Thailand’s Premier Private Investigation Agency

Your Search for a Private Investigator in Thailand is Over.

When your situation demands the truth, you need more than just an investigator—you need a partner with nationwide resources and an unwavering commitment to results.

Private Investigator Thailand

Private Investigator Thailand

 

For over two decades, Siam Spy has been the leading choice for clients across Thailand and around the world. We provide the discreet, professional, and definitive answers you need to protect what matters most.

Our Nationwide Investigative Services

We solve Thailand’s most complex personal, corporate, and legal challenges.

  • 🔍 Infidelity & Relationship Investigations

  • 💼 Corporate Due Diligence & Fraud

  • 👤 Background Checks & Identity Verification

  • 📞 Process Serving & Legal Support

  • 👁️ Surveillance & Evidence Gathering

  • 📊 DNA Paternity Testing

Why We Are Thailand’s Most Trusted Agency

  • ✅ Fully Licensed & Insured Across Thailand

  • ✅ 20+ Years of Proven Experience

  • ✅ Nationwide Network (Bangkok, Pattaya, Phuket, Chiang Mai)

  • ✅ Absolute Discretion & Confidentiality Guaranteed

  • ✅ Court-Admissible Evidence

  • ✅ Native Thai & English Speaking Teams

Ready to Find Your Answers?

This domain is an official gateway to our complete range of professional investigation services across Thailand.

To explore our specialized services, read detailed case studies, and contact our national team of experts, please visit our main website.

👉 Visit SiamSpy.com – Thailand’s #1 Private Investigation Agency

PrivateInvestigatorThailand.com is an official domain of Siam Spy, Thailand’s leading private investigation agency since 2001.