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The Best Private Security in Plymouth, IL

4.2 Average Rating
3 Top Providers
415 Reviews

We've researched and vetted the top private security companies serving Plymouth, Illinois. These providers have been selected based on customer ratings, years of experience, licensing compliance, and service quality. Each company offers comprehensive security solutions with verified track records.

#1

Allied Universal Security Services

Founded 2016
12 years (local presence) experience
4.2
180 reviews

As one of the largest security companies in North America, Allied Universal maintains a strong regional presence in central Illinois with comprehensive security solutions. They provide professional security officers and mobile patrol services to businesses throughout the Plymouth area, backed by extensive training programs and 24/7 monitoring capabilities. Their Peoria branch serves as the regional hub for surrounding communities including Plymouth, offering reliable security personnel and advanced technology integration.

Services Offered

Armed Security OfficersUnarmed Security OfficersMobile PatrolAccess Control
Address
2327 W Reservoir Blvd, Peoria, IL 61605
Website
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#2

Securitas Security Services USA

Founded 1999
15 years (regional operations) experience
4.1
150 reviews

Securitas operates throughout central Illinois with a proven track record of providing professional security services to commercial and industrial clients. Their Peoria location serves as the primary service center for the Plymouth region, offering trained security professionals, regular mobile patrols, and integrated security solutions. With global expertise and local implementation, they provide consistent, reliable security coverage with responsive customer service and customized security plans for businesses in the area.

Services Offered

Guard ServicesMobile PatrolAlarm ResponseVideo Surveillance
Address
7600 N Caldwell Ave, Peoria, IL 61615
Website
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#3

Diamond Detective & Security Services, Inc.

Founded 2012
10 years experience
4.4
85 reviews

As a respected regional security provider based in Peoria, Diamond Detective & Security Services has built a strong reputation for responsive service and professional security personnel throughout central Illinois. They offer comprehensive security solutions including armed and unarmed guards, mobile patrol services, and specialized event security. Their local ownership and management ensure personalized attention to client needs in the Plymouth area, with quick response times and flexible security arrangements tailored to specific business requirements.

Services Offered

Security GuardsEvent SecurityPrivate InvestigationsAlarm Response
Address
7405 N University St, Peoria, IL 61614
Website
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Frequently Asked Questions

Common questions about private security services in Plymouth, Illinois:

QWhat are the licensing requirements for private security guards and companies operating in Plymouth, Illinois?

In Illinois, all private security contractors and individual security guards must be licensed by the Illinois Department of Financial and Professional Regulation (IDFPR). Companies need a Private Detective Agency license, and guards must hold a Permanent Employee Registration Card (PERC). Additionally, guards must complete 20 hours of basic training from an approved provider. For Plymouth specifically, security firms should also check with the Plymouth Village Clerk or local law enforcement to ensure compliance with any municipal ordinances regarding security services.

QWhat types of private security services are most commonly used by residents and businesses in Plymouth, Illinois?

In a smaller community like Plymouth, common private security services include residential patrols for farms and rural properties, event security for local festivals or private gatherings, and business security for small shops, grain elevators, or manufacturing facilities. Given the agricultural nature of the area, many residents also utilize remote property monitoring and alarm response services to protect outbuildings, equipment, and livestock from theft or vandalism, especially in isolated locations outside the village limits.

QHow much does it typically cost to hire private security services in Plymouth, Illinois?

Costs in Plymouth are generally lower than in urban areas but vary based on services. Unarmed security guards typically range from $20 to $30 per hour, while armed guards may cost $30 to $45 per hour. For ongoing services like regular patrols of a farm or business, many local companies offer monthly contracts starting around $500-$800, depending on frequency and scope. Event security for a local wedding or community event might be priced as a flat fee, often $200-$500 for a few hours. Always request detailed quotes from Plymouth-area providers.

QWhat should I look for when hiring a private security company in Plymouth to ensure they are reputable and reliable?

When hiring in Plymouth, verify the company holds a valid Illinois Private Detective Agency license and that their guards have PERC cards and required training. Check for local references—especially from other farmers, business owners, or event organizers in the Plymouth area. Inquire about their familiarity with local geography and response protocols, including how they coordinate with the Plymouth Police Department or Hancock County Sheriff's Office. Also, confirm they carry liability insurance and workers' compensation coverage specific to Illinois requirements.

QCan private security guards in Plymouth, Illinois make arrests or detain individuals?

Private security guards in Illinois, including those in Plymouth, do not have general police powers. They can make a citizen's arrest under the same conditions as any private individual—typically only if they witness a felony or a breach of the peace. However, their primary role is to observe, report, and deter crime. They can detain someone temporarily until law enforcement arrives if they have reasonable suspicion of criminal activity on the property they are hired to protect. All actions must comply with Illinois law, and guards should have clear protocols for contacting the Hancock County Sheriff or Plymouth Police in such situations.

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