Your Guide to the Truth in Thailand

When you need answers, the choice of investigator is the most important decision you will make. You need more than just a service; you need a partner you can trust with your most sensitive and personal matters. You need discretion, expertise, and a commitment to results.

At Siam Spy, we are that partner.

Siam Spy: Gary Bannister, Lead Investigator & Founder

A Mission Forged in Integrity

My name is Gary, and I am the founder and lead investigator at Siam Spy. In this line of work, I’ve learned that every case is more than a file—it’s a life, a business, or a family at a crossroads. My team and I are defined by our unwavering commitment to one principle: providing you with the truth, gathered ethically and delivered with absolute discretion.

With years of experience navigating the unique complexities of Thailand, we have built a reputation as the leading investigative resource for those who require the highest standard of professionalism.

Who We Serve

We apply our expertise across three critical areas:

• For Individuals & Families: We provide clarity and peace of mind during life’s most challenging moments. Our work includes infidelity investigations, missing person locates, and Thai girlfriend background checks, handled with the compassion and confidentiality you deserve.

• For Businesses & Executives: We protect your bottom line and reputation. Our corporate services include due diligence for partnerships, internal theft investigations, and insurance fraud claims, delivering the intelligence you need to make sound decisions.

• For Law Firms: We are the reliable support system for your legal strategies. We provide efficient process serving, witness locates, and evidence gathering to strengthen your litigation.

The Siam Spy Difference: Why Clients Choose Us

🔒 Experienced & Professional
We operate with a rigorous sets of standards in Thailand, ensuring all our methods are legal and the evidence we gather is admissible and reliable.

🤐 Absolute Discretion & Confidentiality
Your privacy is our paramount concern. We handle every case with the utmost secrecy, and our findings are shared solely with you.

🌏 Local Mastery, Global Standards
Our deep, on-the-ground knowledge of Thai culture, business practices, and legal systems allows us to navigate situations that often confound outsiders. We combine this local mastery with international investigative standards.

🎯 A Relentless Focus on Your Results
We are not just evidence collectors; we are problem-solvers dedicated to providing you with a clear path forward. We give you the definitive answers you need to take control of your situation.

Ready to Find Your Answers?

The first step toward resolution is a confidential conversation. We are here to listen to your situation and outline a clear path forward.

Contact Us Today for a Confidential Consultation