Best Private Investigators near Gary, IN

These agencies serve Gary from nearby bases in towns including Chicago, IL, Crown Point and Chesterton.

10 agencies listed · 2 open 24/7 · 8 open weekends · 7 rated 4.5+ · 6 show a license

Data verified October 18, 2026

Lake County Civil Process

Lake County Civil Process

4.5 11 reviews
“He was professional and went above and beyond to make sure service was completed.”
Serves Lake County, Indiana, Porter County, IndianaSince 2020
Crown Point, IN · 12 mi from Gary
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Peak Surveillance

Peak Surveillance

5.0 5 reviews
“He always goes above and beyond to make sure he can get any video possible.”
LicensedSince 2019
Valparaiso, IN · 17 mi from Gary
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Omega Global Security

Omega Global Security

Free consultationLicense #115002328Serves IllinoisSince 2013
Chicago, IL · 24 mi from Gary
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RA Private Investigation & Security

RA Private Investigation & Security

5.0 36 reviews
“I highly recommend anyone in Chicago area using this private detective agency”
Free consultationSince 2020
Chicago, IL · 24 mi from Gary
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Lawdog Security & Investigations

Lawdog Security & Investigations

4.4 39 reviews
“We had a family event for the neighborhood, and the two officers did an incredible job of interacting with the people that came through.”
Free consultationLicense #122.001252Serves Chicago areaSince 2012Open 24 hours
Chicago, IL · 24 mi from Gary
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Lawrence Ryan Investigations

Lawrence Ryan Investigations

4.8 27 reviews
“He has his tricks and ways to get a hold of who ever you need to be served and serve him/her”
Since 2016
Oak Lawn, IL · 23 mi from Gary
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The 10 agencies on this page are the private investigators listed for Gary, 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: Gary, IN

The 10 agencies on this page are rated from 3.7 to 5.0 across 185 reviews; 1 has 50 or more reviews and 7 are rated 4.5 or higher. 2 are open around the clock; 8 are open on Saturdays and 5 on Sundays. 6 show a license on their websites and 2 have a BBB rating of A or A+. 6 have ten or more years of experience, the longest 42 years. 2 offer urgent consultations and 4 offer a free initial consultation. We have a website on file for all 10 of the agencies on this page; 9 publish a contact page and 9 list a public email. 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 Gary describe their work online?

All 10 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.

Book onlineBook
Tatone Investigations

Tatone Investigations

5.0 2 reviews
“Do yourself a favor and consult with Don immediately.....”
Free consultationIndiana license #PI20700201Serves Northwest IndianaSince 2000Open 24 hours
Chesterton, IN · 16 mi from Gary
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Heritage Investigations & Surveillance

Heritage Investigations & Surveillance

4.0 2 reviews
“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.”
Since 1982
Chicago, IL · 24 mi from Gary
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Ingenium Consulting Group

Ingenium Consulting Group

5.0 1 review
“Called Ingenium the took care of all the problems.”
Free consultationFlat fees · payment plansVirtual consultations30+ yearsLicensed
Chicago, IL · 24 mi from Gary
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Quality Professional Detective & Security Agency

Quality Professional Detective & Security Agency

3.7 3 reviews
“Excellent and my and helpful, thank you for your attention.”
LicensedSince 2018
Frankfort, IL · 23 mi from Gary
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Why these companies made our list

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