Etermar
Etermar is a Portuguese marine engineering and construction firm, founded ~1969, with 65+ vessels delivering dredging, port works, offshore foundations, submarine pipelines, cable car systems, and renewable energy marine infrastructure to enterprise and government clients across multiple continents.
- Company typePrivate
- Founded1969
- HeadquartersSetúbal, Portugal
- Headcount501–1,000
- GTM typeB2B
- OfferingServices
What Etermar does
Etermar - Engenharia, S.A. is a Portuguese marine engineering and construction firm founded circa 1968-1969 and headquartered in Setúbal, Portugal. The company delivers a portfolio of specialized maritime infrastructure services: dredging (hard and compact soils, cutter suction dredgers), port works (quay construction, breakwaters), offshore foundations (soil improvement for port structures), polyethylene (PEAD) submarine pipeline installation, cable car system design and construction, civil construction, water resources engineering, renewable energy marine infrastructure, and vessel chartering. Etermar operates a proprietary fleet of 65+ vessels, providing self-sufficient execution capacity that is rare in its segment. The company serves enterprise and government clients across Europe, Africa, South America, and the Caribbean, with a recent active project pipeline spanning Portugal (PSA Sines, BayFloat, Sines data centre), Senegal, Peru, Cape Verde, Dominican Republic, France, Equatorial Guinea, Brazil, Tunisia, Madeira, and Poland.
The business model is project-based and B2B, with Etermar acquiring work through competitive tenders and direct enterprise negotiations with port authorities, energy developers, utilities, and infrastructure operators. Revenue is generated through one-time construction and engineering contracts rather than recurring subscriptions or licensing. Pricing is contract-specific and not publicly disclosed. The company employs 501-1,000 staff and is privately held as a Sociedade Anónima under Portuguese law, with no public listing. Recent activity signals a deliberate pivot into renewable energy and data-centre-adjacent infrastructure under the "Etermar Energia" sub-brand, including a co-developed floating offshore wind prototype (BayFloat) and HVO-powered emergency power modules for a hyperscale data centre campus.
Etermar firmographics
Firmographics- Name
- Etermar
- Legal name
- ETERMAR - Engenharia, S.A.
- Website
- https://etermar.pt
- Company type
- Private
- Founded year
- 1969
- Operating status
- Operating
- Headcount range
- 501–1,000 employees
- Short description
- Etermar is a Portuguese marine engineering and construction firm, founded ~1969, with 65+ vessels delivering dredging, port works, offshore foundations, submarine pipelines, cable car systems, and renewable energy marine infrastructure to enterprise and government clients across multiple continents.
- Ownership category
- akta.pro rank
Etermar industry classification
Industry- Product category
- Marine Engineering Services
- NAICS
- Support Activities for Water Transportation (4883), Other Support Activities for Water Transportation (48839)
- SIC
- Oil & Gas Field Services, Nec (1389), Services-Equipment Rental & Leasing, Nec (7359)
- akta.pro primary industry
- Dredging & Channel Deepening (Capital & Maintenance) (IMAFAJAB)
- akta.pro secondary industries
- Port Rehabilitation, Maintenance & Asset Renewal (Repairs, Strengthening) (IMAFAJAL), Subsea & Nearshore Civil Works (Trenching, Rock Placement, Mattressing) (IMAFAJAI), Marine Electrical Installation, Commissioning & Field Services (IMAJAJAL)
Keywords
Where Etermar is headquartered
LocationHeadquarters
- HQ city
- Setúbal
- HQ country
- Portugal
- HQ region
- Europe
Offices1 record
Markets served
Etermar business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Operations, Supply Chain, Personnel, Infrastructure
Revenue model
- Marine Engineering and Construction Services: Etermar generates revenue through project-based construction and engineering contracts for maritime infrastructure including ports, offshore foundations, dredging, submarine pipelines, and cable car systems. Revenue is earned through one-time project fees for completed work.
Go-to-market motion1 record
Distribution channels1 record
Marketing channels3 records
Etermar product offering
Product offeringCore offering
Etermar is a marine engineering company that provides specialized services in dredging, port works, offshore foundations, submarine pipelines, and cable car construction. Operating a fleet of 65+ vessels, the company delivers coastal and offshore infrastructure projects for public and private clients across multiple countries.
Product overview
Etermar is a Portuguese maritime engineering company with over 55 years of experience offering a comprehensive portfolio of marine engineering services. The company operates as a single unified offering with multiple service lines: Dredging, Port Works, Offshore Foundations, Submarine Pipelines, Cable Car Construction, Construction, Water Resources, Renewable Energy, and Chartering (fleet of 65+ vessels). Recent products include the BayFloat floating offshore wind platform prototype and 14 renewable-fuel emergency power modules for the Sines data centre.
