What Shanahan Engineering does

Shanahan Engineering is an Ireland-domiciled, privately held specialist energy services company founded in 1979, operating as a subsidiary of EthosEnergy (a Wood Group and Siemens joint venture). The company delivers construction, commissioning, technical field support, manpower supply, and consultancy services for power generation projects globally, with offices in Ireland, the United States, South Africa, Saudi Arabia, and Turkey, and a delivery footprint spanning 72 countries and 6 continents across more than 380 projects over 44 years.

Its core offerings comprise an integrated suite of project lifecycle services: EPCM (Engineering, Procurement, Construction Management), Construction Management, Owner's Engineer, and Commissioning Services, supported by Consultancy and Manpower Supply lines that draw on a database of more than 30,000 multi-skilled personnel and a proprietary library of over 1,200 documented procedures, including a toll-gated Knowledge-Based Commissioning Program. The company holds ISO 9001:2015, ISO 14001:2015, and ISO 45001:2018 certifications and has accumulated safety milestones such as 33 million LTI-free man-hours at the PP14 Power Project in Saudi Arabia.

Shanahan generates revenue exclusively through project-based professional services contracts with global power generation owners, EPC contractors, and major OEMs (including Mitsubishi, Hitachi, Alstom, Eskom, SEPCO, Hanwha, Hyundai, Saudi Electricity Company, and Dorad Energy). Commercial structures include a Target Price Model with KPI-linked bonuses and penalties, and a Time and Materials model, typically spanning multi-year durations. Distribution is entirely direct enterprise field sales from regional offices, with no indirect channels or marketplace presence.

Name

Shanahan Engineering

Legal name

Shanahan Engineering Limited

Website

https://shanahanengineering.com

Company type

Private

Founded year

1979

Operating status

Operating

Headcount range

501–1,000 employees

Short description

Shanahan Engineering is a Dublin-based, privately held subsidiary of EthosEnergy providing EPCM, construction management, commissioning, consultancy, and manpower supply services to power generation owners, EPC contractors, and OEMs across 72 countries.

Ownership category

akta.pro rank

Headquarters

HQ city

Dún Laoghaire

HQ country

Ireland

HQ region

Europe

Offices6 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Supply Chain, Marketing or Sales, Infrastructure

Revenue model

1. Project Management Services: EPCM (Engineering, Procurement, Construction Management), Construction Management, Owner's Engineer, and Commissioning services provided to power plant projects globally. Revenue is earned through project-based contracts with commercial structures including Target Price Model (shared risk with bonus/penalty KPIs) and Time and Materials compensation.
2. Consultancy Services: Bespoke consultancy services including project analysis and assessment, technical documentation, training services, and commercial & claims analysis. Delivered by experienced team drawing on four decades of cross-industry experience.
3. Manpower Supply: Supply of skilled personnel including site managers, project managers, specialists, and craft workers from a database of over 30,000 multi-skilled personnel. Personnel are matched to roles and undergo pre/post assignment competency reviews.

Pricing tiers

Go-to-market motion2 records

Distribution channels1 record

Marketing channels5 records

Core offering

Shanahan Engineering provides end-to-end power plant construction management, commissioning, owner's engineer, EPCM, technical field support, consultancy, and skilled manpower supply services to power generation owners, EPC contractors, and OEMs worldwide. Its service portfolio spans FEED through commercial operations across CCGT, OCGT, coal-fired, biomass, and CHP plants, delivered by a permanent team plus a database of 30,000+ deployable specialists using a library of 1,200+ proprietary procedures.

Product overview

Shanahan Engineering is a power generation services company offering an integrated suite of project management, construction, commissioning, and consultancy services for power plants globally. The core service portfolio consists of: EPCM (Engineering Procurement Construction Management), Construction Management, Owner's Engineer Services, and Commissioning Services as the primary project delivery offerings, supported by Consultancy Services for specialized expertise and Manpower Supply for accessing over 30,000 skilled personnel. The company operates as a unified services platform rather than discrete product modules, providing end-to-end capabilities from initial planning through commissioning and operations support.

Differentiator

Problem solved

Functional benefit

Products and services

• Engineering Procurement Construction Management (EPCM) Multi-lot project delivery service allowing clients to maintain control of supply chain and equipment selection while Shanahan coordinates FEED, design, procurement, construction, and commissioning for power generation projects.
• Construction Management Turnkey construction management services including principal contractor or erection contractor roles, quality and HSE management systems, and construction-to-commissioning turnover processes for power plant projects.
• Owner's Engineer Services Independent engineering oversight service providing design review, project management, commissioning support, and compliance verification throughout the plant construction lifecycle.
• Commissioning Services Full power plant commissioning services including integrated turn-key commissioning, chemical clean and steam-blow, performance testing, and initial plant operation support.
• Consultancy Services Bespoke consultancy services for power generation projects, including project analysis and assessment, technical documentation, training services, and commercial and claims analysis, delivered by senior practitioners with decades of cross-industry experience.
• Manpower Supply Skilled personnel supply service providing access to a database of over 30,000 multi-skilled personnel — including site managers, engineers, specialists, and craft workers — for power plant construction, commissioning, and maintenance projects worldwide.

