Signature Litigation LLP

Hermes Marangos

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Practice Areas

Hermes is a leading international disputes lawyer with over 25 years’ experience representing major organisations and entities on complex matters, including international (re)insurance and underlying commercial litigation, particularly in Latin America, the Mediterranean basin, MENA, West Africa and Asia. He has led teams handling major litigation relating to investor disputes, financial institutions, liability, construction, engineering and energy. Hermes also has extensive experience in anti-corruption and anti-bribery disputes, and regularly advises clients on regulatory and corporate matters. Furthermore, Hermes acts as a consultant to international organisations such as the UN, UNICEF and other NGOs in relation to issues involving children’s and minority rights, as well as war crimes and terrorism issues.

Professional Memberships

Vice President of the Insurance Institute of London; Member of the IBA; Member of the Brazilian Chamber of Commerce; Member of the Brazil Canada Arbitration Chamber; Member of the Oil, Petrochemical and Energy Risks Association; Member of the Chilean Chamber for Construction.


Called to the Bar 1985; Middle Temple; Clifford Chance; Clyde & Co; Partner DAC Beachcroft LLP 2008; Partner Signature Litigation 2014


Hermes is co-author of the leading textbook on reinsurance law and "War Risks and Terrorism", and is a contributor to textbooks on conflicts of law, property risks and mass torts. Hermes has also contributed to the “Getting the Deal Through: Insurance Litigation 2018” Guide. He also regularly writes on issues relating to cyber-attacks.


Fluent in English, Spanish, Portuguese, French, German, Italian, Greek.