Published on 6 November 2017 in Client Alerts

“Formidable”: Volterra Fietta repeats top-tier rankings in Legal 500 and Chambers & Partners categories: public international law and investment treaty arbitration.

Volterra Fietta has retained its top-tier rankings in both the public international law and the investment treaty arbitration categories, in the recently issued editions of the annual Legal 500 UK and Chambers & Partners UK legal directories.  Volterra Fietta and previously, Robert Volterra’s public international law practice have been ranked consistently in the top-tier by the directories for some 20 years, since they began ranking the field.

The latest Legal 500 noted that Volterra Fietta has expertise across all aspects of public international law, including “bilateral investment treaties (BITs); land and maritime territorial and boundary disputes; ECT matters; state responsibility; human rights; state succession issues; international trade and WTO law; and economic sanctions.”  It observed that VF lawyers “frequently act as counsel in investor-state arbitrations … and was recently engaged in a number of state-to-state sovereign disputes before international courts and tribunals”.  It said that, in addition to “its specialist PIL practice, Volterra Fietta also has a significant international commercial arbitration practice.”

Chambers & Partners characterised Volterra Fietta as “Formidable”.  It described VF as “a first-class firm for anything involving public international law, including investment treaty disputes … handling an impressive range of investor-related and interstate work. Particularly active advising sovereign states and investors on claims arising under BITs and commercial agreements to which a state is party.”  It said that the firm: “Provides advice on interstate matters including boundary disputes and the law of the sea, as well as advising states on treaty obligations.”

Firms also ranked by the directories in the top-tier along with Volterra Fietta were: Allen & Overy; Clifford Chance; Debevoise & Plimpton; Freshfields; and Quinn Emmanuel Urquart & Sullivan.

The directories recognised the market-leading reputations of all of the Volterra Fietta partners:

VF partner Giorgio Mandelli said: “Year on year, Volterra Fietta continues to be recognised in the global legal directories among the leading firms for clients in public international law, including in investment treaty arbitration.  It is clear what the global market considers to be the VF’s peer group in our specialist practice area.  We are delighted that government and company clients continue to see us as the go-to firm for bet-the-country/company international disputes and advisory work.”

During the past 12 months, Volterra Fietta has won 28 awards and accolades from independent law firm ranking organisations in such categories as UK Arbitration Law Firm of the Year and Public International Law Firm of the Year.

More Client Alerts

| Client Alerts

The Kingdom of Saudi Arabia approves regulatory frameworks for its Special Economic Zones

The Saudi Council’s ministerial Resolution No. 468, published in the Official Gazette on 16 January 2026, approves the governance regulations for each of the Special Economic Zones (“SEZs”), the King Abdullah Economic City SEZ, Ras Al Khair SEZ, Jazan SEZ and Cloud Computing SEZ, originally launched on 13 April 2023. 

Learn more

| Client Alerts

UN General assembly adopts resolution to improve coordination against Human Trafficking

On 18 December 2025, the United Nations General Assembly adopted a resolution aimed at improving international coordination in efforts to combat trafficking in persons, reaffirming the need for a comprehensive and cooperative global response to one of the most pervasive forms of transnational organised crime.

Learn more

| Client Alerts

India and EU sign an FTA labelled “the mother of all deals”

On 27 January 2026, India and the European Union (the “EU”) signed a free trade agreement (“FTA”), after over two decades worth of negotiations.  The FTA, called by some as the “mother of all deals”, is the largest deal ever signed by these two parties.  The FTA is expected to cover a market of over USD 24 trillion and aims to save over €4 billion per year in duties on European products.

Learn more

| Client Alerts

United States withdraws from WHO and dozens of international organisations

In January 2026, the United States formally completed its withdrawal from the World Health Organization (“WHO”) and announced its intention to withdraw from 66 total international organisations and multilateral bodies, including numerous United Nations-affiliated entities.  The decision follows a broader governmental review assessing participation in international institutions against perceived U.S. national interests.

Learn more
View all