Quantifiable outcome

• 380 power generation projects successfully delivered worldwide
• +8 more outcomes

Named customers17 records

Segments4 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

16 partnerships are on record, tiered major, minor and core.

• Energy Services LLC (Mitsubishi Power Americas)majorStrategic or Co-development Partner · 1 January 2020In October 2020, Shanahan Engineering was awarded a multi-million dollar Construction Management Services contract by Energy Services LLC for work at the 396-megawatt Zomet Energy OCGT project in Israel. Scope includes full construction management: pre-planning, health and safety, QA/QC, reporting, subcontractor placement, site clearance, civil works, commissioning, permitting, and material control. Energy Services LLC is a group company of Mitsubishi Power Americas.
• SEPCO-2 (Shandong Electric Power Construction Group Saudi Arabia LLC)majorStrategic or Co-development Partner · 1 January 2018In September 2018, Shanahan Engineering was awarded a commissioning services contract by SEPCO-2 for the Jazan Integrated Gasification Combined Cycle (JIGCC) Power Block project in Saudi Arabia. The contract includes commissioning management team and Shanahan's commissioning management program to test and commission the JIGCC plant. SEPCO-2 (affiliated with POWERCHINA Nuclear Engineering Company Limited) is the EPC contractor for the project.
• Tecnicas ReunidasmajorStrategic or Co-development Partner · 1 January 2018In May 2018, Shanahan Engineering was awarded a multi-million pound contract by Tecnicas Reunidas for the erection of the Air Cooled Condenser at the Teesside biomass plant in Middlesbrough, UK. At 299MW, this was to be the largest purpose-built dedicated biomass plant in the world when completed. Tecnicas Reunidas is one of the main international engineering and construction companies in oil and gas, petrochemical and power generation sectors.
• GNPowermajorStrategic or Co-development Partner · 1 January 2018Awarded a Performance Management Services contract by GNPower for the 552MW (net) Kauswagan Coal-Fired Power Project in the Philippines in December 2018. Shanahan works closely with both GNPower (Owner) and Chinese EPC Contractor Shanghai Electric Power Construction Co. Ltd to ensure key milestones for all four 138MW units were achieved.
• Saudi Electricity Company (SEC)majorStrategic or Co-development Partner · 1 January 2018Ongoing partnership with Saudi Electricity Company for commissioning of PP13 and PP14 combined 3,600MW CCGT in Riyadh, Saudi Arabia. Shanahan was awarded the SEC 5 STAR SAFETY Award for 33 million safe manhours without LTI at PP14.
• SEPCO Electric Power Construction CorporationmajorStrategic or Co-development Partner · 1 January 2017Awarded a contract by SEPCO Electric Power Construction Corporation for the production of the Operations & Maintenance Manual for the Jazan Integrated Gasification Combined Cycle Project in Saudi Arabia. Works were completed from Shanahan's head office in Dublin adhering to SAUDI ARAMCO standards. This represented the start of a new business relationship with a large prominent Chinese Construction Business.
• Hanwha Engineering & Construction (HENC)majorStrategic or Co-development Partner · 1 January 2017Awarded a multi-million dollar commissioning services contract by Hanwha Engineering & Construction for the start-up of Yanbu Phase II power project in Saudi Arabia. Shanahan successfully achieved first firing of the auxiliary boiler and initial synchronization milestones for this 690MW power and desalination project.
• Kum ShingminorStrategic or Co-development Partner · 1 January 2017Established a new relationship with Kum Shing, a Hong Kong-based contractor. A commemorative plaque was exchanged marking the beginning of the relationship between Kum Shing and Shanahan Engineering for potential collaboration on power generation projects.
• CAPCO (China Adventisty Mutual Protection Association)minorStrategic or Co-development Partner · 1 January 2017Shanahan Engineering signed an MOU to work with an established contractor in Hong Kong to bid for the E&M contract for CAPCO's 550MW CCGT expansion project.
• HyundaimajorStrategic or Co-development Partner · 1 January 2015Awarded a contract to provide Operation and Maintenance training services for Hyundai at the Talimarjan Power Station Expansion Project in Uzbekistan (900MW CCGT). Shanahan prepared training manuals in Russian at their head office in Dublin and provided classroom training on site from October 2015.
• EthosEnergycoreStrategic or Co-development Partner · 1 January 2014EthosEnergy is the parent company of Shanahan Engineering. In 2014, Wood and Siemens created a joint venture and acquired EthosEnergy, making Shanahan a subsidiary. In 2022, Shanahan Engineering revealed refreshed branding to align with the parent company EthosEnergy. EthosEnergy is headquartered in Aberdeen, Scotland with registered office at EthosEnergy, Kirkhill Drive, Dyce, Aberdeen, Scotland AB21 0EU. Shanahan Engineering is part of EthosEnergy Group of companies.
• Medupi Power Station (Eskom)majorStrategic or Co-development Partner · 1 January 2014Shanahan Engineering was brought in to kick-start the construction of boiler six at Medupi Power Station in South Africa. Medupi is the world's largest dry-cooled, coal-fired power station (4,800 MW from 6x800MW boilers). Shanahan completed the coal conveyor link bridge installation between boiler units 4 and 5 - 5 weeks ahead of schedule.
• Rotek (Eskom Maintenance Arm)majorStrategic or Co-development Partner · 1 January 2012Since late 2012, Shanahan Engineering's maintenance solutions division has supplied turbine supervisors, senior supervisors, and turbine artisans to various Eskom power stations across South Africa including Camden, Lethabo, Kendal, Matimba, Kriel, Duvha and Komati. Mobilized over 70 supervisors and fitters with 96% test pass rate through Shanahan's pre-Rotek training centre in Johannesburg.
• METKA / Power ProjectsmajorStrategic or Co-development Partner · 1 January 2011Engaged by METKA/Power Projects to provide professional HSE expertise at the Denizli CCPP power project in Turkey. Previously worked with METKA in Romania where Shanahan performed an HSE audit. The project achieved 5 million safe man-hours - a milestone never before achieved in Turkey. RWE subsequently presented several awards to the METKA/Power Projects HSE department.
• RWEmajorStrategic or Co-development Partner · 1 January 2011Ultimate project owner of the Denizli Power Project in Turkey (joint venture with TURCAS). The Denizli CCGT power plant achieved over 55% efficiency rate and 5 million LTI-free man-hours under Shanahan Engineering's HSE management. RWE presented several HSE awards to METKA for this achievement.
• Wood Group GTScoreStrategic or Co-development Partner · 1 January 2010In November 2010, Wood Group GTS was awarded a $875m EPC contract from Dorad Energy to build an 800MW natural gas fired combined-cycle power plant in the Middle East. Shanahan Engineering, as a division of John Wood Group PLC, had full management responsibility for the combined-cycle plant from civil construction through commissioning and handover.

