Blay JD — a law firm focused on criminal law fundamental Rights

We work on complex criminal cases and protect fundamental rights. We have experience in economic crimes, including money laundering, fraud, and corporate offenses, as well as in organized crime.

We also handle:
Collective claims
Involving scams, failed investments, and cryptocurrency fraud.
Compensation claims
For wrongful pre-trial detention and related damages.
Drug trafficking offense
For situations involving organized groups, large quantities, or maritime transport.
Off Counsel support
For other law firms in complex or ongoing cases.

We believe in a personal approach to every case

That’s why each client works with one dedicated lawyer.
This allows us to fully understand your situation and build a strategy that fits your specific needs.
Our work is based on close attention and commitment, with a clear focus on achieving the best possible outcome in every case.
The principles that define our approach and guide every case we take on:
Loyalty
Our loyalty is to our clients. Our commitment is to their interests.
Strategy
Each case is approached with a clear plan from day one, ensuring clarity at every stage.
Adaptability
Our strategy is built around the specifics of each case.
International reach
We work across jurisdictions and navigate complex international legal frameworks with confidence.

Bar associations and

Memberships:

Madrid Bar Association
German-Spanish Jurists Association (GSJA)
European Criminal Bar Association (ECBA)
We work across jurisdictions and navigate complex international legal frameworks with confidence.
Rechtsanwaltskammer Berlin (Abogado)
(exmember)
Legal Experts Advisory Panel for Spain
We work across jurisdictions and navigate complex international legal frameworks with confidence.

Javier Ruiz Blay

Founder

Javier Ruiz Blay is a criminal lawyer working on complex cases at both national and international level, with a focus on financial and organized crime.

He holds advanced specialization in Criminal Law and international regulation and works across jurisdictions. He is fluent in Spanish and English, and speaks conversational German.

He represents the fourth generation of a family of jurists, with a background that includes judges, prosecutors, and other legal professionals. This legacy shapes a strong commitment to legal rigor and professional ethics.

Four generations working

with the Law

Javier Ruiz Blay is part of the fourth generation of a family connected to the legal field. This environment shaped his approach to the profession early on, with a focus on responsibility, accuracy, and respect for legal practice.

Over the years, his relatives have worked in different roles within the legal system and public service. Among them are judges, prosecutors, attorneys, court officials, and representatives in local government. Some held positions such as President of the Provincial Court of Valencia, President of the APi Santander Association, Supreme Court Justice, and Chief Prosecutor of Aragón, Central Investigating Judge of the Audiencia Nacional, Judge of the Criminal Division of the Audiencia Nacional.

The family history includes Mr. Francisco Blay Velasco, Mr. Enrique Blay Quintana, Mr. Jose Alejandro Quintana y Rozas, Mr. Alfonso Arroyo, Mr. Guillermo Ruiz Arroyo, Mr. Guillermo Ruiz Polanco, Mr. Ramón Polanco y Vélez, Mr. Eugenio Ruiz Zurro, and Ms. Rosario Blay Seijas.

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Participation and mentions in the media

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