The Irish Construction News Top 40 Building Contractors 2021 listing is a snapshot of the building contractors’ sector of the Irish construction industry at the end of 2020.

No 1: John Sisk & Sons

According to John Sisk & Son CEO Stephen Bowcott, despite the difficult environment caused by the Covid-19 pandemic, the group’s construction arm delivered a good set of results.

Total Turnover: €1.503BN

ROI Turnover: €705.7M

International Turnover: €797.2m (UK €520.3M, Mainland Europe €276.9M)

No 2: 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. Its principal areas of operation are large complex projects in all sectors, including commercial, pharmaceutical, high-tech, hotel/leisure, residential and civil engineering

Total Turnover:€564M

ROI Turnover: €553M

International Turnover: €11M

No 3: Bam Ireland

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: €461M

ROI Turnover: €461M

N0 4: Collen Construction

Established in 1810 and still a family-owned business, Collen has offices in Dublin, Germany and Sweden and employs 360 people. The company’s clients range from large multinational
corporations and private companies to local authorities and state bodies.
Turnover: €413M

ROI Turnover: €135M

International Turnover: €278M

No 5: John Paul Construction

John Paul Construction has enjoyed great success across various sectors and regions. In the south of Ireland, following the successful completion and handover of major projects for Edwards Lifesciences and Regeneron in Limerick, and Bausch + Lomb in Waterford, the company commenced work on two projects on the Eli Lilly campus in Dunderrow, Kinsale, and has returned to Pepsico’s plant in Carrigaline to construct a new production building.

Total Turnover: €447.8M

ROI Turnover: €363M

International Turnover: €84.8M

No 6: Bennett Construction

Total Turnover: €367M

ROI Turnover: €284M

International Turnover: €83M

No.7: JJ Rhatigan & Company

Total Turnover: €288M

ROI Turnover: €255M

International Turnover: €33M

walls

No.8: Walls Construction Ltd

Total Turnover: €273.5M

ROI Turnover: €273.5M

No.9: Roadbridge

Total Turnover: €271.2M

ROI Turnover: €119.6M

International Turnover: €151.6M

No.10: mac-group

Total Turnover: €195M

ROI Turnover: €145M

International Turnover: €50M

No.11: Willis Bros

Total Turnover: €130M

ROI Turnover: €90M

International Turnover: €40M

No.12:  Errigal Contracts Ltd

Total Turnover: €141M

ROI Turnover: €37M

International Turnover: €104M

No.13: Murphy International

Total Turnover: €127.7M

ROI Turnover: €112M

International Turnover: €15.7M

No 14: Siac Construction

Total Turnover: €120M

ROI Turnover: €110M

International Turnover: €10M

No.15: Ardmac Group Ltd

Total Turnover: €159.3M

ROI Turnover: €69.6M

International Turnover: €89.7M

No 16: Flynn

Total Turnover: €125M

ROI Turnover: €115M

International Turnover: €10M

No 17: Duggan Brothers Ltd

Total Turnover: €101.75M

ROI Turnover: €101.75M

International Turnover: €-M

No 18: Stewart Construction

Total Turnover: €124.8M

ROI Turnover: €124.8M

International Turnover: €-M

No 19 Townmore Construction

No.20: Conack Construction Ltd

Total Turnover: €79.5M

ROI Turnover: €79.5M

International Turnover: €-M

No 21: MEIC Glan Agua

Total Turnover: €113.8M

ROI Turnover: €93.8M

International Turnover: €20M

No 22: Clancy Construction

Total Turnover: €42.4M

ROI Turnover: €42.4M

International Turnover: €-M

No 23: Vision Contracting

Total Turnover: €52M

ROI Turnover: €52M

International Turnover: €-M

No 24: Monami Construction

Total Turnover: €51.2M

ROI Turnover: €51.2M

International Turnover: €-M

No 25: Jons Civil Engineering

No 26: Gem Group

Total Turnover: €63.3M

ROI Turnover: €63.2M

International Turnover: €0.1M

No 27: ABM Group

Total Turnover: €77.5M

ROI Turnover: €57.5M

International Turnover: €20M

No 28: Mannings Construction Group

Total Turnover: €35.3M

ROI Turnover: €20M

International Turnover: €15.3M

No 29: MMD Construction

Total Turnover: €42.3M

ROI Turnover: €42.3M

International Turnover: €-M

No 30: Ganson

Total Turnover: €68M

ROI Turnover: €59M

International Turnover: €9M

No 31: Elliott Building & Civil Eng

Total Turnover: €80M

ROI Turnover: €60M

International Turnover: €20M

No 32: Purcell Construction

Total Turnover: €52.5M

ROI Turnover: €52.5M

International Turnover: €-M

No 33: Clonmel Enterprises Ltd

Total Turnover: €28.8M

ROI Turnover:28.8M

International Turnover: €-M

No 34: Coffey Construction

No 35: Kilcawley

Total Turnover: €43.1M

ROI Turnover: €43.1M

International Turnover: €-M

No 36: T & I Fit-outs

No 37: Adston Group Holdings Ltd

Total Turnover: €39.7M

ROI Turnover: €15.2M

International Turnover: €24.5M

No 38: Arkil Holding Ltd

Total Turnover: €58.6M

ROI Turnover: €58.3M

International Turnover: €0.3M

No 39: Townlink Construction

No 40: DFL

Total Turnover: €37.9M

ROI Turnover: €35M

International Turnover: €2.9M