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

  • A German Shepherd wearing a harness sits beside a person's legs in an indoor setting, likely an airport, near a rubbish bin and luggage.

    K9 Security Dogs

    Add a visible, responsive layer of protection to sites where people-only guarding may leave gaps. OCS K9 security dogs work with trained handlers to deter intrusion, search large or complex areas and support specialist detection assignments.

    Discuss Your K9 Security Requirement
A person in a black uniform holds the lead of a sitting German Shepherd dog on a city street, with a yellow building in the background.

Increase Deterrence and Extend Search Capability

Large perimeters, low-light areas, stored goods and changing site layouts can make conventional patrols harder to manage. Events and public environments create a different challenge: teams may need to screen people or search spaces without disrupting normal movement. In both cases, the service must be proportionate, controlled and easy to coordinate with other security measures.

A trained dog and handler team brings mobility, heightened scent and sound detection, and a strong visible presence. The handler directs every task, reads the dog’s indications and communicates findings so the wider security team can decide what happens next.

Deter unauthorised access and antisocial behaviour.
Support patrols, searches and screening with controlled indications.
Give teams clear information for escalation and response.
A man wearing an OCS-branded jacket and lanyard stands in a control room with multiple large screens displaying data on the wall behind him. Other people are working at computer stations in the background.

Technology and Monitoring That Guide Action

Video surveillance, access control, perimeter detection and intruder alarms can help direct K9 teams to the right area. The handler confirms observations and reports the outcome within a coordinated response.

The OCS National Operations Centre can provide 24/7 monitoring, incident triage, response coordination and digital reporting across customer sites. This can identify repeat intrusion routes, recurring times and areas needing physical or technology changes. Technology remains a supporting layer, with OCS Security Systems assessing cameras, alarms, sensors and access control where a new system design is needed.

Where K9 Security Can Add Value

Security dog services suit open, crowded, high value or dispersed environments. Each assignment assesses people, public access, operating hours, noise, terrain, animal welfare, emergency arrangements and coordination with existing officers or event staff.

  • Construction & Utilities

    Construction & Utilities

    Supporting construction sites, utilities and infrastructure projects with visible deterrence and controlled searches.

  • Manufacturing

    Manufacturing

    Supporting warehouses, logistics yards, manufacturing plants and distribution centres across varied operating hours.

  • Commercial Estates

    Commercial Estates

    Protecting commercial estates, vacant sites and development land with task-led patrol and search capability.

  • Retail & Events

    Retail & Events

    Supporting retail, hospitality, entertainment venues and festivals with planned patrol, screening and detection activity.

  • Rural Environments

    Rural Environments

    Providing a visible security presence across farms, rural estates and other large outdoor environments.

  • Education & Transport

    Education & Transport

    Supporting education, public-sector and transport environments with defined screening needs.

Proven, Trusted, Accredited

K9 security services are delivered through documented deployment plans, handler instructions, escalation procedures and animal welfare controls. Recognised industry accreditations, ongoing training and independent assessment support safe, consistent patrols, reliable detection and compliance with agreed site requirements.

Explore Our Latest Security News, Insights and Customer Projects

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Let’s Discuss Your K9 Security Requirements

Tell us what you need a dog team to deter, find or protect. We will assess the environment, select the right capability and plan the deployment around your operation. Please include the location, dates, hours, site or event type, expected footfall, target threat or substance, existing security and any public access constraints.

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Frequently Asked Questions

  • K9 teams are useful where a visible deterrent, wider search capability or trained scent detection is required. Common uses include perimeter patrols, building or vehicle searches, event screening and targeted searches for drugs, explosives or other defined substances.

  • General-purpose patrol dogs support deterrence, tracking, searching and handler protection. Detection dogs are trained to identify defined odours and give a controlled indication to their handler. The dog type and operating plan are selected for the task.

  • Passive detection observes people moving through a controlled area, with the dog giving a passive indication near a target scent. Proactive detection searches a defined space, vehicle or object. Both approaches require an agreed process for managing an indication.

  • For relevant patrol work, handlers are qualified to a minimum NASDU Level 2 standard or accepted equivalent. Additional training and competency requirements apply to specialist detection tasks. We confirm the standard proposed for each deployment.

  • The deployment assessment considers working time, rest, transport, water, environment, public interaction and emergency arrangements. The handler remains in control of the dog and can stop or adapt an activity if conditions are unsuitable.

  • Yes. We define roles, communications and escalation so the dog team supports the wider operation. K9 patrols can work alongside guarding, mobile patrols, event teams, monitoring and security technology.

  • OCS assesses K9 requirements for locations across the UK. Availability, mobilisation time and the right specialist capability depend on the site and task, so coverage is confirmed during solution design.

  • Reporting is agreed for the assignment and can include patrol or search activity, areas covered, indications, incidents, actions and escalation. For recurring deployments, trend review can help refine coverage and wider security controls.