Allied Security Holdings LLC

Allied Security Holdings LLC, doing business as Alliedbarton Security Services, is a for-profit limited liability company that has been registered in the System for Award Management since May 9, 2005. The company operates as a parent entity with multiple subsidiaries—including G4S Secure Solutions (USA) Inc., G4S Secure Integration LLC, G4S (DRC) S.a.r.l., G4S Kenya LIMITED, G4S Security Systems (Guam) Inc., AS G4S Grupp, and G4S Druzba ZA Varovanje D.O.O.—to deliver comprehensive integrated security solutions to federal government agencies. Allied Security Holdings LLC specializes in providing armed and uniformed security personnel, facility protection services, security monitoring systems, transportation services, and electronic security infrastructure to civilian and defense agencies across domestic and international locations.

The company has executed a diverse portfolio of federal contracts reflecting its broad capabilities in security services delivery. Through its subsidiaries, Allied Security Holdings LLC has provided local guard services at U.S. diplomatic missions worldwide, including contracts with the Department of State's Bureau of Diplomatic Security for protective services in countries such as South Africa, Lesotho, Malawi, Bahrain, Austria, Slovenia, Morocco, Paraguay, Costa Rica, Bangladesh, Singapore, and the Democratic Republic of the Congo. The company has also delivered specialized services including quarterly residential alarm monitoring in Kinshasa (valued between $23,500 and $30,700 per delivery order), camera coverage for embassy communications systems in Ljubljana, intercom system installations in Estonia, and proxy access control services for the Defense Health Agency's military medical facilities in Guam. Immigration and Customs Enforcement has awarded the company multiple transportation service contracts through the General Services Administration's Law Enforcement & Security Services (FSS-84) schedule, including significant blanket purchase agreement calls for detention officer transportation services in San Francisco, Los Angeles, Phoenix, and San Antonio, Texas, with individual awards ranging from approximately $6.6 million to $10.5 million. The Department of Energy's Southeastern Power Administration awarded a security guard services delivery order for the company's Tulsa, Oklahoma headquarters in 2023. Additionally, Allied Security Holdings LLC has served as a subcontractor to defense prime contractors including The Boeing Company, BAE Systems Land & Armaments L.P., and Deloitte & Touche LLP on projects ranging from non-production support to technical assistance on global mining sector governance. None of the identified contract awards utilized small business set-aside designations, indicating the company competed on an open market basis across all procurements.

Allied Security Holdings LLC maintains multiple Indefinite Delivery Vehicle (IDV) contracts with federal agencies that serve as master contract vehicles for issuing task orders and delivery orders. The company holds substantial IDV agreements with the Department of State's Bureau of Diplomatic Security for local guard services at U.S. diplomatic missions globally, including a $95 million vehicle for South African operations and individual country-specific contracts valued at amounts exceeding $60 million in several jurisdictions. These diplomatic security IDVs provide flexible task order issuance for armed and uniformed security personnel, facility protection, and related administrative support services at U.S. embassies, consulates, and missions across multiple continents. Immigration and Customs Enforcement has awarded the company significant IDV contracts for transportation and investigative support services, with vehicles valued at approximately $149 million and $453 million respectively, which serve as master contracts for issuing task orders across the southern United States for detention officer transportation and related services. The company also holds a General Services Administration Multiple Award Schedule contract for security guard services, which serves as the parent vehicle for law enforcement and security services delivery orders issued by civilian agencies such as the Department of Energy. These IDV structures enable federal agencies to maintain cost certainty and operational flexibility while leveraging the company's established capabilities and regional presence across strategic domestic and international operating locations.