Private Investigator Chicago, Illinois

Domestic. Corporate. Legal.


Private Investigation Services

Attorney, Litigation & Legal Process Services

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Corporate Investigation & Risk Management

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Domestic Investigations Services

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Serving From Chicago to Across the United States

For over 35 years, LRI’s investigators are considered the top private investigators in Illinois. Rather if its a missing person, domestic case, corporate investigation, or even process serving, our investigator have the skills and experience to get the job done.

In addition, using technology and our extensive network of resources, we are able to support investigations across the country.

How To Get Started

Request A Free Consultation

Receive Personalized Recommendation

Start When Your Ready

Our Client Reviews

ServiceOverall rating:★★★★★5 based on11 reviews

Hiring a Private Investigator

Our goal while you are here is to provide you with the information you need to make the best decision possible. Hiring a private investigator does not need to be difficult. When you are ready, give us a call for a confidential assessment.  After we understand your needs and are confident we can help you, we’ll explain exactly how we can help and the costs involved. We are here and ready to help twenty-four hours a day.

Get answers to common questions:

  • How much does it cost for a private investigator?
  • How does a private investigator find people?
  • Is a private investigator admissible in court?
  • What can a private investigator do that I can’t?

Privacy is Key To Private Investigation Services

We are widely recognized as not only the most effective Illinois licensed private investigators services in the Chicago area, but also the most discrete and confidential. Your privacy and protection is our number one concern. Why do we go to such great lengths to be the most confidential private investigators in Chicago? In addition to insuring your anonymity and safety, it is also critical to a successful investigation. Find out why in our FAQ.

About Lawrence Ryan Investigations, Inc. – Private Investigator Chicago, IL

Private Investigator Chicago, Illinois, – LRI brings over 38 years of law enforcement and investigations experience to bear on one goal: discovering the truth for our clients, whether that be catching your cheating spouse, winning a custody battle or divorce, or busting a stealing employee. Before hiring a private investigator, see what our clients think about our work.

The Four Pillars of Our Investigative Services


We move as quickly as possible without compromising the quality and integrity of the investigation.


We only target opportunities that we feel have a high probability of producing a result. This discipline produces better outcomes and saves the client money.


We never forget that our work is connected to a human being. Our responsibility is to understand our client and problem we are trying to help them solve.


We insist on transparency and openness. We only accept clients who we feel we can help and who have an understanding of the realities of producing the result they desire.