Private detectives in Thailand


If you’re looking for a private investigator in Thailand, then you’ve come to the right place. We cover the whole of Thailand and are able to help with a wide range of different issues. From infidelity investigations, to business due diligence and most things in-between.

We are a fully registered and accredited company covering all areas of Thailand. We can assist with most issues for which you might need a detective in the land of smiles.

Deciding to start an investigation, for whatever reason, can be stressful. We aim to give our clients the best experience possible through person to person contact throughout their investigations. We recognize that no two problems are the same and won't try to copy and paste solutions for you. We pride ourselves on the way that we work and the high standards that we expect from all of our staff. We try to go the extra mile for our clients and guide them through the process of initiating an investigation as best we can. And unlike many of our competitors, if we think that your situation is hopeless - we will tell you. We won't waste your money and our time chasing rainbows.

We offer free quotes for all work. Feel free to contact one of our experienced team members for help and advice. All contact with us is strictly private and confidential.

Contact us

If you require more information from us or a free quote, then please fill in the form below and we will get back to you as soon as possible.
Please remember to include as many details as possible, such as the exact area where you need us to work.
We will do our best to understand your requirements and offer a free, no pressure quote.

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Please be assured that all contact with us is strictly private & confidential.

Our services

We aim to provide a solution to all of your investigative needs in Thailand...
... From infidelity investigations to corporate due diligence and more, we can help.

  • Corporate investigations

    If you are doing business with a company or individual based in Thailand, then we can help to protect your interests by performing due diligence checks.

  • Infidelity investigations

    Do you suspect that your partner might be cheating on you while in Thailand? We can help to check their activities and report back to you with photos/video.

  • Missing people investigations

    Have you lost contact with someone in Thailand? We can help to locate missing people for a variety of different reasons.

  • Background check service

    Are they everything they claim to be? We can help to check a number of different facts about a subject as part of our background check service.

  • Pre-marital checks

    If you are getting married to a Thai person, then it often makes sense to protect your interests by running checks on them beforehand.

  • Criminal record checks

    Whether you need to run a criminal records check on your Thai partner, business associates, or employees, we've got you covered with our criminal records check service.

A road in Bangkok city

Client testimonials

My husband was visiting Thailand (Pattaya) by himself every year to play golf. When he decided to make three trips in one year I started to become wary about what he was up to, and his search history gave me more clues. When I researched the "industries" of Thailand more thoroughly I started to realize what might be going on.

I was very wary about hiring a private investigator as I have never done so before. The service that I received was very good. They were on hand to explain things to me and offer advice on things that I would otherwise have struggled with.

Although I was devastated to have my suspicions confirmed it was better to find out. I am very pleased with the results and the service. I would recommend this company to anyone.

— Doreen, New South Wales

The entrance to Walking Street in Pattaya

If you are dating a Thai woman and getting into a relationship then you NEED to use a service like this or risk being scammed. We all think that it could never happen to us but it does. I was nearly scammed and this service helped me dodge a bullet.

I was dating a Thai woman who I met through a dating app. We talked every day but it was when she started to tell me stories about her needing money that I became suspicious. Reading all the horror stories online about dating scams in Thailand I decided to check her out before things went further.

It only took one day of investigation to find out that her story was filled with holes. On the second day we discovered that she was living with a Swiss man and was probably speaking to a dozen other men.

If I had never used a private investigator then I would still be in a relationship with Pim and wasting my hard earned cash on her. I was kept in touch through every step of the investigation and really glad that I decided to go ahead. I would highly recommend this service to anyone.

— Martin Williamson, USA

High rise buildings in Bangkok city

I've used Thailand Private Investigators for several jobs over the years. Originally we started by checking out my Thai girlfriend and making sure there were no hidden surprises in store. As I made the move to live in Thailand and setup business, I've used the company for due diligence and background screening on my employees. They were able to complete 36 criminal record checks for me within 2 days, which really helped us to kick start the business.

I've always received a great service, the staff are very responsive and happy to explain things and to answer questions. I would recommend this firm for anyone that doesn't want to find themselves being ripped off in Thailand!

— Alfie, Bangkok

Thailand private investigators

Contact our team now for a free quote and we will do our best to help. Please remember to include as many details as possible, such as the exact location of your assignment.