Differentiator
Problem solved
Functional benefit
Products and services
- Dredging Services
- Port Works
- Offshore Foundations
- Submarine Pipelines
- Cable Car Construction
- Construction Services
- Water Resources Projects
- Renewable Energy Infrastructure
- Vessel Chartering
- BayFloat Prototype
- Renewable-Fuel Emergency Power Modules
Companies that use Etermar
Customer profileNamed customers4 records
Segments4 records
Ideal customer profiles3 records
Etermar technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature1 record
Etermar partnerships and signals
Strategic signalPartnerships
Three partnerships are on record, tiered core.
- ØrstedcoreEtermar is supplying 107 external platforms for Ørsted's Baltica-2 offshore wind farm in Poland as part of the project's secondary steel supply chain. This represents a significant supplier relationship for a major offshore wind developer.
- EnergetuscoreEtermar signed a contract with Energetus to construct 14 renewable-fuel emergency power modules for the Sines mega-data centre project. The modules will operate using Hydrotreated Vegetable Oil and are scheduled for completion by mid-2027, increasing the data centre's capacity to 33MW.
- BayWa r.e.coreBayWa r.e. contributed its proprietary 22 MW reinforced concrete semi-submersible floating wind foundation design for the BayFloat prototype project at the Port of Setúbal. The design is certified under DNV floating wind standards. This is a strategic co-development partnership for floating offshore wind technology.
Scale indicators3 records
Recent moves5 records
Expansion highlights5 records
Etermar competitors and assessment
Company assessmentBroad incumbents
- Saipem: Italian offshore engineering and construction major with offshore wind and subsea pipeline capabilities — competes with Etermar in offshore foundations and submarine pipeline installation for energy clients.
- Royal IHC: Dutch marine equipment builder and service provider with shipbuilding, dredging, and offshore capabilities — a broader incumbent adjacent to Etermar's marine engineering and chartering operations.
- Hyundai Engineering & Construction: Korean construction major with offshore and marine infrastructure capabilities including port and offshore wind projects — overlaps with Etermar in marine infrastructure, though operating at substantially larger scale.
- Subsea 7: Global offshore installation contractor serving oil & gas and offshore wind — overlaps with Etermar on offshore wind installation work, though focused on subsea pipelay and SURF rather than dredging and port works.
Direct peers
- DEME: Belgian marine contractor operating across dredging, offshore energy, and marine infrastructure — competing head-to-head with Etermar for offshore wind foundation and port construction contracts in EMEA and beyond.
- Van Oord: Dutch-headquartered global marine contractor with major dredging, port construction, and offshore wind installation capabilities — directly competing with Etermar for international tenders in the same core service lines.
- Boskalis: Royal Boskalis Westminster is a global dredging and marine services contractor with extensive dredging, offshore wind, and port infrastructure operations — a direct peer across Etermar's primary service lines.
- Jan De Nul: Belgian-headquartered dredging, marine construction, and offshore services group with comparable portfolio breadth — competing in the same European and emerging-market tenders as Etermar.
Regional players
- Great Lakes Dredge & Dock: US-listed dredging and marine construction services provider with comparable dredging and port infrastructure capabilities — competing in the same category but primarily serving the Americas coastal market.
- Penta-Ocean Construction: Japanese marine civil engineering and dredging contractor — comparable portfolio of port construction, reclamation, and offshore works, but primarily serving Japan and select Asian markets rather than Etermar's EMEA/LATAM focus.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks7 records
Key highlights7 records
Customer concentration
Etermar social profiles
Digital presenceEtermar financial estimates
Financial estimateRevenue estimate
Valuation estimate
Etermar leadership team
Management profileNumber of profiles
Etermar funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Etermar M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Etermar
What does Etermar do?
Etermar is a marine engineering company that provides specialized services in dredging, port works, offshore foundations, submarine pipelines, and cable car construction. Operating a fleet of 65+ vessels, the company delivers coastal and offshore infrastructure projects for public and private clients across multiple countries.
Is Etermar a public or private company?
Etermar is a private company. It is classified as unknown and is currently operating.
When was Etermar founded?
Etermar was founded in 1969. It employs 501 to 1,000 people.
Where is Etermar based?
Etermar is headquartered in Setúbal, Portugal, in the Europe region.
How does Etermar make money?
One revenue line is on record: marine Engineering and Construction Services.
Who are Etermar's main competitors?
Broad incumbents on record are Saipem, Royal IHC, Hyundai Engineering & Construction and Subsea 7. Direct peers are DEME, Van Oord, Boskalis and Jan De Nul. Regional players are Great Lakes Dredge & Dock and Penta-Ocean Construction.
Does Etermar have an API?
No public API is recorded for Etermar.
What industry is Etermar in?
Etermar's product category is Marine Engineering Services. Its primary akta.pro industry code is IMAFAJAB, Dredging & Channel Deepening (Capital & Maintenance), with a secondary code of IMAFAJAL, Port Rehabilitation, Maintenance & Asset Renewal (Repairs, Strengthening). Its NAICS code is 4883 and its SIC code is 1389.