GUARDIAN SECURITY SERVICES, INC
Guardian Security Services, Inc. is a family-owned, second-generation Chicagoland security firm (founded 1975) providing contracted armed and unarmed officers, mobile patrol, residential concierge, and SOC-backed monitoring to enterprise, industrial, financial, and residential clients across the Greater Chicago area.
- Company typePrivate
- Founded1975
- HeadquartersBlue Island, United States
- Headcount501–1,000
- GTM typeB2B
- OfferingServices
What GUARDIAN SECURITY SERVICES, INC does
Guardian Security Services, Inc. is a family-owned, second-generation private security services company headquartered in Blue Island, Illinois, founded in 1975 and serving the Greater Chicagoland Area. The firm provides contracted physical security services — including armed and unarmed officers, mobile patrol, residential door staff and concierge, gated community security, law enforcement officer placements, retail guarding, cannabis dispensary and grow center security, educational campus security, financial institution security, manufacturing and industrial security, logistics and distribution security, and event security — to commercial, industrial, residential, financial, retail, and educational clients.
The company's operational technology stack includes LiveScan electronic fingerprinting equipment that transmits digitally to the Department of Justice, GPS-monitored patrol vehicles feeding a real-time web-based client portal, a GuardTour incident reporting system, access control systems with audit trails, a staffed Security Operations Center (SOC) for real-time monitoring and incident response, and a 24/7 Client Service Center. None of these systems are described as AI-driven. The firm employs between 501 and 1,000 personnel with over 200 years of combined team experience.
Guardian's business model is primarily recurring contract-based revenue from professional security officer placements, augmented by fee-based LiveScan fingerprinting services and security consulting. The go-to-market is sales-led and relationship-driven, targeting enterprise and mid-market clients — including a Fortune 500 ingredient solutions provider, a nationally recognized 100-year-old food producer, a national logistics provider, a major bank (since 2009), and luxury residential buildings (one since 2015) — through direct outreach, consultation requests, and HOA and property management relationships. Pricing is custom-quoted per client requirement and not publicly disclosed, with a stated 98% client retention rate supporting revenue predictability.
GUARDIAN SECURITY SERVICES, INC firmographics
Firmographics- Name
- GUARDIAN SECURITY SERVICES, INC
- Legal name
- Guardian Security Services, Inc.
- Website
- https://guardiansecurityinc.com
- Company type
- Private
- Founded year
- 1975
- Operating status
- Operating
- Headcount range
- 501–1,000 employees
- Short description
- Guardian Security Services, Inc. is a family-owned, second-generation Chicagoland security firm (founded 1975) providing contracted armed and unarmed officers, mobile patrol, residential concierge, and SOC-backed monitoring to enterprise, industrial, financial, and residential clients across the Greater Chicago area.
- Ownership category
- akta.pro rank
GUARDIAN SECURITY SERVICES, INC industry classification
Industry- Product category
- Security Guard Services
- NAICS
- Security Guards and Patrol Services (561612), Investigation, Guard, and Armored Car Services (56161)
- SIC
- Services-Detective, Guard & Armored Car Services (7381)
- akta.pro primary industry
- Manned Guarding & Patrol Services (IMAIAEAA)
- akta.pro secondary industries
- Manned Guarding & Site Security (Static Guards) (BPABAMAA), Residential Security Guarding (Static Posts) (HSAHAKAA)
Keywords
Where GUARDIAN SECURITY SERVICES, INC is headquartered
LocationHeadquarters
- HQ city
- Blue Island
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
GUARDIAN SECURITY SERVICES, INC business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations, Marketing or Sales, Technology or R&D, Infrastructure
Revenue model
- Security Guard Services: Core revenue stream from providing professional security officers (armed and unarmed), door staff, mobile patrol services, and law enforcement security services to commercial, residential, and industrial clients on a contract basis.
- Live Scan Fingerprinting Services: Fee-based live scan fingerprinting services offered to officers, team members, clients, and the general public for background checks.
- Security Consulting and Planning: Expert security consulting, planning, implementation, and evaluation services as part of comprehensive security programs.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Multi-year contract | Customized security solutions with clear, affordable pricing |
Go-to-market motion1 record
Distribution channels3 records
Marketing channels7 records
GUARDIAN SECURITY SERVICES, INC product offering
Product offeringCore offering
Guardian Security Services provides contracted physical security officer services (armed and unarmed), mobile patrol, residential door staff and concierge, and specialized security programs across multiple industry verticals including financial, manufacturing, logistics, retail, education, and cannabis. The company supplements its core guard services with LiveScan electronic fingerprinting, GPS-monitored patrol reporting, access control systems, and a 24/7 Client Service Center for emergency response.
