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About Us

About OSP LEGAL — A Full Service Law Firm in Thailand

OSP LEGAL is a full-service law firm providing comprehensive legal services in Thailand. Our team of experienced attorneys at law covers every area of practice—including civil, criminal, family, labor, corporate, and tax law—to deliver precise, timely, and results-driven legal solutions. We are committed to serving both individuals and businesses, in Thailand and internationally, with the highest professional standards. Whether you need legal counsel for personal matters or corporate operations, OSP LEGAL ensures that you can conduct business and live with confidence under the protection of the law.

Why Clients Choose OSP LEGAL

  • Specialized attorneys at law ready to serve
  • Over 20 years of professional experience
  • Over 1,000 cases successfully resolved
  • Full-service legal solutions for individuals and businesses
  • Professional and transparent in every engagement
  • Top-rated client reviews with the highest scores
  • rev Expertise in both domestic and international law
  • Committed to protecting our clients’ rights and justice
  • Approachable and client-friendly legal counsel
20+ Years of Combined Experience
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Our Vision and Mission

Vision

To be a leading Thai law firm recognized for delivering comprehensive legal services in Thailand at international standards—combining deep expertise with innovation to provide precise, efficient, and impactful legal counsel. We strive to strengthen every sector of society, build lasting trust, and uphold the principles of justice and equality.

Mission

Deliver full-service legal solutions at the highest standard, covering civil, criminal, family, and corporate law to address every client’s legal needs.
Provide expert legal counsel on business registration, tax law, and corporate compliance to support the growth and stability of organizations and entrepreneurs.
Protect our clients' rights and interests through a team of specialized attorneys committed to achieving true justice.
Uphold the highest ethical standards, transparency, and professionalism in every engagement—operating with integrity, precision, and maximum efficiency.

Mission

Deliver full-service legal solutions at the highest standard, covering civil, criminal, family, and corporate law to address every client’s legal needs.
Provide expert legal counsel on business registration, tax law, and corporate compliance to support the growth and stability of organizations and entrepreneurs.
Protect our clients' rights and interests through a team of specialized attorneys committed to achieving true justice.
Uphold the highest ethical standards, transparency, and professionalism in every engagement—operating with integrity, precision, and maximum efficiency.

The History of OSP LEGAL

OSP LEGAL was founded by attorneys and legal professionals with over 20 years of experience, offering clients a comprehensive approach by integrating expertise across civil litigation, criminal defense, family law, labor disputes, tax law, intellectual property, and corporate law.
Our team includes specialists trained in Thailand and abroad who possess a deep understanding of diverse legal systems. This cross-border insight ensures we deliver accurate, effective Thai legal services to clients worldwide.
With years of experience, we have earned the trust of clients in Thailand and abroad. We are committed to providing thorough, fair, and accurate legal services while maintaining our reputation as a trusted Thai law firm.

Our Legal Services

Services for Individuals

Family & Domestic Cases

Divorce filings, child custody arrangements, parental authority, and child support matters.
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Inheritance & Estate Law

Planning and managing all matters related to inheritance and estate assets.
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Civil Cases

Contract disputes, debt collection,
and civil liability claims.
Contract disputes, debt collection, and civil liability claims.
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Criminal Cases

Serious criminal offenses, fraud cases, and all other criminal matters.
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Labor Law

Employment disputes and wrongful termination cases.
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Property & Real Estate Law

Land disputes and land title transfer proceedings.
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Intellectual Property

Trademark registration, commercial licensing, and securities matters.
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Services for Businesses / Organizations / Legal Entities

Bankruptcy & Business Rehabilitation

Legal advisory and proceedings for business rehabilitation and bankruptcy matters.
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Asset Investigation &
Case Enforcement

Asset Investigation & Case Enforcement

Asset tracing services and legal
enforcement proceedings.
Asset tracing services and legal enforcement proceedings.
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Employment Law for Organizations

Internal workforce management and employment law compliance for businesses.
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Business & Corporate Law

Corporate structure planning and
business contract drafting.
Corporate structure planning and business contract drafting.
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Accounting & Finance Law

Advisory on taxation, accounting, and financial law matters.
Advisory on taxation, accounting,
and financial law matters.
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Document Services & Notary Public

Legal document certification, translation, and notarial services.
Legal document certification, translation,
and notarial services.
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OSP LEGAL is committed to delivering quality legal services and dedicated client care because earning our clients’ trust is always our highest priority.

Our Expert Legal Team

Our team consists of specialized attorneys with extensive experience in litigation and legal advisory across a wide range of practice areas—from civil and criminal cases to family law, corporate matters, and tax disputes.

Our attorneys hold expertise in the following areas:
Civil and Criminal Law

Representing clients in civil disputes, criminal defense, and appeals.

Civil and Criminal Law

Representing clients in civil disputes, criminal defense, and appeals.

Family Law

Divorce, custody, spousal support, and cross-border family matters.

Labor and Employment Law

Workplace disputes, severance claims, and employment compliance.

Tax and Accounting Law

Advisory on tax compliance, disputes with revenue authorities, and fiscal planning.

Land and Property Law

Land title disputes, property transfers, and real estate transactions.

Land and Property Law

Land title disputes, property transfers, and real estate transactions.

Business and International Trade Law

Cross-border transactions, joint ventures, and international commercial agreements.

Business and International Trade Law

Cross-border transactions, joint ventures, and international commercial agreements.

OSP LEGAL is ready to advise and litigate at all levels of the Thai court system, including the Court of First Instance, Court of Appeal, Supreme Court, and specialized courts. We are committed to providing every client with accurate and fair legal representation.
OSP LEGAL is ready to advise and litigate at all levels of the Thai court system, including the Court of First Instance, Court of Appeal, Supreme Court, and specialized courts. We are committed to providing every client with accurate and fair legal representation.