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About Us

Founded in 2002 in Hamburg, Germany, O.S. Energy is a family owned company with an extensive track record in most offshore windfarms and projects in throughout both North- and Baltic Seas.

  • Headquarters in Glückstadt, Germany
  • Back offices in Flensburg, Newcastle and Esbjerg
  • Manages and operates eight group owned specialised multipurpose service vessels
  • Certified according to international standards ISO 9001, 14001, 45001, ISM and MLC.
  • Compliant with the latest HQSE standards of all major OWF operators and owners
  • Provision of customised, economical service solutions
  • Inhouse marine and technical engineering team


Company Values

The company values are highly regarded by all employees of O.S. Energy onshore and offshore.

All personnel strive to implement those values in order to bring the best possible service to our clients.


The safety, health and wellbeing of all employees of O.S. Energy is our foremost business consideration. Working as a team to provide a safe work environment is our highest ambition and deeply embedded in everyday culture for all projects.

O.S. Energy is certified according to international standards ISO 9001, 14001, 45001 as well as ISM and MLC.

Everyone in the Company is equally important and no one is stronger than the weakest link.

O.S. Energy continuously invests in the education and training of all personnel.

Delivering efficient and professional results whilst maintaining the highest possible flexibility is our utmost priority.

The offshore environment is changing rapidly and therefore high flexibility of our employees, management and vessels is paramount for success.

Quality is an expression of our goal to offer reliable service solutions.

In all aspects of our operations, onshore and offshore, the focus shall always be on our customers' needs and expectations.

We are not only delevering solutions- we deliver results. O.S. Energy employees are responsive, reliable and committed to the project and customer. We adopt precisely to the requirements of our customers. We feel that the best way to serve our clients is through innovative thinking and constant improvement of our products and services.

O.S. Energy GmbH

Marine Power Solutions
Am Hafen 25
25348 Glückstadt

Phone: +49 (0) 4124 - 609 1801
Mail: infoos-energyde
Web: www.os-energy.de

O.S. Energy (UK) Ltd

33 Bellingham Drive
Newcastle upon Tyne
NE12 9SZ
United Kingdom

Phone: +49 (0) 4124 - 609 1801
Mail: infoos-energyde
Web: www.os-energy.de