Complete Turn-key
Data Centre Solution Providers

Together, we have designed, constructed and delivered some
of the most energy efficient data centres across the globe.

3 industry



Collen Construction are a family owned business established in 1810 with a strong reputation for building quality and excellence. Collen’s ability to manage and deliver large projects within tight deadlines and to an extremely high standard are the reason why they are a ‘Top 5 Irish Contractor’ with a €200m turnover.
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Tom OConnor

“Our turn-key ‘one stop shop’ data centre building solution allows us to manage and co-ordinate all aspects of the project, whilst ensuring that we have complete control of the project from design to hand-over stage. Our expertise and ability to adapt to the fast paced data centre industry allows us to incorporate the latest and most innovative construction technologies in the market.”
Tom O'Connor, MEP Manager, Collen Construction

Design and Engineering

Design and Engineering

Technord is a turnkey electrical engineering company with €52 million turnover and 335 employees making it the greatest family business in Walloons Picardy industrial sector. Technord bring together all the skills needed to design, manufacture, install, do the commissioning and maintain industrial equipment on five continents.
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Tarik Baghdadi

“Our family business philosophy puts our customers at the middle of our attention. We deploy professionalism and creativity to contribute to the success of their projects and to gain their loyalty in a relationship of mutual trust. Our quality approach guaranteed by our ISO 9001:2008 and ISO 13485:2003 agreements is always aiming at the satisfaction of our customers and the continuous improvement of our services, our costs, our processes and our delivery time.”
Tarik Baghdadi, Business Unit Manager, Technord

Critical Power, Energy Management and IT infrastructure

Critical Power, Energy Management and IT Infrastructure

Hanley Energy are a globally recognised, award-winning innovator headquartered in Ireland and with offices in the US, Germany and the Nordics. Equipped with a wealth of experience and expertise spanning over 80 years in industry. Specialists in the design, source, supply, install and commission of critical power, energy management and IT infrastructure solutions - from the power grid all the way to the factory process equipment and Data Centre IT rack - coupled with comprehensive service and maintenance, consulting and training.
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Clive Gilmore

“Our approach is to develop partnerships with clients, ensuring excellent delivery coupled with cost-effective technology solutions. In this way, we help our clients to reduce energy costs, ensure 100% up-time and optimize their operational competitiveness.”
Clive Gilmore, CEO, Hanley Energy








Extensive understanding of the global marketplace

Each company brings their industry authority and their experience of major projects to the collective. We have deployed in excess of 250MW of critical power in the past 3 years. Expertise in developing Brownfield and Greenfield Data Centre projects from 10,000 – 1,000,000 square foot environment.

Tetrad manage and co-ordinate all aspects of the project, whilst ensuring complete control from design to hand-over stage. We will design, construct, operate, monitor and certify these data centre facilities - providing a clear and focused turn-key solution where communication is key.

Our vision is the same as your's - on time, on budget and to the highest standard. Trust, quality, expertise and innovation is at our core, we are committed to completing projects that exceed client expectations.

scope of

Site selection

site selection

Govt. compliance

government compliance

Master planning

master planning

Detailed design

detailed design

Complete EPCM services

Complete architectural and engineering design, procurement and construction management (EPCM) services – from concept to commissioning and handover.

Specialist M+E services

Mechanical design & implementation of air and chilled water systems.

    Electrical design including:
  • MV and LV systems
  • Generators
  • Transformers
  • UPS systems
  • Security and Environmental monitoring
  • Automation and Control solutions

clients &

web services

global web services

data centres

colocation data centres

data centres

modular data centres

Secure data
centre facilities

secure data centre facilities




3MSiemensAllianceCarlo GavazziAPCSchneider ElectricRockwellImefyABBPanduit*Corning*

* 25-year extended warranty for installation offered