IT Infrastructure
Built to Move Fast.

We design, secure, and manage your entire IT environment — so your team stays focused on the work that grows your business, not the technology behind it.

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25+
Years Active
300+
Users Supported
99%
Client Retention
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What We Do

Everything Your Business IT Needs.

One partner. Every layer — from structured cabling to cloud platforms, communications, and cybersecurity.

Technology Partners
Trusted Alliances. Proven Platforms.
We partner with the world's leading technology vendors to deliver best-in-class solutions for your business.
Certified Partner Network
Microsoft
Ubiquiti
HP
Dell
Lenovo
Trend Micro
Poly
Kingston
Zebra
Synology
Managed IT Services

Your IT team, without the overhead.

Running a business shouldn't mean running an IT department on the side. We become your outsourced tech team — proactively monitoring, maintaining, and optimising everything so problems get resolved before you notice them.

  • Proactive monitoring & automated patching
  • Remote & on-site support, same business day
  • Hardware & software procurement
  • IT strategy & annual roadmap planning
  • Full asset management & documentation
  • Dedicated account manager
Talk to Our Team  →
castle-it · infrastructure monitor
Office LAN — Ubiquiti● 47 devices
Perimeter Firewall● Blocking 12/hr
Microsoft 365 Tenant↑ Syncing…
Cloud Backup● Last: 4 min ago
Endpoints — 3 devices⚠ Patch pending
Remote Workers● 8 active
99.8%
Uptime
↑ 30 day avg
14ms
Avg Latency
↓ vs last week
0
Threats Today
✓ All clear
Remote Support

Instant help.
Wherever you are.

Our engineers connect to your machine securely in seconds — seeing exactly what you see, fixing exactly what's broken. No on-site visit needed.

You remain in full control throughout the session. Share your screen, watch us work, or take back control at any time.

castle-it · remote diagnostic
Remote Support Portal
Powered by GoTo Assist
I'm a Client
I'm a Technician

Enter your name and the support key provided by your Castle Computers engineer to start your session.

No key? fastsupport.gotoassist.com

Castle Computers team members: launch GoTo Assist to start or manage a remote support session.

app.gotoassist.com

First time using remote support?

Call us on 01-873 3588 and we'll walk you through the process.

Latest News

IT insights for Irish businesses.

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Ready to simplify your IT?

Get in touch for a no-obligation review of your current setup. We'll show you exactly what we'd do — and what it'll cost.

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