Private Investigator Chicago, Illinois

Proven & Trusted Investigation Services

Domestic. Corporate. Legal.

LRI BBB A+ Rating

Top Private Investigator on Thumbtack

Resolving Your Problem Starts with One Call.

Call Now: (312) 647-2017


Private Investigation Services

Attorney, Litigation & Legal Process Services

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Corporate Investigation & Risk Management

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Personal & Domestic Investigations Services

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Chicago Based Investigators,
Serving Nationwide

For over 38 years, LRI has been building its reputation as one of the most effective private investigators in Illinois. Whether it’s a missing person, domestic case, corporate investigation, or serving process, our investigator have the skills and experience to get the job done.

In addition, by leveraging technology and our extensive network of resources, we are able to coordinate investigations internationally.

LRI serving nationwide

Investigators Toolbox

Investigators have an array of tools available to solve your problem.

Reputable private investigators will work to find the most cost-effective solution to accomplish your goals.

Asset Search

Find Assets for Companies and Individuals

Background Checks

Confirm an Individual's Background

GPS Tracking

Know when and where a person is going.


Get in-person insight and confirmation.

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 a source of stress and anxiety.

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 the information admissible in court?
  • What can a private investigator do that I can’t?

The Four Pillars of Our Investigative Services


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


We only target opportunities that have high probability of producing results. This produces better outcomes and saves clients money.


We never forget that our work is connected to a human being. Understanding our clients needs is paramount.


We insist on transparency and openness. We only accept clients we feel we can help.

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.

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.

Uncommon Approach to Private Investigations

There are solutions available to solve your problem fast and accurately. Call to learn the options available to you.

Call Now: (312) 647-2017

Lawrence Ryan Investigations, Inc. BBB Business Review

Top Private Investigator on Thumbtack