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Cornerstone Protection & Investigations LLC
Licensed
Green Bay, Wisconsin
Private security company · Security Guards, Executive Protection, Event Security in Green Bay, Wisconsin
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About Cornerstone Protection & Investigations LLC
Cornerstone Protection & Investigations LLC is a state-licensed private security company. It operates in Green Bay, Wisconsin. License class: Private Detective/Security Agency (WI DSPS).
Main Services
Security Guards
Professional private security service.
Executive Protection
Professional private security service.
Event Security
Professional private security service.
Residential & HOA Security
Professional private security service.
Mobile Patrol
Professional private security service.
Fire Watch Services
Professional private security service.
Construction Site Security
Professional private security service.
Armed Security Guards
Professional private security service.
Warehouse & Industrial Security
Professional private security service.
Corporate Security
Professional private security service.
Loss Prevention & Retail Security
Professional private security service.
Private Investigation
Professional private security service.
State License
License number
WI 20140-62
Private Detective/Security Agency (WI DSPS)
License class on record with the state regulator.
This information comes from official state licensing records (e.g., California BSIS, Illinois IDFPR) and reflects what the company has on file with its state regulator. License: WI 20140-62. Learn how to verify a Wisconsin security license yourself.
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Before you hire in Wisconsin
Wisconsin Security Guard & Company License: Requirements & How to Verify (2026)
Hiring security in Wisconsin? Here's who regulates it, what a company and its guards must be licensed to hold, how armed guards are permitted, and how to verify a license yourself in minutes.
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How Much Does a Security Guard Cost? (2026 US Pricing Guide)
Unarmed guards typically run $20–$35 an hour and armed guards $35–$75 — but the number on your quote is built from local wages, insurance, and coverage hours, and it varies by 50% across states. Here's how security pricing actually works in 2026, state by state, and how to avoid overpaying.
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How to Hire a Security Guard Company: A Step-by-Step Guide (2026)
Hiring security is easy to get wrong — the cheapest bid is often the riskiest. This step-by-step guide walks you through vetting a licensed company the right way, from license checks and state-by-state training standards to the questions that separate pros from pretenders.
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Crime in Green Bay
Green Bay scores 69/100 on our Crime Index (grade C) — safer than 43% of the US cities we track. Worth knowing before you scope a guard contract.
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Contact
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