Key Holding & Alarm Response | H&D Security

SIA-Licensed • 24/7 • UK Coverage

Mobile Security Patrols — Visible Deterrence, Real Response

High-visibility patrols, lock/unlock routines, alarm checks and perimeter inspections for construction, logistics, retail parks and commercial estates.

  • Randomised Patrols
  • Lock & Unlock
  • Alarm & Perimeter Checks

Visible Deterrence

Marked patrols to discourage trespass, theft and vandalism.

Operational Coverage

Scheduled or ad-hoc visits with SLA-backed response.

Evidence-Ready

Digital reports, photos/video and incident logs.

Flexible Deployment

Short-term, seasonal, out-of-hours or 24/7.

Why Choose Our Mobile Patrols?

Proactive patrols designed for construction compounds, warehouses, logistics hubs, retail parks and commercial estates across London and the UK.

Risk-Led Routes

  • Patrol hotspots, blind spots, loading bays and access points.
  • Randomised timing to disrupt offender patterns.

Lock & Unlock / Alarm

  • Lockdown routines, alarm set/unset, building checks.
  • Alarm response & site reset after incidents.

Perimeter & Yard

  • Fence lines, gates, doors, lighting and CCTV sightlines.
  • Vehicle bays, compounds and patrol waypoints.

Digital Reporting

  • Time-stamped photos/video and incident logs.
  • Actionable recommendations to reduce risk.

What Sets Us Apart

Deployment & SLAs

  • Pre-planned patrol schedules with SLA-backed attendance.
  • Fast escalation to responders and emergency services.

Reporting & Evidence

  • GPS-time logs, photos/video, incident summaries.
  • Client portal options for audit trails.

Trained, SIA-Licensed

  • Officers trained for compounds, yards and estates.
  • Randomised visit protocols to increase deterrence.

Integrated Support

  • Ties into control room, key holding and alarm response.
  • Works alongside CCTV verification.

Coverage Areas

Head office: West London. UK-wide car park enforcement with local response across boroughs, plus national support for single-site and multi-site organisations.

England (Regions)

  • London
  • South East
  • South West
  • East of England
  • West Midlands
  • East Midlands
  • North West
  • North East
  • Yorkshire & The Humber

Devolved Nations

  • Scotland
  • Wales
  • Northern Ireland

Major Cities We Cover

  • London
  • Birmingham
  • Manchester
  • Leeds
  • Liverpool
  • Bristol
  • Sheffield
  • Leicester
  • Newcastle
  • Reading
  • Slough
  • Milton Keynes
  • Watford
  • Guildford
  • Oxford
  • Cambridge
  • Glasgow
  • Edinburgh
  • Cardiff
  • Swansea
  • Belfast
  • Derry

London Cluster Coverage

  • Hounslow
  • Heathrow
  • Southall
  • Ealing
  • Brentford
  • Chiswick
  • Hammersmith
  • Shepherd’s Bush
  • White City
  • Acton
  • Park Royal
  • Greenford
  • Perivale
  • Hayes
  • Uxbridge
  • West Drayton
  • Feltham
  • Richmond
  • Twickenham
  • Isleworth
  • Kew
  • Wembley
  • Harrow
  • Slough

How It Works

1

Assess

Site review, risk hotspots and patrol route planning.

2

Patrol

Scheduled/randomised visits, lock/unlock and alarm checks.

3

Respond

Alarm attendance, incident preservation and escalation.

4

Report

Time-stamped digital logs with photos/video.

Industries We Support

Mobile patrols for construction compounds, logistics & warehousing, retail parks, commercial estates, offices and corporate campuses.

  • Construction & Civils

    Compounds, equipment stores, cable and fuel areas.

  • Logistics & Warehousing

    Yards, bays, HGV parking and perimeter checks.

  • Retail Parks

    Back-of-house, delivery bays and service roads.

  • Commercial Estates

    Multi-tenant sites with SLA-driven patrol schedules.

  • Offices & Corporate

    Lock/unlock routines, alarm checks, building patrols.

  • Utilities & FM

    Perimeter controls, lighting and CCTV sightlines.

SIA-licensed officers • Evidence-ready reports • UK-wide coverage

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24/7
Control Room
SIA
Licensed Officers
100%
Digital Reporting
UK
Nationwide Coverage

Need High-Visibility Patrols & Fast Response?

Get a tailored plan with response SLAs and evidence-ready reporting.

Mobile Security Patrols — FAQs

What’s included in a mobile patrol visit?
Visible patrols, lock/unlock routines, alarm checks, perimeter and yard inspections, plus digital reporting with photos/video.
Do you provide alarm response?
Yes. We attend alarms, preserve the scene, reset systems where appropriate and escalate via agreed SOPs.
How often can patrols be conducted?
From ad-hoc visits to multiple daily checks, with randomised timing to increase deterrence.
Are your officers SIA-licensed?
Yes. All patrol officers are SIA-licensed, trained and regularly assessed.