We are Mareal, shaping offshore engineering for a sustainable future

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Delivering Solutions

Innovation in Offshore Engineering

Mareal brings unparalleled expertise in offshore engineering, supported by a comprehensive approach that addresses every stage of a project. From feasibility studies to execution engineering and construction plans, we ensure seamless integration of construction and installation constraints. Our commitment lies in coordinating all project interfaces to deliver solutions that meet productivity and budgetary objectives.

Preliminary and Detailed Designs

Conceptual studies
Feasibility studies
Basic engineering

Execution Engineering

Foundation sizing
Cost estimation
Construction plans
Certification plans

Project Management Assistance

Expert analysis
Inspections

Collaborating Globally

A Multicultural Team

At Mareal, we believe that diversity fuels innovation. Our 25 professionals, drawn from five different nationalities, bring a wealth of perspectives and expertise to every project. This multicultural environment enables us to craft unique, tailored solutions that meet the dynamic needs of our clients.

  • L’Haÿ-les-Roses serves as the hub for our engineering and operational management, ensuring seamless project coordination.
  • Nantes focuses on driving innovation in renewable energy, positioning Mareal as a leader in this growing sector.

Through collaboration and a shared commitment to excellence, our teams transform complex challenges into actionable, impactful solutions for our clients worldwide.

About us

The Mareal team at L’Haÿ-les-Roses: dedicated to offshore engineering and structural innovation.

Harnessing the Wind

Empowering Energy Solutions for a Sustainable Future

Creating Impact

Fostering Excellence in Offshore Energy

Mareal is more than a service provider; we are a partner dedicated to driving success and creating lasting value for our clients. Our work is guided by a steadfast commitment to quality, safety, and environmental stewardship. Whether we are engineering offshore solutions or pioneering renewable energy projects, we remain focused on delivering outcomes that resonate with our clients’ goals and the industry’s evolving demands.

As a trusted partner, we prioritize open communication, integrity, and long-term relationships. Together, we strive to shape the future of offshore operations, balancing cutting-edge innovation with a deep respect for the environment and the communities we serve.

About us
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)
+33 1 47 40 31 61
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