Citadel Security
Citadel Security is a veteran-led private physical security firm providing manned guarding, armed security, mobile patrol, event security, fire watch, and AI-augmented integrated security to commercial, industrial, healthcare, government, energy, and construction clients across six U.S. states.
- Company typePrivate
- Founded2007
- HeadquartersNixa, United States
- Headcount101–250
- GTM typeB2B
- OfferingServices
What Citadel Security does
Citadel Security is a privately held, veteran-led physical security services provider founded in 2007 and headquartered in Nixa, Missouri. The company delivers a portfolio of manned guarding services—unarmed and armed officers, mobile patrol, event security, corporate/executive protection, and fire watch—to more than 1,000 clients across at least nine verticals (commercial properties, industrial and manufacturing, financial services, healthcare, government, residential, energy, construction, and events) in six U.S. states (Missouri, Kansas, Colorado, Iowa, Kentucky, and Utah). Citadel reports 95%+ client retention and protection of $4B-$10B in client assets across its portfolio.
The core service portfolio is delivered through a regional management model in which empowered local leaders make real-time operational decisions. Citadel layers technology onto its officer base via a 24/7/365 Security Operations Center (SOC) that integrates the IMMIX alarm-monitoring platform, Calipsa AI video analytics for false-alarm filtering and intrusion detection, and TrackTik for GPS-verified scheduling, patrol logging, and incident documentation. The Integrated Security product combines cameras, mobile patrols, and dispatch under the SOC layer, sold as an add-on to core guard contracts. Fire Watch Services provides specialized compliance coverage when fire protection systems are impaired.
Citadel operates a managed-services revenue model with quote-based, customized contracts priced on coverage hours, property requirements, and service complexity. Distribution is primarily through direct enterprise field sales targeting mid-to-large organizations, supported by inbound website inquiries. Following its May 2025 acquisition by Kansas City-based private equity firm Great Range Capital, Citadel has pursued a buy-and-build strategy, acquiring Metropolitan Protective Services (Denver, May 2025) and Midwest Security (May 2026), and forming a strategic partnership with Code 4 Security Services in February 2026. The co-founders—Justin Hale (CEO) and Todd DeJong (CAO)—retained leadership, with new senior hires including CFO Ryan Snyder (April 2025) and COO Walter Chi (April 2026) added to support integration and scaling.
Citadel Security firmographics
Firmographics- Name
- Citadel Security
- Legal name
- Citadel Security USA, Inc.
- Website
- https://citadelsecurityusa.com
- Company type
- Private
- Founded year
- 2007
- Operating status
- Operating
- Headcount range
- 101–250 employees
- Short description
- Citadel Security is a veteran-led private physical security firm providing manned guarding, armed security, mobile patrol, event security, fire watch, and AI-augmented integrated security to commercial, industrial, healthcare, government, energy, and construction clients across six U.S. states.
- Ownership category
- akta.pro rank
Citadel Security industry classification
Industry- Product category
- Physical Security Services
- NAICS
- Security Guards and Patrol Services (561612), Security Systems Services (except Locksmiths) (561621), Investigation, Guard, and Armored Car Services (56161)
- SIC
- Services-Detective, Guard & Armored Car Services (7381), Services-Facilities Support Management Services (8744)
- akta.pro primary industry
- Manned Guarding & Patrol Services (IMAIAEAA)
- akta.pro secondary industries
- Static Guarding (Access Control, Reception & Gatehouse) (BPAKAAAA), Security Systems Monitoring & Dispatch (SOC/Remote Guarding) (IMAIAEAF), Remote Video Guarding / Virtual Patrol (Guard + CCTV) (BPAKAAAL), Executive Protection & VIP Close Protection (THAHALAE), Residential & Community Guarding (HOAs, Gated Communities) (BPAKAAAE)
Keywords
Where Citadel Security is headquartered
LocationHeadquarters
- HQ city
- Nixa
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
Citadel Security business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations, Technology or R&D, Marketing or Sales, Infrastructure
Revenue model
- Security Guard Services: Professional security officers providing unarmed guard services for property protection, access control, and patrol operations. Delivered through recurring service contracts with clients across multiple industries.
- Armed Security Services: Licensed armed officers providing enhanced protection for high-risk environments, combining threat deterrence with de-escalation expertise.
