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We are Mareal, shaping offshore engineering for a sustainable future

Sustainable
Offshore Structures
for Tomorrow
Sustainable Offshore Structures
for Tomorrow
DISCOVER OUR SOLUTIONS DISCOVER OUR SOLUTIONS

OIL & GAS SOLUTIONS

Delivering advanced engineering and innovative solutions for offshore structures. From offshore structures installation to in-place condition assessments, Mareal ensures safety and efficiency at every stage.

OFFSHORE STRUCTURAL ANALYSIS

Specializing in offshore structural analysis with industry-leading tools like Bentley SACS. Mareal supports complex offshore projects with precision and reliability.

RENEWABLE ENERGY & SUSTAINABILITY

Supporting offshore wind and floating projects with sustainable engineering. Mareal also develops offshore substation (OSS) solutions and contributed to the Saint-Nazaire monopile design, as a reference project.

Mareal
X-Shaped Concrete Floater

XCF: Shaping the Future of Offshore Wind

Discover XCF, a modular, scalable floating structure designed to support next-generation offshore wind turbines. Combining innovation, safety, and sustainability, it redefines possibilities for renewable energy.

Learn more
DESIGNING SUSTAINABLE OFFSHORE FUTURES

Driving Innovationin Offshore Solutions

From concept to completion, Mareal leads the way in offshore engineering with a commitment to innovation, reliability, and sustainability. Our expertise empowers clients to build a more sustainable energy future through tailored solutions and cutting-edge technologies.

Our Vision
Mareal
At Mareal, our unwavering commitment is to engineer solutions that not only meet the challenges of today's offshore industry but also contribute to a sustainable energy future. We strive for excellence and innovation in everything we do.
Alexis Martin
General Manager of Mareal
OUR FEATURES

Excellence in Offshore Engineering

Investing in Tomorrow’s Solution
Mareal develops cutting-edge offshore engineering and renewable energy solutions with a focus on innovation.

Reducing Our Carbon Footprint
Mareal reduces CO₂ emissions through sustainable infrastructures, supporting global energy transition goals.

Global Experience, Tailored Solutions
With decades of expertise, Mareal delivers safe, efficient, and sustainable offshore solutions.

STRATEGY
VISION
MISSION

Delivering Reliable Offshore Solutions

Our strategy is to design and deliver offshore engineering solutions that stand the test of time. From supporting wind turbine foundations to creating innovative floating structures, Mareal ensures that every project meets the highest standards of reliability and sustainability.

Mareal’s expertise is exemplified by projects such as the detailed design of monopile foundations for Saint-Nazaire’s offshore wind farm, ensuring long-term operational efficiency and resilience against harsh marine conditions.

Mareal
Together

Innovating Offshore Energy

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SATISFIED CUSTOMERS

The voices behind our success

Our Peopleand Partners

Mareal
Careers

If you want to grow and excel,you should be working at Mareal

At Mareal, we’re tackling the energy challenges of tomorrow with innovation, sustainability, and precision engineering. Working with us means contributing to impactful solutions that make a real difference for our clients, our industry, and our planet.

It’s a demanding journey, but with passion and determination, we believe anything is possible. Are you ready to join us?

Explore our job opportunities
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Latest news

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mareal-ISO

Mareal is a trusted leader in offshore engineering, delivering innovative and sustainable solutions across the globe. Part of the STAPEM Group, we bring decades of expertise to support energy projects in diverse and challenging environments.

Where to Find Us

62, avenue Larroumès94240 L'Haÿ-les-Roses (France)
1, rue du Guesclin44000 Nantes (France)
contact@mareal.eu
+33 1 47 40 31 61
Get in Touch With Mareal

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