About Us

Volterra Fietta is an elite global law firm that is specialised entirely in public international law. We are the only dedicated public international law firm in the world. Our work positively impacts upon millions of people across the globe: it redraws international borders, settles conflicts and resolves billion dollar disputes. We have one of the largest dedicated international disputes resolution teams in the world. We are absolute specialists.

Our clients choose us to handle their most complex bet-the-company and bet-the-country issues. Governments, international institutions and multi-national corporations trust us to represent them around the world in the highest courts of international law.

We act for States, international organisations and private entities in contentious and non-contentious matters. Our work touches every region of the world.

For more than two decades, our partners have been recognised as leaders in their field. Our award-winning team is ranked in the top tier by all global legal directories. We help our clients succeed by participating with them in a collaborative effort.

Volterra Fietta brings together the best minds and most experienced professionals working in the field of public international law today. The practice was started by Robert Volterra over 20 years ago. Since the firm formed in 2011, it has quickly become the leading public international law practice in the world.

Recent Accolades

Acquisition International Magazine, Leading Adviser Awards 2018 – selected Giorgio Francesco Mandelli as “Leading Complex International Dispute Resolution Solicitor of the Year, UK”

Latinvex has named Volterra Fietta associate Jessica Pineda to its 2018 Latin America’s Top 50 Rising Legal Stars list. The list recognises rising stars at international law firms doing business in the region and was based on “scope and prominence of work and future potential.”  The list identifies lawyers from 38 different law firms around the world and includes only 15 other lawyers at the associate level.

Jessica has experience representing companies and sovereign States in complex international investor-State arbitrations and other public international law disputes.


Lawyer International – Global Awards – 2018 – Volterra Fietta has been awarded “Firm of the Year – Arbitration – England” in the Lawyer International Global Awards 2018.


Our new Mortimer Street offices

In May 2016, Volterra Fietta relocated its growing practice to premier office space in Fitzrovia. Click the image below for a tour of our new office.

LONDON, UK. JUNE 10, 2016: Volterra Fietta's new office re-shoot.

University of Oxford

On 17 March 2017 Robert Volterra spoke at the ‘Negotiating Brexit’ conference at St. Hugh’s College, University of Oxford.  The conference brought together leading academics, practitioners and policymakers who are involved in ‘Negotiating Brexit’.  For more information, please see the event flyer here.

Centre for Commercial Law Studies (CCLS)

On Wednesday 7 June 2017, Graham Coop spoke at a CCLS forum event on “Current Trends in International Energy Arbitration”. For more information about the event, held at Queen Mary University of London, please see the event flyer.

In the news

Egypt Oil & Gas Newspaper

Graham Coop was quoted in an article in the Egypt Oil & Gas Newspaper titled “Politics, economics, and energy security: How pipeline negotiations play a key role”. Grahams comments focused on the political connotations of pipeline negotiations, the shifting power dynamics between pipeline planning and construction and the challenges of taking all parties’ economic interests into account over a long period. The article can be viewed here.



BBC World Business Live

On Wednesday 20 June 2018, Suzanne Spears was interviewed on the intersection of business and human rights, and Microsoft employees’ response to the US Border Control policy of separating children from their parents.

Oxford University Press

Graham Coop co-authored a chapter on “ECT and States’ Right to Regulate” in “International Arbitration in the Energy Sector” edited by Maxi Scherer and recently published by Oxford University Press.  For further details on this text, click here.

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