Efficiency at Sea – Five decades of experience and innovation

Owner, Johannes Østensjø established Østensjø Rederi in 1974. Thanks to his passion for innovation and vessel design, along with his dedication to move forward, the company has provided high-quality maritime services to clients worldwide. Our clients benefit daily from our innovative-, sustainable- and cost-effective solutions.

Our modern vessels along with our experienced and service-minded employees have put our company at the forefront of the maritime industry for over 45 years.

Business areas
Where are we

Our Vision

Østensjø Rederi will be a leading, innovative and environmental friendly supplier of high-quality maritime services. We will provide a satisfactory return on invested capital, and be a preferred employer.

Our values

Our values are the essence of Østensjø Rederi’s identity and they express the ideals we strive to live up to every day. Our values help us set direction and guide our decisions, actions and the way we interact with others.

We actively seek new opportunities and solutions in regard to vessel design, collaborate partners, business areas, vessel operations, the environment, and safety related issues.

We are open to new ideas and encourage all our employees to share their ideas and suggestions to further improve our services.

We have the courage to innovate and to try new things. Success might be found in the unknown and yet to be discovered.

We care about each other, our trainees, our investors, our clients, and the environment.

Our employees make us great

Our employees are our most valued assets. They share their competence daily and work hard to provide excellent service to our clients. Our modern vessels are the crew`s tools in making client operations go smoothly, safely and efficiently. Focus on health, safety, and the environment is of great importance to everyone in our company. We incorporate HSE with the highest level of quality in everything we do, from vessel design to everyday operations. Safety is always our number one priority.


Zero Harm

We strive, not only to be a recognized industry leader within maritime operations but also in safety, security and sustainability. Our vision is zero harm to people, the environment, and assets. We focus on preventing personal injuries, work-related illness, and major accidents. Our zero vision has become part of how we think and work, with a strong focus on continuous improvement.



Quality / Certifications

Our safety management system is ISM certified by several flag states.

We hold the following certifications:

  • ISO 9001:2015
  • ISO 14001:2015
  • ISO 45001:2018
  • ISPS

In addition, we hold accreditations within OCIMF OVMSA, Magnet JQS, Achilles Utilities NCE, Achilles Oil and Gas Europe and SEQual.


We innovate – we improve – we set standards

We continuously invest in people, our fleet and new technologies. Østensjø Rederi is an innovative and industry-leading company, always striving to be two steps ahead. Our focus is to make our vessels safer, greener and more efficient. As well as serving the market with industry-leading technology, we always work towards providing our clients with the best services. Our dedication has resulted in us being the first to introduce solutions that today are considered industry standard.

Transparency Act