Foresight Investigative Services
“The investigator is extremely knowledgeable, thorough, and highly professional.”
Best Private Investigators near Palatine, IL
These agencies serve Palatine from nearby bases in towns including Arlington Heights, Rolling Meadows and Park Ridge.
15 agencies listed · 3 open 24/7 · 7 open weekends · 8 rated 4.5+ · 5 show a license
Data verified October 21, 2026
Blue Star Security
“Recently hired the services of Blue Star Security and was truly impressed at their professionalism, experience, and appearance.”
Special Solutions
“He was very compassionate about my situation and was very professional and helpful.”
Hogan Investigative Services
“The service was prompt, professional, and a reasonable price.”
Chicago PI Services Group
“He listened to what we needed done, then determined how we could move forward.”
Scoutlogic Pre-Employment Background Screening
“We as a company had an excellent experience working with Chip and his team at Scout Logic!”
The 15 agencies on this page are the private investigators listed for Palatine, 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: Palatine, IL
12 of the 15 agencies on this page have a rating, from 3.2 to 5.0 across 130 reviews; 8 are rated 4.5 or higher. 3 are open around the clock; 7 are open on Saturdays and 4 on Sundays. 5 show a license on their websites and 1 has a BBB rating of A or A+. Domain records put 10 websites of the agencies on this page at ten or more years old; the oldest dates from 1998. 3 offer urgent consultations; 2 offer a free initial consultation and 1 lists coupons or special offers. We have a website on file for all 15 of the agencies on this page; 12 publish a contact page and 10 list a public email. We count these figures across the agencies on this page; hours and prices change, so confirm the details with the agency before you book.
Do investigators listed for Palatine discuss a case free?
2 of the 15 agencies state that a first consultation costs nothing. Use it to describe the problem and hear whether the work can be done lawfully at all. A straight agency will sometimes tell you on that call that what you want cannot be obtained, which saves you a retainer.
H Brown Investigations
“Harry brown is the most effective investigator i have ever dealt with in all the years of my criminal law practice.”
Culper
International Trace
“I have used them on several sensitive projects and they have always come through with positive results, on time and within budget.”
SCS & Associates
Marshall Investigative Group
“From insurance fraud, to workers comp claims, Marshall Investigative Group goes the extra mile to find out critical information about a case.”
Capital Security & Investigations
Viper Detective Agency
“Sally keeps you updated throughout the process.”
강효흔 공인 탐정 Bruce Kang LPD
American Sentinel
Why these companies made our list
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