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Contact with chambers should be made through the Practice Management Team. They are happy to discuss client requirements and provide further information on such matters as the expertise and experience of individual members, fees, working practices and languages spoken. We have members able to work in French, German, Italian, Spanish, Dutch, Swedish, Greek and Chinese (Mandarin).

Outside working hours, a member of our team is always available to be contacted on matters of an urgent nature. Contact should be made using the Chambers main number or email.

To contact our Singapore office, please contact our BD Director, Asia, Rachel Foxton. Out of office hours calls will automatically be diverted to our clerking team in London.

London

20 Essex Street
London
WC2R 3AL

enquiries@twentyessex.com
t: +44 20 7842 1200

Singapore

28 Maxwell Road
#02-03
Maxwell Chambers Suites
Singapore 069120

singapore@twentyessex.com
t: +65 62257230

Contact

Contact with chambers should be made through the Practice Management Team. They are happy to discuss client requirements and provide further information on such matters as the expertise and experience of individual members, fees, working practices and languages spoken. We have members able to work in French, German, Italian, Spanish, Dutch, Swedish, Greek and Chinese (Mandarin).

Outside working hours, a member of our team is always available to be contacted on matters of an urgent nature. Contact should be made using the Chambers main number or email.

To contact our Singapore office, please contact our BD Director, Asia, Rachel Foxton. Out of office hours calls will automatically be diverted to our clerking team in London.

London

20 Essex Street
London
WC2R 3AL

enquiries@twentyessex.com
t: +44 20 7842 1200

Singapore

28 Maxwell Road
#02-03
Maxwell Chambers Suites
Singapore 069120

singapore@twentyessex.com
t: +65 62257230

Guglielmo Verdirame QC

Guglielmo Verdirame QC

Silk: 2019 Call: 2006

Languages: Italian (fluent); French (proficient); German (proficient); Modern Hebrew (conversational)

Guglielmo acts as counsel in cases before English courts, international courts and tribunals. His cases have involved the full breadth of public international law including investment law, treaty interpretation, immunities and privileges, trade, human rights, law of armed conflict and national security, and boundary disputes.

He has an extensive practice in investment treaty arbitration. Guglielmo regularly acts as counsel, more often in a leading capacity, for both investors and states.

Guglielmo is a member of the UK Attorney General’s A Panel of Counsel in Public International Law. In this capacity, he has been instructed to appear before the International Court of Justice (ICJ), UK Supreme Court and Court of Appeal. Guglielmo was, for example, the public international law specialist in a team of five counsel selected by the UK government for the “Article 50 case” brought by Gina Miller in the aftermath of the Brexit referendum.

He is Professor of International Law at King’s College London (part-time). Guglielmo has published extensively in the areas of public international law, international arbitration, and comparative public law.

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Particularly good in the practical application of PIL in novel commercial situations.

The Legal 500 UK Bar 2018

An excellent team player with acute insight, who has a very easy working manner.

Chambers UK Bar 2019

He has a deep intellectual knowledge, is very interested in BIT arbitration and is experienced in state-on-state matters.

Chambers UK Bar 2018

Very impressive and very highly regarded.

The Legal 500 UK Bar 2017

He's excellent and very well versed in PIL.

Chambers UK Bar 2017

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