Private Detectives in Illinois

Hire the best private detectives in Illinois.


Chicago PI Services Group employs only the best private detectives in Illinois. Our team members are licensed, discreet, and highly skilled. We have all of the tools and experience needed to keep you, your property and your assets safe. Our private detectives are dedicated to protecting the citizens of Chicago.

At Chicago PI Services Group, our customers’ safety and satisfaction is our top priority. Our private detectives use the latest in quality, scientific, security technology to create customized solutions for our customer’s issues. We only use the best surveillance, recording, and security devices available in the industry. That means our customers get a professional, licensed private detective that truly cares about their safety, armed with the technology to get the job done right. 

We know the people of Illinois have different security and safety needs.
That’s why Chicago PI Services Group’s private detectives offer a variety of services.

  • Think someone might be ‘bugging’ you?
  • Have a feeling that your spouse’s long nights at the office may have been spent with someone else?
  • Need a transportation security detail?

Contact us today, and we’ll get you a free consultation with one of our private detectives, with no obligation.

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