#1 Private Investigator in Thailand | Siam Spy – Licensed & Discreet
Thailand’s Premier Private Investigation Agency
When Your Future Depends on the Truth, You Need the Best.
You are facing a critical situation that demands answers. Whether it’s a personal crisis, a high-stakes business decision, or a legal matter, the uncertainty is paralyzing. In Thailand, where cultural and legal complexities can obscure the truth, you need more than just an investigator—you need a trusted partner with an unwavering commitment to results.
Private Investigator Thailand | We get the truth, AND we get the proof!
You need Siam Spy.
We are Thailand’s leading private investigation agency. With a proven track record of success across the entire country, we provide the discreet, professional, and definitive answers you need to protect what matters most.
Get a Confidential Consultation for Your Case
Nationwide Investigative Services
We solve Thailand’s most complex personal, corporate, and legal challenges.
For Individuals & Families
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Infidelity & Cheating Investigations: Get undeniable proof of a partner’s betrayal.
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Missing Persons Locates: We find people who do not wish to be found.
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Background Checks: Verify the true identity and history of a partner, friend, or tenant.
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DNA Paternity Testing: Scientifically conclusive and legally admissible tests for peace of mind.
For Businesses & Corporations
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Corporate Due Diligence: Investigate potential partners or acquisition targets before you invest.
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Insurance Fraud Investigation: Uncover staged accidents and inflated claims.
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Internal Theft & Employee Misconduct: Identify employees involved in theft or embezzlement.
For Law Firms & Legal Teams
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Process Serving: We legally serve documents anywhere in Thailand.
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Witness Locates & Interviews: We find and interview key witnesses for your case.
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Evidence Gathering for Litigation: We collect court-admissible evidence.
The Siam Spy Difference
Why we are the top choice for clients across Thailand and around the world:
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Fully Licensed & Insured: We operate within the full bounds of Thai law, ensuring all evidence is legitimate and admissible.
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Deep Local Expertise: Our Thai and English-speaking investigators have an unmatched understanding of local culture, business practices, and legal systems.
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Nationwide Network: With teams in Bangkok, Pattaya, Phuket, and Chiang Mai, we provide genuine on-the-ground intelligence wherever you need it.
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Uncompromising Discretion: Your privacy is our absolute priority. We handle every case with the utmost confidentiality.
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Results-Driven Focus: We don’t just deliver data; we provide clear, actionable evidence that empowers you to make critical decisions.
We Operate Where You Need Us
Your case isn’t limited to one city, and neither are we. We conduct seamless investigations across the entire country.
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Bangkok
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Pattaya
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Phuket
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Chiang Mai
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Hua Hin / Cha-Am
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Koh Samui
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Isaan Region
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And throughout all of Thailand
Your Path to the Truth Starts Here
Stop wondering. Stop doubting. You have the right to know the truth. Let the most trusted name in Thai private investigations guide you to the answers you need.
Contact Siam Spy today. We are here to help you, anywhere in Thailand.