Our Story

About Us

Allied Universal

Since 1957, we have been keeping people safe, protecting our clients' brands, and providing peace of mind.

Our Story

Allied Universal® is a leading security and facility services company. We provide proactive security services and cutting-edge smart technology to deliver evolving, tailored solutions that allow our clients to focus on their core business. Our excellence starts with our local leadership and local presence.

Operating in 90 countries, our experienced team of 800,000+ employees help to deliver our promise globally and locally: keeping people safe so our customers and communities can thrive.

As we build the world's best services company, we continue to expand our footprint and infrastructure on a global and local level. In North America, we operate our business under the existing Allied Universal brand, and our international business operates under the G4S brand.

We believe there is no greater purpose than serving and safeguarding customers, communities and people in today's world. Allied Universal is There for you®.

Our History

Our History

Today, as a global leader in integrated security solutions, Allied Universal has grown organically and through acquisitions. Throughout this journey, Allied Universal continues to expand its suite of services and geographic markets to offer proactive security services and cutting-edge smart technology to its worldwide base of clients.

Allied Security Founded

Universal Protection Services Founded

Allied Security acquisition of Barton Protective Services, creating AlliedBarton

Guardsmark acquired by Universal

AlliedBarton and Universal Protection Services merge, creating Allied Universal

US Security Associates acquisition

Securadyne System acquisition

Allied Universal completes acquisition of G4S

There for you®, serving and safeguarding customers, communities, and people in today's world.
Allied Universal®, through its unparalleled customer relationships, provides proactive security services, cutting-edge smart technology, and tailored solutions that allow clients to focus on their core business.
Be the most trusted corporate services partner in a world of evolving risk.


Our global leadership team drives our strategy and leads our people around the world.