No 1: John Sisk & Son
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
No 4: 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 5: 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 9: Roadbridge
Total Turnover: €262,866,194
ROI Turnover: €146,818,386
International Turnover: €116,047,808
No 15: Ardmac Group Ltd
Total Turnover: €129,098,189
ROI Turnover: €47,939,372
International Turnover: €81,158,817
No 22: Glan Agua MEIC
Total Turnover: €70,276,378
ROI Turnover: €51,751,663
International Turnover: €18,524,715
No 27: ABM Group
Total Turnover: €59,762,000
ROI Turnover: €41,047,000
International Turnover: €18,715,000
No 28: Mannings Construction Group
Total Turnover: €50M
ROI Turnover: €20M
International Turnover: €30M
No 30: Ganson Building & Civil Engineering Ltd
Total Turnover: €48M
ROI Turnover: €35M
International Turnover: €13M
No 31: Elliott Building & Civil Engineering
Total Turnover: €45M
ROI Turnover: €35M
International Turnover: €10M

No 32: Purcell Construction
Total Turnover: €43M
ROI Turnover: €43M

No 33: Clonmel Enterprises Ltd
Total Turnover: €41,454,527
ROI Turnover: €41,454,527

No 34: Coffey Construction
Total Turnover: €41.3M
ROI Turnover: €38.8M
International Turnover: €2.5M

No 35: Kilcawley
Total Turnover: €41M
ROI Turnover: €41M

No 36: T&I Fit-Outs
Total Turnover: €38,741,209
ROI Turnover: €38,741,209

No 37: Adston Group Holdings Ltd
Total Turnover: €37,665,290
ROI Turnover: €14,979,812
International Turnover: €22,685,478

No 38: Arkil Holding Ltd
Total Turnover: €36.3M
ROI Turnover: €36,268,000
International Turnover: €32,000

No 39: Townlink Construction Ltd
Total Turnover: €35M
ROI Turnover: €35M
