About Sentinel

IT Infrastructure You Can Trust, Built for Modern Business

Sentinel Infrastructure was founded with a straightforward purpose: to give small and medium-sized businesses access to professional, responsive IT support that used to be the preserve of large corporates.

Sentinel Infrastructure 99.9 % Uptime SLA 500 + Clients hosted 15 min Critical response UK Based & hosted Why businesses trust us Local team · No call centres · Fixed pricing
UK-based
Not a call centre
No lock-in
Rolling contracts
Our Story

Different by design. Local by choice.

Sentinel Infrastructure was built on the frustration of seeing local businesses underserved by IT providers that were either too large to care or too small to cope. We set out to create something different: a local IT partner with enterprise-level expertise and the responsiveness of a team that genuinely wants to see your business succeed.

We support businesses across the UK, combining remote helpdesk efficiency with on-site presence when it's needed. Our clients aren't ticket numbers. They're businesses we know by name, by sector, and by the IT challenges they face every day.

We believe that every business, regardless of size, deserves IT that just works. Reliable hosting. Professional email. Proactive support. And a team you can actually speak to when something goes wrong.

By the Numbers
Uptime SLA 99.9%
Response time (critical) 15 min
Based in United Kingdom
Microsoft Certified Partner
Why Sentinel

Four reasons businesses choose us

Personal Service

We understand the SME business community. Our clients aren't ticket numbers. They're businesses we know by name.

One Partner for Everything

Domain, hosting, maintenance, IT support, and Microsoft 365, all managed by a single team. One invoice. One point of contact. No gaps.

Fixed, Predictable Pricing

No surprise charges. Our monthly plans cover everything so you can budget with confidence and scale without anxiety.

Proactive by Default

We don't wait for things to break. Proactive monitoring, regular patching, and planned reviews mean we catch issues before they become problems.

Accreditations & Partnerships

Qualified to the highest standards

Our team holds certifications and partnerships that demonstrate our technical expertise and commitment to quality. When you work with Sentinel, you're working with a team that is qualified, accountable, and continuously developing.

  • Microsoft Partner
  • Cyber Essentials certified
  • Local Chamber of Commerce member
  • GDPR-compliant data handling practices
★★★★★
Since switching to Sentinel, I don't think about our IT at all. That's exactly how it should be.
Director, Accountancy firm

Get to Know the Sentinel Team

Book a free, no-obligation consultation. We'll review your current IT setup and recommend the most effective next steps.