Security Guard & Private Security Companies in Janesville, Wisconsin

11 security guard and private security companies in Janesville, Wisconsin. Ranked by license status, profile views and recommendations.

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11 companies

Altstadt & Associates LLC

State Licensed

Janesville, WI

Security GuardsEvent SecurityResidential & HOA Security+8

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ISI Group USA LLC

State Licensed

Janesville, WI

Security GuardsEvent SecurityResidential & HOA Security+8

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LaW Consulting

State Licensed

Janesville, WI

Security GuardsEvent SecurityResidential & HOA Security+9

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Liberty Private Investigation Services LLC

State Licensed

Janesville, WI

Security GuardsEvent SecurityResidential & HOA Security+8

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Markley Investigations Inc

State Licensed

Janesville, WI

Security GuardsEvent SecurityResidential & HOA Security+8

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North Central Emergency Services LLC

State Licensed

Janesville, WI

Security GuardsEvent SecurityResidential & HOA Security+8

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Onderzoek, LLC

State Licensed

Janesville, WI

Security GuardsEvent SecurityResidential & HOA Security+8

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Professional Investigation & Protection Inc

State Licensed

Janesville, WI

Security GuardsExecutive ProtectionEvent Security+9

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Public Safety of Wisconsin

State Licensed

Janesville, WI

Security GuardsEvent SecurityResidential & HOA Security+8

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Security Executive Enterprises

State Licensed

Janesville, WI

Security GuardsExecutive ProtectionEvent Security+9

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Ti2 Agency, Inc

State Licensed

Janesville, WI

Security GuardsEvent SecurityResidential & HOA Security+8

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State Licensed (multi-state) — active license confirmed with the state licensing board; operates in two or more states.State Licensed — active license on file with its state's licensing board (most local companies).Verification pending — company listed from public business records; its license hasn't been confirmed yet.

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Security guard services in Janesville

Security Guards in Janesville Armed Security Guards in Janesville Mobile Patrol in Janesville Event Security in Janesville Fire Watch Services in Janesville Loss Prevention & Retail Security in Janesville Corporate Security in Janesville Warehouse & Industrial Security in Janesville Residential & HOA Security in Janesville Construction Site Security in Janesville Private Investigation in Janesville

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State Licensed Security Companies in Janesville

Only companies with a verified, active state license.

Best Security Companies in Janesville

Ranked by reviews, recommendations and license status.

How safe is Janesville?

See the FBI-based Crime Index for Janesville.

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Private security in Janesville

Janesville anchors Rock County in southern Wisconsin along the I-90 corridor between Madison and the Illinois line, a manufacturing and distribution center with a large logistics footprint. Distribution centers and warehousing, manufacturing plants, regional healthcare, and retail corridors drive demand for warehouse and site guards, gate and dock access control, healthcare officers, and retail and mobile patrol, with Beloit and the Walworth County communities adding logistics, commercial, and residential work at cost-competitive Midwest rates.

How to choose a security company in Janesville

The providers below are ranked on merit, but the final check is yours. Work through these four steps before you sign anything in Janesville:

1Verify the license yourself. Ask for the license number in writing and look it up on the official state registry — not the certificate the company shows you. A license can be expired, suspended or revoked while the paperwork still looks valid.
2Check the guards, not just the company. A licensed firm can still staff your site with unregistered officers. Ask whether the guards actually assigned to you hold current credentials, and who covers a no-show.
3Get the certificate of insurance directly from the carrier. Request it naming you as certificate holder. If a guard is injured or causes harm on your property and the provider is uninsured, that liability lands on you.
4Compare 2–3 written quotes. Insist on the bill rate, the guard's pay rate and what happens on overtime and holidays. A quote well under the local market usually means an underpaid post with high turnover — which is how coverage gaps start.

Security licensing requirements in Wisconsin

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 Janesville 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.

