This article was written by Aparna S Nath, MSc Global Healthcare Management student at Coventry University, and Aurelie Ngoy, UNA Coventry HR Coordinator.

The International Maritime Organization (IMO) is a specialized agency of the United Nations responsible for regulating international shipping. Established in 1948 and operational since 1959, it is headquartered in London, United Kingdom, and remains the only UN agency based in the UK. Originally known as the Inter-Governmental Maritime Consultative Organization (IMCO), it adopted its current name in 1982 to better reflect its global mandate (IMO, 2024).

Purpose and Mandate of the organisation

The IMO operates through a structured governance system consisting of the Assembly, Council, and five main committees: Maritime Safety, Marine Environment Protection, Legal, Technical Cooperation, and Facilitation. The Assembly, comprising all member states, is the highest governing body, while the Council provides executive oversight between sessions (IMO, 2024).

The IMO develops and maintains a comprehensive regulatory framework for international shipping. Its work covers:

• Maritime safety is to prevent accidents, improving ship design, and protecting seafarers.
• Environmental protection is to reduce pollution from ships, including oil spills, waste, and greenhouse gas emissions.
• Maritime security is there to addressing piracy, terrorism, and threats to global shipping routes.
• Legal and technical standards is to ensure ships operate under consistent global rules.
• Facilitation of international trade plays a role in simplifying maritime procedures to keep global supply chains moving.

Through these areas, the IMO ensures that the world’s merchant fleet operates under uniform, internationally agreed standards, rather than a patchwork of national regulations.

As shipping is inherently international, the IMO plays a key role in harmonising standards among member states, reducing regulatory fragmentation and improving global maritime governance (United Nations, 2023).

Key Achievements

The organization has developed several key international conventions that form the foundation of maritime regulation. These include the International Convention for the Safety of Life at Sea (SOLAS), the International Convention for the Prevention of Pollution from Ships (MARPOL), and the Standards of Training, Certification and Watchkeeping for Seafarers (STCW). These instruments are widely adopted and implemented globally, ensuring uniform maritime standards across nations (Raymond, 2021).

Over the decades, the IMO has introduced landmark conventions that have shaped modern maritime governance, including:

• SOLAS (Safety of Life at Sea) is the most important treaty on ship safety.
• MARPOL are the main international convention preventing pollution from ships.
• The ISPS Code is to strengthen maritime security after 9/11.
• Global sulphur limits reduce air pollution from ships.
• Initial GHG Strategy is the first global framework to reduce emissions from international shipping.

These agreements demonstrate the IMO’s central role in balancing economic needs with environmental and safety responsibilities.

IMO and Global Security

Because shipping routes are vulnerable to geopolitical tensions, piracy, and conflict, the IMO also plays a key role in monitoring maritime security risks and coordinating international responses. Its guidance helps protect seafarers, maintain safe navigation, and ensure that global trade continues even during crises.

In recent years, the IMO has increasingly focused on environmental sustainability and climate action, aligning its work with the United Nations Sustainable Development Goals (SDGs), particularly SDG 13 (Climate Action) and SDG 14 (Life Below Water). It also provides technical assistance and capacity-building support to developing countries to help them implement international maritime regulations effectively.

Why does the IMO Organisation matter?

Overall, the IMO plays a vital role in global trade and governance by ensuring that international shipping operates safely, securely, and sustainably across all oceans.

As the world becomes more interconnected, the IMO’s work is essential for:

• Keeping global trade flowing safely
• Protecting marine ecosystems
• Supporting climate action
• Ensuring fair and safe working conditions for seafarers
• Promoting international cooperation on maritime issues

From environmental protection to global security, the IMO remains a cornerstone of international governance and a vital part of the UN system.

References

IMO (2024) About the International Maritime Organization. Available at: https://www.imo.org (Accessed: 19 April 2026).

United Nations (2023) Sustainable Development Goals and Maritime Transport. Available at: https://www.un.org (Accessed: 19 April 2026).

Raymond, J. (2021) International Maritime Law and Regulation. Oxford: Oxford University Press.

More Information

IMO features in world news: https://unacov.uk/imo-features-in-world-news/