SSI members span the entire shipping ecosystem – from shipowners, to ports, financial institutions and NGOs. We are a close-knit group united by our commitment to advancing sustainability in shipping through cross sectoral collaboration. To find out more about becoming an SSI member, keep reading or send us an email at

Membership is welcomed from all sectors of the shipping industry, including:

Shipowners, operators and charterers
Shipbuilding, repair and recycling yards
Financial stakeholders
Cargo owners and OEMs
Classification societies
Ports and port operators
Academic and research institutions

Become a member

If you believe that shipping has a role to play in a more sustainable world, environmentally, economically and socially, join the SSI as we:

  • Define and demonstrate sustainable shipping leadership by shining a light on what is possible and shape a positive industry narrative
  • Deepen our understanding of barriers and challenges, driving discussion, debate and action to accelerate progress on our sustainability journey
  • Place the challenges shipping faces in the context of the global sustainability and climate action agendas
  • Harness the potential and power of partnerships, increasing our collective impact across and beyond shipping
  • Influence industry policymakers, regulators and stakeholders and promote innovation, investment and incentives for sustainably shipping

You and your organisation will play a key role in promoting the understanding of, and engagement in, strategic sustainability opportunities and accomplishing the milestones outlined in the Roadmap to a Sustainable Shipping Industry.

SSI members engaging in a discussion.

Request a membership pack

Becoming a member of SSI offers you and your organisation:

  • Access to industry and sustainability leaders spanning the shipping value chain, in a safe space for close collaboration and networking
  • An enhanced reputation as an industry leader and affiliation with a high-profile global initiative
  • A deep and longer-term understanding of future risks and opportunities
  • Interaction with key sustainability and environmental non-profits bringing both technical and sustainability expertise to the SSI membership
  • Opportunities to raise issues, shape action and collaborate with peers to solve complex problems through SSI working group participation
  • Opportunities to actively steer the future direction of the maritime industry and its response to the sustainability challenges ahead

Download the membership pack comprising full SSI membership terms below:

Membership pack

If interested and would like more information, email