About Mitie Fire and Security
Following the acquisition of Marlowe Fire & Security in 2025, Mitie now offers the largest range of self-delivered fire and security services in the UK. Our specialist team of over 2,500 colleagues is here to protect what matters most – your people, places and assets.
Powered by people and technology, we deliver safety, security and compliance for customers in every sector nationwide.
The UK’s largest self-delivering fire and security business
Our comprehensive, end-to-end capabilities are shaped around safer communities and more effective operations.
40+ years
experience and expertise
7,600+
customers entrust us with 160,000+ sites
800+
specialist engineers providing 24/7 coverage
Fully Accredited And Certified













- Why choose Mitie Fire and Security?
We’re tuned in to your fire and security challenges
Risks change and grow, legislation evolves, business demands shift. Our approach is connected, technology-led and backed up by the industry’s most comprehensive data. And that means we’re always finding new ways to protect your sites, reduce your costs and keep you compliant with the latest regulations.
We deliver end-to-end assurance
Your dedicated team will support you from the first discovery session, matching your operations and infrastructure to the right, vendor agnostic fire protection and security solutions. But our work doesn’t end there.
Whether it’s a new installation or ongoing monitoring and maintenance, we provide hands-on support and advice long after implementation is complete.
Experts at every level
When you work with Mitie Fire and Security, you have decades of experience on your side. Partner with a team of highly trained, fully accredited engineers, vastly experienced project managers and innovation-focused leaders for an unrivalled fire and security service.
A focus on the future
We’re dedicated to enhancing lives and contributing to a more sustainable future for our planet and people in every aspect of our work. That’s why we’ve made environmental, social and governance commitments that guide everything we do.
This includes finding solutions and technologies that enable more sustainable practices, and uplifting lives and communities through initiatives that drive social value.
Join the Mitie Fire & Security team
Interested in joining 80,000 other extraordinary, driven people? Working with a diverse array of the UK’s biggest public and private sector customers, Mitie offers careers where you can grow and thrive.