114 security guard and private security companies in Milwaukee, Wisconsin. Ranked by license status, profile views and recommendations.
Part of the directory of security companies in Wisconsin. New to Wisconsin? See how Wisconsin security licensing works.
114 companies · Page 1 of 3
A.P.E. Protection Group LLC
Advanced Private Police LLC
Advanced Surveillance Group Inc
All Your Needs Investigations LLC
Allied Universal
Alysa Kingsawan LLC, DBA MIDWEST ELITE PROTECTION LLC
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Ashford Security Services
Asset Protection Services LLC
Badger State Investigative Services LLC
Barber Investigations LLC
Best Guard Services LLC
Black Knight Patrol LLC
Capitoline Business Intelligence INC
Central Protective Services LLC
Centurion Investigations, Inc.
Christopher Forkner Investigations, LLC
Citywide Public Safety LLC
Community Security Solutions LLC
Corcoran & Krause, Inc.
Cream City Investigations
Davis Protective Agency
Dbp Detective & Security Agency Llc
Deborah DeMeyers Investigations LLC
DLM Investigations LLC
DLM Investigative Services
Durable Contract Services Inc
Eagle Eye Private Security
Elite Protection Specialists Llc
Frison Investigations
Garrett Enterprise LLC
Genesis 2K, Inc.
Glacier Investigations LLC
Great Lakes Private Police Agency
Great Lakes Security Services LLC
GT Private Detective Agency LLC
Hawk Unlimited Inc
Houston Investigations
Infinite Shield Protection Services LLC
Interstate Reporting Co Inc
investigations llc
Investigative Solutions and Resources LLC
J. Jennings Investigations LLC
John Schatzman & Associates
Katts Investigations
Keen Eye LLC
Kvidera Investigations
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Milwaukee is Wisconsin's largest private security market. A deep manufacturing and brewing legacy, the Port of Milwaukee and Lake Michigan industrial corridor, a revitalized downtown and Third Ward, healthcare systems, and major venues — Fiserv Forum, American Family Field, and Summerfest — drive demand across nearly every service line. Industrial and warehouse guards, event and crowd management, corporate lobby and access-control posts, and healthcare officers lead the market, with suburbs like Waukesha, Wauwatosa, West Allis, and Brookfield adding retail loss prevention and residential patrol. As a Wisconsin metro it bills at cost-competitive Midwest rates.
The providers below are ranked on merit, but the final check is yours. Work through these four steps before you sign anything in Milwaukee:
Private security in Wisconsin is licensed at the state level by the the Wisconsin Department of Safety and Professional Services (DSPS). A legitimate company operating in Milwaukee holds a Private Detective/Security Agency license, which means it has cleared Wisconsin DSPS's ownership, background-check and insurance requirements. Ask for that license number in writing and verify it yourself — a certificate on the wall tells you nothing about current standing, since a license can be suspended or revoked.
Specific to Milwaukee: A 2024 Common Council ordinance sought to add city-level background-check, bonding, and licensing requirements for security guards, but a court enjoined its enforcement in April 2024 and the city rescinded it by mid-2024, conceding it was preempted by a 2015 state law barring municipalities from creating new occupational licenses — guard regulation stays state-only. Milwaukee separately still runs its own 'Private First Responder' license for security firms that verify burglar-alarm activations under contract with alarm companies.
Hiring an unlicensed company is a risk you carry. In Wisconsin, operating without a license is misdemeanor (Wis. Stat. § 440.26(8)). Operating unlicensed, or knowingly employing someone who advertises or works unlicensed as a private detective/security person, is fined $100-$500, imprisoned 3-6 months, or both; conviction also makes the offender ineligible for a license for one year and can trigger revocation or suspension of the employing agency's license.
Milwaukee scores 23/100 on our Crime Index (grade F), which makes it safer than 4% of the 759 US cities we track. The index is built from FBI Crime Data Explorer reports for a population of 559,717.
Crime Index
Crime rates describe a city, not a specific address — the right level of coverage depends on your block, your hours and what you're protecting. Use the neighborhood breakdown to see how Milwaukee varies internally before you scope a contract.
See the full Milwaukee Crime Index and neighborhood breakdown