Allegiance Security Group is a premier security services provider because of our fundamentally unique business concepts Allegiance Security Group believes in investing in our people, so they, in turn, invest in you Founded in 1991 as Allied Protection Services, Allegiance Security Group grew over the next fifteen years into a major provider of security services in the Southeast With over 160 years of cumulative security experience, our leadership team is dedicated to one premise: the support of quality security officers leads to satisfied security clients