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Peak Surveillance
“The people at Peak Surveillance did an awesome job helping me get the answers I needed to move forward with my case; I couldn't have asked for anything more!”
Best Private Investigators near Valparaiso, IN
1 of these agencies is based in Valparaiso; the others serve Valparaiso from towns including Chicago, IL (41 mi), Chesterton (8 mi) and Crown Point (16 mi).
9 open 24/7 · 15 open weekends · 20 rated 4.5+ · 12 show a license
Data verified October 18, 2026
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Tatone Investigations
“Do yourself a favor and consult with Don immediately.....”
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Lake County Civil Process
“The office was in constant communication with me regarding my case and helped me to complete a very difficult Civil Process.”
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Northshore Process Service Network
- Efficient
- Case
- Price
“The team is not only sophisticated in handling investigative and process serving needs but also intimate enough to offer real-time updates on all case files, ensuring transparency and efficiency throughout the process.”
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On Q Professional Investigations
- Informative
- Job
- Course
“Thank God for this instructor and his staff that really cares about the instruction of this type of work, the best place to learn, 5 star plus, also the Best instructor that i have encounter in my career.”
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RA Private Investigation & Security
- Team
- Information
- Money
“Evictions are not fun, however when you are backed up by fabulous staff members from RA Private Investigations, things always so well and I come out appreciating and respecting them even more than I did going into the situation.”
The 24 agencies on this page are the private investigators listed for Valparaiso, IN. 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: Valparaiso, IN
The 24 agencies on this page are rated from 3.9 to 5.0 across 366 reviews; 2 have 50 or more reviews and 20 are rated 4.5 or higher. 9 are open around the clock; 15 are open on Saturdays and 12 on Sundays. 12 show a license on their websites and 3 have a BBB rating of A or A+. 18 have ten or more years of experience, the longest 42 years. 9 offer urgent consultations and 8 offer a free initial consultation. We have a website on file for all 24 of the agencies on this page; 22 publish a contact page; 17 list a public email and 1 takes bookings online. 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 Valparaiso 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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PCI Investigations
“I would recommend it to anyone needing a PI whatever your case may be!”
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Chicago Executive Protection - Secure Options Consulting
- Team
- Mind
- Company
“Their responsiveness and adaptability have surpassed our expectations, and we wholeheartedly recommend Secure Options Consulting for top-tier security solutions.”
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Lawdog Security & Investigations
- Needs
- Overtime
- Officer
“Working as a security guard for Law Dog gave me lots of opportunities to manage how I would like to work because you can choose to work more in a day by requesting it.”
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U.S. Security and Protective Services
“Always a great job...”
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Citywide Security Group
“Because I work there”
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Key Chicago Private Investigators
“Jeanne was very thoughtful in her preliminary questioning and then did a great job setting up a strategic plan of action; with excellent follow-through and timely updates.”
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Usia Private Security
“Excellent service.”
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Myers Service
“Hard working, diligent and thorough.”
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Courthouse Courier
“The Chicago office is easy to work with as well as fast and reliable.”
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Heritage Investigations & Surveillance
“I have worked with Adam Campbell over the last 34 years on complex personal injury and criminal cases and have never been disappointed by the quality of service and integrity of him and his company.”
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RGH Investigations - Chicago Private Investigator
“From interviewing witnesses to getting documents, police reports, medical records, (and anything else), Bob always comes through very quickly.”
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STO Investigations
“We will be using STO again in the future should we have occasion to require services in the Chicago area again.”
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Ingenium Consulting Group
“Called Ingenium the took care of all the problems.”
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Vantius
“I had an urgent situation that was dealt with immediately and with excellent customer service.”
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Omega Global Security
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Axium Consulting
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Legal Eye
“LEGAL EYE's Chicago Office manages statewide investigations as well as provides oversight and management to several other major cities in the midwest.”
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Todd Martinson
“Extremely competent, reliable and reasonably priced”
Private Detective Services in Valparaiso, IN Cost Estimates
Minimum cost
$300
Maximum cost
$9500
National Average
$1200
Avg Per Hour Rates
$125
$700
$2000
Typical price range is based on 297 cost profiles
Why these companies made our list
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