CITADEL100, a member of the global Keppel Data Center REIT group, is Ireland’s leading datacenter operator.

CITADEL100 own and operate 64,500 sq ft. of raised-floor mission critical datacenter space in the National Digital Campus at Citywest in Dublin.

Our experienced team has a proven track record in delivering large scale, wholesale colocation solutions to both international and local enterprises in the Technology, Media and Telecoms (TMT) sector, as well as Financial and Pharmaceutical companies and local Government agencies.

Strong local market knowledge and an established contact network with international reach have maintained CITADEL100 at the forefront of the data center industry for over 15 years.

CITADEL100 provides white-space rack containment, physical security, power, cooling and data center maintenance and management services. Remote Hands & Eyes services can be provided by our inhouse 24/7 NOC (Network Operations Center).
Other services include industry leading 100% power availability SLAs and networking services.

We operate a carrier-neutral data center and provide direct access to a wide selection of network providers for greater choice, flexibility, network resilience, cost savings and speed to market. Our multiple Telecom partners deliver direct access to the widest possible selection of international and local fixed lines, broadband and mobile networks, financials service companies and cloud hubs.

Our in-house cloud partner offers industry leading cloud and data center infrastructure management software, which provides enterprises with a simple yet powerful way to quickly design, deploy and deliver reliable cloud services.

Detailed information on our data center can be found in our FAQ section here.

CITADEL100 is and SO 9001:2008 Quality Management System Certified.

CITADEL100 is part of the Keppel Data Center REIT, the first data center real estate investment trust (DC REIT) to be listed in Asia (SGX). Keppel DC REIT invests in a diversified portfolio of income-producing real estate assets used for data center purposes, with a focus on Asia-Pacific and Europe. The REIT has over 500,000 square foot of mission-critical Data Center space under operation globally. Our data centers are located in Dublin, London, Amsterdam, Singapore, Malaysia, Sydney and Melbourne. For further information on worldwide locations and the DC REIT please click here.

For the Keppel Annual Report for 2015 please click here.

If you are interested in learning more about us and our services, please fill in the ‘Request Information form’ below. Thank you.

For directions to our location please see here.


Clients have 24/7/365 access to their colo and office space onsite subject to compliance with our data center security access protocols. Please speak to the Citadel100 Operations Team for further details.