As a reputable organization INSB Class Society is dedicated to conducting all of its operations in a safe, responsible, impartial and ethical way, thus being regarded as a highly reliable, competent and trustworthy provider within the maritime industry.

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.

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.

Ethics & Norms

We are dedicated to perform our operations in a responsible, independent and transparent context, in compliance with the international marine related standards.


We deliver ship classification and marine certification services under an independently audited and certified quality system which complies with ISO 9001 & 17020 standards.

Expert Advice

We provide to the marine industry objective advice, technical assistance and impartial guidance for the fulfillment of safety and security related compliance.


We welcome applications for joining our professionals and become part of our dynamic team force and corporate culture that values expertise and promotes career development.

Mission & Vision

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


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


INSB Class holds an extended number of governmental authorizations to act on their behalf for Statutory survey, audits and certification.


Our people have an understanding of your service expectations and what you anticipate from a reliable maritime partner.

CSR Initiatives

INSB Class has embedded and applies principles of Corporate Social Responsibility across its divisions and people, harmonized with the INSB Code of Ethics & Business conduct.

Our Customer Care

We remain focused to act in high responsiveness and dependability to address the individual and collective needs of our clients and public at large, internationally.

Our Process

Fleet Safety

We appreciate that operating safety and reliability of your fleet are vital to your everyday marine commitments.

INSB's loyalty to operational safety is eminent as we work to identify & manage potential risks to achieve improved ship safety and compliance throughout vessels demanding lifecycle.

Trusted & Recognized

Our activities are supported by the expertise and resources developed over almost 4 decades in offering survey & classification services via highly trained surveyors, auditors and experts who apply their decisive experience and knowledge for improving ship safety standards and creation of sound operational reliability and endurance.

Our Responsiveness

We respect tight shipping schedules and by being available 24/7 we focus on our high responsiveness and technical expertise that can make a difference to you and your classed fleet.

Fleet Optimization

We are conscious for operationally sound vessels that perform best in an uninterrupted manner. Thus, we strive for vessels continued technical integrity and fleet optimization by means of regular ship survey program and technical assessments.


We have found INSB Class to be one of the better Non-IACS organizations .

John W. Grenville-Goble

Navigators P&I (UK )

I would like to express the thanks of JFIH and its parent SHAIRCO for the excellent work undertaken and continued by INSB Class.

Paul Durrant

CEO-Dar Al Mal (UAE)

We thank you for working very detailed, fast and effective with surveys on board, in a short notice. We feel that work done by INSB will secure the professionalism in our future operations.

Rune Eide

Eide Bygg & Anlegg AS (NORWAY)

We thank you for working very detailed, fast and effective with surveys on board, in a short notice. We feel that work done by INSB will secure the professionalism in our future operations.