Legal

Meet our team and see how we turn complex legal matters into clear, confident outcomes.

1,200+

Cases Defended

3,650+

Clients Served

500M

Baht Claims Won

20+

Years of Experience

Legal

Full-service counsel for contracts, compliance, and cross-border transactions.

Immigration

Visas, residency, and citizenship solutions handled end-to-end.

Family

Marriage, custody, adoption, and inheritance guidance with care and precision.

Business

Company registration, BOI, and licensing for foreign and Thai enterprises.

Litigation

Civil, criminal, and commercial representation from strategy to verdict.

Property

Real estate due diligence, contracts, and ownership for local and foreign clients.

Why Clients Worldwide
Trust Siam Legal

Siam Legal is a full-service law firm serving individuals, families, and corporations throughout Thailand and abroad. For over two decades, our attorneys have provided trusted counsel in immigration, corporate and commercial law, property, family matters, litigation, and emerging areas such as cybersecurity and data protection.

With offices in Bangkok, Chiang Mai, Phuket, and Pattaya, we combine international standards with local expertise to deliver clear, results-driven legal solutions.

Immigration & Visa Services
Corporate & Commercial Law
Litigation & Dispute Resolution
Property, Family & Estate Law

Litigation and
Legal Services

Siam Legal’s litigation team provides trusted representation in Thailand’s civil, criminal, cybercrime, and cross-border matters. With decades of experience, our attorneys deliver strategic, results-driven advocacy for both local and international clients across a wide range of legal disputes.

Civil Cases

Contract disputes, debt recovery, personal injury, and malpractice handled with strategic precision.

Criminal Cases

Defense and prosecution for fraud, extradition, narcotics, and white-collar offenses.

Dispute Resolutions

Commercial, labor, and IP conflicts resolved through mediation or arbitration.

Legal Services

Wills, notarization, power of attorney, and investigative support under one trusted firm.

Cybercrimes

Legal support for online fraud, data theft, and digital threats affecting individuals.

International Desk

Trusted legal support for international clients navigating Thailand’s laws and systems.

Marriage in Thailand

We handle registration, translation, and legalization so your marriage is valid in Thailand and recognized abroad.

Prenuptial Agreement

Our lawyers draft and register prenuptial agreements that protect assets and meet Thai and international standards.

Adoption In Thailand

We guide families through domestic and international adoptions with full legal compliance at every stage.

Divorce In Thailand

We manage both contested and uncontested divorces, including custody, support, and property division.

Child Legitimation

We assist with legal recognition of paternity through registration, marriage, or court order.

Thailand Divorce Lawyer

Our experienced family lawyers represent clients in complex Thai divorce and custody disputes.

Company Registration

We provide company registration service pertaining to incorporation of a company limited both Thai-majority and foreign-majority shareholding. It als

BOI Thailand

Our service for application of Board of Investment (BOI) promotion caters to the needs of both local and foreign investors who seek to have their various

Treaty of Amity

We assist US nationals and corporate entities establish their business presence in Thailand through the US-Thai Treaty of Amity. Our service includ

Tax Services

Applications for Foreign Business Licence (FBL) is a requirement for every foreign corporate entity registered under Thai law. The Foreign Business Act

Property Law

Buying property in Thailand as a foreigner requires careful legal planning. Our attorneys handle every stage of the process – from due diligence and contract review to title transfer – ensuring your investment is compliant, protected, and secure.

Beyond transactional work, we provide legal advice on ownership structures, land leases, condominium purchases, and property inheritance, helping clients avoid common pitfalls and safeguard their long-term interests.

Due Diligence

Title Search

Contract Review

Transfer of Title

Thailand Visa

Comprehensive visa support for tourism, retirement, marriage, and business stays in Thailand.

U.S. Visa

Legal assistance for U.S. tourist, fiancé, marriage, and business visa applications.

U.K. Visa

Expert guidance for visitor, spouse, student, and business visas to the United Kingdom.

Canadian Visa

Professional support for Canadian visitor, work, and family sponsorship visas.

Australian Visa

Visa assistance for tourism, work, study, and partner migration to Australia.

Schengen Visa

End-to-end help securing Schengen visas for short- or long-term travel across Europe.

Thailand Elite Visa

The Thailand Elite Visa offers a secure, long-term residence option for investors, professionals, and frequent visitors who value comfort and convenience. As an authorized partner, Siam Legal guides applicants through the full membership process with precision, transparency, and trusted expertise.