Scale indicators14 records

Recent moves9 records

Expansion highlights5 records

Direct peers

• Worley: Worley is a global engineering and project delivery firm with a substantial power generation services practice covering EPCM, construction management, and commissioning — directly comparable to Shanahan's core service portfolio and customer base of utilities, OEMs, and IPPs.
• Bechtel: Bechtel is one of the world's largest EPC contractors with a dedicated Power business delivering combined-cycle, coal, and nuclear plant construction and commissioning globally — directly overlapping Shanahan's EPCM and commissioning services for thermal power projects.
• Sargent & Lundy: Sargent & Lundy is a specialist power plant engineering firm providing owner's engineer, EPCM, and commissioning services for thermal generation — closely aligned with Shanahan's Owner's Engineer and construction management offerings to utilities and IPPs.
• Black & Veatch: Black & Veatch delivers engineering, procurement, construction, and commissioning services for power generation including CCGT, OCGT, and biomass plants — comparable to Shanahan's full-lifecycle project delivery model for utility and EPC clients.
• Burns & McDonnell: Burns & McDonnell provides EPC, construction management, and commissioning services for power plants globally, serving a similar mix of utilities, developers, and OEMs as Shanahan.
• Fluor Corporation: Fluor is a major global EPC contractor with significant power generation capabilities including combined-cycle, simple-cycle, and IGCC projects — competing with Shanahan for large-scale thermal plant construction and commissioning work.
• Kiewit Power Constructors: Kiewit Power Constructors specializes in EPC delivery of power generation facilities including boilers, turbines, and balance-of-plant construction — overlapping directly with Shanahan's construction management and erection contractor services for thermal plants.
• Babcock Power (Babcock & Wilcox): Babcock Power provides engineering, construction, and aftermarket services for thermal power generation including boilers, environmental systems, and commissioning — comparable in scope to Shanahan's power plant construction and commissioning services.

Broad incumbents

• Siemens Energy: Siemens Energy is a major OEM with global service, construction, and commissioning capabilities for gas, steam, and grid technologies. As a 50% parent of EthosEnergy, it both enables and competes with Shanahan, particularly on OEM-led EPC scopes where internal service arms displace third-party specialists.
• GE Vernova: GE Vernova (formerly GE Power) provides turbines, plant services, and increasingly integrated construction/commissioning for thermal power, making it a broad incumbent whose service expansion directly competes with Shanahan's commissioning and construction management niche.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/ShanahanEngineering/?ref=hl
• LinkedInlinkedin.com/company/shanahan-engineering
• Xx.com/shanahaneng

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles10 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Shanahan Engineering