Guard credential: a Private Security Permit (the holder is a “Private Security Person”); no state-mandated unarmed training — the permit requires an application, fingerprints, and a state and FBI background check with an absolute felony bar
Armed officers: a DSPS Firearms Permit (or, alternatively, a Wisconsin concealed-carry license); a 36-hour firearm training program for the DSPS Firearms Permit (valid one year, with a 6-hour annual refresher) · Minimum age 18
Insurance: $100,000 in liability coverage or a bond — but if any employee is armed, liability insurance is required and a bond is not allowed
Renewal: Licenses renew every two years (the individual permit in even years, the agency license in odd years) — check the issue date, not just the status.

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.

Verify a license on Wisconsin DSPS — License Lookup Full Wisconsin licensing guide

How safe is Janesville? The data behind the decision

Janesville scores 83/100 on our Crime Index (grade B), which makes it safer than 76% of the 759 US cities we track. The index is built from FBI Crime Data Explorer reports for a population of 66,624.

83/100

BSafe

Crime Index

Violent crime: 123; per 100,000 residents
Property crime: 1,566; per 100,000 residents
Homicide: 6; per 100,000 residents

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 Janesville varies internally before you scope a contract.

See the full Janesville Crime Index and neighborhood breakdown

Frequently asked questions about private security in Janesville

Do security guards in Janesville need a state license?

Yes. Security in Wisconsin is regulated by the Department of Safety and Professional Services (DSPS), not the city. The agency must hold a Private Detective/Security Agency credential (DSPS credential type 62, which covers both guard and detective agencies), and each officer must hold an individual Private Security Person permit. There's no separate local Janesville license. Given the volume of distribution and logistics work here, confirm the provider's DSPS agency credential, its individual guard permits, and its insurance on the DSPS online license lookup before committing.

Why is warehouse and distribution security a core service in Janesville?

Janesville anchors Rock County along the I-90/I-39 corridor between Madison and the Illinois line, with a large logistics footprint. Distribution centers and warehousing drive heavy demand for warehouse and site guards, gate and dock access control, overnight yard patrol, and cargo-theft prevention — with risk concentrating after hours. Manufacturing plants add industrial coverage, regional healthcare needs de-escalation-trained officers, and the Milton Avenue retail corridor sustains loss-prevention work. Beloit and the Walworth County communities contribute further logistics and commercial demand. A provider with real supply-chain experience is essential for the warehouse sites.

How much does security cost in Janesville?

Janesville bills at cost-competitive Midwest rates, below the coasts and near the middle of the Wisconsin range, with its corridor location keeping wages moderate. A standing unarmed post over a 12-hour daily shift runs a monthly rate built on roughly $17–$26/hour before markup; armed and healthcare posts bill higher, while shared warehouse patrol across a route costs far less per property than a dedicated standing guard. Request two or three quotes from DSPS-licensed agencies and compare coverage models — standing post, patrol, or a mix — for your sites.

What other security demand exists in Janesville and Beloit?

Beyond distribution, Janesville's manufacturing plants need industrial site guards and gate control, regional hospital and medical campuses need around-the-clock de-escalation-trained officers, and retail corridors sustain loss-prevention and mobile patrol. Beloit and the surrounding Rock and Walworth County communities add logistics, commercial and residential work. Many buyers want a provider that can cover both the warehouse-and-logistics base and everyday healthcare, retail or residential posts, staffed with licensed DSPS officers across the southern Wisconsin service area.

How many private security companies are there in Janesville?

Our directory lists 11 security guard and private security companies in Janesville. Most hold an active license with the the Wisconsin Department of Safety and Professional Services (DSPS) (Wisconsin DSPS) and offer on-site security guards, executive protection, corporate security, mobile patrol and alarm monitoring.

How are security companies in Janesville ranked?

Companies are ranked on merit: those with a verified, active state license come first, followed by verified reviews and track record. Reviews count 7 days after they're published. If you only want to see companies with a verified license, check the list of state licensed security companies in Janesville.

