Irish Construction News Top 40 Building Contractors 2023

The Irish Construction News Top 40 Building Contractors 2023 listing is a snapshot of the building contractors’ sector of the Irish construction industry at the end of 2022.

No 1: John Sisk & Son

John Sisk & Son group turnover last year was just over €1.74bn up circa €250m on its 2021 figure of €1.485bn.

Total Turnover: €1,737,700,000

ROI Turnover:€997,800,000

International Turnover: €739,900,000

No 2: Winthrop

Winthrop is unique in being the only dedicated data-centre delivery partner providing turnkey solutions to its clients, from design right through construction and on to commissioning and hand-over.

Total Turnover: €1,033,579,000

ROI Turnover: €427,111,000

International Turnover: €606,468,000

BAM has been operating in Ireland for over 60 years and has delivered many of the country’s flagship infrastructure projects and landmark buildings. It employs over 3,000 people directly and indirectly

Total Turnover: €669M

ROI Turnover: €623M

International Turnover: €46M

No 4: John Paul Construction

2022 was another good year for John Paul Construction, with turnover reaching €605m, €507m of which was generated in Ireland. The company continued its journey of sectoral and geographic diversification, delivering complex projects across all sectors of the industry in Ireland, the UK and the Middle East.

Total Turnover: €605M

ROI Turnover: €507M

International Turnover: €98M

No 5: PJ Hegarty & Sons UC

Established in 1925, building contractor PJ Hegarty & Sons UC operates throughout Ireland and the UK, with offices in Dublin, Cork, Limerick and London.

Total Turnover:€501M

ROI Turnover: €433M

International Turnover: €68M

No 6: Walls Construction Ltd

The turnover of Walls Construction in 2022 was €473m, up €170m on its turnover of €303m in 2021.

Total Turnover: €473M

ROI Turnover: €473M

No 7: Collen Construction

Established in 1810 and still a family-owned business, Collen has offices in Dublin, Sweden and Germany and employs 400 people. The company’s clients range from large-scale multinational corporations to private companies and state bodies. Collen has established a reputation for providing complex projects on time and within budget.

Turnover: €450M

ROI Turnover: €204M

International Turnover: €246M

No 8: Bennett (Construction) Ltd

Bennett (Construction) Ltd is a family-own tier-1 construction contractor that has been at the forefront of construction for over 100 years and is now in its fourth generation.

Total Turnover: €345M

ROI Turnover: €265M

International Turnover: €80M

No 9: JJ Rhatigan & Company

Tier-1 main contractor JJ Rhatigan & Company was established in 1952 and remains a family-oriented operation, carrying on a strong tradition of building quality and innovation.

Total Turnover: €320M

ROI Turnover: €229.7M

International Turnover: €90.3M

No 10: Murphy Ireland

Murphy Ireland is a leading multi-disciplinary engineering and construction company that directly employs over 700 engineers, designers, technicians, managers, and operatives.

Total Turnover: €225M

ROI Turnover: €185M

International Turnover: €40M

No 11: Wills Bros

Founded in 1972 and celebrating 50 years of business in 2022, Wills Bros is a civil engineering contractor at the forefront of national infrastructure development in Ireland, the UK and Europe.

Total Turnover: €200M

ROI Turnover: €126M

International Turnover: €74M

No 12: Ardmac Group Ltd

Ardmac delivers high-value workspaces and technical environments in Ireland and across Europe. Headquartered in Dublin, with offices in Manchester, Craigavon, Brussels, Cork and Switzerland, Ardmac supports projects all over Ireland, the UK and Europe, and in 2021 completed expansion into Finland and Germany.

Total Turnover: €193.5M

ROI Turnover: €112.2M

International Turnover: €81.3M

No 13: mac-group

The mac-group was founded in 2002 with a mission “to construct, restore and repurpose buildings to exceed the expectations of clients, consultants and staff, and to question and improve upon all that has gone before”.

Total Turnover: €188.7MM

ROI Turnover: €112.3M

International Turnover: €76.4M

N0 14: Conack Construction

Conack Construction is a general building and civil engineering contractor founded in 2008 by joint managing directors Kieran Cusack and Tom O’Connor.

Total Turnover: €152,647,913

ROI Turnover: €152,647,913

No 15: Elliott Group

Founded in the 1920s, Elliott Group is one of the most respected construction companies in Ireland and the United Kingdom (UK).

Total Turnover: €145M

ROI Turnover: €120M

International Turnover: €25M

No 16: Errigal Contracts LTD

Errigal was founded in 1996 by co-owners and joint managing directors Damien Treanor and Cormac McCloskey. Its headquarters in Monaghan has a dedicated manufacturing facility, with regional offices in London, Derry, Zurich, Amsterdam and, more recently, Frankfurt.

Total Turnover: €141M

ROI Turnover: €37M

International Turnover: €104M

No 17: Flynn

Total Turnover: €132M

ROI Turnover: €101.3M

International Turnover: €30.7M

Flynn has been in business for 18 years and provides a comprehensive range of construction management, fit-out and main contracting services.

No 18: Monami Construction

Total Turnover: €126,399,760

ROI Turnover: €126,399,760

Monami Construction provides a dynamic, innovative and highly experienced building service to clients of the construction industry.

No 19: Jons Civil Engineering Company Ltd

Total Turnover: €102M

ROI Turnover: €102M

Jons Civil Engineering Company Ltd (JCEL) has been in operation since 1983. Since that time, it has successfully delivered over 330 major infrastructural projects.

No 20: Townmore Construction

Townmore was established in Tullamore, Co Offaly, by the Screeney family. Over the past 15 years, the company has become an international contracting business with offices in Dublin, Cork, and London, with its headquarters in Tullamore.