G4S
3.3 out of 5 stars.
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About G4S

In 2021, G4S, a London-based global security company, was acquired by Allied Universal®, a leading security and facility services company that provides proactive security services and cutting-edge smart technology to deliver tailored, integrated security solutions. This acquisition expands Allied Universal’s footprint and infrastructure on a global – 
Correctional ServicesFacilities ManagementOffender ManagementCustodial Services
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