ETS is one of the leading Private Detective & Security Agencies in the United States
We provide best-in-class information, investigative, security, consulting, and training services to clients throughout the United States and abroad.

We primarily service Business to Legal (B2L), Business to Business (B2B), Business to Government (B2G), and Business to Education (B2E) clients. Support for Business to Consumer (B2C) cases is generally limited to those which are direct referrals from an attorney or an existing client.

Message from the Executive Team

The ETS team continually strives to exceed client expectations in every matter.

Our team of over 40 experienced investigators, security consultants, and support staff in the Chicago area and several hundred more nationwide can handle all types of cases. Our practice areas include background screening, employment investigations, social media and online investigations, digital forensics, surveillance, hostile termination security, biometrics, and many types of training for employers and software programs.

Please take a look around the site and let us know how we can assist you!