Product overview
Guardian Security Services provides a comprehensive portfolio of physical security services across the Chicagoland area. The company's offerings include Armed Security Officers (certified, vetted personnel for high-risk properties), Mobile Patrol Services (GPS-monitored vehicle patrols with real-time reporting), Residential Door Staff and Concierge Services, Residential Gated Community Security, Law Enforcement Security Services (off-duty officers), Retail Security, Cannabis Dispensary and Grow Center Security, Education Security, Financial Institution Security, Manufacturing and Industrial Security, Logistics and Distribution Security, and Event Security Services. Supporting these core service lines are Live Scan Fingerprinting Services, a 24/7 Client Service Center, and Security Operations Center (SOC) capabilities for real-time monitoring. The company operates as a unified service offering without modular software architecture, delivering integrated security solutions tailored to specific industry sectors including residential, commercial, industrial, financial, retail, cannabis, and educational facilities.
Differentiator
Problem solved
Functional benefit
Products and services
- Armed Security Officer Services Highly vetted and certified armed security officers providing the highest level of private security for high-risk properties, including comprehensive training, certification, and customized solutions for financial institutions, corporate offices, retail establishments, and industrial facilities.
- Mobile Patrol Services Proactive patrol security using distinctive marked vehicles with randomized patterns, real-time GPS monitoring, detailed activity logs, and monthly reporting through a secure online portal with checkpoint inspection confirmations.
- Residential Door Staff and Concierge Services Professional door staff and concierge personnel for high-rise residential buildings, selected and trained for specific properties to provide courteous, friendly service while enhancing luxury appeal and security standards.
- Residential Gated Community Security Comprehensive security solutions for gated residential communities including highly trained security officers who serve as community ambassadors, with over 35 years of experience protecting gated residential clients.
- Law Enforcement Security Services Off-duty, retired, and former law enforcement professionals providing heightened private security, leveraging extensive training to manage various threat levels with professionalism and precision.
- Retail Security Services Tailored security programs for retail establishments including stores and malls, addressing theft, fraud, and vandalism with solutions to enhance customer safety and retail store protection.
- Cannabis Dispensary and Grow Center Security Comprehensive security programs for cannabis operations covering cash handling, high-value inventory, access control, armed and unarmed officers, loss prevention, and Illinois Cannabis Regulation and Tax Act compliance.
- Education Security Services Campus security for educational institutions including residence hall access control, foot and mobile patrols, and augmentation of campus police forces for schools, colleges, and universities.
- Financial Institution Security Security services for financial institutions including armed, unarmed, and law enforcement personnel with expertise in risk assessment, prevention, response, and protection of cash, securities, and monetary instruments.
- Manufacturing and Industrial Security Specialized security solutions for manufacturing and industrial facilities since 1975, addressing theft, shipping loss, employee dishonesty, access control, patrols, and alarm monitoring.
- Logistics and Distribution Security Security services for logistics and distribution facilities including security assessment, planning, theft prevention, fraud investigation, shipping and receiving controls, perimeter protection, and HAZMAT services.
- Live Scan Fingerprinting Services Electronic live scan fingerprinting services using advanced equipment that captures fingerprints digitally and transmits them directly to the Department of Justice and FBI-certified agencies for background processing.
- Event Security Services Professional event security services including risk assessment, strategic planning, visible uniformed presence with plainclothes coverage, rapid coordinated response, and tailored staffing for corporate and private functions.
Quantifiable outcome
- 98% client retention rate
- +6 more outcomes
Companies that use GUARDIAN SECURITY SERVICES, INC
Customer profileNamed customers6 records
Segments9 records
Ideal customer profiles6 records
GUARDIAN SECURITY SERVICES, INC technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature5 records
GUARDIAN SECURITY SERVICES, INC partnerships and signals
Strategic signalPartnerships
Two partnerships are on record, tiered minor and core.
- Industry-Leading Groups (Unspecified)minorGuardian Security partners with industry-leading groups and associations to stay current with developments and trends in the residential gated community sector. Nature of partnership appears to be informational and best practice sharing rather than formal commercial alliance.
- Law Enforcement AgenciescoreGuardian Security maintains partnerships with law enforcement agencies to coordinate security services, particularly for off-duty law enforcement officer placements and situations requiring law enforcement authority. The company was founded by a law enforcement professional with 50+ years of experience.
