IDOM

What IDOM does

IDOM is a privately-held, multidisciplinary engineering, architecture, and consulting firm founded in 1957 and headquartered in Bilbao, Spain. The firm operates across more than 40 countries with a workforce of 5,001–10,000, delivering projects in data centers, water infrastructure, energy, heavy industry, rail and transit, buildings, and marine energy. Its core offerings span the full project lifecycle — feasibility studies, FEED (Front-End Engineering Design), detailed design, EPCm (Engineering, Procurement, Construction Management) contracts, and construction supervision — provided either directly or through consortia with peer engineering firms such as Técnicas Reunidas, Webuild, Larsen & Toubro, and Alstom.

The company's technology stack centers on BIM-based multidisciplinary coordination, proprietary methodologies in data center design (modular/brick architecture, non-traditional chilled-water free-cooling), and the MARMOK-A-5 oscillating water column wave energy converter deployed at BiMEP. It holds certifications including ISO 27001/27017/27018, Uptime Institute Tier III/IV, LEED Gold, ICREA IV/V, and BREEAM, qualifying it for sensitive public-sector and hyperscale mandates. Pricing is fully bespoke, negotiated per project scope on fixed-fee, time-and-materials, or EPCm terms with multi-year durations. Its customer base spans government and public administration (Royal Commission Riyadh, EIB, EJIE Basque Government, Hospital La Paz), enterprise industrials (ArcelorMittal, Hadeed, REE), and data center operators (AXTEL, FIVE Infinitum), distributed across a project-by-project delivery model with no standardized rate cards or self-serve channels.

Name

IDOM

Legal name

IDOM Consulting, Engineering, Architecture, S.A.U.

Website

https://idom.com

Company type

Private

Founded year

1957

Operating status

Operating

Headcount range

5,001–10,000 employees

Short description

IDOM is a privately-held Spanish multidisciplinary engineering, architecture, and consulting firm operating in 40+ countries with 5,001–10,000 employees, delivering feasibility, FEED, and EPCm services across data centers, water, energy, rail, heavy industry, and buildings.

Ownership category

akta.pro rank

Headquarters

HQ city

Bilbao

HQ country

Spain

HQ region

Europe

Offices37 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Engineering and Architecture Consulting Services: IDOM generates revenue through fee-based consulting, engineering design, and architecture services for infrastructure, buildings, industrial plants, data centers, water systems, and energy projects. Revenue is project-based, typically structured as fixed-fee contracts, time-and-materials mandates, or EPCm (Engineering, Procurement, Construction management) arrangements. Project scales range from feasibility studies and FEED phases to full design and construction supervision.
2. EPCm (Engineering, Procurement, Construction Management) Contracts: Large-scale project delivery contracts where IDOM provides end-to-end engineering, procurement oversight, and construction management, often through consortiums with other firms. Revenue recognized over project execution timelines measured in years, with revenue recognition tied to project milestones.
3. FEED (Front-End Engineering Design) Contracts: Pre-construction engineering design contracts that define project scope, specifications, and cost estimates before final investment decisions. Revenue is milestone-based and serves as a precursor to potential larger EPCm engagements.
4. Data Center Full-Service Engineering and Architecture: Comprehensive consulting, architecture, civil engineering, electrical, HVAC, fire protection, BMS, and project management services for data center construction and expansion projects, covering the full project lifecycle from feasibility through construction supervision.

Pricing tiers

Go-to-market motion3 records

Distribution channels4 records

Marketing channels5 records

Core offering

IDOM is a multidisciplinary consulting, engineering, and architecture firm that delivers professional services across the full project lifecycle—from feasibility studies and FEED through detailed design, EPCm, and construction supervision. The firm serves data center operators, utilities, government bodies, heavy industrial clients, and real estate developers across 40+ countries, with sector practices in data centers, water infrastructure, marine energy, rail and transit, buildings, and industrial plants.

Product overview

IDOM is a multinational consulting, engineering, and architecture firm offering professional services across multiple sectors. The company's portfolio is organized around specialized service areas rather than a unified software product platform. Key offerings include: Data Center Solutions (covering feasibility studies, architecture, engineering, and construction management for hyperscale, modular, and edge data centers globally, including named projects like Mex1 & Mex2 Queretaro, MEX/5, Queretaro II, Cerdanyola del Valles II, Basque Country facility, Edge, Mty 2, ME/8, and REE); MARMOK-A-5 Wave Energy Converter (oscillating water column technology for marine energy generation); Proton Therapy Center Design (healthcare facility engineering); Water Cycle Solutions (desalination, dams, treatment); Smart Mobility and ITS Solutions (traffic systems and control centers); Railway and Transit Systems; and Stadium and Sports Architecture. The Data Center Solutions practice represents a significant focus area, with the company pioneering modular and standardized design approaches and operating data centers on four continents for Tier 1 clients.

Differentiator

Problem solved

Functional benefit

Products and services

• Data Center Engineering Solutions
• MARMOK-A-5 Wave Energy Converter Floating wave energy converter using oscillating water column technology with controllable turbine blades, on-board batteries, and intelligent control systems, deployed for marine energy generation and grid-connected testing.
• Proton Therapy Center Design
• Water Cycle Solutions
• Railway and Transit Systems Engineering Engineering and consulting services for railway infrastructure, metro systems, and urban transit networks, including feasibility studies, design, and consortium-based project delivery.
• Smart Mobility and ITS Solutions
• Stadium and Sports Architecture Architectural design services for stadiums, arenas, and sports facilities, including award-winning projects such as Spotify Camp Nou, New San Mames Stadium, Claro Arena Stadium, and La Romareda Stadium.
• Heavy Industry Decarbonization EPCm EPCm and FEED engineering services for green steel and heavy industry decarbonization projects, including electric arc furnace plants and hydrogen-based steelmaking facilities, delivered often through consortium structures.

