OCS Strengthens UK Security Capability with City Group Security Acquisition

The acquisition brings 600 new colleagues into OCS, adding scale and specialist capability in canine security, keyholding and alarm response.   Learn More

  • Dramatic upward view of tall, modern skyscrapers with reflective glass surfaces, illuminated windows, and a blue sky peeking through the narrow gap between the buildings.

    Security Services

    Proactive, Intelligent Security Services – utilising technology to enable service-led protection of people, places and performance.

    Connect with our Team

  • OCS Security Systems

    Advanced security technology improves detection, reduces false alarms and enables controlled response through integrated monitoring systems.

    Explore Our Security Systems
  • 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.

    Discover the National Operations Centre
A smiling security officer wearing an orange safety vest and radio stands on a train station platform, with a train and electronic sign in the background.

Make Better Decisions When It Matters Most

Timely, accurate information supports better decisions, particularly in live and pressured environments. Greater visibility and structured escalation help teams respond consistently and with control.

By using real-time monitoring and intelligence-led insights, activity across sites and security services is coordinated effectively. This supports faster response, clearer accountability and improved outcomes when it matters most.

Real time visibility across sites and security services
Clear escalation routes and response protocols
Consistent, coordinated action in live environments

Our Core Security Services

Every site and organisation faces different risks. Our teams combine people, technology, monitoring and response to protect operations, support safer environments and provide clear control when it matters.

A smiling woman with curly blonde hair, wearing a navy OCS polo shirt and orange lanyard, stands in front of a wall of surveillance monitors displaying various security camera feeds.

Protect People With a Service Built Around Them

Safer working environments reduce incidents, build confidence and support the wellbeing of colleagues and visitors.

OCS invests in training, support, and inclusive progression, ensuring security guards are equipped to act calmly and professionally in live situations.

Women in Security at OCS

A diverse security workforce brings broader perspective and stronger decision making. The Women in Security focus supports progression, visibility, and leadership opportunities, strengthening the resilience and capability of our security services teams.

  • A man wearing an OCS-branded jacket and lanyard smiles while standing in front of large computer screens displaying various data and charts in a modern control room.
  • A person sits at a desk with multiple computer monitors displaying charts, graphs, and data, working in a control room with large screens showing dashboards and information in the background.
  • 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.

OCS National

Operations Centre

See Issues Earlier. Act Faster. Recover Sooner.

A single, national point of control for monitoring, intelligence and escalation across complex environments. Built to European Alarm Receiving Centre Category 1 standards, the National Operations Centre supports security services by providing:

24/7 monitoring of CCTV, alarms and lone worker systems
Centralised incident triage, escalation and response coordination
Intelligence-led situational awareness across sites and sectors
In-house delivery to Category 1 ARC standards

Proven, Trusted, Accredited

Security services are delivered within robust governance and compliance frameworks, supported by recognised industry accreditations and rigorous training standards. Independent audits, continuous assessment and established best practice ensure services are delivered safely, consistently and in line with regulatory requirements.

Choose a Partner Built for Complex Environments

Security services delivered with consistency, accountability and control across sectors with demanding operational and compliance requirements.

  • Retail Security

    Retail Security

    Providing visible, responsive security that supports customer experience and improves loss prevention.

  • Government

    Government

    Security services delivered to strict governance, assurance and compliance standards across public environments.

  • Healthcare

    Healthcare

    Operating within sensitive, high-risk settings where safety, care and professional conduct are critical.

  • Education

    Education

    Guarding and technology aligned to safeguarding standards and the daily rhythms of schools, colleges, & universities.

  • Transport

    Transport

    Supporting safe, controlled movement of people and vehicles across busy, live environments.

  • Commercial Estates

    Commercial Estates

    Delivering consistent security across multi-site portfolios with clear standards, oversight and accountability.

  • Distribution & Logistics

    Distribution & Logistics

    Safeguarding people, goods and facilities across 24/7 logistics operations and complex supply chains.

  • Manufacturing

    Manufacturing

    Protecting people, assets and operations across high-risk industrial environments and production sites.

  • Construction & Utilities

    Construction & Utilities

    Managing access and safeguarding critical infrastructure across live, high-risk project environments.

  • Entertainment & Leisure

    Entertainment & Leisure

    Balancing crowd safety, asset protection and a positive guest experience across complex, high-footfall venue environments.

Explore Our Latest Security News, Insights and Customer Projects

A smooth gradient background shifting from a deep navy blue on the left to a slightly lighter blue on the right.

Let’s Talk About Your Risk and Priorities

Every environment is different. Our teams will work with you to understand your risks and design a security approach that supports your people and your operation.

Security Services – Contact Form (Collapsible)

"*" indicates required fields

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

Personal Details

Consent*
Consent

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Frequently Asked Questions

  • Security services cover integrated people, technology and monitoring solutions designed for complex, live and high risk environments. Delivery includes security officers, advanced security systems, national monitoring and structured escalation. Services are configured to protect people, assets and operational performance, with consistent standards applied across large and multi site estates.

  • Security delivery across multiple sites is managed through integrated systems, shared operating standards and national oversight. Real time data from CCTV, access control, alarms and sensors is consolidated into a single operational view, allowing risks, incidents and trends to be managed consistently across the estate. This approach supports clear accountability, coordinated response and predictable service delivery.

  • Security services are supported by a connected suite of technologies including AI enabled CCTV, access control systems, perimeter detection, intruder alarms, ANPR, environmental sensors and lone worker protection. These systems are integrated to reduce false alarms, improve detection accuracy and provide real time situational awareness, enabling informed and controlled response.

  • Yes. Continuous monitoring and response are delivered through a dedicated national operations centre operating around the clock. Built to European Alarm Receiving Centre Category 1 standards, the centre provides 24 7 alarm and CCTV monitoring, lone worker protection and intelligence led situational awareness, ensuring consistent response across all sites.

  • Incidents are managed through defined escalation frameworks supported by integrated monitoring systems. Alerts are verified, categorised and prioritised based on risk, with clear response protocols in place. This structured approach enables timely intervention, controlled decision making and coordinated response during live and high pressure situations.

  • Security services operate within robust governance and compliance frameworks supported by recognised accreditations. Policies, procedures, audits and reporting ensure alignment with regulatory, sector and customer requirements. Information security controls are applied across systems and operations to protect sensitive data and maintain confidentiality.

  • Security delivery models are designed around sector specific risks, operational demands and compliance requirements. Services are adapted for environments such as retail, government, healthcare, transport and commercial estates, ensuring security measures reflect real world usage, footfall patterns and risk exposure rather than a standardised approach.

  • Quality and professionalism are maintained through structured recruitment, role specific training and ongoing development. Colleagues operate within clear operating procedures and governance frameworks, supported by national oversight and performance monitoring. This ensures calm, professional and consistent behaviour, even in live and complex situations.