Private Investigators in Bangkok are manifold but there is only one Detective Agency in Bangkok and all Thailand with 67 years in Investigations and surveillance experience both electronic and physical.
Wilsons Detectives - Global Private Investigation Services
Call us for a free consultation-


We are available for our clients 24 hours, 365 days in Thailand.


With over 67 years of experience in Bangkok, Wilsons Detectives is the second oldest private investigation agency in the world.


We are a truly global detective agency with a worldwide service area.
We have 7 branches in the Thailand and 93 branches or Associate Offices in the Australia, Africa, Asia,
41 private and corporate investigator branches in the Middle-East and Europe


Detective Agency Wilsons has 166 branches in total worldwide to serve our clients.
Wilsons Detectives agency has an excellent track record of successfully investigating and solving cases both at personal and corporate level.


Background checks is just one of our many services buy one that is in increasing demand in Bangkok, Thailand and all Asia.


There has been an increase in people requiring a private investigator around the globe to carry out a background check. Quite simply put, a background checks means thoroughly checking someone past and present, so that you have the facts. There are many different types of background checks which include financial misdemeanors, Crime, Character and more. Please contact us for a free no-obligation quote or to simply find out a little more about our range or background checks. Our Private Investigators are experienced, friendly and discreet. Our checks are also capable of checking for adverse media and when these are used in conjunction with our highly sophisticated databases, they are extremely reliable.

​Corporate, private investigators and risk management consultants to commercial and private clients managed from regional headquarters in London, Hong Kong, Manila, Singapore, Lagos and Dubai with branches, agents and service providers throughout the World. he largest and oldest detective agency globally other than Pinkertons USA is Wilsons.

Asset Tracing 
Prepare for asset tracking litigation with Wilsons specialist asset searches

Surveillance & Observation Services
Private surveillance investigations to uncover the truth with Wilsons surveillance 144 Locations Worldwide

Fraud & Investigation
Identify risks and develop effective defences to protect your business by utilizing our fraud investigations department.

Find Missing Persons
Improve your chance of success in finding missing persons with Wilsons Detectives. This is a truly Global service

Pre-nuptial & Matrimonial 
Gain peace of mind and confidence with our thorough, in-depth investigations

Due Diligence
Benefit from Wilsons 65 years in business. We provide the information you need to best negotiate terms and mitigate risk

Corporate Intelligence 
Be certain of your investments, employees, partners, associates and your business security Wilson's Private Investigations & Corporate intelligence.
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