Hannah Ambrose

Partner

Hannah is a Partner and Solicitor Advocate in the international arbitration and public international law group. 

Hannah advises clients globally on complex issues relating to both commercial and investment arbitration, enforcement of awards and judgments, public international law and strategic dispute resolution.

Hannah has acted as counsel in ad hoc commercial arbitrations and proceedings under the auspices of major arbitral institutions, including the ICC, LCIA, and SCC. She has acted as counsel for both investors and States on a number of investment treaty claims under the ICSID and UNCITRAL Rules and advises clients on investment structuring. She also has experience in advising on a range of other public international law matters, including territorial and maritime boundaries, law of the sea, international environmental law, treaty negotiation, and immunities. She works across a number of sectors, including energy, mining, pharma/life sciences and financial institutions and banks.

Hannah is listed as a Next Generation Partner in the International Arbitration and Public International Law categories in Legal 500 UK and is ranked in the International Arbitration and Public International Law categories in Chambers UK 2026.

Hannah is a Member of the City of London Law Society Arbitration Committee and a Practice Fellow at the British Institute of International and Comparative Law.