Critical environments

A single point of contact for everything needed to protect and maintain critical environments.

From highly-trained personnel to state-of-the-art operations

Whether you manage a power plant, data centre or telecoms infrastructure, we provide a full range of hard and soft services to support your critical infrastructure. It takes special care to make sure such environments stay operational, compliant and protected against threats. And if you need to bolster your workforce, identify and mitigate the latest security threats or simply keep your site clean and hygienic, you’re in the right place. Our approach combines the latest technologies and AI advancements with our vast industry experience to make sure you meet your obligations, stay compliant and continue to deliver the services our country depends on.

Green and orange protective fabric

300,000 vehicle checks at critical sites every month

1,000+ compliance audits each month

3,000,000 pass checks a year (that’s one every five seconds)

200,000 vehicle searches annually (46% of which required Counter Terrorism search)

CCTV cameras

Protect your critical environments

Secure what’s important with one of the UK’s most trusted providers of critical security services. Our diverse teams are made up of thousands of expertly trained, fully-accredited and security-cleared personnel serving private and public sector clients. They provide everything from boots on the ground to robust risk assessments. And they’re supported by the very latest technology – including remote monitoring, advanced AI and cutting-edge intelligence that guides incident planning and protects what matters most – whether its cabling, rural locations or your base of operations.

See how our security teams protect Sellafield, home to more than 200 nuclear facilities and the world’s largest repository of untreated nuclear waste.

How can we help critical environments?

How can we help critical environments?

CCTV cameras

Protect your critical environments

Secure what’s important with one of the UK’s most trusted providers of critical security services. Our diverse teams are made up of thousands of expertly trained, fully-accredited and security-cleared personnel serving private and public sector clients. They provide everything from boots on the ground to robust risk assessments. And they’re supported by the very latest technology – including remote monitoring, advanced AI and cutting-edge intelligence that guides incident planning and protects what matters most – whether its cabling, rural locations or your base of operations.

See how our security teams protect Sellafield, home to more than 200 nuclear facilities and the world’s largest repository of untreated nuclear waste.

Mitie engineer in a plant room

Services in focus

Protect and maintain critical environments with end-to-end services

Whether you manage a power plant, data centre or telecoms infrastructure, we provide a full range of services to support critical infrastructures. Discover our integrated offering of cleaning, security, workforce management and predictive maintenance.

News & Insights

Frequently Asked Questions

Helpful information about Mitie’s services, solutions and technology and how we can help critical environments.

Mitie supports mission-critical sites by prioritising uptime, safety and compliance, with specialist teams and technology-led monitoring for rapid response and resilience.

Mitie operates in defence, healthcare, infrastructure, data centres and other regulated industrial environments requiring strict controls and continuity.

Mitie uses predictive maintenance, intelligence-led security and robust compliance processes to identify issues early and reduce operational risk.

Yes. Services are designed around site-specific risk, regulation and operational demands to ensure reliability and assurance.

Critical environments are sites like power plants, hospitals, data centres and telecoms infrastructure where uptime is essential. Mitie supports these operations with hard and soft FM services to keep systems safe, compliant and resilient.

Mitie provides integrated hard and soft services, including engineering, security, cleaning, compliance support and more. A single point of contact helps protect critical infrastructure and maintain safe, efficient day to day operations.

Mitie supplies security cleared, fully accredited teams supported by remote monitoring, AI and intelligence led planning. This helps protect critical assets, locations and operations while adapting to evolving threats and risks.

Mitie provides dedicated on site emergency response teams that integrate with your workforce. Capabilities include fire fighting, first aid, environmental spill response and rescues at height to reduce incident impact.

Mitie uses security cleared engineers and proactive maintenance, including remote monitoring and AI enabled predictive maintenance. This helps prevent failures, extend asset life and keep critical systems operational.

Yes. Mitie helps critical environment operators decarbonise estates while maintaining compliance and operational continuity. Services support planning and delivery to meet sustainability targets without compromising uptime.

Mitie delivers cleaning and hygiene services designed for sensitive, high risk environments. This supports safety, compliance and operational assurance, helping critical sites remain protected, well maintained and audit ready.

Protecting and maintaining the most sensitive environments

Home Office logo
Sellafield logo
AWE logo
Westinghouse logo

“High quality, value-for-money facilities management services are crucial to the safe and secure delivery of operations across our sites… We look forward to working with Mitie to deliver our purpose of creating a clean and safe environment for future generations.”

Mike White Head of Infrastructure, Sellafield Ltd

Meet the team supporting critical environments

Gary Culloden, National Operations Director, Business Services

Gary Culloden

Managing Director, Mitie Security

Andy Rallings, Sales Director

Andy Rallings

Sales Director

Emma Shaw, Managing Director, Mitie Intelligence Services

Emma Shaw

Managing Director, Mitie Intelligence Services

Get in touch about critical environments

If you want to talk to one of our experts about your critical environment needs, they’re just a couple of clicks away. Fill out the form and a member of the team will get right back to you.