• A man in military camouflage uniform and glasses works at a computer in a high-tech control room with multiple monitors displaying data and graphs.
    Connect with Our Team Contact

    Defence

    Supporting defence organisations with integrated facilities management solutions designed for high-security environments, ensuring dependable operations across complex and critical sites through resilient, responsive, and adaptable service delivery.

Tower Bridge over the River Thames in London at sunrise, with a moored ship in the foreground and the sun casting a golden glow across the sky and water.

Best practices to deliver secure, resilient and agile defence facilities

In defence environments, where security, resilience, and reliability are paramount, facilities must operate without friction to support critical missions. Our integrated FM solutions are calibrated to high-security sites, combining technical expertise with rigorous compliance to maintain infrastructure that defence organisations can depend on. Increasingly, this includes the use of data-led insights and AI tools that help predict maintenance needs, optimise asset performance, and enhance decision-making in complex environments.

From high-voltage power networks and advanced security systems to catering, cleaning, and sustainability projects, we deliver services that adapt to evolving operational demands while safeguarding people, assets, and information.

OCS has the proven experience, scale, and specialist skills to manage complex defence environments, ensuring continuity, safety, and long-term resilience.

Services calibrated for defence environments

Our role is to help make people and places the best they can be by delivering defence facilities management solutions that enhance operational capability while building long-term resilience.

Connect with our team

  • Maintenance and upgrades to critical defence infrastructure, from electrical and mechanical systems to complex high-voltage power networks, are central to OCS’s approach. Engineering expertise ensures resilience, compliance, and dependable performance across secure environments. Intelligent monitoring and AI-driven analysis further strengthen these capabilities, supporting proactive maintenance and operational reliability.

  • Helping defence organisations meet net zero goals with practical, measurable solutions in energy efficiency, renewable technology integration, and waste reduction — driving resilience while reducing environmental impact. AI-enabled energy management tools support more innovative resource use and ongoing improvement in sustainability performance.

  • Our technical teams deliver complex infrastructure programmes, from communications systems on naval vessels to high-voltage upgrades at air bases. We bring agility and precision to projects in environments where continuous service is critical.

  • Protecting people, assets, and sensitive information is paramount. We provide highly trained security professionals supported by advanced surveillance, access control, and threat-detection technologies. AI-enhanced systems can add a layer of protection, identifying patterns and anomalies in real-time to help prevent and respond to threats.

  • Reliable, compliant soft services, including catering, cleaning, and logistics, are designed to support operational readiness, wellbeing, and continuity across defence facilities.

A modern navy warship docked at a port, with a British flag at the stern and industrial cranes and other ships visible in the background under a clear blue sky.

Strengthening Naval Capability with Advanced Communications

Working with BAE Systems, we delivered the specialist design, installation, and integration of communications infrastructure for the Royal Navy’s Type 45 Destroyers. Our technical expertise ensured robust, future-ready systems capable of supporting complex naval operations.

Read the case study

Purposeful ESG Supporting Defence Communities

Our commitment to the Armed Forces goes further than the workplace. Through the Armed Forces Covenant and partnerships with specialist charities, we create opportunities, provide lasting support, and ensure military families have the resources they need to thrive.

  • Armed Forces Covenant

    OCS holds the Armed Forces Covenant Silver Award, recognising commitment to supporting reservists, veterans, and their families through inclusive employment and workplace practices.

    Find out more
  • A worker in green overalls uses a wrench to tighten a metal pipe fitting inside a large industrial facility with bright overhead lights.

    Forces Employment Charity

    Through the Forces Employment Charity, we help former service personnel transition into civilian careers, connecting skills gained in service with long-term opportunities.

    Find out more
  • A group of children and teens, some wearing yellow “Scotty’s Little Soldiers” shirts, smile and play together indoors. Adults and other children watch in the background. The mood is cheerful and lively.

    Scotty’s Little Soldiers

    As a long-standing partner of Scotty’s Little Soldiers, we support children who have lost a parent in the Armed Forces, helping them rebuild confidence and create positive futures.

    Find out more

Defence Industry Accreditations

Certifications and partnerships that demonstrate our commitment to security, resilience, compliance, and best practice in high-security environments.

Employer Recognition Scheme Armed Forces Covenant's logo
Cyber Security Plus's logo
BSI's logo
Disability Confident Employer's logo
CHAS's logo
ISO 9001's logo
ISO 45001's logo
ISO 14001's logo
Living Wage Foundation: Recognised Service Provider's logo
A man in a navy blue polo shirt stands with arms crossed, smiling, in front of industrial pipes and machinery in a utility or boiler room.

Connect with our Defence Team

New Business Enquiry Form – Defence

"*" indicates required fields

Consent*
This field is for validation purposes and should be left unchanged.