We keep your IT running. Then we use what we already know about your business to make it run better.
One supplier for support, another for security, a telco for phones, someone else for printers, and a different firm for the meeting room screens. Five contracts, five invoices, and nobody accountable when something breaks. Nostra replaces the patchwork with one accountable partner, one service desk and one plan.
Fully managed or co-managed IT with an Irish-based service desk, 24/7 monitoring and named engineers.
Learn more →Managed detection and response, 24/7 SOC, pen testing and incident response, built into how you work.
Learn more →Our own 10-layer protection for Microsoft 365 and endpoints. Built to stop ransomware and recover fast.
Learn more →NIS2, DORA, ISO 27001 and GDPR, made practical. We're ISO 27001 certified ourselves.
Learn more →Microsoft 365, Azure, Teams, SharePoint and Power Platform, designed, migrated and managed.
Learn more →Copilot made safe, then made useful. Readiness, adoption and custom AI agents.
Learn more →Networks, servers, Wi-Fi, backup and disaster recovery that keep you running.
Learn more →Hardware, licensing and device lifecycle, delivered ready to work.
Learn more →Office moves, migrations and IT projects delivered on time.
Learn more →Protection for the people behind the screens: impersonation, abuse and reputational threats.
Learn more →Started with four people and one Jeep. Now 270+ specialists across four offices. The founders still run the business.
IT, security, cloud, AI, voice, AV and print. One contract, one service desk, one account manager.
1,000+ organisations, 28,000+ users, 98% retention and a 4.9/5 customer satisfaction score.
ISO 27001:2022 certified since 2021. Deloitte Best Managed Companies 2025. Tech Excellence Managed Service Company of the Year. SonicWall Partner of the Year 2022–2025.
We have regular in-person meetings with our Nostra team. We've learnt to trust them, and it really does feel like a partnership for the future.
Working with Nostra's SharePoint team has transformed how Hali collaborates, with seamless Microsoft Copilot integration and thorough training — major improvements in communication, content management and overall efficiency.
It's very comforting to have a good IT partner… a dedicated manager and excellent response times. With Nostra's experts constantly spotting trends, we can actually piggyback our way into the future.
Trusted by credit unions, manufacturers, life sciences, property and construction, professional services, education, charities and the public sector.
2006: four people, a windowless office in Greenogue and a 2004 Jeep Cherokee. 2026: 270+ people, four offices, ten acquisitions and 1,000+ customers. Same promise: we keep IT simple, and we do the right thing.
Book a free 30-minute IT health check. We'll tell you what's working, what's at risk and what we'd fix first. No obligation.
Book Your Free Health Check