SRT Security Group Competitors

ADT is the most trusted name in smart home security, helping protect and connect what matters most at home and beyond. When Every Second Counts, Count on ADT 💙.

In the era of AI, your data is your advantage. Yet too often it remains untapped: disconnected from systems, underutilized, untrained, and exposed to risk. Iron Mountain is the trusted partner for organizations of all sizes to unlock what’s possible, transforming information into intelligence and assets into advantage. How? By seamlessly managing digital and physical assets of all kinds across their lifecycle—making them visible, secure, accessible, and AI-ready. From payments to pathology, mortgages to media, fine art to IT, we’ve helped more than 240,000 customers around the world, including 95% of the Fortune 1000, unlock more value from what’s already within reach. All with unparalleled security, governance, and sustainability at every step. What can we unlock together?

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.