Skip to Content

World-Class colocation

Digital strategies start in data centres where we help advance cloud strategies

Our Approach

Data centre colocation is the physical foundation and starting point for digital strategies. For over 20 years, BT Ireland has been providing secure colocation services in our own data centres, where our strength is recognising that every customer is unique. World-class facilities in Dublin and Belfast are built to Tier III specifications and managed to ISO and ITIL standards by engineers and service teams with the highest professional certifications.

Globally, we have over 15 BT data centres and access to over 200 more through our partner network. Our data centre footprint is growing, with our continuous investment in Data Centre Services. Coupled with our global networking capabilities, this means we can offer unique scale and reach. With our colocation and data centre services, you can harness virtual servers and digital technologies to realise cloud-like benefits of lower cost and improved security, while setting a course for hybrid combinations of public and private cloud.

Our related products & services

Quick, Easy, Reliable Internet Service

Internet connectivity is now fundamental to every organisation, which is why BT is so focussed on delivering competitive premium business grade services.

Benefits to You:

  • Streamlined management – one combined bill for internet and your data centre solutions
  • High performance with direct links into the BT ISP core – better redundancy, bandwidth, improved latency
  • Quick setup –activation within days
  • Flexible – fully burstable to line speed with no contention
  • Reliable, SLA-backed service
  • Fully Redundant service provide on dual access circuits
  • Support 24x7x365 service monitoring and management
  • Optional integrated range of DDOS mitigations services available

We provide a range of services provided as options to the standard colocation offering. Delivering competitively priced rack space is no longer sufficient. Customers are looking for value add Data Centre Services that offer a range of support services that enable them to get on with running their business.

BT’s value add Data Centre services include:

Rack services

BT offers a variety of secure rack solutions including anything from cabinets to cages or private suites with installation Services available supporting a range of low and high density power as required.

Cabling Services

High-performance connectivity to clouds, networks, and partners of your choice. With BT, provisioning cross connects is fast and easy - allowing you instant access to the networks, cloud providers and the IT providers you need within our data centre facility on-demand.

Hardware Procurement

We have been working for more than 30 years, providing industry leading and award-winning IT hardware and software supply. We hold strategic partnerships and leading accreditations with key vendors. This can result in:

  • Reduced costs through single supply chain management
  • Increased business efficiencies through effective procurement strategy
  • Delivering best practice around supply solutions
  • Reduced procurement cycle
  • Hardware Break-Fix

BT offers a market leading break-fix service to clients hosted within our Data Centre. We will undertake support, maintenance and repair of client servers and associated equipment in line with the Service Levels offered to our existing field clients. To provide services in a cost-effective manner, we can provide the break-fix service in a blend of service levels to suit a client’s needs.

BT has onsite technical support 24x7x365 and will provide Remote Hands services, designed to provide an onsite presence for routine support and maintenance and for emergency situations. Remote Hands can include tape-changing and customer-led troubleshooting services to ensure the customer can minimise associated costs of dispatching either outside contractors or internal resource for such tasks, leaving them free to focus on core business.

BT Ireland data centres

Dublin is a leading hub for data centres in Europe. BT has two data centre facilities in the Dublin area, located in Citywest and Ballycoolin.


Citywest is one of the most renowned locations for data centre facilities in Ireland. Citywest is a Tier III carrier neutral purpose-built facility operating over 20 years, made up of two independent data centre buildings (Block A and B), covering 120,000 sq. ft. in Citywest Business Park. It provides a full range of data centre services, all wrapped up in BT’s world-class network, security, and IT service management capabilities. BT Citywest is also the only data centre in Ireland with access to a wholly owned local and global network, giving our customers the ability to quickly scale and reach overseas markets.


Ballycoolin is our newest data centre, where we upgraded the facility to the latest infrastructure blending high efficiency with availability and performance. The data centre offers our customers multiple benefits for their IT needs including the unique ability to obtain total end to end security, hosting, and network services from a single provider in the Dublin area that can offer meaningful geo diversity for high performance or disaster recovery.

Our data centre features:

  • Onsite 24x7x365 support from our helpdesk and technical teams
  • Access to over 300 accredited and certified network and IT professionals
  • 100% uptime SLAs ensure we always provide the highest performance
  • IT security layers - IS0 27001, ensuring your most valuable data assets are protected
  • Carrier neutral data centre enabling redundancy, optimal uptime and cost-efficiency
  • Physical security measures - 24 x 7 x 365 security guards, cameras, biometrics and key cards
  • Regular audits through Lloyd's of London ensures continuous compliance and improvement
  • Rigorous compliance with mature certifications - ISO 27001, ISO 9001, ISO 14000, ISO 20000, PCI DSS and SOC2


  • Concentrate on core business and leave data centre management to a trusted partner
  • Directly connect to hybrid clouds of your choice from our data centre colocation facility
  • Our longevity and proven track record ensures a consistent, high-quality customer experience
  • End-to-end value add solutions that leverage our network, security, and IT capabilities
  • Experience cost savings and performance benefits of cloud interconnection solutions from leading cloud providers - Amazon, Microsoft, Google and Oracle
  • Accelerate your sustainability strategy with BT - we are a signatory to Ireland's Low Carbon Pledge and source 100% renewable electricity

Further insights

Spotlight image 740x516 (24)
Case Study ICON pharmaceuticals

BT ticks all boxes for ICON pharma company which is headquartered in Dublin with offices in 37 countries.

Learn more
Blog BT Ireland expands data centre capabilities

We are delighted to announce that we have expanded our data centre facilities with the addition of a new unit in Ballycoolin in Dublin.

Read more

Related solutions

Connect your org and securely access the cloud - Spotlight image 740x516 (6)
SOLUTION Connect your organisation and securely access the cloud, globally

Unlock your infrastructure and expand as a digital business.

Learn more
Security Spotlight image 740x516 (20)
SOLUTION Make security integral to your business

Digital security isn't just about technology. It's also about the relationships, intelligence and expertise you need to stay one step ahead in the security race.

Learn more