Michael J. Brennan Injury & Accident Lawyer
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These agencies serve Bolingbrook from nearby bases in towns including Naperville, Chicago and Burr Ridge.
24 agencies listed · 5 open 24/7 · 9 open weekends · 19 rated 4.5+ · 9 show a license
Data verified October 16, 2026
The 24 agencies on this page are the private investigators listed for Bolingbrook, 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.

20 of the 24 agencies on this page have a rating, from 4.3 to 5.0 across 938 reviews; 5 have 50 or more reviews and 19 are rated 4.5 or higher. 5 are open around the clock; 9 are open on Saturdays and 7 on Sundays. 9 show a license on their websites and 2 have a BBB rating of A or A+. Domain records put 18 websites of the agencies on this page at ten or more years old; the oldest dates from 1998. 5 offer urgent consultations; 2 offer a free initial consultation and 1 is family- or locally-owned. We have a website on file for 21 of the agencies on this page; 15 publish a contact page; 17 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.
2 of the 24 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.