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Shanahan Engineering is a leading global energy services company. We have four decades of proven experience with all types of power projects in over seventy countries worldwide. Our Customer base includes many of the world’s leading organizations within the energy industry. Our customers range from OEM’s to Owner Engineers and EPC’s to Contractors and Owners. We specialize in and provide our customers with the following services: Construction - We have extensive knowledge in the construction of power plants worldwide. We have performed the role of Principle General Contractor and Erection Contractor on many projects, employing our own direct subcontractors and workforce in both regulated and non-regulated environments. Commissioning - We specialize in the commissioning of large-scale power projects, all over the world. Our company understands what it takes to commission a plant from construction turnover to commercial operation. Consultancy services - Our in-depth global experience serves as an integral resource in providing the following range of services: Project Due Diligence, Compiling & Writing Technical Documentation, Training Services & Commercial & Claims Analysis Manpower Supply - We have the capability to source, employ and mobilize local and international professionals to our client’s projects worldwide. We are a proven, reputable leader of energy services to the power industry. Our experience provides us with the knowledge of what it takes to deliver projects on time in challenging environments and our clients trust us to deliver on our commitments in safety, quality, and schedule.

Website http://www.shanahanengineering.com
Revenue $495.2 million
Employees 372 (233 on RocketReach)
Founded 1979
Address Pier Business Campus Block 1 Old Dunleary Rd. West Fl 3, Dun Laoghaire, Leinster, IE
Phone +353 1 280 9888
Technologies
Industry Oil and Gas, Construction General, Consulting Services (B2B), EPC Power Stations, Construction, Construction and Engineering, Plant Construction, Construction Management & Project Management, Power Plant Consulting, Technical Field Services, Commissioning, Installation, Simple Cycle, Combined Cycle, Conventional Oil, Conventional Coal, Oil & Gas, Renewables, Nuclear
Web Rank 10 Million
Keywords Sustainable Energy, Energy Services, Oil And Gas, Power Projects, Global Energy, Power Generation, Engineering Services, Renewable Energy, Energy Solutions, Power Engineering, Infrastructure Projects, Energy Projects, Engineering Consulting, Project Management, Energy Consulting, Power Systems, Electrical Engineering, Mechanical Engineering, Civil Engineering, Construction Management
Competitors Black & Veatch, Jacobs, AECOM, VECO Engineering, Kiewit, Fluor Corporation, McKinsey & Company, Hatch, SNC-Lavalin, Tetra Tech +34 more (view full list)
SIC SIC Code 162 Companies, SIC Code 16 Companies
NAICS NAICS Code 237990 Companies, NAICS Code 23799 Companies, NAICS Code 541 Companies, NAICS Code 2379 Companies, NAICS Code 237 Companies, NAICS Code 23 Companies, NAICS Code 54 Companies

Shanahan Engineering Questions

The Shanahan Engineering annual revenue was $495.2 million in 2026.

James Greaney is the Chief Executive Officer and Managing Director of Shanahan Engineering.

233 people are employed at Shanahan Engineering.

Shanahan Engineering is based in Dun Laoghaire, Leinster.

The NAICS codes for Shanahan Engineering are [237990, 23799, 541, 2379, 237, 23, 54].

The SIC codes for Shanahan Engineering are [162, 16].

Top Shanahan Engineering Employees

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