Critical environments
Whether you manage a power plant, data centre or laboratory, 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.
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How we can help
Find new efficiencies in an integrated service offering
Experience the added value of an end-to-end service partner who takes the time to understand your strategic objectives and help you achieve them. We provide a one-stop-shop for everything you need, from facilities management and security to decarbonisation. Our demand-led approach, powered by our bespoke technology, means you can make budgets go further – and focus on strategic goals while we take care of the day-to-day.
![A female Mitie engineer wearing high-vis and safety glasses, working on pipes and equipment](http://da8l.vivendaoriente.com/wp-content/uploads/2023/08/Engineer-working-on-pipes.jpg)
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 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.
![Various people working at desks with a wall of computer screens in front of them, showing a range of CCTV imagery](http://da8l.vivendaoriente.com/wp-content/uploads/2023/11/Intelligence-Hub-screens.jpg)
Establish emergency response
Protect your people, assets and environments from potentially devastating incidents. Our emergency response service provides on-site assistance through highly-trained, dedicated teams that integrate seamlessly with your own. From fire-fighting and emergency first aid to environmental spills and rescues at height, we have everything covered.
![Mitie male employee, wearing a white hard hard and Mitie hi vis vest, inspecting large equipment on a roof](http://da8l.vivendaoriente.com/wp-content/uploads/2023/12/Mitie-employee-inspecting-equipment-on-a-roof.jpg)
Prioritise uptime and efficiency with proactive maintenance
Keep your critical systems online with highly-qualified, security-cleared engineers who have deep experience of sensitive environments. Managing ageing estates can be demanding work, but Mitie’s breadth and expertise makes it simpler. Our engineering colleagues provide a range of services – from remote monitoring to predictive and reactive maintenance – to make sure the infrastructure you depend on remains fully operational.
![A close-up of red and green buttons on a control panel for pump machinery](http://da8l.vivendaoriente.com/wp-content/uploads/2023/12/Close-up-of-pump-control-panel-and-buttons.jpg)
Decarbonise your estate
Plan your journey to net zero with the industry’s decarbonisation experts. We have decades of experience monitoring data from critical environments and implementing the latest technologies to reduce emissions and costs, minimise waste, increase productivity and meet ESG targets. And we’ve done it everywhere from hospitals to data centres and power stations across public and private sectors.
![Two male Mitie engineers wearing high vis vests, crouching in front of Martello Tower in Essex. The man on the right-hand side is pointing off-screen with a tool in his hand](http://da8l.vivendaoriente.com/wp-content/uploads/2023/12/Two-Mitie-engineering-employees-at-Martello-Tower-Essex.jpg)
Keep your critical spaces clean
Your most sensitive environments need the most meticulous approach to cleaning. At Mitie, we deliver cleanroom services in a range of sectors. We use special mitigation measures to reduce particle contamination and ensure consistent humidity, temperature and pressure. We cater for a wide range of cleanroom environments, from ISO1 to 9.
![Mitie male employee, blurred and wearing a hi vis vest, walking in a room containing large manufacturing equipment](http://da8l.vivendaoriente.com/wp-content/uploads/2023/12/Mitie-employee-in-a-manufacturing-environment.jpg)
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)
Explore our services
Protecting and maintaining the most sensitive environments
![](http://da8l.vivendaoriente.com/wp-content/uploads/2020/01/Logo_BankOfEngland.png)
![](http://da8l.vivendaoriente.com/wp-content/uploads/2020/01/Logo_HomeOfficeN.png)
![](http://da8l.vivendaoriente.com/wp-content/uploads/2023/12/Sellafield_logo.png)
![](http://da8l.vivendaoriente.com/wp-content/uploads/2023/12/AWE_logo.png)
![](http://da8l.vivendaoriente.com/wp-content/uploads/2023/12/Westinghouse-logo.png)
Case studies & articles
- News
- 30 May 2023
- News
- 3 May 2023
- News
- 14 March 2022
- News
- 16 November 2020
- News
- 19 July 2022
- Case study
- 27 April 2020
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
Awards & accreditations
Mitie’s work continues to receive widespread recognition.
RoSPA Gold, 2022 Royal Society for the Prevention of Accidents: Awarded to Mitie for work with AWE
RoSPA Gold, 2022 Royal Society for the Prevention of Accidents: Awarded to Mitie for work with Magnox
Partners in Expert Services – Large Estates, 2021 Premises and Facilities Management Awards: Awarded to Landmarc Support Services, which is jointly owned by Mitie and PAE, and the Defence Infrastructure Organisation (DIO)
Collaboration, 2021 IWFM Impact Awards: Awarded to Mitie’s Permanent Joint Operating Bases, Infrastructure Service Provider (PJOB ISP) Cyprus, Gibraltar, Falkland Island and Ascension Islands
Outstanding Security Performance Awards
Fire and Security Matters Awards
CIPS Procurement Excellence Award
Edie Sustainability Leaders Awards
Outstanding Achievement Award, Green Fleet Awards
Safe Contractor approved
Contractors’ Health and Safety Assessment Scheme accredited
Disability Confident accreditation
ISO accreditations including 9001, 14001 & 18001
Meet the team
![Gary Culloden, National Operations Director, Business Services](http://da8l.vivendaoriente.com/wp-content/uploads/2023/12/Gary-Culloden-National-Operations-Director-Business-Services.jpg)
Gary Culloden
National Operations Director, Business Services![Headshot of Andy Rallings, Sales Director](http://da8l.vivendaoriente.com/wp-content/uploads/2020/01/AndyRallings.jpg)
Andy Rallings
Sales DirectorGet in touch
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.