UK & EMEA
Security System Maintenance & Support
Nexus Security Solutions is an NSI Gold accredited Security installation and maintenance company, operating to ISO 9001 standards, with Cyber Essentials Plus and SafeContractor certification and have more than 20 year's industry experience within our team.
We manage sites in various locations across the UK and EMEA, along with enterprise level clients and systems in the corporate commercial sector and Government, defence and critical national infrastructure sectors. We are an electronic security expert with both onsite and remote support contract offerings.
Global Fintech
Solutions maintained
Fully Integrated CCTV, Access Control, Intelligent Lockers
Life Science Campus
Solutions maintained
Smart Access Control, IP CCTV, Monitored Intruder Alarms, Vehicle Barriers and Campus Security Control Rooms
London Law Firm
Solutions maintained
Access Control, Single Sign-on, integration, Cloud Management Console
High Security
Solutions maintained
Access Control, CCTV, Intruder, Physical Barriers, Biometric Authentication and
Visitor Management
Technology Partners
We provide maintenance and technical support for systems manufactured by LenelS2 (Onguard, Netbox, Elements, Pro-Watch), Gallagher, CCURE 9000, Exacqvision, Victor, Milestone, Hanwha, Axis, Avigilon, Acre, Salto, Hanwha, Honeywell Galaxy, Texecom and more.
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Our service and maintenance solutions for electronic security systems, combine planned preventative maintenance (PPM), 24/7/365 reactive support, and advanced remote services across the UK and EMEA.
All engineers are BS 7858 vetted, with additional DBS, enhanced clearance, and SC-level for high security clients and carry manufacture training certification along with many years of experience, we boast some of the most qualified engineers in the industry to support and maintain your security solutions:
Our contracts are designed around multiple factors but always starting with Planned Preventative Maintenance requirements and Response times needed both onsite and remotely, following this we consult on other elements to include within the contract specific to client's business and commercial requirements whether this be for a CCTV Maintenance, Access Control Maintenance, Intruder Maintenance or total security systems Maintenance contract in the UK or international maintenance support.
Our Service contracts start with reviewing the below standard offerings as a starting
point to identify which will fit your business operational needs.
Core Packages
Nexus-24 : Next working day response, PPM included
Nexus-4 : 4-hour response, 24/7 cover, PPM included
Nexus Premium : Fully inclusive service with parts, labour & priority response
Feature | Nexus Premium | Nexus-4 | Nexus-24 |
|---|---|---|---|
24/7/365 Support | ✔ | ✔ | ✘ |
4-Hour Response
SLA (Priority 1) | ✔ | ✔ | ✘ |
24-Hour Response
SLA (Priority 2) | ✔ | ✔ | ✔ |
6-Monthly PPM Visits | ✔ | ✔ | ✔ |
Labour Included | ✔ | ✘ | ✘ |
Parts Included | ✔ | ✘ | ✘ |
Remote Support | ✔ | ✔ | ✔ |
Tailored SLAs & KPIs
Typical SLA's for system failures offered by Nexus include 4 and 24-hour response times but what constitutes the required response time can be tailored to a clients requirements, as can other SLA's and KPI's if you have internal reporting and response or fix requirements in a particular industry such as Data Centre, critical national infrastructure we work with clients and their stakeholders on meeting their individual needs.
Enhance your contract with:
Our Nexus Professional managed service bridges the gap between IT and physical security, ensuring systems remain secure, up-to-date, resilient and enhance our security systems maintenance package.
Key Features
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Regular System application & firmware updates
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Proactive remote diagnostics & system monitoring
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Security patching & vulnerability management
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Endpoint detection & response (EDR)
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24/7 Managed Detection & Response (MDR)
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Secure cloud backup & disaster recovery (Cove)
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Camera encryption & certification
This service transforms traditional maintenance into a proactive, cyber-secure security platform.
Why Managed Security Matters
Many organisations assume their security systems are maintained — yet:
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Software becomes outdated and vulnerable
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Integrations fail over time
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Responsibility between IT and security teams is often unclear
Nexus removes this risk by delivering full lifecycle management, ensuring systems remain supported, secure, and optimised.
Management Information & Reporting
Our reporting goes far beyond standard PPM documentation.
We provide:
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SLA & KPI performance dashboards
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Fault trend analysis
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System version & compliance tracking
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Multi-site reporting across estates
This insight enables data-driven decision-making, improving both system
performance and long-term strategy.
Remote Support & Smart Maintenance
We maximise remote diagnostics and support to:
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Improve response times and uptime
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Increase first-time fix rates
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Reduce site visits and costs
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Lower environmental impact
Technologies such as cloud-connected intrusion systems and remote monitoring tools enable a modern, proactive support model.
Dedicated
Account
Management
We offer flexible resourcing models including:
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Account Management
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Technical Support & System Administration
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Project Management
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Onsite Engineering Support
Allowing Nexus to operate as an extension of your internal security team.
System Health Checks & Lifecycle Planning
We provide detailed technical audits and system health checks, particularly when
taking over existing systems.
These reports deliver:
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Full asset visibility
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Lifecycle and upgrade planning
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Performance analysis
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Risk and vulnerability identification
Helping you maximise your existing investments while planning for the future.
Lets Discuss
How We Can Work Together
If you would like to find out more about our services and
solutions then please get in touch.
