Business Details
50+ Years
experience
Trusted Construction Contractors in Dublin Since 1925
Established in 1925, PJ Hegarty & Sons is a fourth-generation family-owned construction business with a century-long legacy of delivering high-quality projects across Ireland and the UK. Our expertise spans commercial, residential, civil engineering, and infrastructure sectors, underpinned by a commitment to safety, sustainability, and innovation. With over 450 staff and a strong financial foundation, we combine traditional craftsmanship with modern technology to meet client needs. Our ISO 9001, 14001, and 45001 accreditations reflect our dedication to quality, environmental responsibility, and health and safety excellence.We prioritise collaborative partnerships, lean construction principles, and digital advancements to ensure projects are completed on time, within budget, and to the highest standards. Our team's extensive experience in complex engineering projects, including roads, bridges, and data centres, positions us as a trusted leader in the construction industry.
Services
Civil Engineering
Commercial Construction
Residential Projects
Design & Build
Public Private Partnerships
Data Centre Construction
Heritage Restoration
Industrial Projects
Healthcare Facilities
Retail Development
Details
- Year established: 1925
Highlights and features
- We have 100 years of experience in complex construction projects across multiple sectors.
- Our ISO 9001, 14001, and 45001 certifications demonstrate quality and safety excellence.
- We utilise digital technology and lean construction principles for efficient delivery.
- Our team of 450+ professionals delivers projects on time and within budget.
- We maintain a strong financial base to manage multiple large-scale projects simultaneously.
Associations and certifications
- ISO 9001:2015
- ISO 14001:2015
- ISO 45001:2018
- Safe-T-Cert
What people say
Efficient and professional manner
Reliable and thorough contractor
Highest standard of project delivery
Collaborative approach
Expertise in complex engineering
Services
Civil Engineering
We deliver large-scale civil engineering projects including roads, bridges, pipelines, and basement construction. Our expertise extends to complex infrastructure developments requiring advanced engineering solutions. With decades of experience, we ensure precision and durability in every project.
Design & Build
Our design-build services integrate planning, design, and construction under one contract. This approach streamlines processes, reduces costs, and ensures cohesive project execution from concept to completion for commercial and industrial clients.
Heritage Restoration
Specialising in historical building preservation, we combine traditional craftsmanship with modern techniques. Our team meticulously restores architectural heritage sites while maintaining structural integrity and compliance with conservation standards.
Data Centre Construction
We construct secure, high-specification data centres with advanced infrastructure requirements. Our projects include 8MW to 28MW facilities in Dublin, incorporating cutting-edge technology for optimal performance and energy efficiency.
Public Private Partnerships
With extensive PPP experience, we manage collaborative projects between public and private sectors. Our approach ensures value-for-money solutions that meet public infrastructure needs while maintaining commercial viability.
People
John Hegarty
Executive Chairman
Fourth-generation leader with decades of industry experience, driving strategic direction while maintaining family values of integrity and excellence in construction leadership.
Barry Dodd
Operations Director
Chartered engineer overseeing project execution, ensuring technical excellence and operational efficiency across our UK construction portfolio with 20+ years of construction management expertise.
Colman Cronin
Finance Director
Qualified accountant managing financial strategy, ensuring fiscal stability and growth through prudent financial management aligned with our 100-year business legacy.
Conor Hegarty
Director
Project delivery specialist with technical expertise in complex construction solutions, combining academic qualifications with hands-on experience to drive project success.
Nigel Warren
Regional Director
Construction industry veteran leading regional operations, applying extensive knowledge of contract management and client relations to maintain our reputation for excellence.
Questions
What sectors does P.J. Hegarty specialise in?
We work across commercial, residential, civil engineering, healthcare, data centres, industrial, and heritage restoration projects.
Are you ISO certified?
Yes, we hold ISO 9001 (quality), 14001 (environment), and 45001 (health & safety) certifications.
Do you operate outside Ireland?
Yes, we have a UK division established in 2011 with offices in London and Birmingham.
What construction methodologies do you use?
We employ traditional contracting, design-build, management contracting, and public-private partnerships.
How do you ensure project safety?
Through ISO 45001-certified processes, Safe-T-Cert accreditation, and a Director-led health & safety culture.
Can you handle large-scale infrastructure projects?
Yes, we have proven expertise in major infrastructure including motorways, bridges, and utility pipelines.
