Law Firm — Geneva & Lyon

Law firm based in Geneva

Cross-border activity CH · FR

High-stakes situations. Clear answers.

Criminal Law · Technologies & Web3 · Business & M&A · Litigation.

A firm built on rigor, discretion, and a results-oriented approach.

Member of the Geneva Bar and the Lyon Bar. Mandates in Switzerland, France, and internationally.

Urgent situation — advice, criminal proceedings, legal action, data breach 022 512 76 00
Urgent criminal intervention

Criminal & economic law.
Every hour counts.

Criminal defense for the victim or the accused, white-collar crime, fraud, cybercrime, scams — expertise that combines criminal rigor with, where necessary, mastery of digital and/or economic environments.

Police custody Criminal Defense Financial fraud Crypto scam Money laundering Cybercrime Criminal procedure
Criminal law
Case studies

"Victims of a multi-million international fraud. Coordination with Swiss and foreign authorities, criminal proceedings initiated, and financial flow analysis of suspected entities."

"Summoned to the Public Prosecutor's Office for the following morning. Defense strategy established prior to this first hearing."

"Accused of assault. After several hearings, a dismissal order was issued by the Public Prosecutor's Office."

Me Matthias Traussnig Criminal Defense Lawyer — Geneva Bar
Former experience at the Public Prosecutor's Office of the Canton of Geneva
CAS Digital Finance Law — University of Geneva
Me Aurélien Rocher Business Lawyer — Lyon Bar
Senior Lecturer at Lyon II
Governance and Digital Law
Other expertise

Business, Technologies, and Litigation

Context

High-stakes situations,
results to achieve

Whether it is a criminal proceeding, a strategic acquisition, a blockchain project, or a commercial dispute — what unites our clients is the importance of the stakes and the demand for results.

Le résultat comme objectif →
Individuals in sensitive situations

Criminal charges, police custody, victim of fraud or crypto scams, inheritance or asset disputes.

Executives & entrepreneurs

Regulatory crisis, white-collar criminal proceedings, strategic commercial litigation, restructuring under pressure.

Investors & funds

M&A due diligence, shareholders' agreements, investor litigation, cross-border structuring.

Tech, Web3 & innovation players

Start-ups, blockchain projects, fundraising, FINMA compliance, tokenization structuring.

Notre approche

Four steps,
mastered execution

Analysis

Comprehensive assessment: legal, economic, and operational stakes. Identification of risks and levers for action.

Strategy

Several options exist. We build the most appropriate strategy, aligned with your objectives and clearly explained.

Execution

Precise and controlled implementation. Coordination and monitoring of actions in close collaboration with you.

Reactivity

Continuous follow-up. Adjustments if necessary. Intervention regarding new challenges until resolution.

The Firm

Me Matthias Traussnig & Me Aurélien Rocher

— two founders, one goal

Profils détaillés →

Matthias Traussnig

Avocat — Barreau de Genève, Suisse FR · EN · DE · Pénal · Web3 · Finance numérique

Specialized in criminal law, new technologies, and business law. Former experience at the Geneva Public Prosecutor’s Office. CAS in Digital Finance Law (University of Geneva). Cardano Blockchain Certified Associate.

Aurélien Rocher

Avocat, Dr. Iur. — Barreau de Lyon FR · EN · DE · Digital Law · Corporate Law

Lawyer and academic. Lecturer at the University of Lyon 2. Doctorate and expertise in cross-border, digital, and corporate law. Former experience at a Big Four firm in new technology law.

Initial contact

Informed intervention
can change the outcome of a dispute.

022 512 76 00 Geneva & Lyon · Français, English, Deutsch Schedule a consultation