Thailand private detective offering discreet investigations in Thailand while maintaining your privacy. We provide Thai girlfriend background checks and surveillance and provide photo and video evidence. We are a full-service Thailand private investigator agency with a nineteen-year track record of success. Whether you want to investigate a Thai girlfriend or catch a cheating husband in Thailand, we have the experience and resources to handle any assignment. Hence, we have helped thousands of people get answers and evidence. Also, we keep your privacy safe and secure while delivering the results you need. We get the truth, and we get the proof!

Thailand private detective

We are highly trained investigators with professional skills. Our Thailand private detectives come from diverse backgrounds of expertise. That diversity, combined with our nineteen years of experience contributes to our overall effectiveness as private investigators. Some investigators are former law enforcement officers, while others are insurance fraud investigators. Being a private investigator in Thailand requires highly specialized skills.

“For every good reason there is to lie, there is a better reason to tell the truth.”

Street-wise Thailand private detectives, coupled with patience, and years of experience, are our strengths. With numerous years of observing human behaviour in Thailand, we know how to get the results you need. We have conducted hundreds of diverse cases and look forward to assisting you with yours. Hiring a Thailand private investigator is a serious matter. So, take the time to browse through our site because it contains specific information to help you. It will help you decide whether our service is right for you. Our Thailand private detective blog contains more in-depth information as well as some good case result stories.


Thailand private detective.


Our Thailand private detective network consists of Thai nationals and foreign ex-pat investigators. Our Thailand private detective team also includes former insurance fraud investigators as well as retired police officers. Contact us now for a free no-obligation consultation.

The four main requests for a Thailand private investigation are as follows.

  1. Thai bar girls. A Thai bar girl turned girlfriend. Investigate a Thai girlfriend.
  2. Thai Freelance prostitutes. Internet dating sites, scams.
  3. Mainstream Thai women. Those with foreign boyfriends or husbands.
  4. A foreign woman. Her husband is going to Thailand.

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Acceptable cases:

  • Discreet private investigation of your husband on a trip to Thailand.
  • We can investigate your Thai girlfriend, fiancee, or wife.
  • Corporate or business background checks verification reporting.
  • Locate missing people, missing children, parents, or relatives.
  • Private security and bodyguard services are available.
  • Locate a lost or missing Thai girlfriend, or Thai wife.


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Cases refused:

  • Obtaining phone records or pre-paid phone records.
  • We do not hack passwords, online bank account information.
  • Political interests.
  • Intellectual Property cases.
  • Blackmail. – Not acceptable.
  • Surveillance equipment or listening devices inside a personal residence or business.
  • We don’t do phone tapping or phone bugging.
  • Any criminal activity.


Coverage areas

Our primary coverage areas are Bangkok and Pattaya. But, we also offer private investigation services in Phuket, Chiang Mai, and other regions of Thailand. For example, Isaan, Buri Ram, and Nakhon Ratchasima. Prices, rates, and fees vary according to the work required. For instance, out of town assignments may need extra travel and hotel expenses. However, the quoted price usually includes all fees. Private investigation, especially in Thailand, can, at times, be a challenging endeavour. We do our best to provide the best services we can while delivering the evidence. For example, photographic and video evidence.

Service area map showing locations

Service area map.

Thailand private detective

We understand the impact that an investigation may have on both parties. So, we are cautious about making sure our client’s privacy is protected. Our Thailand private detectives work from a subjective position assuming all is good until the facts prove otherwise. We only provide the facts and the truth as we discover them. Being an independent third party, we have no stake in the results. Therefore, we can deliver a fact-based report with an unbiased conclusion. The result is a clear picture of the situation for the client and a finding of the truth. Every good Thailand private detective understands the facts are most important. Contact us now for a free no-obligation consultation.

We thoroughly screen any inquiries we receive. We will refuse a case if we suspect the client intends to harm a subject. Furthermore, we will not participate in any investigation if the goal is to cause physical harm to someone, or others they may know. We will not accept any case that involves criminal activity. Criminal activity is a job for the local police, not a Thailand private investigator. Also, we will not take any case involving political interests, or any government official. Public figures, such as celebrities, are off-limits. We are cautious about choosing assignments. We won’t assist you in finding information that may physically harm another individual. So, if you are out for revenge on someone, don’t ask us to help you. We won’t.

Cheating Thai girlfriend

Do you have Thai girlfriend problems? Was she working in a bar or other nightlife establishment in Thailand? Many clients have a Thai girlfriend but live in another country and suspect their Thai girlfriend may be cheating on them. When things go wrong, or suspicious activities arise, it may be time to hire a Thailand private detective to help you get the facts. Contact us now for a free no-obligation consultation about a cheating Thai girlfriend investigation.

Cheating husband Thailand

If your husband is on a business or pleasure trip to Thailand, he may have a Thai girlfriend. Or, he may be frequenting sex clubs or other sex-related establishments. We know because we conduct cheating husband in Thailand cases every day. You can hire a Thailand private detective to help you get the facts. We can determine if your husband is cheating on you with a Thai bar girl or other Thai women. For example, a Thailand freelance prostitute. Contact us now for a free no-obligation consultation on a cheating husband in Thailand investigation.

Business background check

Are you planning to do business with a company in Thailand? You may want to hire a Thailand private detective to make sure the company is legitimate. Many Internet scams take advantage of foreigners. Fake companies in Thailand claiming to be a legitimate business are a real threat to foreign investors. Hiring a Thailand private detective to help you get the facts is a good idea.

We can assist you in finding a reputable company that can supply you with the products you need. We will do a thorough check of the business to ensure they have a reputation for doing business Internationally. Checking a company out before you decide to do business with them from abroad is a good idea, especially if large amounts of money are involved.

Missing persons in Thailand

People often go missing while in Thailand. So, if you have lost a friend, relative, child, or parent in Thailand, we can help. A Thailand private detective can help you locate the individual. While people sometimes lose contact with loved ones, they usually come back into contact. A Thailand private investigator may be the best option in finding lost or missing people.

Get peace of mind

Hey, we get it. Peace of mind is the bottom line, while privacy is a top priority. It is the reason people contact us; they want to know the truth. There is nothing worse than not knowing the truth. Dark secrets hiding in the shadows isn’t fun for anyone. While it eats away at your peace of mind, it causes endless stress and worries. So, we understand your dilemma. When we take a case, we know what the end game is. It is to give the client peace of mind while resolving the situation with the truth.

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    Prices and fees

    While the quoted price generally includes all costs, some complicated cases may require extra expenses. These additional expenses are minimal, but necessary for out of town investigations. For example, hotel and fuel costs. If any other charges are required, then the client will be told beforehand. But, in general, the quoted rate includes all costs and fees. In other words, there are no hidden costs.

    Your private Thailand detective

    Think of us as your personal Thailand private detective. Contact us through twenty-four hours a day, seven days a week. We are always open to serve you. So, we look forward to hearing from you. Our record of successful results sets us apart from any other Thailand private investigator agency. We also take pride in producing the results for which you are paying. We reveal the truth, AND we get the proof! All the while, your privacy is assured. For more information about Siam Spy and our services, read our FAQ page. Or check out our blog for Thailand private investigator stories.