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.
The ETS team continually strives to exceed client expectations in every matter.
Our team of over 40 experienced private 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!
New matter? No Problem!
The link below takes you to our online case assignment portal. We'd love a phone call or an email too if that's easier!
In a world where we investigate bad actors, the potential for false negative reviews and reputation attacks is significant.
Even with those risks, ETS maintains an unheard of 0 Complaint history with the Better Business Bureau during our 11 years in business. Trust ETS to maintain your confidentiality and work in your best interests!