innovative ideas. practical solutions.

A proud history

Established in 2002, 4site has earned a wealth of international experience in the construction, engineering and telecommunications sectors.

In December 2019  4site was acquired by UK based global provider of telecom and data centre network support services, Indigo Telecom Group Limited (Indigo)

Our original objective was clear. We wanted to grow a company that offered the most innovative and cost-effective engineering services and solutions to clients across Ireland, the UK and further afield. This objective remains at the core of our business, driving a growing portfolio of specialist services to meet today’s wireless and fixed infrastructure deployment, management and support requirements.

18 years of engineering experience and expertise

Our journey

We’re passionate about what we do. For over 18 years, we have combined specialist expertise and experience to provide the highest quality turnkey-services to clients who deploy, maintain and operate FTTH and 5G telecoms and utilities infrastructure across Ireland and the United Kingdom.

Being part of Indigo Telecom Group, we now deliver global end to end telecoms services. Our expertise in design and planning complements Indigo’s build and operate data centre and managed services.

By partnering with some of the world leaders in our industry, we will continue providing unparalleled service and quality. This ensures our clients successfully meet the challenges presented by the always-evolving technology landscape.

Partner to world leaders in the distribution of infrastructure projects

Focussed on the Future

What we offer is simple. 4site offers the freedom to create new experiences. And we can deliver the power to connect where you are today with where you want to be tomorrow.

In a changing world, we’re changing faster. We see the possibility in networks, infrastructure, land and know-how to conceptualise, design and build solutions with the future in mind. We’re providing services that enable our clients to stay one step ahead and empower their customers to make the most of their world.

Global Reach


design led thinking

Always Thinking

In a changing world, we’re changing faster. We see the possibility in networks, infrastructure, land and property – and we know how to build solutions with the future in mind.

Always Improving

Our engineers have built some of the best networks in the world. But we never stop trying, testing and improving in order to create the networks of tomorrow.

Always On

We provide services that empower you and your organisation to stay one step ahead. Every element of our process is subject to rigorous testing to ensure a sustainable and positive experience.

Our Approach

We start every project with a collective vision to build something better than what has come before.

Our Ambition

We have built some of the best networks in the world for some of the world’s leading brands. And we continue to strive to improve our service and create new and better experiences for our clients’ consumers.

Our Tools and Accreditations

We have designed specific tools to support our processes and deliverables to ensure our capabilities are always to the fore. Our accreditations include ISO, CPD from Engineers Ireland, NISO, RoSPA and HSEQ.

experience. expertise. innovation.

Mark O’ Connor


Ray O’Connor


Dom Kimber

Commercial Director

Niall Looney

Operations Director

Ian Duggan


Join the Team

We’re always looking to meet people who are passionate about our industry and creating positive change. If you are looking for a challenging and rewarding position with a growing engineering company with a diverse range of services and capabilities, please get in touch.

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