
ABOUT US
The beauty and mystery of the ocean, fills our lives with wonders, vast beyond our imagination.
[M. L. Borges, By The Sea]
OUR STORY
De Maas serves the international offshore renewable, oil & gas and aquaculture industry. Through engineering, project management and on-site surveillance we safeguard delivery of your project on time and as per safety and quality standards set.
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De Maas expertise lies ensuring delivery of complex offshore projects from Asia to customers worldwide.
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De Maas was established in 2006 and is privately held by its founders Mark van Leeuwen and Philip Schreven.

"We must plant the sea and herd its animals, using the sea as farmers instead of hunters. That is what civilization is all about."
[Jacques-Yves Cousteau, 1971]
MEET THE TEAM
POA consists of a multi-disciplined, multi-national group of people.
OUR PARTNERS
Over the past 5 years POA has developed various relationships with professional institutions and suppliers. Together with these partners the challenges that lay ahead will be managed and overcome.




ABS CERTIFICATION
All engineering is verified and approved by independent ABS (Houston and Shanghai office) – following international offshore (Oil and Gas) standards for:
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Global strength analysis for site-specific loading conditions
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Global yielding
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Global buckling
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Global fatigue analysis
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Local strength and fatigue analysis for critical structural areas
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Column shell and sleeve structure contact analysis for maintenance condition
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Full motion analysis including vortex-induced motion evaluation
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Mooring analysis
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Wind heel moments, intact and stability analysis

ABS Certification of the offshore unit:
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Meets Regulatory Agency and Insurers' requirements with respect to design, materials, construction, installation and lifecycle fitness for service
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Meets financial institution’s requirements
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Meets Insurance Company’s requirements
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Maintains resale value of the unit