Why Callaghan|RED?

About Callaghan|RED

Callaghan|RED is one of Ireland’s leading Consulting Engineering Firms, which operates through its core offices in Dublin and Cork with access to its global experts to support local delivery in country through RED and it’s wider group businesses.

With over 30 years of experience providing multi-discipline professional engineering design, validation, procurement, project and construction management services, Callaghan|RED provides technical expertise to deliver market leading building services and process engineering solutions. Our mission is to help global clients accelerate their sustainable transformation with outcomes such as zero carbon leading to a genuinely sustainable future.

Our Approach

Callaghan|RED's success is founded upon the excellence of its people who apply market leading technical expertise to enable the world’s digital infrastructure and develop the built environment whilst also helping clients realise ambitious plans for zero carbon built environments.  We cover the entire life cycle of any building project, with our broad capability offering saving our clients time, money and effort.  Our approach is centered around listening to our clients and interacting energetically with our fellow project stakeholders.  We add value with our people, client service ethos, global delivery strategy, technical ability and attitude.




Locations in Ireland


Years Established




We Are Bold

We dare to try.

We Are Open

We work together with collective strength.

We Are Demanding

We are always willing to go the extra mile.

We Are Caring

We build an environment based on trust and respect.

Red's purpose

Our Purpose

Make sustainability happen today.

Society is making strides towards a sustainable future, but it isn’t happening fast enough. Callaghan|RED provides technical expertise to deliver market leading building services engineering solutions. We strive to help global clients accelerate their sustainable transformation, leading to a genuinely, sustainable future.


Corporate Social Responsibility

Callaghan|RED recognises and acknowledges that the conduct of its businesses has an impact on its employees, partners, customers, the economy, the community and the environment.  We are committed to maintaining high standards of corporate social responsibility in our business activities.  Our objective is to provide the best innovation and sustainable M&E design solutions to all our clients and our approach to almost every business decision emanates from this.



Callaghan|RED's leadership team have decades of experience driving teams to support our clients and their projects globally.

Meet the Team

Ready to join the team?

If you think you have what it takes to join an award winning team and help Callaghan|RED continue its exciting journey, we want to hear from you.