Hosted VoIP, video conferencing, and business comms that replace your legacy phone system with something your team will actually use.
We replace ageing phone systems with one cloud platform that works on any device, anywhere — costing less, scaling instantly, and supported by the same team that looks after the rest of your IT.
Transparent per-user pricing, no hidden extras. We handle setup, number porting, onboarding and ongoing support.
Core calling for small teams
Best for growing businesses
For call centres & power users
Prices ex VAT. Minimum 4 users on Essentials, 2 on Unlimited and Enterprise. Unlimited calls subject to fair use. Full feature comparison & add-ons →
Desk phones, headsets and conference room systems — supplied, configured and covered under your service agreement. Teams and Zoom rooms set up where you need them.
Teams Phone can replace your PBX entirely — calls, meetings and chat in one app. We’ll help you choose the platform that fits how your team works.
We plan the move, port your numbers and train your team — so the first day on the new system feels like any other.
Talk to us about switching →We map how calls should flow — menus, teams, opening hours — and which plan fits each person.
We port your existing numbers across, so customers keep calling the numbers they know.
Apps, desk phones and headsets set up, and your team shown how to use them.
Changes, new starters and any issues handled by our team — one call, no ticket ping-pong with a provider.
Anything else, ask us directly — we reply the same business day.
Yes. We port your existing numbers to the new system and plan the switch-over carefully, so customers keep calling the numbers they already have.
Yes. Every user gets desktop and mobile apps for iOS and Android, so your business number goes wherever you do. Desk phones and headsets are optional — we supply and set up Poly hardware if you want it.
No. The phone system runs in the cloud, so there’s no PBX box to maintain. All you need is a decent internet connection — and if your network needs work first, we can sort that too.
Plans are priced per user, so you only pay for the features each person needs. We’ll recommend the right mix when we plan your setup.
No, prices are per user per month, excluding VAT. Minimums apply (4 users on Essentials, 2 on Unlimited and Enterprise). See the full plan comparison for every feature and add-on.
Talk to our team about where your business is today and where you want it to be. We reply the same business day.
These Terms of Service govern your use of the castlecomputers.ie website and any IT services provided by Eclipse Technology Limited (trading as Castle Computers), registered in Ireland, Company No. 265461.
By using this website or engaging our services, you accept these terms in full. If you do not agree, please discontinue use immediately.
Castle Computers provides managed IT services, network infrastructure design and management, Microsoft 365 and cloud solutions, cybersecurity, unified communications (VoIP), and cloud backup services to business clients in Ireland.
Specific engagements are governed by individual service agreements or statements of work agreed in writing between Castle Computers and the client. These terms do not, of themselves, create an obligation to provide any service.
You may use this website for lawful purposes only. You must not:
All content on this website — including text, graphics, logos, icons, images, and software — is owned by or licensed to Eclipse Technology Limited and is protected by Irish and international copyright and trademark law.
You may not reproduce, distribute, or create derivative works from any content without our express written permission.
We endeavour to keep the information on this website accurate and current. However, we make no warranty as to its completeness, accuracy, or fitness for a particular purpose. IT pricing, service availability, and specifications are subject to change without notice.
To the fullest extent permitted by Irish law:
This website may contain links to third-party websites for your convenience. We have no control over their content, privacy practices, or availability, and we accept no responsibility or liability for them. Links do not imply endorsement.
Remote support sessions conducted via GoTo Assist or similar tools are subject to your explicit consent at the time of connection. You retain full control and may terminate any session at any time. Sessions may be logged for quality and security purposes.
These terms are governed exclusively by the laws of Ireland. Any dispute arising from or related to these terms or your use of our website shall be subject to the exclusive jurisdiction of the courts of Ireland.
We reserve the right to update these terms at any time. The current version will always be available via this website. Continued use of our website after any change constitutes your acceptance of the revised terms.
For queries regarding these terms, contact us at info@castlecomputers.ie or call 01-873 3588.