The first surprise for anyone licensing a guard company in Wisconsin is the name of the license. There is no “security agency license” to apply for. Wisconsin licenses security companies and investigation firms under the same credential, and the Department of Safety and Professional Services (DSPS) says so plainly in its own application instructions: both private security agencies and private detective agencies are statutorily licensed as a “Private Detective Agency.” An owner who spends an afternoon looking for a security-specific form is looking for something that does not exist.
The regulator is the Wisconsin Department of Safety and Professional Services (DSPS). The law is Wis. Stat. § 440.26, in subchapter II of chapter 440, and the detailed rules are in the Wisconsin Administrative Code, chapters SPS 30 through 35. DSPS’s agency application instructions are Form #456. Everything below was checked against those sources as of September 2026. Forms and fees change, so read the current versions before you apply. This is not legal advice.
The company license: a “private detective agency”
Section 440.26 makes it unlawful to engage in the business of operating a private detective agency, act as a private security person, or act as a supplier of private security personnel without the appropriate license or permit. The statute defines a private security person as any private police, guard, or any person who stands watch for security purposes. If you supply guards to clients, you need the agency license.
The obvious worry is whether the owner must become a licensed private detective. For a guard-only company, generally no. The statute ties the detective license to principals actually engaged in detective work, and DSPS’s Form #456 says owners, partners, officers and LLC members are not required to obtain a private detective license if they do not engage in private detective activities, nor a private security permit if they do not personally work as a private security person. If your company will also do investigations, that changes.
What DSPS does look at is the people behind the application. Under SPS 31.02, everyone who signs the application is screened for, among other things, unpardoned felonies and certain arrest or conviction records, subject to Wisconsin’s fair employment law. SPS 31.03 requires fingerprints for each signer, a photo, proof of the bond or insurance, and a full street address; a P.O. box without a location address is not enough. LLCs and corporations also need to be registered with the Department of Financial Institutions. The statute directs DSPS to seek the advice of local law enforcement as part of the review.
Bond or insurance: $100,000, with a catch for armed work
Section 440.26(4) requires an agency to carry a $100,000 bond or liability policy covering all principals, partners, members or corporate officers, and DSPS will not renew without evidence it is still in force. Form #456 says the coverage must be maintained and reported annually.
The catch is firearms. SPS 31.034 requires an agency that allows anyone to carry a firearm to hold a liability policy covering injury or damage from the use of firearms, and Form #456 says an agency with armed employees may not use a bond. If there is any chance you will take armed contracts, price the liability policy from the start rather than switching mid-stream.

Guards need a Private Security Permit, and it belongs to your agency
Each guard needs a Private Security Permit from DSPS. Under § 440.26(5), the applicant must provide evidence of employment with a private detective agency, which means the permit is tied to your company. The agency keeps DSPS supplied with employee records, including photos and fingerprints, and must notify DSPS in writing within five days of any change, including a termination. DSPS’s permit instructions (Form #2271) show the agency completing its own section of the application.
A temporary permit is available while the regular one is processed. It is valid for 30 days, cannot be renewed, and the holder may not carry a dangerous weapon.
In our reading of the rules, Wisconsin does not set a state training-hours requirement for the unarmed permit; DSPS’s permit requirements list background and employment conditions rather than a course. That makes your own onboarding the real training standard, and clients will ask what it is. The practice rules in SPS 33 do require permit holders to wear a uniform on duty and carry the permit, and the agency to supply name tags.
One exemption is worth knowing: the statute does not apply to an employee of a commercial establishment acting within the scope of that employment. In-house guards at a retailer are treated differently from a contract company’s guards.
Armed guards: a separate permit, 36 hours, and a yearly refresher
Armed work is its own track under SPS 34. An owner or employee may carry only when there is a substantial need, the client and agency agree in writing, and the agency holds a DSPS firearms permit for that person. The firearms permit is valid only while the person works for your agency; if they change employers, the new agency needs a new permit.
Initial firearms training is at least 36 hours. The proficiency certificate is valid for one year and is renewed with a six-hour refresher. Someone without a certificate in the prior five years retakes the full course. DSPS also requires the agency to file a firearms policy, and temporary permit holders cannot be granted firearms permits.
Renewal dates are fixed, not rolling
Section 440.26(3) caps any license at two years, and DSPS sets fixed renewal dates for the whole profession. As of its current renewal dates and fees table, agency licenses renew on August 31 of odd-numbered years and private security permits on August 31 of even-numbered years, while firearms permits run one year from the last firearms training. The state’s credential fees are modest; the bond or insurance is the real cost. Check the current table and DSPS’s LicensE portal for exact amounts before you apply.
The practical effect: a company renews in one summer and its guards in the next, and armed officers are on individual one-year clocks in between.
The local layer: Milwaukee
Milwaukee adopted its own licensing ordinance for security personnel at establishments, effective April 2024, through City of Milwaukee Legislative File 230678. The ordinance text indicates that a guard holding a valid state private security permit satisfies the requirement, but it is aimed at security staff working at establishments, and the details matter. If you have posts in Milwaukee, confirm with the City Clerk’s License Division how it applies to your officers before you staff them. Other cities may have their own requirements; ask.
Mistakes worth avoiding
- Searching for a “security agency” license. You are applying for a private detective agency license.
- Choosing a bond, then taking an armed contract. Armed employees mean a liability policy that covers firearms.
- Missing five-day notices. Every hire and termination has to reach DSPS quickly.
- Moving an armed officer between companies on the old permit. The firearms permit stays with the agency that obtained it.
- Forgetting the yearly firearms refresher. It runs on each officer’s own date, not the August 31 cycle.
Where software fits
Wisconsin’s system gives you a company renewal every other August, guard permits on the alternate year, and a one-year firearms clock per armed officer. In CGuardPro each officer has a document file with expiry dates, and the system sweeps them and raises the ones coming due, so a lapsed permit surfaces in a report rather than at a client’s audit. When shifts are assigned in the scheduler, a current licence is one of the checks that runs, alongside double shifts and minimum rest. Shifts, patrols and incidents recorded in the security guard app give you the documentation clients and regulators ask for.
CGuardPro is trusted by 600+ security companies worldwide. For more on vetting new hires before they reach DSPS, see our guide to background checks for security guards, and for keeping every renewal on the calendar, the license renewal checklist. If you are setting up a Wisconsin operation and want to see how the tracking works, get in touch.