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PI-Services in the United States

The United States has a high density of private investigation services and companies. There are many different private investigators working in the USA. Many of these people are former police officers and detectives. Some of them quit their job in public service, others are already retired. All of them use their knowledge about the investigation of their new business.


This page is about private investigators, private detectives, and their services. We want to explain the regional differences, how the job works, what you can expect to pay for the services like surveillance and investigations. We are not offering private investigation services, so we are no competitors to private investigation companies. Instead, we provide private detectives and private investigation agencies a platform to offer and show their services.

United States of America: PI-Services

A private investigation service is available all around the United States of America. There are many different kinds of private investigation services, some of these private investigators more specialized in the protection of buildings or facilities or persons. Others are specialists with cheating spouses or employer theft. And if you are looking for a private investigation about identity theft or online criminal cases, there are even other private investigators, who might best fit for your case.

Table of Content - Private Investigator in the USA
  • Montana (MT): Private Investigator Montana (MT): Private Investigator

  • The growing directory in the USA

    We're building a growing directory here about private investigation and companies who offer these services in the United States of America. Some of these companies act also globally. Many companies have cooperations with other private investigation companies in countries abroad.

    Private investigation can be as already mentioned in different working areas. If you get to the website of a private investigator you will most likely find a menu like "Services" or "Work" where you find a list of services the company offers. As the private investigation is for most people a business they do not need frequently, they are all very much into search engine optimization. This is why they all carry some lists of different topics on their websites in order to be found on search engines in their specific area. So you will see their website and see keywords like "infidelity Investigation", "Locate Records" and also "Background Checks" or "Workers Comprehension" as well as "De-Bugging".

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Tracking Devices...

Some of the private investigation companies also are pretty well equipped. The stuff they use is not only cameras. Some people think due to television and books, that a private investigator is a person sitting in a car and surveilling others with a huge camera. But that is rarely the case, most of the work of a private investigator in the United States of America is different. They do research, make background checks, use social media and the internet.

Table of Content - Private Investigator in the USA
  • Montana (MT): Private Investigator
    In the north-west of the United States of America, there is Montana. The state is also called "Treasure State". Nearly a million people live in Montana, only about 30.000 people are in the capital city of Montana which is Helena. The biggest city is Billings by far! We list the private investigation services of Montana here.
  • Billings (MT): Private Investigator
    As Billings is the largest city in the state of Montana, we already found a variety of private investigation services in this city. So here the are for you...
  • Missoula (MT): Private Investigator
    Montanas second biggest city is Missoula. And of course there are some private investigation companies available in Missoula (MT). So we have listed those few private investigators here on our page.

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