How much does it cost to hire private security in Janesville?

Costs vary by service type. A security guard post in Janesville runs between $7,200 and $12,000 per month for a 12h daily post; an executive protection agent between $14,000 and $32,000 per month; event security between $32 and $54 per guard per hour. We recommend requesting 2-3 quotes to compare.

What services do private security companies in Janesville offer?

Security companies in Janesville offer on-site security guards, armed security, mobile patrol, event security, executive protection, corporate security, warehouse and industrial security, residential and HOA security, alarm monitoring, video surveillance and security consulting. Each profile details the specific services each provider offers.

How do I verify that a security company in Janesville is licensed?

Each profile shows the company's license status and, where available, its license number. Cross-check it on Wisconsin DSPS's public license lookup. If a company doesn't appear, or its license shows as expired, suspended or revoked, don't hire it. The official lookup for Wisconsin is Wisconsin DSPS — License Lookup: https://license.wi.gov/s/license-lookup

How do I request security quotes in Janesville?

Use our quote form to describe what you need (type of service, area within Janesville, shifts, number of guards) and we share your request with licensed companies so interested providers can contact you with a quote. It's 100% free with no obligation.

How quickly can I hire private security in Janesville?

For standard services like on-site guards or alarm monitoring, coverage can typically start within 48-72 hours of accepting a quote. For specialized services (executive protection, large events), expect 5-10 business days for personnel selection, screening and site onboarding.

What's the risk of hiring an unlicensed security company in Janesville?

If an incident occurs involving personnel from an unlicensed company, you can face negligent-hiring liability. Unlicensed operators also frequently lack certified training, guard registration (guard cards) and active liability insurance, and states can fine businesses that knowingly use them. Always verify the state license before signing a contract.

Private security in Janesville

How to choose a security company in Janesville

The providers below are ranked on merit, but the final check is yours. Work through these four steps before you sign anything in Janesville:

1Verify the license yourself. Ask for the license number in writing and look it up on the official state registry — not the certificate the company shows you. A license can be expired, suspended or revoked while the paperwork still looks valid.

2Check the guards, not just the company. A licensed firm can still staff your site with unregistered officers. Ask whether the guards actually assigned to you hold current credentials, and who covers a no-show.

3Get the certificate of insurance directly from the carrier. Request it naming you as certificate holder. If a guard is injured or causes harm on your property and the provider is uninsured, that liability lands on you.

4Compare 2–3 written quotes. Insist on the bill rate, the guard's pay rate and what happens on overtime and holidays. A quote well under the local market usually means an underpaid post with high turnover — which is how coverage gaps start.

Security licensing requirements in Wisconsin

Guard credential

a Private Security Permit (the holder is a “Private Security Person”)

no state-mandated unarmed training — the permit requires an application, fingerprints, and a state and FBI background check with an absolute felony bar

Armed officers

a DSPS Firearms Permit (or, alternatively, a Wisconsin concealed-carry license)

a 36-hour firearm training program for the DSPS Firearms Permit (valid one year, with a 6-hour annual refresher) · Minimum age 18

Insurance

$100,000 in liability coverage or a bond — but if any employee is armed, liability insurance is required and a bond is not allowed

Renewal

Licenses renew every two years (the individual permit in even years, the agency license in odd years) — check the issue date, not just the status.

Frequently asked questions about private security in Janesville

Do security guards in Janesville need a state license?

Why is warehouse and distribution security a core service in Janesville?

How much does security cost in Janesville?

What other security demand exists in Janesville and Beloit?

How many private security companies are there in Janesville?

How are security companies in Janesville ranked?

How much does it cost to hire private security in Janesville?

What services do private security companies in Janesville offer?

How do I verify that a security company in Janesville is licensed?

How do I request security quotes in Janesville?

How quickly can I hire private security in Janesville?

What's the risk of hiring an unlicensed security company in Janesville?