With 40 years practicing as a licensed private investigator in Chicago, IL, and even more experience as a law enforcement officer, Lawrence Ryan Investigations has the intuition, skill and tools necessary to obtain the information you need to take well-informed actions. Services are available 24/7, so call anytime at 312-647-2017 for private investigator services in Chicago, Illinois. We welcome Spanish and English speaking clients.

We are widely recognized as not only the most effective and top private investigators in Illinois, 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.