L3NODE // L3ASSURE

Keep critical infrastructure running.

Flexible, multi-vendor hardware maintenance designed to maximise uptime, reduce operational risk and extend the life of your technology estate.

Explore the L3Nodes

Vendor maintenance contracts are expensive and rigid, and ageing estate can become harder to protect once it falls out of standard support windows.

L3Assure gives you one flexible, vendor-agnostic support layer across your entire estate, covering networking, wireless, servers, storage, security appliances and edge technology.

Best fit for

  • Replacing expensive vendor maintenance
  • Supporting multi-vendor estates
  • Extending legacy infrastructure life
  • Improving uptime for critical environments

Core Capabilities

Capabilities include

Multi-vendor maintenance

One contract across your estate.

  • Networking & wireless
  • Servers & storage
  • Security appliances
  • Firewalls & UPS

Onsite engineering

Skilled engineers where you need them.

  • UK-wide coverage
  • Rapid dispatch
  • Multi-vendor expertise
  • Field-ready teams

Annual maintenance contracts

Predictable, accountable cover.

  • Tailored SLAs
  • Scheduled reviews
  • Lifecycle planning
  • Single point of contact

Break-fix support

Responsive repair when it matters.

  • Fault diagnosis
  • Parts replacement
  • Onsite or remote
  • Fast turnaround

Lifecycle & legacy support

Keep working kit in service.

  • EOS/EOL support
  • Spare sourcing
  • Extended life planning
  • Lower refresh cost

Why Luminor3

Built to be trusted

Nationwide coverage

UK-wide engineering presence for rapid onsite response.

Fast response

SLA-backed turnaround on break-fix and maintenance.

Multi-vendor expertise

One accountable partner across every manufacturer.

Experienced engineers

Field-ready specialists with deep vendor training.

Cost optimisation

Lower total cost than OEM-only maintenance.

How It Works

A clear delivery path

1

Assess

Audit your estate and support gaps.

2

Scope

Define SLAs and coverage per device class.

3

Cover

Activate maintenance and break-fix support.

4

Maintain

Proactive monitoring and scheduled visits.

5

Optimise

Lifecycle planning to extend value.

Technologies & Environments

What we cover

CiscoJuniperHPEDellNetAppArubaFortinetPalo AltoAPCEdge devices

Business Outcomes

What you get

Higher uptime

Keep critical infrastructure available when it matters most.

Lower risk

Reduced operational risk across multi-vendor estates.

Lower cost

Extend asset life and avoid premature refresh.

Continuity

Accountable support across legacy and new kit.

Speak to an L3Assure specialist.

Tell us about your environment and we'll be in touch within one business day.