Foresight Investigative Services
“Great investigative work, appreciate the two times I've come to you for answers you did not disappoint.”
Best Private Investigators near Wheaton, IL
These agencies serve Wheaton from nearby bases in towns including Naperville, Westmont and Bloomingdale.
15 agencies listed · 1 open 24/7 · 5 open weekends · 11 rated 4.5+ · 6 show a license
Data verified October 21, 2026
Krimson Investigations and Process Service
“You will not go wrong using this company for your investigation needs process serving or if you are looking for relatives.”
Millennium Investigations
“It is good to know there are people out there who will help you in your darkest hour and at when you need a helping hand the most.”
Forest Security
“Great, reliable, quality service and equipment latest technology the systems work and are not easily defeated like some other alarm systems”
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Great Lakes Professional Investigations
“He has been nothing but professional, responsive and has always been willing to help out, or refer someone who was better suited.”
Edward R Kirby & Associates
“They are honest as the day is long and they will give it their all to solve your problem.”
The 15 agencies on this page are the private investigators listed for Wheaton, 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: Wheaton, IL
13 of the 15 agencies on this page have a rating, from 3.8 to 5.0 across 126 reviews; 11 are rated 4.5 or higher. 1 is open around the clock; 5 are open on Saturdays and 1 on Sundays. 6 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 1997. 1 offers urgent consultations and 1 offers a free initial consultation. We have a website on file for 13 of the agencies on this page; 9 publish a contact page; 6 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 Wheaton describe their work online?
13 of the 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.
Squad 8-B Solutions
Capital Security & Investigations
Argus Services
Impact Investigations
Viper Detective Agency
“Sally keeps you updated throughout the process.”
VTS Investigations
Force Process Serving & Investigations
Delorto Mazzola & Associates
Judicial Attorney Services
“Of course, there are times when the subject becomes uncooperative and service cannot be made, but I love that this company gives you the flexibility to go out whenever you can to get the job done right which in turn, increases the chance of your work to be served properly.”
Why these companies made our list
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