• we have the greek

  • Building Trust. Shaping Safety

  • marine competence


Corporate INSB Class

Who we are

INSB Class is a Greek ship classification society and an impartial third party certification organization with 4 decades of presence in the global maritime domain.

Mission & Vision

Safety for life and property at sea, quality, sustainability and immense responsibility for environmental protection compose the foundation of our corporate mission.

What we do

We perform marine safety surveys & approvals for ship classification, statutory and marine management systems certification, for new builds and fleet in service.


Our agile corporate structure complemented by our marine competence and technical expertise, enables us to perform our activities in a sound and effective manner.

Areas of Expertise

Classification features

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Governmental functions

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Ελληνική Ναυτιλία - Υπηρεσίες


Marine Management Systems

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Marine Offshore Services

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Yachting services

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Other Marine services

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Information on PSC matters

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Customer Support

Our Latest Circulars

Recent Publications


News & Updates

Mar 20

COVID-19 - INSB Class Update

Notice to users of INSB Class services - We are here to support

Feb 27

Authorisation by Vanuatu Ship Registry - VMSL

INSB Class achieves RO/RSO status by the Vanuatu Flag Administration

Quick Links

Our Annual Report 2018 is issued! Read about our past year’s key achievements and our aspirations for 2019.

Ballast Water Management Convention enters into force by 8 September 2017.
Get informed for our dedicated approval, survey and certification services.

Stay informed with latest authorizations delegated to INSB Class for the performance of Statutory functions.

Prepare ahead. Comply timely.
Find out how we can assist towards EU MRV compliance, credibly and affordably.