- Mobile Patrol Services: Marked patrol vehicles delivering rapid response, on-site visibility, and consistent protection across client properties. Billed based on patrol coverage hours and frequency.
- Event Security: Expertly coordinated security for events from access control to emergency response. Typically project-based or contracted for recurring event coverage.
- Corporate Security: Discreet executive protection and corporate campus security services for high-profile clients and operations requiring elevated security.
- Integrated Security Solutions: AI-powered monitoring combining cameras, mobile patrols, and 24/7 dispatch. Integrated technology-augmented security services with monitoring fees.
- Fire Watch Services: Licensed fire watch officers providing around-the-clock monitoring when fire protection systems are impaired, ensuring compliance and safety until systems are restored.
Go-to-market motion1 record
Distribution channels2 records
Marketing channels4 records
Citadel Security product offering
Product offeringCore offering
Citadel Security is a contracted manned guarding and physical security services provider delivering unarmed security guards, armed officers, marked mobile patrols, event security, corporate/executive protection, and fire watch across commercial, industrial, healthcare, government, energy, construction, financial services, residential, and event clients. Services are delivered through a regional management model and augmented by an Integrated Security layer that combines on-site patrols, cameras, and a 24/7 Security Operations Center (SOC) using AI-enabled video analytics to filter false alarms, verify events, and coordinate response.
Product overview
Citadel Security offers a portfolio of physical security services built around manned guarding, mobile patrols, event security, and corporate protection. The core offering consists of five guard service types (Security Guard Services, Armed Security, Mobile Patrol Services, Event Security, Corporate Security) delivered through a regional management model with empowered local decision-making. The Integrated Security add-on layer enhances core services with AI-powered monitoring through a proprietary Security Operations Center (SOC), combining IMMIX monitoring platform with Calipsa AI video analytics to provide 24/7 centralized coordination, alarm verification, and real-time response. Fire Watch Services provides specialized compliance coverage when fire protection systems are offline. The company has grown through acquisitions including Midwest Security and Metropolitan Protective Services, supported by private equity partner Great Range Capital.
Differentiator
Problem solved
Functional benefit
Products and services
- Security Guard Services Proactive, high-visibility patrols and access control from unarmed officers who help keep commercial, industrial, healthcare, government, and other client properties safe and secure. Sold to mid-market and enterprise clients under recurring service contracts.
- Armed Security Licensed and specially trained armed officers that combine threat deterrence with de-escalation expertise to manage high-risk environments with confidence and control. Targeted at enterprises and government sites needing enhanced protection.
- Mobile Patrol Services Marked mobile patrol units that deliver rapid response, strong on-site visibility, and consistent, reliable protection across client properties. Billed based on patrol coverage hours and frequency.
- Event Security Expertly coordinated event security covering access control, crowd management, and emergency response to protect guests at large-scale events. Delivered as project-based or recurring contracted coverage.
- Corporate Security Discreet, professional protection for executives, corporate campuses, high-end office complexes, and operations requiring elevated security and trust. Targets corporate and high-profile clients.
- Integrated Security AI-powered integrated security combining cameras, mobile patrols, and 24/7 dispatch through the Citadel Security Operations Center to stop threats early, reduce false alarms, and cut costs. Enhances core guard services with centralized monitoring.
- Security Operations Center (SOC) Centralized coordination hub operating 24/7/365 that monitors activity, verifies alerts, coordinates response, and documents incidents across multiple locations, integrating the IMMIX monitoring platform with Calipsa AI video analytics.
- Fire Watch Services Licensed fire watch officers providing around-the-clock monitoring when fire alarm, sprinkler, or suppression systems are offline, ensuring compliance and rapid emergency response until fire protection systems are restored.
Quantifiable outcome
- 18 years of consistent security operations since founding in 2007
- +3 more outcomes
Companies that use Citadel Security
Customer profileNamed customers2 records
Segments10 records
Ideal customer profiles7 records
Citadel Security technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Integration3 records
AI capability3 records
Feature5 records
Citadel Security partnerships and signals
Strategic signalPartnerships
Two partnerships are on record, tiered core and minor.
- Code 4 Security ServicescoreStrategic partnership announced February 2026 to expand Citadel's leadership team and service capabilities. Code 4 Integration further strengthens Utah operations with advanced operational support and local leadership. Represents Citadel's commitment to growth through complementary partnerships.
