• Building Trust. Shaping Safety

Customer Support

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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News & Updates

Sep 3

INSB Class | Annual Activity Report 2020

INSB Class Annual Activity Report 2020 is out now!

Sep 2

Authorisation by Sierra Leone (SL MARAD)

INSB Class gets RO status in Sierra Leone (SL MARAD)

Aug 20

INSB Class concludes RO status by MARINA, Philippines

NSB Class has concluded and confirmed its RO status by the Maritime Industry Authority of the Philippines (MARINA).

Apr 1

Authorisation by Libyan Flag State

INSB Class achieves RO status by the LIBYAN Ports & Maritime Transport Authority (LP & MTA)

Quick Links

Our Annual Activity Report 2020 is now published, reflecting key operational results achieved during the past year, our unsettled commitment to ship safety together with our strategic ambitions for year 2021.

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 IHM Ship Recycling, credibly and affordably.