24/7 Professional Security Services Across the UK
Nexum Security provides around-the-clock protection for your people and property. We deploy SIA-licensed officers for manned guarding, mobile patrols, K9 units, and key holding at sites nationwide. We listen to your needs, design a tailored security plan, and safeguard what matters most — day and night.
Security You Can Trust — Delivered by Proven Frontline Professionals.
Nexum Security was founded in 2025 by a team with years of combined frontline experience across guarding, mobile patrols, key holding and K9 operations. Our officers are fully SIA-licensed, vetted in line with BS 7858 and trained according to BS 7499 and BS 8517 operational standards.
We listen before we deploy
We do what we say we'll do
We treat every site as if it were our own
Our Security Services
From static guards to mobile patrols and K9 units, we provide site-specific security solutions
Manned Guarding
Visible, consistent protection from trained, SIA-licensed officers
- Static and reception security for offices, warehouses and estates
- Gatehouse control, access checks and visitor management
- Day or night cover, long-term or short notice
Mobile Patrols
Regular security patrols across multiple sites
- Scheduled and random patrols to deter criminals
- Lock-up and unlock services with key holding
- Rapid response to alarms and incidents
Key Holding & Alarm Response
24/7 emergency response to protect your premises
- Secure storage of your site keys
- Immediate response to alarm activations
- Full incident reports and police liaison
CCTV Monitoring
Remote monitoring and intervention services
- Live CCTV monitoring from control centres
- Audio challenges to deter intruders
- Integration with on-site guards and mobile patrols
Event & Door Supervision
Professional crowd management and door security
- SIA-licensed door supervisors for venues and events
- Access control and ID verification
- Conflict management and crowd safety
K9 Dog-Handler Units
Highly trained dog-handler teams for high-security sites
- Rapid perimeter sweeps on high-risk sites
- Major deterrent against determined intruders
- Ideal for construction, energy and large compounds
Why Choose Nexum Security
Licensed & Vetted Professionals
All our security officers are SIA licensed, rigorously screened to BS 7858 standards, and trained to industry best practices (BS 7499 for guarding and BS 8517 for K9 units). You get a qualified, trustworthy team protecting your site.
24/7 Control Room Support
Our control centre stays active around the clock, providing live supervision and quick emergency dispatch. Day or night, if an incident occurs or an alarm sounds, we respond immediately to support your site.
Tailored Security Solutions
We design each assignment around your specific needs and risks. From patrol routes to check-in procedures, every security plan is custom-built for your site – never an off-the-shelf template.
Sectors We Protect
Specialist security solutions tailored for your industry