- Folds of HonorminorCitadel joined Folds of Honor, an organization providing educational scholarships to spouses and children of America's fallen or disabled service members and first responders. Citadel employees contribute monthly donations ($13 per employee) to support scholarship programs. Partnership reflects Citadel's veteran-owned culture and commitment to service.
Scale indicators7 records
Recent moves9 records
Expansion highlights6 records
Citadel Security competitors and assessment
Company assessmentBroad incumbents
- Allied Universal: Largest US manned security services provider offering guard, patrol, and integrated security across all 50 states. Comparable to Citadel's core manned guarding offering but at vastly greater scale and geographic breadth.
- GardaWorld: Canadian-based global security services firm with significant US footprint in manned guarding, cash services, and mobile patrol. Competes for enterprise and government accounts similar to Citadel.
- Securitas USA: US arm of global security giant Securitas AB, providing uniformed guarding, mobile patrol, and electronic security. Directly competes for the same commercial, industrial, and government contracts Citadel pursues.
- Prosegur Security USA: US arm of global security group Prosegur offering manned guarding, electronic security, and cash logistics. Competes for enterprise contracts similar to Citadel's customer base.
Direct peers
- Covenant Security Solutions: US private security company offering armed/unarmed guards, patrol, and event security to commercial and government clients. Comparable mid-market positioning to Citadel.
- PalAmerican Security: US-focused security guard services provider serving commercial, industrial, and residential accounts with a multi-state footprint. Directly comparable mid-market competitor to Citadel.
- Per Mar Security Services: Privately held, multi-generation US security company offering uniformed officers, patrol, alarm monitoring, and integrated security. Closely comparable to Citadel's full-service portfolio and multi-state footprint.
- St. Moritz Security Services: Mid-size US private security firm offering uniformed guards, mobile patrol, and security consulting across multiple states. Closely comparable scale and service mix to Citadel.
- Titan Security Group: Chicago-based private security firm providing uniformed guards, patrol, and specialized services across the Midwest. Direct competitor in Citadel's geographic core.
- TriCorps Security & Patrol: Privately held US security firm providing manned guarding, mobile patrol, and concierge security across multiple states including the Midwest. Highly comparable size and offering to Citadel.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks6 records
Key highlights7 records
Customer concentration
Citadel Security social profiles
Digital presenceCitadel Security financial estimates
Financial estimateRevenue estimate
Valuation estimate
Citadel Security leadership team
Management profileNumber of profiles
Profiles5 records
Citadel Security subsidiaries and ownership
Company hierarchySubsidiaries2 records
Citadel Security funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Citadel Security 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 Citadel Security
What does Citadel Security do?
Citadel Security is a contracted manned guarding and physical security services provider delivering unarmed security guards, armed officers, marked mobile patrols, event security, corporate/executive protection, and fire watch across commercial, industrial, healthcare, government, energy, construction, financial services, residential, and event clients. Services are delivered through a regional management model and augmented by an Integrated Security layer that combines on-site patrols, cameras, and a 24/7 Security Operations Center (SOC) using AI-enabled video analytics to filter false alarms, verify events, and coordinate response.
Is Citadel Security a public or private company?
Citadel Security is a private company. It is classified as private equity controlled and is currently operating.
When was Citadel Security founded?
Citadel Security was founded in 2007. It employs 101 to 250 people.
Where is Citadel Security based?
Citadel Security is headquartered in Nixa, United States, in the North America region.
How does Citadel Security make money?
Seven revenue lines are on record. Security Guard Services are the primary driver. The others are armed Security Services, mobile Patrol Services, event Security, corporate Security, integrated Security Solutions and fire Watch Services.
Who are Citadel Security's main competitors?
Broad incumbents on record are Allied Universal, GardaWorld, Securitas USA and Prosegur Security USA. Direct peers are Covenant Security Solutions, PalAmerican Security, Per Mar Security Services, St. Moritz Security Services, Titan Security Group and TriCorps Security & Patrol.
Does Citadel Security have an API?
No public API is recorded for Citadel Security.
What industry is Citadel Security in?
Citadel Security's product category is Physical Security Services. Its primary akta.pro industry code is IMAIAEAA, Manned Guarding & Patrol Services, with a secondary code of BPAKAAAA, Static Guarding (Access Control, Reception & Gatehouse). Its NAICS code is 561612 and its SIC code is 7381.