Commissionaires Great Lakes is a division of Commissionaires, Canada’s premier security solutions and identification services provider, serving central and southwestern Ontario. Since 1925, we’ve been providing security, identification and investigation services with a unique combination of integrity, experience and innovation. 

security solutions


From supplementing existing corporate security plans, to full-service security solutions, Commissionaires Great Lakes provides a wide variety of security services. Drawing on more than 90 years’ experience in protecting Canadians and their property, our unique combination of knowledge and integrity has made us Canada’s most trusted security partner.  

investigation services


Commissionaires Great Lakes offers a wide range of investigation services for both business and personal needs, lead by our expert investigators comprised of former military and RCMP personnel. From police-trained statement taking to high-risk investigative services, the Great Lakes Commissionaires are ready to help guide your investigation with professionalism and expertise. 



We offer a wide variety of identification services, ranging from employee background checks and fingerprinting, to comprehensive record suspension services. We are the only identification services provider accredited with the RCMP, meaning faster turnaround times and unmatched expertise. 

commissionaires on security watch


Our comprehensive process serving and court document filing services are provided by our staff of former military, RCMP and police services personnel. We assure discrete and professional service, and will do everything in our power to serve the individual or company, no matter how evasive they are.  

male commissionaire at a desk


Commissionaires provides highly professional contract personnel in a variety of non-security positions able to assist your company. From reception and information desk services, to drivers and dispatchers, our team is professional and experienced. 

female commissionaire teaching a course


Commissionaires National Training Institute is today’s leader for excellence in security training. Combining leading-edge theory and tactics with hands-on practical skills, CNTI courses are delivered by highly-trained experts with relevant, real-life experience in the business and service industries.