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Gazelle Process & Investigations
“I needed to have papers served on a respondent 2000 miles away and I'm very glad to have found Gazelle!”
Best Private Investigators in Crystal Lake, IL
The highest-rated Private Investigator & Detective companies out of 200 vetted & reviewed in the Crystal Lake area.
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Confidential Protective Services
- Company
“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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Lazzara Detective Services
“Lazzara Detective Services Inc. is comprised of a team of highly skilled and experienced private investigators. Our team has a diverse background in law enforcement, military, and private investigation. We utilize the latest technology and techniques...”
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Executive Protection Investigative Consultants
Security Contractor Services, Personal Services, Disaster Response Services
“Gun violence and terrorist attacks are making headlines across the nation. No individual or institution is safe from a possible attack. Executive Protection Investigative Consultants, LLC makes it our business to train individuals and future security...”
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Capital Security & Investigations
Private Investigation, Private Security, Loss Prevention
“CSI provides local, state and nation-wide background searches and will customize our Comprehensive Background Search to meet your unique set of investigative requirements. Let CSI's highly trained and experienced investigators assist you on your spec...”
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Viper Detective Agency
“Sally keeps you updated throughout the process.”
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Detectives.com
BUG Sweep Tscm, Litigation Support, Process Service
“Our network of member agents provide a full range of investigation services across the United States and throughout the international community. For over a quarter century Detectives.com has helped, by matching up the right investigator to the issue ...”
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LWM Research
“This company can safely transport people and property anywhere in the U.”
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The Debugging Experts
Family Law / Divorce Attorney Services, Business / Corporate Services, Personal Services
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Hertog & Associates
“Last fall (2015) I stood at the Daley Center computers trying to find an important witness. After running through all my usual sources I was near the end of my rope – he wasn't dead, he wasn't on the street, he wasn't in the Cook County Jail, the Dep...”
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American Sentinel
, , Guarding Services
“American Sentinel is founded on the principles of truth, honor, and integrity. The sentinel is a watchman, a guardian, and soldier whose discipline and mindful eye keep those they protect safe. We live these values and use it to guide us through our ...”
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Hogan Investigative Services
Surveillance Domestic / Insurance, Criminal Defense, Background Information
“Very professional.”
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Northshore Process Legal Support Services
- Affidavit
- Company
- Communication
“The best process server around, North Shore gets the job done quickly and effectively while constantly keeping you informed about where you are in the process.”
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R7 Investigations
“Private investigators find proof and information that protects you, your family, or your business. If you need a private investigator to find the facts on your particular case and have not achieved the results from other investigators, call R7* today...”
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Special Solutions
BUG Sweeps Tscm, Theft Investigations, Martial Infidelity
“Investigator Kelley was amazing and really came through assisting with my situation.”
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Scoutlogic Pre-Employment Background Screening
- Background Check
- Reports
- Team
“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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TK Consulting Agency Group
- Instructor
“What a Great teacher I learned so much during the course that I didn't know like proper posture and firearm safety and the true meaning of having a CCW I recommend this class to everyone!!!”
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Blue Star Security
- Professionalism
“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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Chicago PI Services Group
“I might work with them one day!”
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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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Judicial Attorney Services
“I would highly recommend Judicial Attorney Services in NE IL (I don't know about their locations in other states) and would absolutely use them again the next time we need to serve anyone in the NE IL area.”
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Foresight Investigative Services
Corporate Investigations, Asset Investigations, Infidelity Investigations
“The investigator is extremely knowledgeable, thorough, and highly professional.”
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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