We evaluated 14 security services agencies based on client reviews, expertise, and track record to bring you the top performers of 2026. Whether you need a specialized boutique firm or a full-service partner, this curated list helps you find the right match for your project.
Securitas is a world-leading safety and security solutions partner that helps make your world a safer place.
Brink’s, Incorporated is the world’s premier provider of secure solutions – including global transportation and storage for high-value goods.
GardaWorld is the world’s largest privately-owned security services company, offering cash services, physical and specialized security solutions, and with our Crisis24 portal, the dissemination of verified information related to international security.
Pinkerton traces its roots to 1850 when Allan Pinkerton founded Pinkerton's National Detective Agency. Today, Pinkerton offers organizations a range of comprehensive risk management services from security consulting and investigations to executive protection.
G4S is a leading security and facility services company that provides proactive security services and cutting-edge smart technology to deliver tailored, integrated security solutions that allow clients to focus on their core business.
For more than 30 years, CPI Security has been a leader in customized security and home automation solutions.
Founded in 1982, St. Moritz Security Services, Inc. has been providing government and industry with security solutions and services for more than 39 years.
MVM is a family-owned and operated business that has been providing exceptional service to federal clients since its founding in 1979.
North Bridge invests in exceptional people whose ideas have the potential to disrupt the way we live and work. We provide seed-to-growth financing to help transform those ideas into companies and those companies into market leaders.
market. GISS offers personal security services, certified guard services for the commercial market, as well as an array of personalized training classes to keep you and your staff prepared for any situation.
SecTek combines the right ingredients for security that succeeds: professional officers, a top-notch training academy, and proven quality management practices.
Control Risks exists to make our clients succeed. We are a specialist risk consultancy that helps to create secure, compliant and resilient organisations in an age of ever-changing risk.
We have been offering our clients protection since 1982 as northern California’s premier security company. We have established a reputation for excellence as ethical professionals with unparalleled expertise in the security industry. We engage with our clients to provide reliable protection and unmatched service.

Best Security Guard and Patrol Services in Canada
Security Guard Group is a private security services agency that was incorporated by a group of security professionals who were previously employed by Canada's largest security firms. We are proud to be one of the best rated Security Services companies in Ontario. Our management team has a combined experience of 37+ years in the Private Security Industry.
50Pros currently lists 14 verified Security Services agencies, each with client reviews and detailed profiles to help you find the right partner.
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Agencies are ranked based on a combination of client reviews, response time, profile completeness, and overall engagement. Verified and featured agencies may appear higher in results.