25+ Years of Experience

Fixed Service Pricing

24/7 Monitoring

1000+ Fully Managed Users

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IT Infrastructure Management

Strategic infrastructure management for growing UK businesses.

Nexus Guardian Support: Infrastructure Expertise Without the Overhead

If you don’t need end-user IT cover, consider infrastructure support. Nexus Guardian Support (our IT infrastructure management service) combines 24/7 monitoring, on-site expertise, and fast escalation to keep your business running smoothly while you focus on what you do best. Guardian Support offers tailored IT infrastructure consulting to complement your internal IT team.
Unlimited 3rd Line
Service Desk Access
Includes incident management and third-party liaison services.
Infrastructure Monitoring & Remediation
Proactive event monitoring with automated remediation and preventative maintenance.
Vulnerability & Patch Management
Regular vulnerability scans and comprehensive patch management.
Backup & Replication Management
Monitoring and management of backup systems for data resilience.
Firmware & System Updates
Ongoing infrastructure firmware updates to maintain performance and security.
On-Site & Remote Support
Includes scheduled and emergency on-site visits as needed.
Dedicated Account Management
A named contact for strategic guidance, issue escalation, and personalised service.

Supporting Your Business Every Step of the Way

From strategic planning and performance insights to seamless digital access, we deliver the tools and support you need to stay ahead, stay informed, and stay in control.

Nexus staff collaborating and discussing work while looking at computer screens.

Strategic Planning & Forecasting

Support with IT budgeting, roadmaps, and alignment with business goals.

Nexus IT support specialist analysing live service desk dashboard on screen

Customer Portal Access

Easy access to tickets, documentation, and service history.
Nexus employee concentrating on coding or IT tasks at a desk

Monthly Performance Reporting

Transparent insights into system health, ticket trends, and service metrics.

Your Trusted Partner

Every year we’re externally audited to ISO 27001 for information security. We feel this is the best way to embed a security culture into our organisation, and prove it. This rubs off onto every service we provide for you.

Also, as a Cyber Essentials Plus certified provider, we pride ourselves on adhering to the highest standards in cyber security. This certification not only ensures our own systems are secure but also guarantees that our clients benefit from best practices in protecting their data and infrastructure.

By partnering with Nexus, you gain access to enterprise-grade security measures that help safeguard your business from cyber threats, boost compliance with industry standards, and provide peace of mind.

What Sets Our Managed Infrastructure Service Apart

Proactive Monitoring
We monitor your IT infrastructure around the clock for health and issues, applying patches and firmware updates to keep systems optimised.
Comprehensive Network Audit
After assessing your entire estate, we’ll deliver a prioritised roadmap to keep your infrastructure secure and efficient.
Seamless Third-party Liaison
We’ll handle your third-party tech providers to ensure a swift resolution.
Future-proof Strategy
We evaluate existing contracted solutions for continued suitability and recommend upgrades before contracts expire, ensuring your technology evolves with your business needs.

Why Choose Us for Infrastructure Support Services?

We deliver tailored infrastructure support built around your needs. From responsive service and transparent pricing to full vendor management, our flexible solutions and premium service desk help you stay in control and ahead of the curve.

Our Premium Service Desk

We aim to fix as many faults as possible on first contact, with escalation to our more experienced second-line and time-served third-line engineers as necessary.
Nexus IT support specialist wearing a headset and engaging in a client support call.

A Flexible Approach

Whether you want our experts to handle your entire IT infrastructure or prefer to create a bespoke solution from our full spectrum of services, you’ll receive a managed service solution that works best for you.
Close-up of Nexus IT Experts employee holding a smartphone while configuring device settings near a computer setup with neon light

No Surprises

We provide our clients with a full IT forecast for the duration of our relationship. Where possible, we’ll predict all costs related to your IT function, allowing for clarity when budgeting into the future.

We’ll be the Middleman

Nobody likes being the go-between. Beyond initial IT infrastructure consulting, we’ll deal with your suppliers and vendors, solving your technical issues directly with them.

Contact Us

Let’s Chat About Your IT

Every business is different and so are its IT challenges.

Whether you’re exploring how to improve cybersecurity, strengthen backup and continuity, or get more from your Microsoft 365 environment, we’ll help you identify where to start.

Our consultants will take the time to understand your setup and share clear, practical recommendations — no jargon, no hard sell.

Simply complete the form and we’ll be in touch within 24 hours.
(Most suitable for organisations with 40+ IT users.)

“Nexus Open Systems Ltd demonstrated an excellent track record delivering innovative IT services and cloud solutions while exceeding customer expectations.”

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