Lawrence Ryan Investigations

Ryan Investigations Chicago Illinois

Private Investigator in Northbrook, Illinois

Top Reviewed Private Investigation Firm in Northbrook, IL

Domestic, Corporate, & Litigation.

Lawrence Ryan Reviews

Effective Investigation Services Technology, knowledge, and experience are our tools.

With our 40+ years of experience, we understand the importance of hiring the right investigator the first time.

Our licensed investigators will develop a tailored solution for your needs. A solution that will give you the highest probability of a positive outcome.

Contact us to learn how we can assist you in getting answers for your case.

Private Investigators FAQs:

What areas do you serve?
We are proud to be one of the top private investigative firms in Chicago, Illinois. Even though we serve mainly in Chicago, our licensed investigators gather results across the entire country and internationally. Our Northbrook private investigator services are based out of our Northbrook office.


What types of cases do you manage?
LRI manages a wide array of cases. Our team of professionals has the knowledge, tools, and technology to efficiently manage just about any case. In our years in business, the most common cases include child custody, insurance fraud, divorce, missing person, background checks, etc. Though these cases are common, each case requires its own approach, methods, and solutions.


When are you available?
LRI´s team is available in real-time, on a 24/7 basis. Get the answers whenever you need them.


Why hire Lawrence Ryan Investigations?
We can proudly say that we are the best-reviewed private detective and investigator firm in Chicago.

Our knowledge in different fields is extensive and gives us the possibility to solve cases for both individuals and businesses and provide litigation support for law firms.

Experience and Professionalism

Each day, LRI is helping clients obtain critical answers.

If you need private detective services in Northbrook or throughout the United States, our qualified team of professional investigators is prepared to handle your case and get the answers you’re looking for.

Our success is built on using the latest technology and techniques to deliver the results you need.

Contact our team of licensed investigators, and let’s discuss your situation and your needs to determine how we can help.

A+ BBB Rating Private Investigators in Glencoe, Illinois

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Facts About Northbrook, Illinois

Northbrook is a city in Cook County in the U.S. state of Illinois.
  • Northbrook has a total area of 13.2 square miles
  • 32,654 people and 13,056 households
  • The median income for a household in Northbrook is $124,863


Common Cases We Work in Northbrook

Our investigations portfolio is diverse across all locations throughout Chicago, but in Northbrook, we see a higher rate of these types of cases:


  • Background Checks
  • Asset Searches
  • Mobile and Computer Forensics
  • Divorce Investigations
  • Skip Trace (locate someone)
  • Fraud Investigations
  • Business Investigations
  • Obtaining phone number or other personal data


Though those types of investigations are common, we offer more services than those listed above. If you require something a little more custom, contact us to discuss your unique needs. Have the best Northbrook private investigation firm working in your case.


In some situations, we’ve been able to achieve results in only a few hours. Every case is different and requires analysis and investigative methods to obtain results. Contact us today so we can discuss how we can assist you.