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.
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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].