International Law · Law of the Sea · Blue Economy

Equal to the moment. · Equal to the stakes.

Senior advisory on international public law, the law of the sea, ocean governance, and the blue economy — for states, institutions, and organisations operating at the frontier of global maritime affairs.

UNCLOS
Constitution of the Oceans
BBNJ
High Seas Treaty — 2023
60+
Jurisdictions advised
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Counsel equal to the complexity of the world.
2026
Year of establishment
4
Core practice areas
Practice Areas

Where we advise

01

International Public Law

Advisory on treaty interpretation, customary international law, jurisdictional disputes, and compliance with international legal obligations. We counsel governments, multilateral bodies, and private actors navigating complex international legal environments.

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02

Law of the Sea

Strategic counsel to heads of state and government, senior officials, and institutions on maritime boundary delimitation, UNCLOS obligations, navigational rights, and the evolving legal framework governing ocean spaces. We draw on deep experience of the international maritime legal order.

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03

Ocean Governance

Assessment and counsel on the governance of ocean resources, marine protected areas, the BBNJ Agreement, and the institutional architecture of international ocean management. We provide scenario analysis and strategic guidance for leadership teams making consequential decisions on ocean policy.

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04

The Blue Economy

Advisory on the sustainable economic use of ocean resources — fisheries, offshore energy, deep-sea mining, maritime transport, and coastal development. We counsel on the regulatory and legal frameworks governing blue economy activities and the intersection of economic development with international ocean law.

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05

Dispute Resolution & Arbitration

Expert support in international dispute resolution, including preparation for proceedings before international courts, arbitral tribunals, ITLOS, and other judicial mechanisms. We advise on strategy, evidence, and engagement with dispute bodies in matters concerning the law of the sea and public international law.

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06

Bilateral & Multilateral Relationships

Advisory on bilateral and multilateral relationships, diplomatic strategy, and engagement within international forums. We assist clients in navigating coalition-building, treaty negotiations, and high-stakes governmental interactions at ministerial level and above in matters relating to international law and ocean affairs.

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How we work

An exacting standard
at every stage

I

Understand

We begin by listening. A deep understanding of your situation, objectives, constraints, and the political and legal environment in which you operate is the foundation of all advice we give.

II

Analyse

Rigorous analysis of the legal, geopolitical, and institutional landscape. We deploy direct experience at the highest levels of international law and maritime affairs with precision and depth.

III

Advise

Clear, direct, and actionable counsel. We do not hedge. Our advice identifies the path most likely to achieve your objectives and sets out the risks of each available course with honesty.

IV

Accompany

We remain present through implementation. Strategic advice has no value if it cannot be sustained through the complexity of execution. We stand alongside clients through every stage.

Sectors

Who we serve

Our clients operate where international law and national interest intersect with the ocean — in spaces of complexity, consequence, and competition. We are trusted by those for whom the stakes do not allow for error.

01 States & Governments Ministries · Heads of State and Government
02 International Organisations UN System · IMO · Regional Bodies
03 Multilateral Financial Institutions Development Banks · IMF · World Bank
04 Global Corporations & Conglomerates Board · C-Suite · General Counsel
05 Sovereign Wealth & Investment Funds Institutional Investors · Blue Finance
06 Foundations & Philanthropic Bodies Ocean-Focused Foundations · Endowments
07 Academic & Research Institutions Universities · Think Tanks · Policy Institutes
Our People

Advisers of uncommon depth

Ordinem International brings together advisers whose careers have been shaped at the highest levels of international law, ocean governance, and maritime affairs.

Our model is deliberately compact. We do not deploy large teams. We deploy the right expertise — directly, without intermediary — to the clients and matters that require it most.

The seniority of our counsel is not incidental. It is the offering.
International Legal Practice

Experience at international courts, treaty bodies, and intergovernmental organisations at the frontier of public international law and the law of the sea.

Ocean Governance & Policy

Direct engagement with the institutional architecture of ocean governance — UNCLOS, IMO, ISA, the BBNJ process, and regional ocean bodies — at the most senior levels.

Blue Economy Advisory

Practical understanding of the legal and regulatory landscape for sustainable ocean industries — from fisheries and offshore energy to deep-sea resource management and maritime finance.

Ordinem International operates with full discretion. We do not publicise client relationships or adviser identities without explicit consent. Our clients engage us precisely because we maintain the highest standards of confidentiality in every matter we handle.

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Insights

Thinking on
the world's oceans

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Contact

Begin a confidential
conversation

All enquiries are treated with the strictest confidence. We respond to every serious enquiry within 24 hours. Initial consultations are conducted by a senior adviser.

General Enquiries [email protected]
Address New York, USA Castries, Saint Lucia