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Gazelle Process & Investigations
- Price
- Team
- Company
“Gazelle Process & Investigations was very thorough in serving the legal papers that were assigned to his company.”
Best Private Investigators near Crystal Lake, IL
1 of these agencies is based in Crystal Lake; the others serve Crystal Lake from towns including Elgin (13 mi), Rolling Meadows (19 mi) and Arlington Heights (20 mi).
7 open 24/7 · 14 open weekends · 18 rated 4.5+ · 10 show a license
Data verified October 18, 2026
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Confidential Protective Services
- Patient
- Instructor
- Communication
“Instructor Darras was very courteous, professional and has a wealth of knowledge regarding state and federal laws regarding the use of using and carrying firearms.”
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Capital Security & Investigations
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Viper Detective Agency
“Sally keeps you updated throughout the process.”
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Detectives.com
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LWM Research
“This company can safely transport people and property anywhere in the U.”
The 24 agencies on this page are the private investigators listed for Crystal Lake, 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: Crystal Lake, IL
21 of the 24 agencies on this page have a rating, from 3.8 to 5.0 across 338 reviews; 1 has 50 or more reviews and 18 are rated 4.5 or higher. 7 are open around the clock; 14 are open on Saturdays and 9 on Sundays. The services the agencies on this page list most often on their websites are surveillance (3), background investigations (2), corporate investigations (2), criminal investigations (2) and insurance investigations (2). 10 show a license on their websites and 2 have a BBB rating of A or A+. Domain records put 15 websites of the agencies on this page at ten or more years old; the oldest dates from 1997. 7 offer urgent consultations; 1 offers a free initial consultation; 2 are family- or locally-owned and 1 lists coupons or special offers. We have a website on file for all 24 of the agencies on this page; 18 publish a contact page and 17 list a public email. We count these figures across the agencies on this page; distances are straight-line, and hours and prices change, so confirm the details with the agency before you book.
Which investigators listed for Crystal Lake describe their work online?
All 24 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.
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SCS & Associates
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American Sentinel
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R7 Investigations
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Special Solutions
“Investigator Kelley was amazing and really came through assisting with my situation.”
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Scoutlogic Pre-Employment Background Screening
- Reports
- Responsive
- Employers
“We are fortunate enough to have Chip as our sale representative and he is truly wonderful, any time we need anything he is there to assist along with other members of Scout Logic.”
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Blue Star Security
- Officer
“Well l like it there it has the hot chocolate in the lobby they have all the cable channels the rooms are nice next door is a burger king and other stores near by the motel price is Good From Monday thru Thursday a bit more on Friday and Saturday”
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3 Kings Private Security
- Vehicle
“My only critique is I would like to have the warranty in writing and the parts list itemized with a bit more detail for my records but they are brand new and started their business during an extremely difficult time economically.”
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Firefly Investigations
“I'm more than happy with the results I received and to be honest it was 100% more than anticipated!”
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Foresight Investigative Services
“The investigator is extremely knowledgeable, thorough, and highly professional.”
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Hogan Investigative Services
“Very professional.”
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H Brown Investigations
“Harry brown is the most effective investigator i have ever dealt with in all the years of my criminal law practice.”
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Chicago PI Services Group
“I might work with them one day!”
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Edward R Kirby & Associates
“They are honest as the day is long and they will give it their all to solve your problem.”
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The All-Investigations Group
“If you are looking for professional, compassionate, and urgent attention to your matter, The All-Investigations Group is an excellent choice!”
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Culper
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Millennium Investigations
“I highly recommend.”
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VTS Investigations
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Carlson Investigations
- Eviction
- Case
- Defendant
“I couldn't get my tenant served for months because he kept dodging other process servers but then I hired William and he got inventive and served my tenant in a day.”
Private Detective Services in Crystal Lake, IL Cost Estimates
Minimum cost
$300
Maximum cost
$9500
National Average
$1200
Avg Per Hour Rates
$125
$700
$2000
Typical price range is based on 389 cost profiles
Why these companies made our list
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