The 25 largest Construction companies in Dublin

Jones Engineeringjoneseng.com

Multi-disciplined engineering contracting company providing a complete range of engineering and building services installations globally, working with multi-nationals and delivering projects safely

Mercurymercuryeng.com

Design and manage complex engineering and construction projects for leading corporations, delivering innovative solutions that connect communities and businesses.

John Sisk & Son Ltdsisk.com

Innovative engineering and construction company with extensive operations across Ireland, UK, and Europe, providing comprehensive construction services since 1859.

Linesightlinesight.com

Provides professional consultancy, management support, and strategic advice to the global construction industry from concept to completion across diverse sectors worldwide.

Designer Groupdesignergrp.com

International provider of innovative electrical and mechanical services, sustainable energy solutions, and industrial solutions, with a focus on safety, quality, and sustainability

Winthrop Technologieswinthrop.ie

A dedicated data centre delivery partner specializing in turnkey solutions for clients across Europe, offering design, construction, and commissioning services

KCC Groupthekccgroup.com

Specializes in providing comprehensive door, access control, glazing, and partition solutions, with a focus on quality, innovation, and customer satisfaction

John Paul Constructionjohnpaul.ie

An international construction company offering services in infrastructure, fit-out, and project delivery with a focus on innovation, professionalism, and excellence

KSNksn.ie

An Irish-owned consultancy practice offering expert quantity surveying, cost management, and sustainability advice to maximize potential return for clients

PJ Hegarty & Sonspjhegarty.ie

A progressive building and civil engineering company founded in 1925, working on projects in Ireland and the UK, with expertise in infrastructure and industrial facilities

Collen Constructioncollen.com

Established in 1810, a leading construction firm in Ireland offering services in management contracting, design & build, joint ventures, and turnkey contracts across various sectors

ORSors.ie

Leading provider of multidisciplinary design and build services, specializing in civil, structural engineering, project management, health and safety, and energy management for diverse clients.

CJKcjkengineering.ie

Irish-owned provider of mechanical and electrical services for industrial, pharmaceutical, public, and commercial sectors with over 25 years of experience

Flynnflynnmc.com

International construction business with diversified projects across Ireland, UK, and Europe Strong relationships with partners and clients ensure best-in-class project delivery in any sector

Tritech Engineeringtritech.ie

A mechanical, electrical, and maintenance contractor with a focus on enhancing building performance through innovative solutions and high-quality engineering services

Ecocem Globalecocemglobal.com

Development and manufacturing of innovative cement technology reducing carbon emissions by 50%, enabling sustainable construction and industry decarbonization.

SIG Irelandsig.ie

Provides specialist building materials and expert technical support for commercial and residential projects, delivering solutions across Ireland.

Construction Industry Federation (CIF)cif.ie

Represents the Irish construction industry, shaping policy, providing expert advice on industrial relations, contracts, procurement, planning, and safety for members.

CUNNINGHAMcunninghamcontracts.com

A leading Main Contractor in Ireland, delivering successful projects in Mission Critical, Education, Healthcare, Fit Out, and Residential sectors with innovation and collaboration

Centum Engineering Servicescentum.ie

Specializing in construction solutions for various sectors, we provide tailored packages ensuring high-quality, cost-effective, and safe projects in UK, Ireland, and Europe

LPI Grouplpigroup.com

Professional contracting firm specializing in lightning protection systems, earthing systems, and surge protection devices with expertise in design, installation, and maintenance services

Stewart Constructionstewart.ie

Leading main contractor delivering technically advanced building projects nationwide for commercial, industrial, health, retail, education, hospitality, and residential sectors.

PSEpse.ie

A leading energy technology solutions company providing backup power generation, battery storage systems, and energy management devices for commercial and industrial applications worldwide

William Farrell Limitedwfl.ie

An engineering solutions contractor specializing in commercial, industrial, medical, and educational sectors, offering design, build, installation, maintenance, and 24-hour services

CME Industrialcmeind.com

An Irish engineering and fabrication company specializing in complex industrial projects, delivering quality products and services through diverse expertise and innovation