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View 1st Security Solutions's top competitors like Allied Universal Corporation, CIS Security Limited, and Cafe on the Square.

G4S
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. Through a global workforce of approximately 800,000 people, we leverage best practices in communities all over the world. With revenues at approximately $20 billion, we are supported by efficient processes and systems that can only come with scale to help deliver our promise locally: keeping people safe so our communities can thrive. For more information on G4S, visit www.g4s.com.
UK
Public
$20B Revenue
http://www.g4s.com
117.8K Employees
LSE:GFS Ticker
Mitie
Founded in 1987, Mitie is the UK’s leading facilities management and professional services company. We offer a range of specialist services including Security, Engineering Services, Cleaning, Landscaping, Energy and Property Consultancy, Property Maintenance, and Custody Support Services. Mitie employs 77,500 people across the country, looking after a large, diverse, blue-chip customer base, from banks and retailers, to hospitals, schools and government offices. We take care of our customers’ people and buildings, by delivering the basics brilliantly and by deploying advanced technology. We are pioneers in the Connected Workspace, using smart analytics to provide valuable insight and deliver efficiencies to create outstanding work environments for customers.
UK
Public
$5.9B Revenue
http://www.mitie.com
19.5K Employees
MTO Ticker
Sophos
Sophos, a global cybersecurity leader, defends more than 625,000 organizations worldwide with Sophos Fusion, the industry's first and most complete AI-native cybersecurity defense system: a single, connected architecture where every control point operates as one. Powered by agentic AI and elite human expertise, Sophos detects, investigates, and neutralizes threats before they become business-disrupting events. Working alongside a global ecosystem of managed service providers, resellers, and technology partners, Sophos compounds intelligence from every threat encountered and every environment defended to make every customer's defense stronger than the last. More information is available at www.sophos.com.
UK
Public
$706M Revenue
https://www.sophos.com/en-us
5.5K Employees
LSE:SOPH Ticker

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