Quantifiable outcome

• Steel production with three times less CO2 than traditional blast furnace methods (ArcelorMittal Dunkirk project)
• +6 more outcomes

Named customers9 records

Segments6 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Seven partnerships are on record, tiered core and minor.

• Técnicas ReunidascoreStrategic or Co-development Partner · 19 May 2026IDOM and Técnicas Reunidas formed a 50/50 consortium to deliver an EPCm contract for ArcelorMittal's new Steel Making Plant at its Dunkirk, France facility. The project features a 2-million ton electric arc furnace and ladle furnace, expected to commence operations in 2029, producing steel with three times less CO2 than traditional blast furnace methods.
• EuropeWave ProgrammecoreStrategic or Co-development Partner · 1 May 2026IDOM's MARMOK A-5 wave energy device is being deployed under the EuropeWave programme, a collaborative initiative to advance wave energy toward commercial viability. The program supports the development of upgraded wave energy converters with improved efficiency and faster deployment procedures.
• European Investment Bank (EIB)coreStrategic or Co-development Partner · 21 April 2026EIB, in collaboration with the European Commission and financed by the InvestEU Advisory Hub, launched a technical advisory initiative to accelerate electric mobility across six Spanish cities. IDOM participates as a technical consultancy partner alongside SUEZ, providing expertise to help cities map infrastructure needs, identify investment gaps, and design PPP financial frameworks.
• Hadeed (Saudi Iron and Steel Company)coreStrategic or Co-development Partner · 3 February 2026IDOM was awarded the FEED (Front-End Engineering Design) phase contract for Hadeed's Flat Products Expansion Project at existing industrial facilities in Jubail city. The project aims to boost flat steel production capacity while streamlining logistics operations, marking a milestone in Saudi Arabia's steel manufacturing sector.
• Riyadh Metro Red Line Extension Consortium (Webuild, L&T, Nesma & Partners, Alstom)coreStrategic or Co-development Partner · 30 January 2026IDOM is part of a consortium with Webuild, Larsen & Toubro, Nesma & Partners Contracting, and Alstom for the design and turnkey construction of an 8.4-kilometer extension of the Riyadh Metro Red Line, including five new stations. Project involves 1.3 km elevated and 7.1 km underground tunnelling.
• APECO (Aurora Pacific Economic Zone and Freeport Authority)minorStrategic or Co-development Partner · 8 October 2025APECO conducted an investment mission to Spain pursuing potential partnerships with Spanish firms including IDOM. Discussions with IDOM focused on a feasibility study for a 5- to 10-hectare food and cold chain logistics hub, port infrastructure design, and access to potential investors like the Asian Development Bank. Working groups to draft MOUs are planned.
• Inspira STEAMminorOthers · 1 January 2020IDOM participates in Inspira STEAM, a group mentoring program directed at young people, especially girls, to spark interest in scientific and technological disciplines. More than a dozen IDOM professionals have participated as mentors since 2020, reaching more than 1,500 students in the latest academic year. The program aims to break stereotypes and showcase new professional possibilities.

Scale indicators5 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Arcadis: Amsterdam-headquartered global design, engineering, and consulting firm with similar multidisciplinary DNA (buildings, water, mobility, industrial). Closest size, European heritage, and sector mix to IDOM.
• WSP Global: Canadian-headquartered professional services consulting firm in engineering, environment, and buildings/transport, with overlapping data center, water, and rail practices and a global office footprint of comparable breadth.
• Stantec: Canadian engineering, architecture, and environmental consulting firm with parallel mix of buildings, water, energy, and infrastructure work, often competing for the same public and IFI-led tenders.
• Mott MacDonald: UK-headquartered engineering, management, and development consultancy with deep water, transport, energy, and built-environment practices, frequently co-bidding or competing for IFI-funded advisory mandates.
• Arup: Employee-owned UK firm with strong architecture, engineering, and sustainability credentials, especially in stadium/venue design and complex buildings — closely comparable to IDOM's architecture and special-buildings practice.
• Egis: France-based engineering and consulting group with comparable size, sector mix (transport, water, energy, buildings), and EMEA-heavy footprint — strong MENA and Latin America overlap with IDOM.

Broad incumbents

• AECOM: Larger global infrastructure consulting firm with broad sector coverage including water, transport, environment, and buildings, frequently a competitor on consortium-led mega-tenders that IDOM also bids.
• AtkinsRéalis: Global engineering services and project management firm (formerly SNC-Lavalin) with nuclear, infrastructure, and industrial decarbonization practices that overlap IDOM's FEED/EPCm work and rail capabilities.
• Jacobs Solutions: Large US-headquartered professional services firm in critical infrastructure, water, advanced manufacturing, and data centers, regularly bidding on the same hyperscale DC and water mandates IDOM pursues.
• Tetra Tech: US-listed water, environment, and sustainable infrastructure consulting firm with comparable emphasis on water resources and international development projects, especially with IFI clients.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/idom
• Xx.com/idomgroup
• Facebookfacebook.com/202525856455912

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 records

Funding overview

Funding rounds

Investors

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

M&A

Investments1 record

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

Frequently asked questions about IDOM