• Integrated Facilities Management

    We’re on a mission to make people and places the best they can be – through facilities management that’s self-delivered, technology-led, and designed around you.

  • Two men wearing safety vests and hard hats work together in a server room. One holds a laptop while the other points at the screen. Tall racks of equipment are visible in the background.
    EMCOR UK logo in black, featuring stylized horizontal stripes forming a diamond shape to the left of the bold text EMCOR UK on a white background.

    New Acquisition.

    Stronger Together.

    The combined business strengthens our long-established capability across complex and regulated environments.

  • A person with short brown hair sits at a desk, looking at multiple computer monitors displaying various dashboards and information screens in a dark, high-tech setting.

    UK National

    Operations Centre

    State of the art facility, built to European Alarm Receiving Centre Category 1 standards, demonstrates our commitment to the future of technology enabled security.

  • Rows of industrial air conditioning units and piping on a rooftop under a clear blue sky. Diagonal lines in various colors overlay the image, adding a geometric design element.

    Hard FM &

    Engineering Services

    Technical services and integrated facilities management across public and private sectors, complex estates and critical environments.

  • Energy Transition & Management Services

    OCS Energy Services delivers energy efficiency and decarbonisation, helping customers cut energy use, reduce carbon and costs, and achieve Net Zero.

  • A young woman in a white shirt smiling outdoors, framing her face with her fingers to form a rectangle. Green trees and sunlight are visible in the background.

    ESG Roundtable 2025: Social Value in FM

    Explore key takeaways from industry leaders on how facilities management can deliver lasting social impact through social mobility and employment.

OCS ESG Commitment

Doing the right things in the right way.

  • Aligned with Customers’ Net Zero Goals

    Working towards Net Zero targets, we support customers in meeting their sustainability commitments, helping strengthen the positive impact of their environmental initiatives.

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  • A young woman in a white shirt smiling outdoors, framing her face with her fingers to form a rectangle. Green trees and sunlight are visible in the background.

    Social Value, Social Mobility & Inclusion

    Responsible and sustainable management practices that protect people, communities and customers, supporting safe operations and long-term resilience.

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  • A man in a suit and yellow tie smiles at the camera while standing in a modern control room with multiple computer monitors and people working in the background.

    Built on TRUE Values & Good Governance

    Responsible and sustainable management practices that protect people, communities and customers, supporting safe operations and long-term resilience.

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Global Facilities Partner Built on 125 Years of Experience

With more than 125 years of experience, OCS has evolved into an integrated facilities management partner. Today, customers across sectors – from healthcare and defence to education, aviation, and retail – trust our teams and technology us to keep people safe, places performing, and operations resilient.

Our 50,000-strong team in the UK & Ireland, supported by technology and innovation, enables OCS to deliver the best outcomes for people and places.

Proven, Trusted, Accredited

Certified to the highest standards, our teams combine expert training with industry-leading accreditations to deliver safe, consistent, and compliant services. Independent audits and award-winning practices give you confidence that quality, safety, and performance are never compromised.

OCS QHSE Policy

How Can We Help You Today?

Contact the team to discuss your facilities management needs.

Contact OCS Here