Scale indicators6 records
Recent moves5 records
Expansion highlights5 records
GUARDIAN SECURITY SERVICES, INC competitors and assessment
Company assessmentDirect peers
- Titan Security Group: Chicago-headquartered security guard and patrol firm with a comparable mix of armed/unarmed officers, residential, commercial and industrial accounts in the Chicagoland market. Operates in the same geography with directly overlapping service categories and customer profiles.
- St. Moritz Security Services: Mid-sized US security guard and protective services company with multi-state footprint and similar vertical mix including industrial, residential and commercial accounts. Closely comparable on size, service breadth, and target customer profile.
- Walden Security: Regional US security guard provider with comparable service portfolio (unarmed/armed officers, mobile patrol, event security) and multi-vertical positioning across residential, commercial, and government accounts.
- SOS Security: NJ-headquartered security guard and protective services firm with national footprint in on-site guarding, event security, and executive protection. Comparable on service mix and end-market verticals.
- National Security Guard (NSG): US security guard contractor with similar asset-light guarding model serving commercial, industrial, and residential customers. Closely comparable on target customer profile and service delivery.
Broad incumbents
- Allied Universal: Largest North American security services company providing manned guarding, security systems, and staffing across virtually all verticals Guardian serves. Competes with Guardian on enterprise and multi-site RFPs in Chicago and threatens regional accounts with national consolidation pitches.
- Securitas USA: Global security services giant with significant Chicagoland presence offering on-site guarding, mobile patrol, and remote guarding. Directly competes on the Fortune 500 and financial institution contracts that anchor Guardian's enterprise book.
- GardaWorld Security Services: Major North American guarding, cash services and security solutions provider with US operations concentrated in key metros. Overlaps with Guardian on industrial, logistics, and commercial accounts in the Midwest.
Regional players
- DFM Development Services / DFM Security: Chicago-area facility services firm providing security, janitorial, and staffing to commercial and residential clients. Competes with Guardian for the same Chicagoland customers through bundled facility service offerings.
Emerging players
- Pro-Patrol Security Services: Independent Chicago-area security guard and patrol services provider focused on commercial and residential accounts. Overlaps with Guardian on account types though typically less established and with smaller headcount.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks6 records
Key highlights7 records
Customer concentration
GUARDIAN SECURITY SERVICES, INC social profiles
Digital presenceGUARDIAN SECURITY SERVICES, INC financial estimates
Financial estimateRevenue estimate
Valuation estimate
GUARDIAN SECURITY SERVICES, INC leadership team
Management profileNumber of profiles
Profiles1 record
GUARDIAN SECURITY SERVICES, INC funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
GUARDIAN SECURITY SERVICES, INC M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about GUARDIAN SECURITY SERVICES, INC
What does GUARDIAN SECURITY SERVICES, INC do?
Guardian Security Services provides contracted physical security officer services (armed and unarmed), mobile patrol, residential door staff and concierge, and specialized security programs across multiple industry verticals including financial, manufacturing, logistics, retail, education, and cannabis. The company supplements its core guard services with LiveScan electronic fingerprinting, GPS-monitored patrol reporting, access control systems, and a 24/7 Client Service Center for emergency response.
Is GUARDIAN SECURITY SERVICES, INC a public or private company?
GUARDIAN SECURITY SERVICES, INC is a private company. It is classified as family owned and is currently operating.
When was GUARDIAN SECURITY SERVICES, INC founded?
GUARDIAN SECURITY SERVICES, INC was founded in 1975. It employs 501 to 1,000 people.
Where is GUARDIAN SECURITY SERVICES, INC based?
GUARDIAN SECURITY SERVICES, INC is headquartered in Blue Island, United States, in the North America region.
How does GUARDIAN SECURITY SERVICES, INC make money?
Three revenue lines are on record. Security Guard Services are the primary driver. The others are live Scan Fingerprinting Services and security Consulting and Planning.
Who are GUARDIAN SECURITY SERVICES, INC's main competitors?
Direct peers on record are Titan Security Group, St. Moritz Security Services, Walden Security, SOS Security and National Security Guard (NSG). Broad incumbents are Allied Universal, Securitas USA and GardaWorld Security Services. DFM Development Services / DFM Security is listed as a regional player. Pro-Patrol Security Services is listed as an emerging player.
Does GUARDIAN SECURITY SERVICES, INC have an API?
No public API is recorded for GUARDIAN SECURITY SERVICES, INC.
What industry is GUARDIAN SECURITY SERVICES, INC in?
GUARDIAN SECURITY SERVICES, INC's product category is Security Guard Services. Its primary akta.pro industry code is IMAIAEAA, Manned Guarding & Patrol Services, with a secondary code of BPABAMAA, Manned Guarding & Site Security (Static Guards). Its NAICS code is 561612 and its SIC code is 7381.