Northshore Process Service Network
“Northshore is the place to go if you need to get great surveillance!”
Best Private Investigators near Berwyn, IL
These agencies serve Berwyn from nearby bases in towns including Chicago, River Forest and River Grove.
15 agencies listed · 6 open 24/7 · 12 open weekends · 13 rated 4.5+ · 7 show a license
Data verified October 18, 2026
RA Private Investigation & Security
“Both highly professional and extremely conscientious, the agents with whom I interacted were dedicated to achieving the best outcome possible with respect to my case and expressed genuine concern in response to each of the individual circumstances that they encountered.”
Usia Private Security
“The team comes in and walks through your problem and implements a solution.”
Lawrence Ryan Investigations
“Brad and the team walked me through the depth of the items uncovered, explained my options and were responsive and consultative.”
Confidential Protective Services
“Needed some legal paperwork served no luck on my own and this guy got the job done thank you very much!!”
PCI Investigations
“Really helped me when I needed it the most!!”
The 15 agencies on this page are the private investigators listed for Berwyn, IL. What each one states about its license, its specialties and the areas it covers comes from its own website; ratings and quotes come from public reviews.
Area overview: Berwyn, IL
The 15 agencies on this page are rated from 4.0 to 5.0 across 323 reviews; 1 has 50 or more reviews and 13 are rated 4.5 or higher. 6 are open around the clock; 12 are open on Saturdays and 10 on Sundays. 7 show a license on their websites and 2 have a BBB rating of A or A+. 11 have ten or more years of experience, the longest 42 years. 6 offer urgent consultations and 6 offer a free initial consultation. We have a website on file for all 15 of the agencies on this page; 13 publish a contact page; 11 list a public email and 1 takes bookings online. We count these figures across the agencies on this page; hours and prices change, so confirm the details with the agency before you book.
Which investigators listed for Berwyn describe their work online?
All 15 agencies on this page have a website on file. Those pages are where an agency states its license, the kinds of investigation it takes on, and whether it works mainly for attorneys, for companies or for private clients. That last point changes how a report gets written.
Chicago Executive Protection - Secure Options Consulting
“Their responsiveness and adaptability have surpassed our expectations, and we wholeheartedly recommend Secure Options Consulting for top-tier security solutions.”
U.S. Security and Protective Services
“Very professional place well structured i recommend them for their services!!!!”
Key Chicago Private Investigators
“Jeanne was very thoughtful in her preliminary questioning and then did a great job setting up a strategic plan of action; with excellent follow-through and timely updates.”
Vantius
“They did an excellent job of providing a great work product in a time sensitive manner.”
Forest Security
“As a crime prevention specialist for over 20 years I highly recommend Forest Security .”
Myers Service
“I spoke to Nerdisa and she was knowledgeable and gracious in answering all of my questions and I had many.”
Heritage Investigations & Surveillance
“I have worked with Adam Campbell over the last 34 years on complex personal injury and criminal cases and have never been disappointed by the quality of service and integrity of him and his company.”
Ingenium Consulting Group
“Called Ingenium the took care of all the problems.”
Chicago Private Investigator
“From interviewing witnesses to getting documents, police reports, medical records, (and anything else), Bob always comes through very quickly.”
Why these companies made our list
Is this page useful? Yes
No
Is there anything wrong with this page?
