Banking and commercial law - Navas & Cusi Lawyers

Our main practice areas

With more than 40 years of experience, our team advises companies and individuals across a wide range of legal matters.

Banking and Finance law

European Union law plays a central role in banking and financial services. Navas & Cusí has obtained more than 450 favourable judgments for clients in banking and financial disputes.

European and Community law

We advise on European Union law, including institutional relations, complaints to the European Commission and environmental law.

Investor protection

We help individuals and businesses pursue claims for losses arising from misconduct in investment services and financial advice.

Our experience in the European institutions

From our Brussels office, we represent companies and individuals before European institutions and courts, including the Court of Justice of the European Union and the European Court of Human Rights. Our work includes complaints to the European Commission concerning compliance with European Union law.

Juan Ignacio Navas ante Comisión Europea

International presence

Our offices in Madrid, Barcelona and Brussels, and delegations in Miami and Shanghai support clients with domestic and cross-border legal matters.

Featured

Consumer protection in Brussels

Consumer protection is a key area of our practice. Our director, Juan Ignacio Navas, has spoken in Brussels on this subject.

Forex Cartel

We advise clients on claims arising from collusion in the foreign exchange market and other anti-competitive practices.

State liability for damages

We advise on state liability for breaches of European Union law, including claims based on the principles established in the Francovich judgment.

Experience and expertise

Successful judgments

Navas & Cusí has obtained more than 450 favourable judgments in complex banking and financial disputes.

N&C in the media and publications

Our lawyers regularly contribute to the media on legal matters. The firm has also published legal books, including a treatise on banking law.

Awards

The firm and its director have received professional recognition, including recognition from Best Lawyers and a legal technology award from Capital Radio in 2020.

Team

Meet our team and learn about their areas of legal expertise.

Blog

July, 2026

16 Jul

When the goods never arrive, who is liable for the damage and the loss of profit in the international transport chain?

A shipment leaves an Asian port, crosses the ocean in a container, is transferred to […]

06 Apr

International Protection Of Banking Consumers

On January 1 of this year marks the fortieth anniversary of the entry of two […]

25 Mar

The requirement of prior administrative appeal for access to the CJEU for European civil servants

The European legislation, following the administrative practice of most EU Member States, provides for a […]

26 Feb

How to declare earnings obtained on Polymarket in Spain

If you have traded on Polymarket and made a profit, you are probably wondering whether […]