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About G4S

As Canada’s leading provider of security solutions, we offer an integrated security solutions approach.  We will assess, design, deliver and optimize your environment.  G4S employs thousands of Canadians and operates in offices across the country. 

G4S is now Allied Universal! 

Starting November 5th, our two amazing companies are operating under one brand… Allied Universal. For more information on the acquisition and the combined strength of our team and services moving forward, visit us at aus.com. 
CCTV command centre at New York City Gem Tower

canada's security company

G4S is Canada's leading security solutions provider. Our wealth of global experience and extensive Canadian expertise provide our clients with customized security solutions that solve their unique security challenges.

Contact Us

for more information please contact:
G4S Canada Head Office