The Irish Construction News Top 20 Mechanical and Electrical Contractors 2020 Listing is a snapshot of the overall Irish M &E specialist services sector at the end of 2019.
No.1: Mercury
Mercury is a European contractor that builds and manages complex engineering projects that reimagine how people work and live in the built environment. Mercury’s focus and determination enable it to deliver leading-edge construction solutions across a range of key sectors, including enterprise and hyperscale data centres, advanced technology and life sciences, fire protection, technical support services (TSS), data centre facility management, healthcare and building services.
Total Turnover: €1.04BN
ROI Turnover: €375M
International Turnover: €665M
No.2: Jones Engineering
Jones Engineering Group currently employs over 4,000 people with a turnover of circa €750m per annum and a training budget of in excess of €2m. Operating throughout Ireland, the UK, Europe and the Middle East, it delivers projects in the data centre, medical, life sciences, building services, industrial, semi-conductor, and power and energy sectors.
Total Turnover: €750M
ROI Turnover: €375M
Internation Turnover: €375M
No 3: Winthrop
Winthrop is a dedicated data centre construction company providing turnkey solutions to meet clients’ needs. Founded in 1995 and headquartered in Dublin, Winthrop has a portfolio of projects that stretches across Europe.
Total Turnover: €560,006,114
ROI Turnover: €91,820,525
International Turnover: €468,185,589
No 4: Dornan Engineering Ltd
2020 was a bumper year for Dornan, having the largest turnover in the company’s history. According to Micheál O’Connor, Managing Director, Dornan Engineering: “On the back of an exceptional year in 2020, 2021 has shown some pause in certain sectors following the impacts of Covid-19 on the broader European and global economies.
Total Turnover: €488M
ROI Turnover: €115M
International Turnover: €373M
No 5: Kirby Group
Established in 1964, Kirby Group Engineering is a values-driven business that has taken pride in providing quality and value for its clients for over 55 years. A family-founded, privately-owned company, Kirby provides complete mechanical and electrical contracting services. The company also provides specialist high-voltage (HV) and medium-voltage (MV) design and construction services.
Total Turnover: €292,746,938
ROI Turnover: €157,728,319
International Turnover: €135,018,619
No 6: Designer Group
Total Turnover: €203,426,638
ROI Turnover: €114,568,009
International Turnover: €88,858,629
No 10: Radley Engineering
Total Turnover: €58,830,153
ROI Turnover: €57,746,117
International Turnover: €1,084,036
No 11: MSL Engineering Ltd
Total Turnover: €51,340,083
ROI Turnover: €48,688,031
International Turnover: €2,652,052

No 16: Weltec Engineering
Total Turnover: €37,150,000
ROI Turnover: €37,150,000

No 17: CJK Engineering
Total Turnover: €29,058,774
ROI Turnover: €29,058,774

No 19: Tritech Engineering Ltd
Total Turnover: €20M
ROI Turnover: €20M
