CMS (Celtic Management Services) is a Dublin-based IT services provider, delivering scalable, cross-border solutions with agility and expertise. Since 2020, CMS has completed 90+ projects across Ireland, the UK, US, Europe, Middle East, and Africa.

Years of experience in Management Services
CMS was founded in Dublin in 2020, right on the brink of the global COVID lockdown. From day one, we were driven by a clear purpose—to help businesses stay resilient, no matter the challenge. One of our earliest milestones was helping a large customer rapidly deploy laptops so their teams could work from home without missing a beat. That moment defined who we are.
Since then, we’ve continued to show up with the same urgency, care, and precision—delivering top-tier engineers, quality IT hardware, and reliable execution across every project. At CMS, we don’t just meet requirements—we make sure our customers see real value. That commitment to doing what’s right, and doing it well, is what drives us every day.
CMS envisions, as a technology leader, to deliver services that empowers any organisation to thrive in a digital-first world—delivering world- class cybersecurity, seamless IT end-user experiences, and access to top-tier IT engineers, drive innovation, resilience, and sustainable growth in an increasingly complex and connected landscape.
CMS’s vision will help set our mission at CMS is to deliver reliable, secure, and scalable IT services that enable our clients to navigate the demands of a digital-first world. We achieve this by providing cutting-edge cybersecurity solutions, optimised end-user computing environments, and agile access to skilled IT professionals—ensuring every organisation we serve can operate with confidence, adapt with agility, and grow sustainably.
Finished Projects
IT Devices Decommissioned
Product Partners
Expert Team
End-to-end IT services tailored for SMBs. UMS365 delivers:

Full-stack cyber protection delivered as a managed service. Features include:

Procurement, rental, maintenance, refresh, and decommissioning of IT hardware, including support for legacy data center infrastructure like IBM POWER and Cisco gear.

Providing skilled resources across:


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Read DetailsWeb development involves creating and maintaining websites or web applications
Read DetailsA creative layout refers to the visually appealing and strategically organized arrangement
Read DetailsProduct design is the process of creating and refining a tangible or digital product
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